diff --git a/cpp/ql/lib/change-notes/2025-09-02-vla.md b/cpp/ql/lib/change-notes/2025-09-02-vla.md new file mode 100644 index 000000000000..e59e3ef5ffe0 --- /dev/null +++ b/cpp/ql/lib/change-notes/2025-09-02-vla.md @@ -0,0 +1,4 @@ +--- +category: feature +--- +* Added predicates `getTransitiveNumberOfVlaDimensionStmts`, `getTransitiveVlaDimensionStmt`, and `getParentVlaDecl` to `VlaDeclStmt` for handling `VlaDeclStmt`s whose base type defined in terms of an other `VlaDeclStmt` via a `typedef`. diff --git a/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/InstructionTag.qll b/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/InstructionTag.qll index d864e86aa040..be3f680aa16d 100644 --- a/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/InstructionTag.qll +++ b/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/InstructionTag.qll @@ -97,7 +97,14 @@ newtype TInstructionTag = exists(Stmt s | exists(s.getImplicitDestructorCall(index))) } or CoAwaitBranchTag() or - BoolToIntConversionTag() + BoolToIntConversionTag() or + SizeofVlaBaseSizeTag() or + SizeofVlaConversionTag(int index) { + exists(VlaDeclStmt v | exists(v.getTransitiveVlaDimensionStmt(index))) + } or + SizeofVlaDimensionTag(int index) { + exists(VlaDeclStmt v | exists(v.getTransitiveVlaDimensionStmt(index))) + } class InstructionTag extends TInstructionTag { final string toString() { result = getInstructionTagId(this) } diff --git a/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedElement.qll b/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedElement.qll index e1314035437e..330362f55603 100644 --- a/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedElement.qll +++ b/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedElement.qll @@ -123,13 +123,16 @@ private predicate ignoreExprAndDescendants(Expr expr) { // or ignoreExprAndDescendants(getRealParent(expr)) // recursive case or - // va_start doesn't evaluate its argument, so we don't need to translate it. + // va_start does not evaluate its argument, so we do not need to translate it. exists(BuiltInVarArgsStart vaStartExpr | vaStartExpr.getLastNamedParameter().getFullyConverted() = expr ) or + // sizeof does not evaluate its argument, so we do not need to translate it. + exists(SizeofExprOperator sizeofExpr | sizeofExpr.getExprOperand().getFullyConverted() = expr) + or // The children of C11 _Generic expressions are just surface syntax. - exists(C11GenericExpr generic | generic.getAChild() = expr) + exists(C11GenericExpr generic | generic.getAChild().getFullyConverted() = expr) or // Do not translate implicit destructor calls for unnamed temporary variables that are // conditionally constructed (until we have a mechanism for calling these only when the diff --git a/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedExpr.qll b/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedExpr.qll index f749f8b7502c..6024a881c5fc 100644 --- a/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedExpr.qll +++ b/cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedExpr.qll @@ -187,7 +187,7 @@ Variable getEnclosingVariable(Expr e) { } /** - * The IR translation of the "core" part of an expression. This is the part of + * The IR translation of the "core" part of an expression. This is the part of * the expression that produces the result value of the expression, before any * lvalue-to-rvalue conversion on the result. Every expression has a single * `TranslatedCoreExpr`. @@ -4094,6 +4094,155 @@ class TranslatedStmtExpr extends TranslatedNonConstantExpr { TranslatedStmt getStmt() { result = getTranslatedStmt(expr.getStmt()) } } +private VlaDeclStmt getVlaDeclStmt(Expr expr, int pointerDerefCount) { + expr.(VariableAccess).getTarget() = result.getVariable() and + pointerDerefCount = 0 + or + not expr.(PointerDereferenceExpr).getOperand() instanceof AddressOfExpr and + result = getVlaDeclStmt(expr.(PointerDereferenceExpr).getOperand(), pointerDerefCount - 1) + or + // Skip sequences of the form `*&...` + result = + getVlaDeclStmt(expr.(PointerDereferenceExpr).getOperand().(AddressOfExpr).getOperand(), + pointerDerefCount) + or + result = getVlaDeclStmt(expr.(ArrayExpr).getArrayBase(), pointerDerefCount - 1) +} + +/** + * The IR translation of `SizeofExprOperator` when its result is non-constant, i.e., + * when the operand expression refers to a variable length array. + */ +class TranslatedSizeofExpr extends TranslatedNonConstantExpr { + override SizeofExprOperator expr; + VlaDeclStmt vlaDeclStmt; + int vlaDimensions; + int pointerDerefCount; + + TranslatedSizeofExpr() { + vlaDeclStmt = getVlaDeclStmt(expr.getExprOperand(), pointerDerefCount) and + vlaDimensions = vlaDeclStmt.getTransitiveNumberOfVlaDimensionStmts() and + pointerDerefCount < vlaDimensions + } + + final override Instruction getFirstInstruction(EdgeKind kind) { + result = this.getInstruction(SizeofVlaBaseSizeTag()) and + kind instanceof GotoEdge + } + + override Instruction getALastInstructionInternal() { + result = this.getInstruction(SizeofVlaDimensionTag(vlaDimensions - 1)) + } + + final override TranslatedElement getChildInternal(int id) { none() } + + final override predicate hasInstruction(Opcode opcode, InstructionTag tag, CppType resultType) { + opcode instanceof Opcode::Constant and + tag = SizeofVlaBaseSizeTag() and + resultType = this.getResultType() + or + exists(int n, Type dimType | + pointerDerefCount <= n and + n < vlaDimensions and + dimType = this.getDimensionExpr(n).getUnderlyingType() and + tag = SizeofVlaConversionTag(n) + | + ( + expr.getUnderlyingType() = dimType and + opcode instanceof Opcode::CopyValue + or + not expr.getUnderlyingType() = dimType and + opcode instanceof Opcode::Convert + ) + ) and + resultType = this.getResultType() + or + opcode instanceof Opcode::Mul and + exists(int n | pointerDerefCount <= n and n < vlaDimensions | tag = SizeofVlaDimensionTag(n)) and + resultType = this.getResultType() + } + + final override Instruction getInstructionSuccessorInternal(InstructionTag tag, EdgeKind kind) { + tag = SizeofVlaBaseSizeTag() and + result = this.getInstruction(SizeofVlaConversionTag(pointerDerefCount)) and + kind instanceof GotoEdge + or + exists(int n | pointerDerefCount <= n and n < vlaDimensions | + tag = SizeofVlaConversionTag(n) and + result = this.getInstruction(SizeofVlaDimensionTag(n)) + ) and + kind instanceof GotoEdge + or + exists(int n | pointerDerefCount <= n and n < vlaDimensions - 1 | + tag = SizeofVlaDimensionTag(n) and + result = this.getInstruction(SizeofVlaConversionTag(n + 1)) + ) and + kind instanceof GotoEdge + or + tag = SizeofVlaDimensionTag(vlaDimensions - 1) and + result = this.getParent().getChildSuccessor(this, kind) + } + + override string getInstructionConstantValue(InstructionTag tag) { + tag = SizeofVlaBaseSizeTag() and + result = this.getBaseType(vlaDeclStmt).getSize().toString() + } + + private Type getBaseType(VlaDeclStmt v) { + not exists(v.getParentVlaDecl()) and + ( + result = + this.getBaseType(v.getVariable().getUnderlyingType(), v.getNumberOfVlaDimensionStmts()) + or + result = this.getBaseType(v.getType().getUnderlyingType(), v.getNumberOfVlaDimensionStmts()) + ) + or + result = this.getBaseType(v.getParentVlaDecl()) + } + + private Type getBaseType(Type type, int n) { + n = 0 and + result = type + or + result = this.getBaseType(type.(DerivedType).getBaseType(), n - 1) + } + + override Instruction getInstructionRegisterOperand(InstructionTag tag, OperandTag operandTag) { + exists(int n | pointerDerefCount <= n and n < vlaDimensions | + tag = SizeofVlaConversionTag(n) and + ( + operandTag instanceof UnaryOperandTag and + result = getTranslatedExpr(this.getDimensionExpr(n)).getResult() + ) + ) + or + exists(int n | pointerDerefCount <= n and n < vlaDimensions | + tag = SizeofVlaDimensionTag(n) and + ( + operandTag instanceof LeftOperandTag and + ( + n - 1 >= pointerDerefCount and + result = this.getInstruction(SizeofVlaDimensionTag(n - 1)) + or + n - 1 < pointerDerefCount and + result = this.getInstruction(SizeofVlaBaseSizeTag()) + ) + or + operandTag instanceof RightOperandTag and + result = this.getInstruction(SizeofVlaConversionTag(n)) + ) + ) + } + + private Expr getDimensionExpr(int n) { + result = vlaDeclStmt.getTransitiveVlaDimensionStmt(n).getDimensionExpr().getFullyConverted() + } + + final override Instruction getResult() { + result = this.getInstruction(SizeofVlaDimensionTag(vlaDimensions - 1)) + } +} + class TranslatedErrorExpr extends TranslatedSingleInstructionExpr { override ErrorExpr expr; diff --git a/cpp/ql/lib/semmle/code/cpp/stmts/Stmt.qll b/cpp/ql/lib/semmle/code/cpp/stmts/Stmt.qll index 5305c8ca58f6..bd3a54c61594 100644 --- a/cpp/ql/lib/semmle/code/cpp/stmts/Stmt.qll +++ b/cpp/ql/lib/semmle/code/cpp/stmts/Stmt.qll @@ -2355,6 +2355,20 @@ class VlaDeclStmt extends Stmt, @stmt_vla_decl { ) } + /** + * Gets the number of VLA dimension statements in this VLA declaration + * statement and transitively of the VLA declaration used to define its + * base type. if any. + */ + int getTransitiveNumberOfVlaDimensionStmts() { + not exists(this.getParentVlaDecl()) and + result = this.getNumberOfVlaDimensionStmts() + or + result = + this.getNumberOfVlaDimensionStmts() + + this.getParentVlaDecl().getTransitiveNumberOfVlaDimensionStmts() + } + /** * Gets the `i`th VLA dimension statement in this VLA * declaration statement. @@ -2367,6 +2381,19 @@ class VlaDeclStmt extends Stmt, @stmt_vla_decl { ) } + /** + * Gets the `i`th VLA dimension statement in this VLA declaration + * statement or transitively of the VLA declaration used to define + * its base type. + */ + VlaDimensionStmt getTransitiveVlaDimensionStmt(int i) { + i < this.getNumberOfVlaDimensionStmts() and + result = this.getVlaDimensionStmt(i) + or + result = + this.getParentVlaDecl().getTransitiveVlaDimensionStmt(i - this.getNumberOfVlaDimensionStmts()) + } + /** * Gets the type that this VLA declaration statement relates to, * if any. @@ -2378,4 +2405,31 @@ class VlaDeclStmt extends Stmt, @stmt_vla_decl { * if any. */ Variable getVariable() { variable_vla(unresolveElement(result), underlyingElement(this)) } + + /** + * Get the VLA declaration used to define the base type of + * this VLA declaration, if any. + */ + VlaDeclStmt getParentVlaDecl() { + exists(Variable v, Type baseType | + v = this.getVariable() and + baseType = this.getBaseType(v.getType(), this.getNumberOfVlaDimensionStmts()) + | + result.getType() = baseType + ) + or + exists(Type t, Type baseType | + t = this.getType().(TypedefType).getBaseType() and + baseType = this.getBaseType(t, this.getNumberOfVlaDimensionStmts()) + | + result.getType() = baseType + ) + } + + private Type getBaseType(Type type, int n) { + n = 0 and + result = type + or + result = this.getBaseType(type.(DerivedType).getBaseType(), n - 1) + } } diff --git a/cpp/ql/test/library-tests/ir/ir/PrintAST.expected b/cpp/ql/test/library-tests/ir/ir/PrintAST.expected index c3085da03ab5..630a4ca5ceba 100644 --- a/cpp/ql/test/library-tests/ir/ir/PrintAST.expected +++ b/cpp/ql/test/library-tests/ir/ir/PrintAST.expected @@ -24581,6 +24581,516 @@ ir.cpp: # 2776| Value = [CStyleCast] 42 # 2776| ValueCategory = prvalue # 2777| getStmt(2): [ReturnStmt] return ... +# 2779| [TopLevelFunction] void vla_sizeof_test(int, size_t, char) +# 2779| : +# 2779| getParameter(0): [Parameter] len1 +# 2779| Type = [IntType] int +# 2779| getParameter(1): [Parameter] len2 +# 2779| Type = [CTypedefType,Size_t] size_t +# 2779| getParameter(2): [Parameter] len3 +# 2779| Type = [PlainCharType] char +# 2779| getEntryPoint(): [BlockStmt] { ... } +# 2780| getStmt(0): [DeclStmt] declaration +# 2780| getDeclarationEntry(0): [VariableDeclarationEntry] definition of tmp1 +# 2780| Type = [ArrayType] char[] +# 2780| getStmt(1): [VlaDimensionStmt] VLA dimension size +# 2780| getDimensionExpr(): [VariableAccess] len1 +# 2780| Type = [IntType] int +# 2780| ValueCategory = prvalue(load) +# 2780| getStmt(2): [VlaDeclStmt] VLA declaration +# 2781| getStmt(3): [DeclStmt] declaration +# 2781| getDeclarationEntry(0): [VariableDeclarationEntry] definition of x +# 2781| Type = [CTypedefType,Size_t] size_t +# 2781| getVariable().getInitializer(): [Initializer] initializer for x +# 2781| getExpr(): [SizeofExprOperator] sizeof() +# 2781| Type = [LongType] unsigned long +# 2781| ValueCategory = prvalue +# 2781| getExprOperand(): [VariableAccess] tmp1 +# 2781| Type = [ArrayType] char[] +# 2781| ValueCategory = lvalue +# 2781| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2781| Type = [ArrayType] char[] +# 2781| ValueCategory = lvalue +# 2782| getStmt(4): [DeclStmt] declaration +# 2782| getDeclarationEntry(0): [VariableDeclarationEntry] definition of tmp2 +# 2782| Type = [ArrayType] int[][] +# 2782| getStmt(5): [VlaDimensionStmt] VLA dimension size +# 2782| getDimensionExpr(): [VariableAccess] len1 +# 2782| Type = [IntType] int +# 2782| ValueCategory = prvalue(load) +# 2782| getStmt(6): [VlaDimensionStmt] VLA dimension size +# 2782| getDimensionExpr(): [VariableAccess] len2 +# 2782| Type = [CTypedefType,Size_t] size_t +# 2782| ValueCategory = prvalue(load) +# 2782| getStmt(7): [VlaDeclStmt] VLA declaration +# 2783| getStmt(8): [DeclStmt] declaration +# 2783| getDeclarationEntry(0): [VariableDeclarationEntry] definition of y +# 2783| Type = [CTypedefType,Size_t] size_t +# 2783| getVariable().getInitializer(): [Initializer] initializer for y +# 2783| getExpr(): [SizeofExprOperator] sizeof() +# 2783| Type = [LongType] unsigned long +# 2783| ValueCategory = prvalue +# 2783| getExprOperand(): [VariableAccess] tmp2 +# 2783| Type = [ArrayType] int[][] +# 2783| ValueCategory = lvalue +# 2783| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2783| Type = [ArrayType] int[][] +# 2783| ValueCategory = lvalue +# 2784| getStmt(9): [DeclStmt] declaration +# 2784| getDeclarationEntry(0): [VariableDeclarationEntry] definition of z +# 2784| Type = [CTypedefType,Size_t] size_t +# 2784| getVariable().getInitializer(): [Initializer] initializer for z +# 2784| getExpr(): [SizeofExprOperator] sizeof() +# 2784| Type = [LongType] unsigned long +# 2784| ValueCategory = prvalue +# 2784| getExprOperand(): [PointerDereferenceExpr] * ... +# 2784| Type = [ArrayType] int[] +# 2784| ValueCategory = lvalue +# 2784| getOperand(): [VariableAccess] tmp2 +# 2784| Type = [ArrayType] int[][] +# 2784| ValueCategory = lvalue +# 2784| getOperand().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2784| Type = [PointerType] int(*)[] +# 2784| ValueCategory = prvalue +# 2784| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2784| Type = [ArrayType] int[] +# 2784| ValueCategory = lvalue +# 2785| getStmt(10): [DeclStmt] declaration +# 2785| getDeclarationEntry(0): [VariableDeclarationEntry] definition of tmp3 +# 2785| Type = [ArrayType] int[][][] +# 2785| getStmt(11): [VlaDimensionStmt] VLA dimension size +# 2785| getDimensionExpr(): [VariableAccess] len1 +# 2785| Type = [IntType] int +# 2785| ValueCategory = prvalue(load) +# 2785| getStmt(12): [VlaDimensionStmt] VLA dimension size +# 2785| getDimensionExpr(): [VariableAccess] len2 +# 2785| Type = [CTypedefType,Size_t] size_t +# 2785| ValueCategory = prvalue(load) +# 2785| getStmt(13): [VlaDimensionStmt] VLA dimension size +# 2785| getDimensionExpr(): [VariableAccess] len3 +# 2785| Type = [PlainCharType] char +# 2785| ValueCategory = prvalue(load) +# 2785| getStmt(14): [VlaDeclStmt] VLA declaration +# 2786| getStmt(15): [DeclStmt] declaration +# 2786| getDeclarationEntry(0): [VariableDeclarationEntry] definition of w +# 2786| Type = [CTypedefType,Size_t] size_t +# 2786| getVariable().getInitializer(): [Initializer] initializer for w +# 2786| getExpr(): [SizeofExprOperator] sizeof() +# 2786| Type = [LongType] unsigned long +# 2786| ValueCategory = prvalue +# 2786| getExprOperand(): [VariableAccess] tmp3 +# 2786| Type = [ArrayType] int[][][] +# 2786| ValueCategory = lvalue +# 2786| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2786| Type = [ArrayType] int[][][] +# 2786| ValueCategory = lvalue +# 2787| getStmt(16): [DeclStmt] declaration +# 2787| getDeclarationEntry(0): [VariableDeclarationEntry] definition of v +# 2787| Type = [CTypedefType,Size_t] size_t +# 2787| getVariable().getInitializer(): [Initializer] initializer for v +# 2787| getExpr(): [SizeofExprOperator] sizeof() +# 2787| Type = [LongType] unsigned long +# 2787| ValueCategory = prvalue +# 2787| getExprOperand(): [PointerDereferenceExpr] * ... +# 2787| Type = [ArrayType] int[][] +# 2787| ValueCategory = lvalue +# 2787| getOperand(): [VariableAccess] tmp3 +# 2787| Type = [ArrayType] int[][][] +# 2787| ValueCategory = lvalue +# 2787| getOperand().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2787| Type = [PointerType] int(*)[][] +# 2787| ValueCategory = prvalue +# 2787| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2787| Type = [ArrayType] int[][] +# 2787| ValueCategory = lvalue +# 2788| getStmt(17): [DeclStmt] declaration +# 2788| getDeclarationEntry(0): [VariableDeclarationEntry] definition of u +# 2788| Type = [CTypedefType,Size_t] size_t +# 2788| getVariable().getInitializer(): [Initializer] initializer for u +# 2788| getExpr(): [SizeofExprOperator] sizeof() +# 2788| Type = [LongType] unsigned long +# 2788| ValueCategory = prvalue +# 2788| getExprOperand(): [PointerDereferenceExpr] * ... +# 2788| Type = [ArrayType] int[] +# 2788| ValueCategory = lvalue +# 2788| getOperand(): [PointerDereferenceExpr] * ... +# 2788| Type = [ArrayType] int[][] +# 2788| ValueCategory = lvalue +# 2788| getOperand(): [VariableAccess] tmp3 +# 2788| Type = [ArrayType] int[][][] +# 2788| ValueCategory = lvalue +# 2788| getOperand().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2788| Type = [PointerType] int(*)[][] +# 2788| ValueCategory = prvalue +# 2788| getOperand().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2788| Type = [PointerType] int(*)[] +# 2788| ValueCategory = prvalue +# 2788| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2788| Type = [ArrayType] int[] +# 2788| ValueCategory = lvalue +# 2789| getStmt(18): [DeclStmt] declaration +# 2789| getDeclarationEntry(0): [VariableDeclarationEntry] definition of t +# 2789| Type = [CTypedefType,Size_t] size_t +# 2789| getVariable().getInitializer(): [Initializer] initializer for t +# 2789| getExpr(): [SizeofExprOperator] sizeof() +# 2789| Type = [LongType] unsigned long +# 2789| Value = [SizeofExprOperator] 4 +# 2789| ValueCategory = prvalue +# 2789| getExprOperand(): [PointerDereferenceExpr] * ... +# 2789| Type = [IntType] int +# 2789| ValueCategory = lvalue +# 2789| getOperand(): [PointerDereferenceExpr] * ... +# 2789| Type = [ArrayType] int[] +# 2789| ValueCategory = lvalue +# 2789| getOperand(): [PointerDereferenceExpr] * ... +# 2789| Type = [ArrayType] int[][] +# 2789| ValueCategory = lvalue +# 2789| getOperand(): [VariableAccess] tmp3 +# 2789| Type = [ArrayType] int[][][] +# 2789| ValueCategory = lvalue +# 2789| getOperand().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2789| Type = [PointerType] int(*)[][] +# 2789| ValueCategory = prvalue +# 2789| getOperand().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2789| Type = [PointerType] int(*)[] +# 2789| ValueCategory = prvalue +# 2789| getOperand().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2789| Type = [IntPointerType] int * +# 2789| ValueCategory = prvalue +# 2789| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2789| Type = [IntType] int +# 2789| ValueCategory = lvalue +# 2790| getStmt(19): [ReturnStmt] return ... +# 2792| [TopLevelFunction] void vla_sizeof_test2(int, size_t, char) +# 2792| : +# 2792| getParameter(0): [Parameter] len1 +# 2792| Type = [IntType] int +# 2792| getParameter(1): [Parameter] len2 +# 2792| Type = [CTypedefType,Size_t] size_t +# 2792| getParameter(2): [Parameter] len3 +# 2792| Type = [PlainCharType] char +# 2792| getEntryPoint(): [BlockStmt] { ... } +# 2793| getStmt(0): [DeclStmt] declaration +# 2793| getDeclarationEntry(0): [VariableDeclarationEntry] definition of tmp1 +# 2793| Type = [ArrayType] int[][] +# 2793| getStmt(1): [VlaDimensionStmt] VLA dimension size +# 2793| getDimensionExpr(): [VariableAccess] len1 +# 2793| Type = [IntType] int +# 2793| ValueCategory = prvalue(load) +# 2793| getStmt(2): [VlaDimensionStmt] VLA dimension size +# 2793| getDimensionExpr(): [VariableAccess] len2 +# 2793| Type = [CTypedefType,Size_t] size_t +# 2793| ValueCategory = prvalue(load) +# 2793| getStmt(3): [VlaDeclStmt] VLA declaration +# 2794| getStmt(4): [DeclStmt] declaration +# 2794| getDeclarationEntry(0): [VariableDeclarationEntry] definition of z +# 2794| Type = [CTypedefType,Size_t] size_t +# 2794| getVariable().getInitializer(): [Initializer] initializer for z +# 2794| getExpr(): [SizeofExprOperator] sizeof() +# 2794| Type = [LongType] unsigned long +# 2794| ValueCategory = prvalue +# 2794| getExprOperand(): [ArrayExpr] access to array +# 2794| Type = [ArrayType] int[] +# 2794| ValueCategory = lvalue +# 2794| getArrayBase(): [VariableAccess] tmp1 +# 2794| Type = [ArrayType] int[][] +# 2794| ValueCategory = lvalue +# 2794| getArrayOffset(): [Literal] 1 +# 2794| Type = [IntType] int +# 2794| Value = [Literal] 1 +# 2794| ValueCategory = prvalue +# 2794| getArrayBase().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2794| Type = [PointerType] int(*)[] +# 2794| ValueCategory = prvalue +# 2794| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2794| Type = [ArrayType] int[] +# 2794| ValueCategory = lvalue +# 2795| getStmt(5): [DeclStmt] declaration +# 2795| getDeclarationEntry(0): [VariableDeclarationEntry] definition of tmp2 +# 2795| Type = [ArrayType] int[][][] +# 2795| getStmt(6): [VlaDimensionStmt] VLA dimension size +# 2795| getDimensionExpr(): [VariableAccess] len1 +# 2795| Type = [IntType] int +# 2795| ValueCategory = prvalue(load) +# 2795| getStmt(7): [VlaDimensionStmt] VLA dimension size +# 2795| getDimensionExpr(): [VariableAccess] len2 +# 2795| Type = [CTypedefType,Size_t] size_t +# 2795| ValueCategory = prvalue(load) +# 2795| getStmt(8): [VlaDimensionStmt] VLA dimension size +# 2795| getDimensionExpr(): [VariableAccess] len3 +# 2795| Type = [PlainCharType] char +# 2795| ValueCategory = prvalue(load) +# 2795| getStmt(9): [VlaDeclStmt] VLA declaration +# 2796| getStmt(10): [DeclStmt] declaration +# 2796| getDeclarationEntry(0): [VariableDeclarationEntry] definition of v +# 2796| Type = [CTypedefType,Size_t] size_t +# 2796| getVariable().getInitializer(): [Initializer] initializer for v +# 2796| getExpr(): [SizeofExprOperator] sizeof() +# 2796| Type = [LongType] unsigned long +# 2796| ValueCategory = prvalue +# 2796| getExprOperand(): [ArrayExpr] access to array +# 2796| Type = [ArrayType] int[][] +# 2796| ValueCategory = lvalue +# 2796| getArrayBase(): [VariableAccess] tmp2 +# 2796| Type = [ArrayType] int[][][] +# 2796| ValueCategory = lvalue +# 2796| getArrayOffset(): [Literal] 1 +# 2796| Type = [IntType] int +# 2796| Value = [Literal] 1 +# 2796| ValueCategory = prvalue +# 2796| getArrayBase().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2796| Type = [PointerType] int(*)[][] +# 2796| ValueCategory = prvalue +# 2796| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2796| Type = [ArrayType] int[][] +# 2796| ValueCategory = lvalue +# 2797| getStmt(11): [DeclStmt] declaration +# 2797| getDeclarationEntry(0): [VariableDeclarationEntry] definition of u +# 2797| Type = [CTypedefType,Size_t] size_t +# 2797| getVariable().getInitializer(): [Initializer] initializer for u +# 2797| getExpr(): [SizeofExprOperator] sizeof() +# 2797| Type = [LongType] unsigned long +# 2797| ValueCategory = prvalue +# 2797| getExprOperand(): [ArrayExpr] access to array +# 2797| Type = [ArrayType] int[] +# 2797| ValueCategory = lvalue +# 2797| getArrayBase(): [ArrayExpr] access to array +# 2797| Type = [ArrayType] int[][] +# 2797| ValueCategory = lvalue +# 2797| getArrayBase(): [VariableAccess] tmp2 +# 2797| Type = [ArrayType] int[][][] +# 2797| ValueCategory = lvalue +# 2797| getArrayOffset(): [Literal] 1 +# 2797| Type = [IntType] int +# 2797| Value = [Literal] 1 +# 2797| ValueCategory = prvalue +# 2797| getArrayBase().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2797| Type = [PointerType] int(*)[][] +# 2797| ValueCategory = prvalue +# 2797| getArrayOffset(): [Literal] 2 +# 2797| Type = [IntType] int +# 2797| Value = [Literal] 2 +# 2797| ValueCategory = prvalue +# 2797| getArrayBase().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2797| Type = [PointerType] int(*)[] +# 2797| ValueCategory = prvalue +# 2797| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2797| Type = [ArrayType] int[] +# 2797| ValueCategory = lvalue +# 2798| getStmt(12): [DeclStmt] declaration +# 2798| getDeclarationEntry(0): [VariableDeclarationEntry] definition of t +# 2798| Type = [CTypedefType,Size_t] size_t +# 2798| getVariable().getInitializer(): [Initializer] initializer for t +# 2798| getExpr(): [SizeofExprOperator] sizeof() +# 2798| Type = [LongType] unsigned long +# 2798| Value = [SizeofExprOperator] 4 +# 2798| ValueCategory = prvalue +# 2798| getExprOperand(): [ArrayExpr] access to array +# 2798| Type = [IntType] int +# 2798| ValueCategory = lvalue +# 2798| getArrayBase(): [ArrayExpr] access to array +# 2798| Type = [ArrayType] int[] +# 2798| ValueCategory = lvalue +# 2798| getArrayBase(): [ArrayExpr] access to array +# 2798| Type = [ArrayType] int[][] +# 2798| ValueCategory = lvalue +# 2798| getArrayBase(): [VariableAccess] tmp2 +# 2798| Type = [ArrayType] int[][][] +# 2798| ValueCategory = lvalue +# 2798| getArrayOffset(): [Literal] 1 +# 2798| Type = [IntType] int +# 2798| Value = [Literal] 1 +# 2798| ValueCategory = prvalue +# 2798| getArrayBase().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2798| Type = [PointerType] int(*)[][] +# 2798| ValueCategory = prvalue +# 2798| getArrayOffset(): [Literal] 2 +# 2798| Type = [IntType] int +# 2798| Value = [Literal] 2 +# 2798| ValueCategory = prvalue +# 2798| getArrayBase().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2798| Type = [PointerType] int(*)[] +# 2798| ValueCategory = prvalue +# 2798| getArrayOffset(): [Literal] 3 +# 2798| Type = [IntType] int +# 2798| Value = [Literal] 3 +# 2798| ValueCategory = prvalue +# 2798| getArrayBase().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2798| Type = [IntPointerType] int * +# 2798| ValueCategory = prvalue +# 2798| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2798| Type = [IntType] int +# 2798| ValueCategory = lvalue +# 2799| getStmt(13): [ReturnStmt] return ... +# 2801| [TopLevelFunction] size_t vla_sizeof_test3(int, size_t, char, bool) +# 2801| : +# 2801| getParameter(0): [Parameter] len1 +# 2801| Type = [IntType] int +# 2801| getParameter(1): [Parameter] len2 +# 2801| Type = [CTypedefType,Size_t] size_t +# 2801| getParameter(2): [Parameter] len3 +# 2801| Type = [PlainCharType] char +# 2801| getParameter(3): [Parameter] b +# 2801| Type = [BoolType] bool +# 2801| getEntryPoint(): [BlockStmt] { ... } +# 2802| getStmt(0): [DeclStmt] declaration +# 2802| getDeclarationEntry(0): [TypeDeclarationEntry] declaration of arr +# 2802| Type = [CTypedefType,LocalTypedefType] arr +# 2802| getStmt(1): [VlaDimensionStmt] VLA dimension size +# 2802| getDimensionExpr(): [VariableAccess] len1 +# 2802| Type = [IntType] int +# 2802| ValueCategory = prvalue(load) +# 2802| getStmt(2): [VlaDimensionStmt] VLA dimension size +# 2802| getDimensionExpr(): [VariableAccess] len2 +# 2802| Type = [CTypedefType,Size_t] size_t +# 2802| ValueCategory = prvalue(load) +# 2802| getStmt(3): [VlaDeclStmt] VLA declaration +# 2803| getStmt(4): [DeclStmt] declaration +# 2803| getDeclarationEntry(0): [TypeDeclarationEntry] declaration of arr2 +# 2803| Type = [CTypedefType,LocalTypedefType] arr2 +# 2803| getStmt(5): [VlaDeclStmt] VLA declaration +# 2804| getStmt(6): [DeclStmt] declaration +# 2804| getDeclarationEntry(0): [TypeDeclarationEntry] declaration of arr3 +# 2804| Type = [CTypedefType,LocalTypedefType] arr3 +# 2804| getStmt(7): [VlaDimensionStmt] VLA dimension size +# 2804| getDimensionExpr(): [VariableAccess] len3 +# 2804| Type = [PlainCharType] char +# 2804| ValueCategory = prvalue(load) +# 2804| getStmt(8): [VlaDeclStmt] VLA declaration +# 2806| getStmt(9): [IfStmt] if (...) ... +# 2806| getCondition(): [VariableAccess] b +# 2806| Type = [BoolType] bool +# 2806| ValueCategory = prvalue(load) +# 2806| getThen(): [BlockStmt] { ... } +# 2807| getStmt(0): [DeclStmt] declaration +# 2807| getDeclarationEntry(0): [VariableDeclarationEntry] definition of tmp +# 2807| Type = [CTypedefType,LocalTypedefType] arr3 +# 2807| getStmt(1): [VlaDeclStmt] VLA declaration +# 2808| getStmt(2): [ReturnStmt] return ... +# 2808| getExpr(): [SizeofExprOperator] sizeof() +# 2808| Type = [LongType] unsigned long +# 2808| ValueCategory = prvalue +# 2808| getExprOperand(): [ArrayExpr] access to array +# 2808| Type = [CTypedefType,LocalTypedefType] arr2 +# 2808| ValueCategory = lvalue +# 2808| getArrayBase(): [VariableAccess] tmp +# 2808| Type = [CTypedefType,LocalTypedefType] arr3 +# 2808| ValueCategory = lvalue +# 2808| getArrayOffset(): [Literal] 1 +# 2808| Type = [IntType] int +# 2808| Value = [Literal] 1 +# 2808| ValueCategory = prvalue +# 2808| getArrayBase().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2808| Type = [PointerType] arr2 * +# 2808| ValueCategory = prvalue +# 2808| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2808| Type = [CTypedefType,LocalTypedefType] arr2 +# 2808| ValueCategory = lvalue +# 2811| getStmt(10): [ReturnStmt] return ... +# 2811| getExpr(): [Literal] 0 +# 2811| Type = [IntType] int +# 2811| Value = [Literal] 0 +# 2811| ValueCategory = prvalue +# 2811| getExpr().getFullyConverted(): [CStyleCast] (size_t)... +# 2811| Conversion = [IntegralConversion] integral conversion +# 2811| Type = [CTypedefType,Size_t] size_t +# 2811| Value = [CStyleCast] 0 +# 2811| ValueCategory = prvalue +# 2814| [TopLevelFunction] void vla_sizeof_test4(int, size_t) +# 2814| : +# 2814| getParameter(0): [Parameter] len1 +# 2814| Type = [IntType] int +# 2814| getParameter(1): [Parameter] len2 +# 2814| Type = [CTypedefType,Size_t] size_t +# 2814| getEntryPoint(): [BlockStmt] { ... } +# 2815| getStmt(0): [DeclStmt] declaration +# 2815| getDeclarationEntry(0): [VariableDeclarationEntry] definition of tmp1 +# 2815| Type = [ArrayType] int[][] +# 2815| getStmt(1): [VlaDimensionStmt] VLA dimension size +# 2815| getDimensionExpr(): [VariableAccess] len1 +# 2815| Type = [IntType] int +# 2815| ValueCategory = prvalue(load) +# 2815| getStmt(2): [VlaDimensionStmt] VLA dimension size +# 2815| getDimensionExpr(): [VariableAccess] len2 +# 2815| Type = [CTypedefType,Size_t] size_t +# 2815| ValueCategory = prvalue(load) +# 2815| getStmt(3): [VlaDeclStmt] VLA declaration +# 2816| getStmt(4): [DeclStmt] declaration +# 2816| getDeclarationEntry(0): [VariableDeclarationEntry] definition of z +# 2816| Type = [CTypedefType,Size_t] size_t +# 2816| getVariable().getInitializer(): [Initializer] initializer for z +# 2816| getExpr(): [SizeofExprOperator] sizeof() +# 2816| Type = [LongType] unsigned long +# 2816| ValueCategory = prvalue +# 2816| getExprOperand(): [ArrayExpr] access to array +# 2816| Type = [ArrayType] int[] +# 2816| ValueCategory = lvalue +# 2816| getArrayBase(): [VariableAccess] tmp1 +# 2816| Type = [ArrayType] int[][] +# 2816| ValueCategory = lvalue +# 2816| getArrayOffset(): [Literal] 1 +# 2816| Type = [IntType] int +# 2816| Value = [Literal] 1 +# 2816| ValueCategory = prvalue +# 2816| getArrayBase().getFullyConverted(): [ArrayToPointerConversion] array to pointer conversion +# 2816| Type = [PointerType] int(*)[] +# 2816| ValueCategory = prvalue +# 2816| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2816| Type = [ArrayType] int[] +# 2816| ValueCategory = lvalue +# 2817| getStmt(5): [ReturnStmt] return ... +# 2819| [TopLevelFunction] void vla_sizeof_test5(int, size_t) +# 2819| : +# 2819| getParameter(0): [Parameter] len1 +# 2819| Type = [IntType] int +# 2819| getParameter(1): [Parameter] len2 +# 2819| Type = [CTypedefType,Size_t] size_t +# 2819| getEntryPoint(): [BlockStmt] { ... } +# 2820| getStmt(0): [DeclStmt] declaration +# 2820| getDeclarationEntry(0): [VariableDeclarationEntry] definition of tmp1 +# 2820| Type = [ArrayType] int[][] +# 2820| getStmt(1): [VlaDimensionStmt] VLA dimension size +# 2820| getDimensionExpr(): [VariableAccess] len1 +# 2820| Type = [IntType] int +# 2820| ValueCategory = prvalue(load) +# 2820| getStmt(2): [VlaDimensionStmt] VLA dimension size +# 2820| getDimensionExpr(): [VariableAccess] len2 +# 2820| Type = [CTypedefType,Size_t] size_t +# 2820| ValueCategory = prvalue(load) +# 2820| getStmt(3): [VlaDeclStmt] VLA declaration +# 2821| getStmt(4): [DeclStmt] declaration +# 2821| getDeclarationEntry(0): [VariableDeclarationEntry] definition of z +# 2821| Type = [CTypedefType,Size_t] size_t +# 2821| getVariable().getInitializer(): [Initializer] initializer for z +# 2821| getExpr(): [SizeofExprOperator] sizeof() +# 2821| Type = [LongType] unsigned long +# 2821| ValueCategory = prvalue +# 2821| getExprOperand(): [ArrayExpr] access to array +# 2821| Type = [ArrayType] int[] +# 2821| ValueCategory = lvalue +# 2821| getArrayBase(): [PointerDereferenceExpr] * ... +# 2821| Type = [ArrayType] int[][] +# 2821| ValueCategory = lvalue +# 2821| getOperand(): [AddressOfExpr] & ... +# 2821| Type = [PointerType] int(*)[][] +# 2821| ValueCategory = prvalue +# 2821| getOperand(): [VariableAccess] tmp1 +# 2821| Type = [ArrayType] int[][] +# 2821| ValueCategory = lvalue +# 2821| getArrayOffset(): [Literal] 1 +# 2821| Type = [IntType] int +# 2821| Value = [Literal] 1 +# 2821| ValueCategory = prvalue +# 2821| getArrayBase().getFullyConverted(): [ParenthesisExpr] (...) +# 2821| Type = [PointerType] int(*)[] +# 2821| ValueCategory = prvalue +# 2821| getExpr(): [ArrayToPointerConversion] array to pointer conversion +# 2821| Type = [PointerType] int(*)[] +# 2821| ValueCategory = prvalue +# 2821| getExprOperand().getFullyConverted(): [ParenthesisExpr] (...) +# 2821| Type = [ArrayType] int[] +# 2821| ValueCategory = lvalue +# 2822| getStmt(5): [ReturnStmt] return ... ir23.cpp: # 1| [TopLevelFunction] bool consteval_1() # 1| : diff --git a/cpp/ql/test/library-tests/ir/ir/aliased_ir.expected b/cpp/ql/test/library-tests/ir/ir/aliased_ir.expected index d8babdb54e20..566cf07423b8 100644 --- a/cpp/ql/test/library-tests/ir/ir/aliased_ir.expected +++ b/cpp/ql/test/library-tests/ir/ir/aliased_ir.expected @@ -20430,6 +20430,247 @@ ir.cpp: # 2774| v2774_6(void) = AliasedUse : ~m2776_6 # 2774| v2774_7(void) = ExitFunction : +# 2779| void vla_sizeof_test(int, size_t, char) +# 2779| Block 0 +# 2779| v2779_1(void) = EnterFunction : +# 2779| m2779_2(unknown) = AliasedDefinition : +# 2779| m2779_3(unknown) = InitializeNonLocal : +# 2779| m2779_4(unknown) = Chi : total:m2779_2, partial:m2779_3 +# 2779| r2779_5(glval) = VariableAddress[len1] : +# 2779| m2779_6(int) = InitializeParameter[len1] : &:r2779_5 +# 2779| r2779_7(glval) = VariableAddress[len2] : +# 2779| m2779_8(unsigned long) = InitializeParameter[len2] : &:r2779_7 +# 2779| r2779_9(glval) = VariableAddress[len3] : +# 2779| m2779_10(char) = InitializeParameter[len3] : &:r2779_9 +# 2780| r2780_1(glval) = VariableAddress[tmp1] : +# 2780| m2780_2(char[]) = Uninitialized[tmp1] : &:r2780_1 +# 2780| r2780_3(glval) = VariableAddress[len1] : +# 2780| r2780_4(int) = Load[len1] : &:r2780_3, m2779_6 +# 2780| v2780_5(void) = NoOp : +# 2781| r2781_1(glval) = VariableAddress[x] : +# 2781| r2781_2(unsigned long) = Constant[1] : +# 2781| r2781_3(unsigned long) = Convert : r2780_4 +# 2781| r2781_4(unsigned long) = Mul : r2781_2, r2781_3 +# 2781| m2781_5(unsigned long) = Store[x] : &:r2781_1, r2781_4 +# 2782| r2782_1(glval) = VariableAddress[tmp2] : +# 2782| m2782_2(int[][]) = Uninitialized[tmp2] : &:r2782_1 +# 2782| r2782_3(glval) = VariableAddress[len1] : +# 2782| r2782_4(int) = Load[len1] : &:r2782_3, m2779_6 +# 2782| r2782_5(glval) = VariableAddress[len2] : +# 2782| r2782_6(unsigned long) = Load[len2] : &:r2782_5, m2779_8 +# 2782| v2782_7(void) = NoOp : +# 2783| r2783_1(glval) = VariableAddress[y] : +# 2783| r2783_2(unsigned long) = Constant[4] : +# 2783| r2783_3(unsigned long) = Convert : r2782_4 +# 2783| r2783_4(unsigned long) = Mul : r2783_2, r2783_3 +# 2783| r2783_5(unsigned long) = CopyValue : r2782_6 +# 2783| r2783_6(unsigned long) = Mul : r2783_4, r2783_5 +# 2783| m2783_7(unsigned long) = Store[y] : &:r2783_1, r2783_6 +# 2784| r2784_1(glval) = VariableAddress[z] : +# 2784| r2784_2(unsigned long) = Constant[4] : +# 2784| r2784_3(unsigned long) = CopyValue : r2782_6 +# 2784| r2784_4(unsigned long) = Mul : r2784_2, r2784_3 +# 2784| m2784_5(unsigned long) = Store[z] : &:r2784_1, r2784_4 +# 2785| r2785_1(glval) = VariableAddress[tmp3] : +# 2785| m2785_2(int[][][]) = Uninitialized[tmp3] : &:r2785_1 +# 2785| r2785_3(glval) = VariableAddress[len1] : +# 2785| r2785_4(int) = Load[len1] : &:r2785_3, m2779_6 +# 2785| r2785_5(glval) = VariableAddress[len2] : +# 2785| r2785_6(unsigned long) = Load[len2] : &:r2785_5, m2779_8 +# 2785| r2785_7(glval) = VariableAddress[len3] : +# 2785| r2785_8(char) = Load[len3] : &:r2785_7, m2779_10 +# 2785| v2785_9(void) = NoOp : +# 2786| r2786_1(glval) = VariableAddress[w] : +# 2786| r2786_2(unsigned long) = Constant[4] : +# 2786| r2786_3(unsigned long) = Convert : r2785_4 +# 2786| r2786_4(unsigned long) = Mul : r2786_2, r2786_3 +# 2786| r2786_5(unsigned long) = CopyValue : r2785_6 +# 2786| r2786_6(unsigned long) = Mul : r2786_4, r2786_5 +# 2786| r2786_7(unsigned long) = Convert : r2785_8 +# 2786| r2786_8(unsigned long) = Mul : r2786_6, r2786_7 +# 2786| m2786_9(unsigned long) = Store[w] : &:r2786_1, r2786_8 +# 2787| r2787_1(glval) = VariableAddress[v] : +# 2787| r2787_2(unsigned long) = Constant[4] : +# 2787| r2787_3(unsigned long) = CopyValue : r2785_6 +# 2787| r2787_4(unsigned long) = Mul : r2787_2, r2787_3 +# 2787| r2787_5(unsigned long) = Convert : r2785_8 +# 2787| r2787_6(unsigned long) = Mul : r2787_4, r2787_5 +# 2787| m2787_7(unsigned long) = Store[v] : &:r2787_1, r2787_6 +# 2788| r2788_1(glval) = VariableAddress[u] : +# 2788| r2788_2(unsigned long) = Constant[4] : +# 2788| r2788_3(unsigned long) = Convert : r2785_8 +# 2788| r2788_4(unsigned long) = Mul : r2788_2, r2788_3 +# 2788| m2788_5(unsigned long) = Store[u] : &:r2788_1, r2788_4 +# 2789| r2789_1(glval) = VariableAddress[t] : +# 2789| r2789_2(unsigned long) = Constant[4] : +# 2789| m2789_3(unsigned long) = Store[t] : &:r2789_1, r2789_2 +# 2790| v2790_1(void) = NoOp : +# 2779| v2779_11(void) = ReturnVoid : +# 2779| v2779_12(void) = AliasedUse : m2779_3 +# 2779| v2779_13(void) = ExitFunction : + +# 2792| void vla_sizeof_test2(int, size_t, char) +# 2792| Block 0 +# 2792| v2792_1(void) = EnterFunction : +# 2792| m2792_2(unknown) = AliasedDefinition : +# 2792| m2792_3(unknown) = InitializeNonLocal : +# 2792| m2792_4(unknown) = Chi : total:m2792_2, partial:m2792_3 +# 2792| r2792_5(glval) = VariableAddress[len1] : +# 2792| m2792_6(int) = InitializeParameter[len1] : &:r2792_5 +# 2792| r2792_7(glval) = VariableAddress[len2] : +# 2792| m2792_8(unsigned long) = InitializeParameter[len2] : &:r2792_7 +# 2792| r2792_9(glval) = VariableAddress[len3] : +# 2792| m2792_10(char) = InitializeParameter[len3] : &:r2792_9 +# 2793| r2793_1(glval) = VariableAddress[tmp1] : +# 2793| m2793_2(int[][]) = Uninitialized[tmp1] : &:r2793_1 +# 2793| r2793_3(glval) = VariableAddress[len1] : +# 2793| r2793_4(int) = Load[len1] : &:r2793_3, m2792_6 +# 2793| r2793_5(glval) = VariableAddress[len2] : +# 2793| r2793_6(unsigned long) = Load[len2] : &:r2793_5, m2792_8 +# 2793| v2793_7(void) = NoOp : +# 2794| r2794_1(glval) = VariableAddress[z] : +# 2794| r2794_2(unsigned long) = Constant[4] : +# 2794| r2794_3(unsigned long) = CopyValue : r2793_6 +# 2794| r2794_4(unsigned long) = Mul : r2794_2, r2794_3 +# 2794| m2794_5(unsigned long) = Store[z] : &:r2794_1, r2794_4 +# 2795| r2795_1(glval) = VariableAddress[tmp2] : +# 2795| m2795_2(int[][][]) = Uninitialized[tmp2] : &:r2795_1 +# 2795| r2795_3(glval) = VariableAddress[len1] : +# 2795| r2795_4(int) = Load[len1] : &:r2795_3, m2792_6 +# 2795| r2795_5(glval) = VariableAddress[len2] : +# 2795| r2795_6(unsigned long) = Load[len2] : &:r2795_5, m2792_8 +# 2795| r2795_7(glval) = VariableAddress[len3] : +# 2795| r2795_8(char) = Load[len3] : &:r2795_7, m2792_10 +# 2795| v2795_9(void) = NoOp : +# 2796| r2796_1(glval) = VariableAddress[v] : +# 2796| r2796_2(unsigned long) = Constant[4] : +# 2796| r2796_3(unsigned long) = CopyValue : r2795_6 +# 2796| r2796_4(unsigned long) = Mul : r2796_2, r2796_3 +# 2796| r2796_5(unsigned long) = Convert : r2795_8 +# 2796| r2796_6(unsigned long) = Mul : r2796_4, r2796_5 +# 2796| m2796_7(unsigned long) = Store[v] : &:r2796_1, r2796_6 +# 2797| r2797_1(glval) = VariableAddress[u] : +# 2797| r2797_2(unsigned long) = Constant[4] : +# 2797| r2797_3(unsigned long) = Convert : r2795_8 +# 2797| r2797_4(unsigned long) = Mul : r2797_2, r2797_3 +# 2797| m2797_5(unsigned long) = Store[u] : &:r2797_1, r2797_4 +# 2798| r2798_1(glval) = VariableAddress[t] : +# 2798| r2798_2(unsigned long) = Constant[4] : +# 2798| m2798_3(unsigned long) = Store[t] : &:r2798_1, r2798_2 +# 2799| v2799_1(void) = NoOp : +# 2792| v2792_11(void) = ReturnVoid : +# 2792| v2792_12(void) = AliasedUse : m2792_3 +# 2792| v2792_13(void) = ExitFunction : + +# 2801| size_t vla_sizeof_test3(int, size_t, char, bool) +# 2801| Block 0 +# 2801| v2801_1(void) = EnterFunction : +# 2801| m2801_2(unknown) = AliasedDefinition : +# 2801| m2801_3(unknown) = InitializeNonLocal : +# 2801| m2801_4(unknown) = Chi : total:m2801_2, partial:m2801_3 +# 2801| r2801_5(glval) = VariableAddress[len1] : +# 2801| m2801_6(int) = InitializeParameter[len1] : &:r2801_5 +# 2801| r2801_7(glval) = VariableAddress[len2] : +# 2801| m2801_8(unsigned long) = InitializeParameter[len2] : &:r2801_7 +# 2801| r2801_9(glval) = VariableAddress[len3] : +# 2801| m2801_10(char) = InitializeParameter[len3] : &:r2801_9 +# 2801| r2801_11(glval) = VariableAddress[b] : +# 2801| m2801_12(bool) = InitializeParameter[b] : &:r2801_11 +# 2802| r2802_1(glval) = VariableAddress[len1] : +# 2802| r2802_2(int) = Load[len1] : &:r2802_1, m2801_6 +# 2802| r2802_3(glval) = VariableAddress[len2] : +# 2802| r2802_4(unsigned long) = Load[len2] : &:r2802_3, m2801_8 +# 2802| v2802_5(void) = NoOp : +# 2803| v2803_1(void) = NoOp : +# 2804| r2804_1(glval) = VariableAddress[len3] : +# 2804| r2804_2(char) = Load[len3] : &:r2804_1, m2801_10 +# 2804| v2804_3(void) = NoOp : +# 2806| r2806_1(glval) = VariableAddress[b] : +# 2806| r2806_2(bool) = Load[b] : &:r2806_1, m2801_12 +# 2806| v2806_3(void) = ConditionalBranch : r2806_2 +#-----| False -> Block 3 +#-----| True -> Block 2 + +# 2801| Block 1 +# 2801| m2801_13(unsigned long) = Phi : from 2:m2808_7, from 3:m2811_3 +# 2801| r2801_14(glval) = VariableAddress[#return] : +# 2801| v2801_15(void) = ReturnValue : &:r2801_14, m2801_13 +# 2801| v2801_16(void) = AliasedUse : m2801_3 +# 2801| v2801_17(void) = ExitFunction : + +# 2807| Block 2 +# 2807| r2807_1(glval) = VariableAddress[tmp] : +# 2807| m2807_2(long[][][]) = Uninitialized[tmp] : &:r2807_1 +# 2807| v2807_3(void) = NoOp : +# 2808| r2808_1(glval) = VariableAddress[#return] : +# 2808| r2808_2(unsigned long) = Constant[8] : +# 2808| r2808_3(unsigned long) = Convert : r2802_2 +# 2808| r2808_4(unsigned long) = Mul : r2808_2, r2808_3 +# 2808| r2808_5(unsigned long) = CopyValue : r2802_4 +# 2808| r2808_6(unsigned long) = Mul : r2808_4, r2808_5 +# 2808| m2808_7(unsigned long) = Store[#return] : &:r2808_1, r2808_6 +#-----| Goto -> Block 1 + +# 2811| Block 3 +# 2811| r2811_1(glval) = VariableAddress[#return] : +# 2811| r2811_2(unsigned long) = Constant[0] : +# 2811| m2811_3(unsigned long) = Store[#return] : &:r2811_1, r2811_2 +#-----| Goto -> Block 1 + +# 2814| void vla_sizeof_test4(int, size_t) +# 2814| Block 0 +# 2814| v2814_1(void) = EnterFunction : +# 2814| m2814_2(unknown) = AliasedDefinition : +# 2814| m2814_3(unknown) = InitializeNonLocal : +# 2814| m2814_4(unknown) = Chi : total:m2814_2, partial:m2814_3 +# 2814| r2814_5(glval) = VariableAddress[len1] : +# 2814| m2814_6(int) = InitializeParameter[len1] : &:r2814_5 +# 2814| r2814_7(glval) = VariableAddress[len2] : +# 2814| m2814_8(unsigned long) = InitializeParameter[len2] : &:r2814_7 +# 2815| r2815_1(glval) = VariableAddress[tmp1] : +# 2815| m2815_2(int[][]) = Uninitialized[tmp1] : &:r2815_1 +# 2815| r2815_3(glval) = VariableAddress[len1] : +# 2815| r2815_4(int) = Load[len1] : &:r2815_3, m2814_6 +# 2815| r2815_5(glval) = VariableAddress[len2] : +# 2815| r2815_6(unsigned long) = Load[len2] : &:r2815_5, m2814_8 +# 2815| v2815_7(void) = NoOp : +# 2816| r2816_1(glval) = VariableAddress[z] : +# 2816| r2816_2(unsigned long) = Constant[4] : +# 2816| r2816_3(unsigned long) = CopyValue : r2815_6 +# 2816| r2816_4(unsigned long) = Mul : r2816_2, r2816_3 +# 2816| m2816_5(unsigned long) = Store[z] : &:r2816_1, r2816_4 +# 2817| v2817_1(void) = NoOp : +# 2814| v2814_9(void) = ReturnVoid : +# 2814| v2814_10(void) = AliasedUse : m2814_3 +# 2814| v2814_11(void) = ExitFunction : + +# 2819| void vla_sizeof_test5(int, size_t) +# 2819| Block 0 +# 2819| v2819_1(void) = EnterFunction : +# 2819| m2819_2(unknown) = AliasedDefinition : +# 2819| m2819_3(unknown) = InitializeNonLocal : +# 2819| m2819_4(unknown) = Chi : total:m2819_2, partial:m2819_3 +# 2819| r2819_5(glval) = VariableAddress[len1] : +# 2819| m2819_6(int) = InitializeParameter[len1] : &:r2819_5 +# 2819| r2819_7(glval) = VariableAddress[len2] : +# 2819| m2819_8(unsigned long) = InitializeParameter[len2] : &:r2819_7 +# 2820| r2820_1(glval) = VariableAddress[tmp1] : +# 2820| m2820_2(int[][]) = Uninitialized[tmp1] : &:r2820_1 +# 2820| r2820_3(glval) = VariableAddress[len1] : +# 2820| r2820_4(int) = Load[len1] : &:r2820_3, m2819_6 +# 2820| r2820_5(glval) = VariableAddress[len2] : +# 2820| r2820_6(unsigned long) = Load[len2] : &:r2820_5, m2819_8 +# 2820| v2820_7(void) = NoOp : +# 2821| r2821_1(glval) = VariableAddress[z] : +# 2821| r2821_2(unsigned long) = Constant[4] : +# 2821| r2821_3(unsigned long) = CopyValue : r2820_6 +# 2821| r2821_4(unsigned long) = Mul : r2821_2, r2821_3 +# 2821| m2821_5(unsigned long) = Store[z] : &:r2821_1, r2821_4 +# 2822| v2822_1(void) = NoOp : +# 2819| v2819_9(void) = ReturnVoid : +# 2819| v2819_10(void) = AliasedUse : m2819_3 +# 2819| v2819_11(void) = ExitFunction : + ir23.cpp: # 1| bool consteval_1() # 1| Block 0 diff --git a/cpp/ql/test/library-tests/ir/ir/ir.cpp b/cpp/ql/test/library-tests/ir/ir/ir.cpp index 66af788db12d..3dce0a0e1ea9 100644 --- a/cpp/ql/test/library-tests/ir/ir/ir.cpp +++ b/cpp/ql/test/library-tests/ir/ir/ir.cpp @@ -2776,4 +2776,49 @@ void test_allocation_with_initializer() { long* p2 = new long(42); } +void vla_sizeof_test(int len1, size_t len2, char len3) { + char tmp1[len1]; + size_t x = sizeof(tmp1); + int tmp2[len1][len2]; + size_t y = sizeof(tmp2); + size_t z = sizeof(*tmp2); + int tmp3[len1][len2][len3]; + size_t w = sizeof(tmp3); + size_t v = sizeof(*tmp3); + size_t u = sizeof(**tmp3); + size_t t = sizeof(***tmp3); +} + +void vla_sizeof_test2(int len1, size_t len2, char len3) { + int tmp1[len1][len2]; + size_t z = sizeof(tmp1[1]); + int tmp2[len1][len2][len3]; + size_t v = sizeof(tmp2[1]); + size_t u = sizeof(tmp2[1][2]); + size_t t = sizeof(tmp2[1][2][3]); +} + +size_t vla_sizeof_test3(int len1, size_t len2, char len3, bool b) { + typedef long arr[len1][len2]; + typedef arr arr2; + typedef arr2 arr3[len3]; + + if (b) { + arr3 tmp; + return sizeof(tmp[1]); + } + + return 0; +} + +void vla_sizeof_test4(int len1, size_t len2) { + int tmp1[len1][len2]; + size_t z = sizeof(1[tmp1]); +} + +void vla_sizeof_test5(int len1, size_t len2) { + int tmp1[len1][len2]; + size_t z = sizeof((*&tmp1)[1]); +} + // semmle-extractor-options: -std=c++20 --clang diff --git a/cpp/ql/test/library-tests/ir/ir/raw_ir.expected b/cpp/ql/test/library-tests/ir/ir/raw_ir.expected index a567c651ca24..1d8f885cd15b 100644 --- a/cpp/ql/test/library-tests/ir/ir/raw_ir.expected +++ b/cpp/ql/test/library-tests/ir/ir/raw_ir.expected @@ -18577,6 +18577,241 @@ ir.cpp: # 2774| v2774_5(void) = AliasedUse : ~m? # 2774| v2774_6(void) = ExitFunction : +# 2779| void vla_sizeof_test(int, size_t, char) +# 2779| Block 0 +# 2779| v2779_1(void) = EnterFunction : +# 2779| mu2779_2(unknown) = AliasedDefinition : +# 2779| mu2779_3(unknown) = InitializeNonLocal : +# 2779| r2779_4(glval) = VariableAddress[len1] : +# 2779| mu2779_5(int) = InitializeParameter[len1] : &:r2779_4 +# 2779| r2779_6(glval) = VariableAddress[len2] : +# 2779| mu2779_7(unsigned long) = InitializeParameter[len2] : &:r2779_6 +# 2779| r2779_8(glval) = VariableAddress[len3] : +# 2779| mu2779_9(char) = InitializeParameter[len3] : &:r2779_8 +# 2780| r2780_1(glval) = VariableAddress[tmp1] : +# 2780| mu2780_2(char[]) = Uninitialized[tmp1] : &:r2780_1 +# 2780| r2780_3(glval) = VariableAddress[len1] : +# 2780| r2780_4(int) = Load[len1] : &:r2780_3, ~m? +# 2780| v2780_5(void) = NoOp : +# 2781| r2781_1(glval) = VariableAddress[x] : +# 2781| r2781_2(unsigned long) = Constant[1] : +# 2781| r2781_3(unsigned long) = Convert : r2780_4 +# 2781| r2781_4(unsigned long) = Mul : r2781_2, r2781_3 +# 2781| mu2781_5(unsigned long) = Store[x] : &:r2781_1, r2781_4 +# 2782| r2782_1(glval) = VariableAddress[tmp2] : +# 2782| mu2782_2(int[][]) = Uninitialized[tmp2] : &:r2782_1 +# 2782| r2782_3(glval) = VariableAddress[len1] : +# 2782| r2782_4(int) = Load[len1] : &:r2782_3, ~m? +# 2782| r2782_5(glval) = VariableAddress[len2] : +# 2782| r2782_6(unsigned long) = Load[len2] : &:r2782_5, ~m? +# 2782| v2782_7(void) = NoOp : +# 2783| r2783_1(glval) = VariableAddress[y] : +# 2783| r2783_2(unsigned long) = Constant[4] : +# 2783| r2783_3(unsigned long) = Convert : r2782_4 +# 2783| r2783_4(unsigned long) = Mul : r2783_2, r2783_3 +# 2783| r2783_5(unsigned long) = CopyValue : r2782_6 +# 2783| r2783_6(unsigned long) = Mul : r2783_4, r2783_5 +# 2783| mu2783_7(unsigned long) = Store[y] : &:r2783_1, r2783_6 +# 2784| r2784_1(glval) = VariableAddress[z] : +# 2784| r2784_2(unsigned long) = Constant[4] : +# 2784| r2784_3(unsigned long) = CopyValue : r2782_6 +# 2784| r2784_4(unsigned long) = Mul : r2784_2, r2784_3 +# 2784| mu2784_5(unsigned long) = Store[z] : &:r2784_1, r2784_4 +# 2785| r2785_1(glval) = VariableAddress[tmp3] : +# 2785| mu2785_2(int[][][]) = Uninitialized[tmp3] : &:r2785_1 +# 2785| r2785_3(glval) = VariableAddress[len1] : +# 2785| r2785_4(int) = Load[len1] : &:r2785_3, ~m? +# 2785| r2785_5(glval) = VariableAddress[len2] : +# 2785| r2785_6(unsigned long) = Load[len2] : &:r2785_5, ~m? +# 2785| r2785_7(glval) = VariableAddress[len3] : +# 2785| r2785_8(char) = Load[len3] : &:r2785_7, ~m? +# 2785| v2785_9(void) = NoOp : +# 2786| r2786_1(glval) = VariableAddress[w] : +# 2786| r2786_2(unsigned long) = Constant[4] : +# 2786| r2786_3(unsigned long) = Convert : r2785_4 +# 2786| r2786_4(unsigned long) = Mul : r2786_2, r2786_3 +# 2786| r2786_5(unsigned long) = CopyValue : r2785_6 +# 2786| r2786_6(unsigned long) = Mul : r2786_4, r2786_5 +# 2786| r2786_7(unsigned long) = Convert : r2785_8 +# 2786| r2786_8(unsigned long) = Mul : r2786_6, r2786_7 +# 2786| mu2786_9(unsigned long) = Store[w] : &:r2786_1, r2786_8 +# 2787| r2787_1(glval) = VariableAddress[v] : +# 2787| r2787_2(unsigned long) = Constant[4] : +# 2787| r2787_3(unsigned long) = CopyValue : r2785_6 +# 2787| r2787_4(unsigned long) = Mul : r2787_2, r2787_3 +# 2787| r2787_5(unsigned long) = Convert : r2785_8 +# 2787| r2787_6(unsigned long) = Mul : r2787_4, r2787_5 +# 2787| mu2787_7(unsigned long) = Store[v] : &:r2787_1, r2787_6 +# 2788| r2788_1(glval) = VariableAddress[u] : +# 2788| r2788_2(unsigned long) = Constant[4] : +# 2788| r2788_3(unsigned long) = Convert : r2785_8 +# 2788| r2788_4(unsigned long) = Mul : r2788_2, r2788_3 +# 2788| mu2788_5(unsigned long) = Store[u] : &:r2788_1, r2788_4 +# 2789| r2789_1(glval) = VariableAddress[t] : +# 2789| r2789_2(unsigned long) = Constant[4] : +# 2789| mu2789_3(unsigned long) = Store[t] : &:r2789_1, r2789_2 +# 2790| v2790_1(void) = NoOp : +# 2779| v2779_10(void) = ReturnVoid : +# 2779| v2779_11(void) = AliasedUse : ~m? +# 2779| v2779_12(void) = ExitFunction : + +# 2792| void vla_sizeof_test2(int, size_t, char) +# 2792| Block 0 +# 2792| v2792_1(void) = EnterFunction : +# 2792| mu2792_2(unknown) = AliasedDefinition : +# 2792| mu2792_3(unknown) = InitializeNonLocal : +# 2792| r2792_4(glval) = VariableAddress[len1] : +# 2792| mu2792_5(int) = InitializeParameter[len1] : &:r2792_4 +# 2792| r2792_6(glval) = VariableAddress[len2] : +# 2792| mu2792_7(unsigned long) = InitializeParameter[len2] : &:r2792_6 +# 2792| r2792_8(glval) = VariableAddress[len3] : +# 2792| mu2792_9(char) = InitializeParameter[len3] : &:r2792_8 +# 2793| r2793_1(glval) = VariableAddress[tmp1] : +# 2793| mu2793_2(int[][]) = Uninitialized[tmp1] : &:r2793_1 +# 2793| r2793_3(glval) = VariableAddress[len1] : +# 2793| r2793_4(int) = Load[len1] : &:r2793_3, ~m? +# 2793| r2793_5(glval) = VariableAddress[len2] : +# 2793| r2793_6(unsigned long) = Load[len2] : &:r2793_5, ~m? +# 2793| v2793_7(void) = NoOp : +# 2794| r2794_1(glval) = VariableAddress[z] : +# 2794| r2794_2(unsigned long) = Constant[4] : +# 2794| r2794_3(unsigned long) = CopyValue : r2793_6 +# 2794| r2794_4(unsigned long) = Mul : r2794_2, r2794_3 +# 2794| mu2794_5(unsigned long) = Store[z] : &:r2794_1, r2794_4 +# 2795| r2795_1(glval) = VariableAddress[tmp2] : +# 2795| mu2795_2(int[][][]) = Uninitialized[tmp2] : &:r2795_1 +# 2795| r2795_3(glval) = VariableAddress[len1] : +# 2795| r2795_4(int) = Load[len1] : &:r2795_3, ~m? +# 2795| r2795_5(glval) = VariableAddress[len2] : +# 2795| r2795_6(unsigned long) = Load[len2] : &:r2795_5, ~m? +# 2795| r2795_7(glval) = VariableAddress[len3] : +# 2795| r2795_8(char) = Load[len3] : &:r2795_7, ~m? +# 2795| v2795_9(void) = NoOp : +# 2796| r2796_1(glval) = VariableAddress[v] : +# 2796| r2796_2(unsigned long) = Constant[4] : +# 2796| r2796_3(unsigned long) = CopyValue : r2795_6 +# 2796| r2796_4(unsigned long) = Mul : r2796_2, r2796_3 +# 2796| r2796_5(unsigned long) = Convert : r2795_8 +# 2796| r2796_6(unsigned long) = Mul : r2796_4, r2796_5 +# 2796| mu2796_7(unsigned long) = Store[v] : &:r2796_1, r2796_6 +# 2797| r2797_1(glval) = VariableAddress[u] : +# 2797| r2797_2(unsigned long) = Constant[4] : +# 2797| r2797_3(unsigned long) = Convert : r2795_8 +# 2797| r2797_4(unsigned long) = Mul : r2797_2, r2797_3 +# 2797| mu2797_5(unsigned long) = Store[u] : &:r2797_1, r2797_4 +# 2798| r2798_1(glval) = VariableAddress[t] : +# 2798| r2798_2(unsigned long) = Constant[4] : +# 2798| mu2798_3(unsigned long) = Store[t] : &:r2798_1, r2798_2 +# 2799| v2799_1(void) = NoOp : +# 2792| v2792_10(void) = ReturnVoid : +# 2792| v2792_11(void) = AliasedUse : ~m? +# 2792| v2792_12(void) = ExitFunction : + +# 2801| size_t vla_sizeof_test3(int, size_t, char, bool) +# 2801| Block 0 +# 2801| v2801_1(void) = EnterFunction : +# 2801| mu2801_2(unknown) = AliasedDefinition : +# 2801| mu2801_3(unknown) = InitializeNonLocal : +# 2801| r2801_4(glval) = VariableAddress[len1] : +# 2801| mu2801_5(int) = InitializeParameter[len1] : &:r2801_4 +# 2801| r2801_6(glval) = VariableAddress[len2] : +# 2801| mu2801_7(unsigned long) = InitializeParameter[len2] : &:r2801_6 +# 2801| r2801_8(glval) = VariableAddress[len3] : +# 2801| mu2801_9(char) = InitializeParameter[len3] : &:r2801_8 +# 2801| r2801_10(glval) = VariableAddress[b] : +# 2801| mu2801_11(bool) = InitializeParameter[b] : &:r2801_10 +# 2802| r2802_1(glval) = VariableAddress[len1] : +# 2802| r2802_2(int) = Load[len1] : &:r2802_1, ~m? +# 2802| r2802_3(glval) = VariableAddress[len2] : +# 2802| r2802_4(unsigned long) = Load[len2] : &:r2802_3, ~m? +# 2802| v2802_5(void) = NoOp : +# 2803| v2803_1(void) = NoOp : +# 2804| r2804_1(glval) = VariableAddress[len3] : +# 2804| r2804_2(char) = Load[len3] : &:r2804_1, ~m? +# 2804| v2804_3(void) = NoOp : +# 2806| r2806_1(glval) = VariableAddress[b] : +# 2806| r2806_2(bool) = Load[b] : &:r2806_1, ~m? +# 2806| v2806_3(void) = ConditionalBranch : r2806_2 +#-----| False -> Block 3 +#-----| True -> Block 2 + +# 2801| Block 1 +# 2801| r2801_12(glval) = VariableAddress[#return] : +# 2801| v2801_13(void) = ReturnValue : &:r2801_12, ~m? +# 2801| v2801_14(void) = AliasedUse : ~m? +# 2801| v2801_15(void) = ExitFunction : + +# 2807| Block 2 +# 2807| r2807_1(glval) = VariableAddress[tmp] : +# 2807| mu2807_2(long[][][]) = Uninitialized[tmp] : &:r2807_1 +# 2807| v2807_3(void) = NoOp : +# 2808| r2808_1(glval) = VariableAddress[#return] : +# 2808| r2808_2(unsigned long) = Constant[8] : +# 2808| r2808_3(unsigned long) = Convert : r2802_2 +# 2808| r2808_4(unsigned long) = Mul : r2808_2, r2808_3 +# 2808| r2808_5(unsigned long) = CopyValue : r2802_4 +# 2808| r2808_6(unsigned long) = Mul : r2808_4, r2808_5 +# 2808| mu2808_7(unsigned long) = Store[#return] : &:r2808_1, r2808_6 +#-----| Goto -> Block 1 + +# 2811| Block 3 +# 2811| r2811_1(glval) = VariableAddress[#return] : +# 2811| r2811_2(unsigned long) = Constant[0] : +# 2811| mu2811_3(unsigned long) = Store[#return] : &:r2811_1, r2811_2 +#-----| Goto -> Block 1 + +# 2814| void vla_sizeof_test4(int, size_t) +# 2814| Block 0 +# 2814| v2814_1(void) = EnterFunction : +# 2814| mu2814_2(unknown) = AliasedDefinition : +# 2814| mu2814_3(unknown) = InitializeNonLocal : +# 2814| r2814_4(glval) = VariableAddress[len1] : +# 2814| mu2814_5(int) = InitializeParameter[len1] : &:r2814_4 +# 2814| r2814_6(glval) = VariableAddress[len2] : +# 2814| mu2814_7(unsigned long) = InitializeParameter[len2] : &:r2814_6 +# 2815| r2815_1(glval) = VariableAddress[tmp1] : +# 2815| mu2815_2(int[][]) = Uninitialized[tmp1] : &:r2815_1 +# 2815| r2815_3(glval) = VariableAddress[len1] : +# 2815| r2815_4(int) = Load[len1] : &:r2815_3, ~m? +# 2815| r2815_5(glval) = VariableAddress[len2] : +# 2815| r2815_6(unsigned long) = Load[len2] : &:r2815_5, ~m? +# 2815| v2815_7(void) = NoOp : +# 2816| r2816_1(glval) = VariableAddress[z] : +# 2816| r2816_2(unsigned long) = Constant[4] : +# 2816| r2816_3(unsigned long) = CopyValue : r2815_6 +# 2816| r2816_4(unsigned long) = Mul : r2816_2, r2816_3 +# 2816| mu2816_5(unsigned long) = Store[z] : &:r2816_1, r2816_4 +# 2817| v2817_1(void) = NoOp : +# 2814| v2814_8(void) = ReturnVoid : +# 2814| v2814_9(void) = AliasedUse : ~m? +# 2814| v2814_10(void) = ExitFunction : + +# 2819| void vla_sizeof_test5(int, size_t) +# 2819| Block 0 +# 2819| v2819_1(void) = EnterFunction : +# 2819| mu2819_2(unknown) = AliasedDefinition : +# 2819| mu2819_3(unknown) = InitializeNonLocal : +# 2819| r2819_4(glval) = VariableAddress[len1] : +# 2819| mu2819_5(int) = InitializeParameter[len1] : &:r2819_4 +# 2819| r2819_6(glval) = VariableAddress[len2] : +# 2819| mu2819_7(unsigned long) = InitializeParameter[len2] : &:r2819_6 +# 2820| r2820_1(glval) = VariableAddress[tmp1] : +# 2820| mu2820_2(int[][]) = Uninitialized[tmp1] : &:r2820_1 +# 2820| r2820_3(glval) = VariableAddress[len1] : +# 2820| r2820_4(int) = Load[len1] : &:r2820_3, ~m? +# 2820| r2820_5(glval) = VariableAddress[len2] : +# 2820| r2820_6(unsigned long) = Load[len2] : &:r2820_5, ~m? +# 2820| v2820_7(void) = NoOp : +# 2821| r2821_1(glval) = VariableAddress[z] : +# 2821| r2821_2(unsigned long) = Constant[4] : +# 2821| r2821_3(unsigned long) = CopyValue : r2820_6 +# 2821| r2821_4(unsigned long) = Mul : r2821_2, r2821_3 +# 2821| mu2821_5(unsigned long) = Store[z] : &:r2821_1, r2821_4 +# 2822| v2822_1(void) = NoOp : +# 2819| v2819_8(void) = ReturnVoid : +# 2819| v2819_9(void) = AliasedUse : ~m? +# 2819| v2819_10(void) = ExitFunction : + ir23.cpp: # 1| bool consteval_1() # 1| Block 0