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MathiasVPMathiasVP
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C++: Add a test with global variable templates.
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‎cpp/ql/test/library-tests/ir/ir/PrintAST.expected

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@@ -14377,6 +14377,37 @@ ir.cpp:
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# 1885| Type = [ClassTemplateInstantiation,Struct] Bar2<int>
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# 1885| ValueCategory = lvalue
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# 1886| getStmt(2): [ReturnStmt] return ...
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# 1891| [TopLevelFunction] int test_global_template_int()
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# 1891| <params>:
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# 1891| getEntryPoint(): [BlockStmt] { ... }
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# 1892| getStmt(0): [DeclStmt] declaration
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# 1892| getDeclarationEntry(0): [VariableDeclarationEntry] definition of local_int
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# 1892| Type = [IntType] int
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# 1892| getVariable().getInitializer(): [Initializer] initializer for local_int
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# 1892| getExpr(): [VariableAccess] global_template
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# 1892| Type = [IntType] int
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# 1892| ValueCategory = prvalue(load)
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# 1893| getStmt(1): [DeclStmt] declaration
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# 1893| getDeclarationEntry(0): [VariableDeclarationEntry] definition of local_char
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# 1893| Type = [PlainCharType] char
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# 1893| getVariable().getInitializer(): [Initializer] initializer for local_char
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# 1893| getExpr(): [VariableAccess] global_template
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# 1893| Type = [PlainCharType] char
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# 1893| ValueCategory = prvalue(load)
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# 1894| getStmt(2): [ReturnStmt] return ...
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# 1894| getExpr(): [AddExpr] ... + ...
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# 1894| Type = [IntType] int
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# 1894| ValueCategory = prvalue
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# 1894| getLeftOperand(): [VariableAccess] local_int
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# 1894| Type = [IntType] int
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# 1894| ValueCategory = prvalue(load)
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# 1894| getRightOperand(): [VariableAccess] local_char
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# 1894| Type = [PlainCharType] char
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# 1894| ValueCategory = prvalue(load)
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# 1894| getRightOperand().getFullyConverted(): [CStyleCast] (int)...
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# 1894| Conversion = [IntegralConversion] integral conversion
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# 1894| Type = [IntType] int
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# 1894| ValueCategory = prvalue
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perf-regression.cpp:
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# 4| [CopyAssignmentOperator] Big& Big::operator=(Big const&)
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# 4| <params>:

‎cpp/ql/test/library-tests/ir/ir/ir.cpp

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@@ -1886,4 +1886,12 @@ namespace missing_declaration_entries {
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}
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}
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template<typename T> T global_template = 42;
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int test_global_template_int() {
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int local_int = global_template<int>;
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char local_char = global_template<char>;
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return local_int + (int)local_char;
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}
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// semmle-extractor-options: -std=c++17 --clang

‎cpp/ql/test/library-tests/ir/ir/operand_locations.expected

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@@ -8751,6 +8751,38 @@
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| ir.cpp:1885:11:1885:50 | ChiPartial | partial:m1885_4 |
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| ir.cpp:1885:11:1885:50 | ChiTotal | total:m1883_4 |
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| ir.cpp:1885:11:1885:50 | SideEffect | ~m1883_4 |
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| ir.cpp:1889:24:1889:24 | Address | &:r1889_3 |
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| ir.cpp:1889:24:1889:24 | Address | &:r1889_3 |
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| ir.cpp:1889:24:1889:24 | SideEffect | ~m1889_6 |
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| ir.cpp:1889:24:1889:24 | SideEffect | ~m1889_6 |
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| ir.cpp:1889:42:1889:43 | ChiPartial | partial:m1889_5 |
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| ir.cpp:1889:42:1889:43 | ChiPartial | partial:m1889_5 |
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| ir.cpp:1889:42:1889:43 | ChiTotal | total:m1889_2 |
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| ir.cpp:1889:42:1889:43 | ChiTotal | total:m1889_2 |
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| ir.cpp:1889:42:1889:43 | StoreValue | r1889_4 |
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| ir.cpp:1889:42:1889:43 | StoreValue | r1889_4 |
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| ir.cpp:1891:5:1891:28 | Address | &:r1891_5 |
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| ir.cpp:1891:5:1891:28 | ChiPartial | partial:m1891_3 |
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| ir.cpp:1891:5:1891:28 | ChiTotal | total:m1891_2 |
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| ir.cpp:1891:5:1891:28 | Load | m1894_8 |
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| ir.cpp:1891:5:1891:28 | SideEffect | m1891_3 |
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| ir.cpp:1892:9:1892:17 | Address | &:r1892_1 |
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| ir.cpp:1892:21:1892:40 | Address | &:r1892_2 |
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| ir.cpp:1892:21:1892:40 | Load | ~m1891_3 |
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| ir.cpp:1892:21:1892:40 | StoreValue | r1892_3 |
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| ir.cpp:1893:10:1893:19 | Address | &:r1893_1 |
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| ir.cpp:1893:23:1893:43 | Address | &:r1893_2 |
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| ir.cpp:1893:23:1893:43 | Load | ~m1891_3 |
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| ir.cpp:1893:23:1893:43 | StoreValue | r1893_3 |
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| ir.cpp:1894:5:1894:39 | Address | &:r1894_1 |
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| ir.cpp:1894:12:1894:20 | Address | &:r1894_2 |
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| ir.cpp:1894:12:1894:20 | Left | r1894_3 |
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| ir.cpp:1894:12:1894:20 | Load | m1892_4 |
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| ir.cpp:1894:12:1894:38 | StoreValue | r1894_7 |
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| ir.cpp:1894:24:1894:38 | Right | r1894_6 |
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| ir.cpp:1894:29:1894:38 | Address | &:r1894_4 |
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| ir.cpp:1894:29:1894:38 | Load | m1893_4 |
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| ir.cpp:1894:29:1894:38 | Unary | r1894_5 |
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| perf-regression.cpp:6:3:6:5 | Address | &:r6_5 |
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| perf-regression.cpp:6:3:6:5 | Address | &:r6_5 |
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| perf-regression.cpp:6:3:6:5 | Address | &:r6_7 |

‎cpp/ql/test/library-tests/ir/ir/raw_ir.expected

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@@ -10057,6 +10057,54 @@ ir.cpp:
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# 1883| v1883_5(void) = AliasedUse : ~m?
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# 1883| v1883_6(void) = ExitFunction :
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# 1889| char global_template<char>
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# 1889| Block 0
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# 1889| v1889_1(void) = EnterFunction :
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# 1889| mu1889_2(unknown) = AliasedDefinition :
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# 1889| r1889_3(glval<char>) = VariableAddress[global_template] :
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# 1889| r1889_4(char) = Constant[42] :
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# 1889| mu1889_5(char) = Store[global_template] : &:r1889_3, r1889_4
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# 1889| v1889_6(void) = ReturnVoid :
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# 1889| v1889_7(void) = AliasedUse : ~m?
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# 1889| v1889_8(void) = ExitFunction :
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# 1889| int global_template<int>
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# 1889| Block 0
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# 1889| v1889_1(void) = EnterFunction :
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# 1889| mu1889_2(unknown) = AliasedDefinition :
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# 1889| r1889_3(glval<int>) = VariableAddress[global_template] :
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# 1889| r1889_4(int) = Constant[42] :
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# 1889| mu1889_5(int) = Store[global_template] : &:r1889_3, r1889_4
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# 1889| v1889_6(void) = ReturnVoid :
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# 1889| v1889_7(void) = AliasedUse : ~m?
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# 1889| v1889_8(void) = ExitFunction :
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# 1891| int test_global_template_int()
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# 1891| Block 0
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# 1891| v1891_1(void) = EnterFunction :
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# 1891| mu1891_2(unknown) = AliasedDefinition :
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# 1891| mu1891_3(unknown) = InitializeNonLocal :
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# 1892| r1892_1(glval<int>) = VariableAddress[local_int] :
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# 1892| r1892_2(glval<int>) = VariableAddress[global_template] :
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# 1892| r1892_3(int) = Load[global_template] : &:r1892_2, ~m?
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# 1892| mu1892_4(int) = Store[local_int] : &:r1892_1, r1892_3
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# 1893| r1893_1(glval<char>) = VariableAddress[local_char] :
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# 1893| r1893_2(glval<char>) = VariableAddress[global_template] :
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# 1893| r1893_3(char) = Load[global_template] : &:r1893_2, ~m?
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# 1893| mu1893_4(char) = Store[local_char] : &:r1893_1, r1893_3
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# 1894| r1894_1(glval<int>) = VariableAddress[#return] :
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# 1894| r1894_2(glval<int>) = VariableAddress[local_int] :
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# 1894| r1894_3(int) = Load[local_int] : &:r1894_2, ~m?
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# 1894| r1894_4(glval<char>) = VariableAddress[local_char] :
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# 1894| r1894_5(char) = Load[local_char] : &:r1894_4, ~m?
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# 1894| r1894_6(int) = Convert : r1894_5
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# 1894| r1894_7(int) = Add : r1894_3, r1894_6
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# 1894| mu1894_8(int) = Store[#return] : &:r1894_1, r1894_7
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# 1891| r1891_4(glval<int>) = VariableAddress[#return] :
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# 1891| v1891_5(void) = ReturnValue : &:r1891_4, ~m?
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# 1891| v1891_6(void) = AliasedUse : ~m?
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# 1891| v1891_7(void) = ExitFunction :
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perf-regression.cpp:
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# 6| void Big::Big()
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# 6| Block 0

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