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[MLIR][LLVMIR] Add elementtype attribute #129918

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Merged
merged 2 commits into from
Mar 5, 2025
Merged

[MLIR][LLVMIR] Add elementtype attribute #129918

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121f5db
[MLIR][LLVMIR] Add elementtype attribute
bcardosolopes Mar 5, 2025
ca7f6a8
Change attribute name to match LLVM closely
bcardosolopes Mar 5, 2025
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1 change: 1 addition & 0 deletions mlir/include/mlir/Dialect/LLVMIR/LLVMDialect.td
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Expand Up @@ -44,6 +44,7 @@ def LLVM_Dialect : Dialect {
static StringRef getNoUndefAttrName() { return "llvm.noundef"; }
static StringRef getDereferenceableAttrName() { return "llvm.dereferenceable"; }
static StringRef getDereferenceableOrNullAttrName() { return "llvm.dereferenceable_or_null"; }
static StringRef getElementTypeAttrName() { return "llvm.elementtype"; }
static StringRef getInAllocaAttrName() { return "llvm.inalloca"; }
static StringRef getInRegAttrName() { return "llvm.inreg"; }
static StringRef getNestAttrName() { return "llvm.nest"; }
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1 change: 1 addition & 0 deletions mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp
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Expand Up @@ -3942,6 +3942,7 @@ LogicalResult LLVMDialect::verifyParameterAttribute(Operation *op,
if (name == LLVMDialect::getStructRetAttrName() ||
name == LLVMDialect::getByValAttrName() ||
name == LLVMDialect::getByRefAttrName() ||
name == LLVMDialect::getElementTypeAttrName() ||
name == LLVMDialect::getInAllocaAttrName() ||
name == LLVMDialect::getPreallocatedAttrName()) {
if (failed(checkTypeAttrType()))
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2 changes: 2 additions & 0 deletions mlir/lib/Target/LLVMIR/AttrKindDetail.h
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Expand Up @@ -35,6 +35,8 @@ getAttrKindToNameMapping() {
LLVMDialect::getDereferenceableAttrName()},
{llvm::Attribute::AttrKind::DereferenceableOrNull,
LLVMDialect::getDereferenceableOrNullAttrName()},
{llvm::Attribute::AttrKind::ElementType,
LLVMDialect::getElementTypeAttrName()},
{llvm::Attribute::AttrKind::InAlloca, LLVMDialect::getInAllocaAttrName()},
{llvm::Attribute::AttrKind::InReg, LLVMDialect::getInRegAttrName()},
{llvm::Attribute::AttrKind::Nest, LLVMDialect::getNestAttrName()},
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9 changes: 9 additions & 0 deletions mlir/test/Dialect/LLVMIR/call-intrin.mlir
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Expand Up @@ -114,3 +114,12 @@ llvm.func @intrinsic_call_arg_attrs(%arg0: i32) -> i32 {
%0 = llvm.call_intrinsic "llvm.riscv.sha256sig0"(%arg0) : (i32 {llvm.signext}) -> (i32)
llvm.return %0 : i32
}

// -----

// CHECK-LABEL: intrinsic_element_type
llvm.func @intrinsic_element_type(%arg0: !llvm.ptr) {
// CHECK: call i64 @llvm.aarch64.ldxr.p0(ptr elementtype(i8) %{{.*}})
%0 = llvm.call_intrinsic "llvm.aarch64.ldxr.p0"(%arg0) : (!llvm.ptr {llvm.elementtype = i8}) -> i64
llvm.return
}
2 changes: 1 addition & 1 deletion mlir/test/Target/LLVMIR/Import/intrinsic-unregistered.ll
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Expand Up @@ -9,7 +9,7 @@ define dso_local void @t0(ptr %a) {

; CHECK-LABEL: llvm.func @llvm.aarch64.ldxr.p0(!llvm.ptr)
; CHECK-LABEL: llvm.func @t0
; CHECK: llvm.call_intrinsic "llvm.aarch64.ldxr.p0"({{.*}}) : (!llvm.ptr) -> i64
; CHECK: llvm.call_intrinsic "llvm.aarch64.ldxr.p0"({{.*}}) : (!llvm.ptr {llvm.elementtype = i8}) -> i64
; CHECK: llvm.return
; CHECK: }

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