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[mlir][amdgpu] Add Inliner interface #162873

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Merged
merged 2 commits into from
Oct 10, 2025
Merged

[mlir][amdgpu] Add Inliner interface #162873

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3ba467e
[mlir][amdgpu] Add Inliner intreface
Hardcode84 Oct 10, 2025
7908552
final
Hardcode84 Oct 10, 2025
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11 changes: 11 additions & 0 deletions mlir/lib/Dialect/AMDGPU/IR/AMDGPUDialect.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
#include "mlir/IR/OpImplementation.h"
#include "mlir/IR/PatternMatch.h"
#include "mlir/IR/TypeUtilities.h"
#include "mlir/Transforms/InliningUtils.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/TypeSwitch.h"
Expand All @@ -40,6 +41,15 @@ using namespace mlir::amdgpu;

#include "mlir/Dialect/AMDGPU/IR/AMDGPUDialect.cpp.inc"

namespace {
struct AMDGPUInlinerInterface final : DialectInlinerInterface {
using DialectInlinerInterface::DialectInlinerInterface;
bool isLegalToInline(Operation *, Region *, bool, IRMapping &) const final {
return true;
}
};
} // namespace

void AMDGPUDialect::initialize() {
addOperations<
#define GET_OP_LIST
Expand All @@ -49,6 +59,7 @@ void AMDGPUDialect::initialize() {
#define GET_ATTRDEF_LIST
#include "mlir/Dialect/AMDGPU/IR/AMDGPUAttributes.cpp.inc"
>();
addInterfaces<AMDGPUInlinerInterface>();
}

//===----------------------------------------------------------------------===//
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14 changes: 14 additions & 0 deletions mlir/test/Dialect/AMDGPU/inlining.mlir
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@@ -0,0 +1,14 @@
// RUN: mlir-opt %s --inline | FileCheck %s

func.func @calee(%arg0 : f32) -> f32 {
%0 = amdgpu.permlane_swap %arg0 32 : f32
func.return %0 : f32
}

// CHECK-LABEL: func @caller
func.func @caller(%arg0 : f32) -> f32 {
// CHECK-NOT: call
// CHECK: amdgpu.permlane_swap
%0 = call @calee(%arg0) : (f32) -> f32
func.return %0 : f32
}