b89bb7775d
This reverts commit 4a63f4d301c0e044073e1b1f8f110015ec1778a1. It was reverted because of a buildbot breakage, but the fix-forward has landed (https://github.com/llvm/llvm-project/pull/109023).
77 lines
2.5 KiB
HLSL
77 lines
2.5 KiB
HLSL
// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -std=hlsl202x -emit-llvm -o - -disable-llvm-passes %s | FileCheck %s --check-prefixes=CHECK,NOINLINE
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// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -std=hlsl202x -emit-llvm -o - -disable-llvm-passes %s | FileCheck %s --check-prefixes=CHECK,NOINLINE
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// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -std=hlsl202x -emit-llvm -o - -O0 %s | FileCheck %s --check-prefixes=CHECK,INLINE
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// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -std=hlsl202x -emit-llvm -o - -O0 %s | FileCheck %s --check-prefixes=CHECK,INLINE
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// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -std=hlsl202x -emit-llvm -o - -O1 %s | FileCheck %s --check-prefixes=CHECK,INLINE
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// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -std=hlsl202x -emit-llvm -o - -O1 %s | FileCheck %s --check-prefixes=CHECK,INLINE
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// Tests that implicit constructor calls for user classes will always be inlined.
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struct Weed {
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Weed() {Count += 1;}
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[[maybe_unused]] void pull() {Count--;}
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static int weedCount() { return Count; }
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private:
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static int Count;
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} YardWeeds;
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int Weed::Count = 1; // It begins. . .
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struct Kitty {
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unsigned burrsInFur;
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Kitty() {
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burrsInFur = 0;
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}
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void wanderInYard(int hours) {
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burrsInFur = hours*Weed::weedCount()/8;
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}
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void lick() {
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if(burrsInFur) {
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burrsInFur--;
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Weed w;
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}
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}
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} Nion;
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void NionsDay(int hours) {
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static Kitty Nion;
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Nion.wanderInYard(hours);
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while(Nion.burrsInFur) Nion.lick();
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}
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// CHECK: define void @main()
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// CHECK-NEXT: entry:
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// Verify constructor is emitted
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// NOINLINE-NEXT: call void @_GLOBAL__sub_I_inline_constructors.hlsl()
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// NOINLINE-NEXT: %0 = call i32 @llvm.dx.flattened.thread.id.in.group()
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// NOINLINE-NEXT: call void @"?main@@YAXI@Z"(i32 %0)
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// Verify inlining leaves only calls to "llvm." intrinsics
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// INLINE-NOT: call {{[^@]*}} @{{[^l][^l][^v][^m][^\.]}}
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// CHECK: ret void
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[shader("compute")]
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[numthreads(1,1,1)]
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void main(unsigned GI : SV_GroupIndex) {
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NionsDay(10);
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}
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// CHECK: define void @rainyMain()
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// CHECK-NEXT: entry:
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// Verify constructor is emitted
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// NOINLINE-NEXT: call void @_GLOBAL__sub_I_inline_constructors.hlsl()
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// NOINLINE-NEXT: call void @"?rainyMain@@YAXXZ"()
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// Verify inlining leaves only calls to "llvm." intrinsics
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// INLINE-NOT: call {{[^@]*}} @{{[^l][^l][^v][^m][^\.]}}
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// CHECK: ret void
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[shader("compute")]
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[numthreads(1,1,1)]
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void rainyMain() {
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NionsDay(1);
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}
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