| // RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -emit-llvm -disable-llvm-passes %s -o - | FileCheck %s --check-prefixes=CHECK,NOINLINE |
| // RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -emit-llvm -O0 %s -o - | FileCheck %s --check-prefixes=CHECK,INLINE |
| |
| int i; |
| |
| __attribute__((constructor)) void call_me_first(void) { |
| i = 12; |
| } |
| |
| __attribute__((constructor)) void then_call_me(void) { |
| i = 13; |
| } |
| |
| __attribute__((destructor)) void call_me_last(void) { |
| i = 0; |
| } |
| |
| [numthreads(1,1,1)] |
| void main(unsigned GI : SV_GroupIndex) {} |
| |
| // Make sure global variable for ctors/dtors removed. |
| // CHECK-NOT:@llvm.global_ctors |
| // CHECK-NOT:@llvm.global_dtors |
| |
| // CHECK: define void @main() |
| // CHECK-NEXT: entry: |
| // Verify function constructors are emitted |
| // NOINLINE-NEXT: call void @_Z13call_me_firstv() |
| // NOINLINE-NEXT: call void @_Z12then_call_mev() |
| // NOINLINE-NEXT: %0 = call i32 @llvm.dx.flattened.thread.id.in.group() |
| // NOINLINE-NEXT: call void @_Z4mainj(i32 %0) |
| // NOINLINE-NEXT: call void @_Z12call_me_lastv( |
| // NOINLINE-NEXT: ret void |
| |
| // Verify constructor calls are inlined when AlwaysInline is run |
| // INLINE-NEXT: alloca |
| // INLINE-NEXT: store i32 12 |
| // INLINE-NEXT: store i32 13 |
| // INLINE-NEXT: %0 = call i32 @llvm.dx.flattened.thread.id.in.group() |
| // INLINE-NEXT: store i32 % |
| // INLINE-NEXT: store i32 0 |
| // INLINE: ret void |
