1// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -emit-llvm -disable-llvm-passes %s -o - | FileCheck %s --check-prefixes=CHECK,NOINLINE 2// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -emit-llvm -O0 %s -o - | FileCheck %s --check-prefixes=CHECK,INLINE 3 4int i; 5 6__attribute__((constructor)) void call_me_first(void) { 7 i = 12; 8} 9 10__attribute__((constructor)) void then_call_me(void) { 11 i = 13; 12} 13 14__attribute__((destructor)) void call_me_last(void) { 15 i = 0; 16} 17 18[numthreads(1,1,1)] 19void main(unsigned GI : SV_GroupIndex) {} 20 21// Make sure global variable for ctors/dtors removed. 22// CHECK-NOT:@llvm.global_ctors 23// CHECK-NOT:@llvm.global_dtors 24 25// CHECK: define void @main() 26// CHECK-NEXT: entry: 27// Verify function constructors are emitted 28// NOINLINE-NEXT: call void @_Z13call_me_firstv() 29// NOINLINE-NEXT: call void @_Z12then_call_mev() 30// NOINLINE-NEXT: %0 = call i32 @llvm.dx.flattened.thread.id.in.group() 31// NOINLINE-NEXT: call void @_Z4mainj(i32 %0) 32// NOINLINE-NEXT: call void @_Z12call_me_lastv( 33// NOINLINE-NEXT: ret void 34 35// Verify constructor calls are inlined when AlwaysInline is run 36// INLINE-NEXT: alloca 37// INLINE-NEXT: store i32 12 38// INLINE-NEXT: store i32 13 39// INLINE-NEXT: %0 = call i32 @llvm.dx.flattened.thread.id.in.group() 40// INLINE-NEXT: store i32 % 41// INLINE-NEXT: store i32 0 42// INLINE: ret void 43