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// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -std=hlsl202x -emit-llvm -disable-llvm-passes %s -o - | FileCheck %s --check-prefixes=CS,CHECK
// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -std=hlsl202x -emit-llvm -disable-llvm-passes %s -o - | FileCheck %s --check-prefixes=LIB,CHECK
// Make sure global variable for dtors exist for lib profile.
// LIB:@llvm.global_dtors
// Make sure global variable for dtors removed for compute profile.
// CS-NOT:llvm.global_dtors
struct Tail {
Tail() {
add(1);
}
~Tail() {
add(-1);
}
void add(int V) {
static int Count = 0;
Count += V;
}
};
struct Pupper {
static int Count;
Pupper() {
Count += 1; // :)
}
~Pupper() {
Count -= 1; // :(
}
} GlobalPup;
void Wag() {
static Tail T;
T.add(0);
}
int Pupper::Count = 0;
[numthreads(1,1,1)]
[shader("compute")]
void main(unsigned GI : SV_GroupIndex) {
Wag();
}
// 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:
//CHECK-NEXT: call void @_GLOBAL__sub_I_GlobalDestructors.hlsl()
//CHECK-NEXT: %0 = call i32 @llvm.dx.flattened.thread.id.in.group()
//CHECK-NEXT: call void @"?main@@YAXI@Z"(i32 %0)
//CHECK-NEXT: call void @_GLOBAL__D_a()
//CHECK-NEXT: ret void
// This is really just a sanity check I needed for myself to verify that
// function scope static variables also get destroyed properly.
//CHECK: define internal void @_GLOBAL__D_a()
//CHECK-NEXT: entry:
//CHECK-NEXT: call void @"??1Tail@@QAA@XZ"(ptr @"?T@?1??Wag@@YAXXZ@4UTail@@A")
//CHECK-NEXT: call void @"??1Pupper@@QAA@XZ"(ptr @"?GlobalPup@@3UPupper@@A")
//CHECK-NEXT: ret void
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