xref: /llvm-project/llvm/test/CodeGen/SPIRV/llvm-intrinsics/assume.ll (revision 67d3ef74b31e1517d4f679e754cc2b3041c95901)
1; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
2
3; CHECK-SPIRV-NOT: OpCapability ExpectAssumeKHR
4; CHECK-SPIRV-NOT: OpExtension "SPV_KHR_expect_assume"
5; CHECK-SPIRV:     OpName %[[#COMPARE:]] "cmp"
6; CHECK-SPIRV:     %[[#COMPARE]] = OpINotEqual %[[#]] %[[#]] %[[#]]
7; CHECK-SPIRV-NOT: OpAssumeTrueKHR %[[#COMPARE]]
8
9%class.anon = type { i8 }
10
11define spir_func void @_Z3fooi(i32 %x) {
12entry:
13  %x.addr = alloca i32, align 4
14  store i32 %x, i32* %x.addr, align 4
15  %0 = load i32, i32* %x.addr, align 4
16  %cmp = icmp ne i32 %0, 0
17  call void @llvm.assume(i1 %cmp)
18  ret void
19}
20
21declare void @llvm.assume(i1)
22
23define i32 @main() {
24entry:
25  %retval = alloca i32, align 4
26  %agg.tmp = alloca %class.anon, align 1
27  store i32 0, i32* %retval, align 4
28  call spir_func void @"_Z18kernel_single_taskIZ4mainE11fake_kernelZ4mainE3$_0EvT0_"(%class.anon* byval(%class.anon) align 1 %agg.tmp)
29  ret i32 0
30}
31
32define internal spir_func void @"_Z18kernel_single_taskIZ4mainE11fake_kernelZ4mainE3$_0EvT0_"(%class.anon* byval(%class.anon) align 1 %kernelFunc) {
33entry:
34  call spir_func void @"_ZZ4mainENK3$_0clEv"(%class.anon* %kernelFunc)
35  ret void
36}
37
38define internal spir_func void @"_ZZ4mainENK3$_0clEv"(%class.anon* %this) align 2 {
39entry:
40  %this.addr = alloca %class.anon*, align 8
41  %a = alloca i32, align 4
42  store %class.anon* %this, %class.anon** %this.addr, align 8
43  %this1 = load %class.anon*, %class.anon** %this.addr, align 8
44  %0 = bitcast i32* %a to i8*
45  call void @llvm.lifetime.start.p0i8(i64 4, i8* %0)
46  store i32 1, i32* %a, align 4
47  %1 = load i32, i32* %a, align 4
48  call spir_func void @_Z3fooi(i32 %1)
49  %2 = bitcast i32* %a to i8*
50  call void @llvm.lifetime.end.p0i8(i64 4, i8* %2)
51  ret void
52}
53
54declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture)
55
56declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
57