xref: /llvm-project/llvm/test/CodeGen/SPIRV/llvm-intrinsics/assume.ll (revision 67d3ef74b31e1517d4f679e754cc2b3041c95901)
1*67d3ef74SVyacheslav Levytskyy; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
28468e674SAndrey Tretyakov
38468e674SAndrey Tretyakov; CHECK-SPIRV-NOT: OpCapability ExpectAssumeKHR
48468e674SAndrey Tretyakov; CHECK-SPIRV-NOT: OpExtension "SPV_KHR_expect_assume"
58468e674SAndrey Tretyakov; CHECK-SPIRV:     OpName %[[#COMPARE:]] "cmp"
68468e674SAndrey Tretyakov; CHECK-SPIRV:     %[[#COMPARE]] = OpINotEqual %[[#]] %[[#]] %[[#]]
78468e674SAndrey Tretyakov; CHECK-SPIRV-NOT: OpAssumeTrueKHR %[[#COMPARE]]
88468e674SAndrey Tretyakov
98468e674SAndrey Tretyakov%class.anon = type { i8 }
108468e674SAndrey Tretyakov
118468e674SAndrey Tretyakovdefine spir_func void @_Z3fooi(i32 %x) {
128468e674SAndrey Tretyakoventry:
138468e674SAndrey Tretyakov  %x.addr = alloca i32, align 4
148468e674SAndrey Tretyakov  store i32 %x, i32* %x.addr, align 4
158468e674SAndrey Tretyakov  %0 = load i32, i32* %x.addr, align 4
168468e674SAndrey Tretyakov  %cmp = icmp ne i32 %0, 0
178468e674SAndrey Tretyakov  call void @llvm.assume(i1 %cmp)
188468e674SAndrey Tretyakov  ret void
198468e674SAndrey Tretyakov}
208468e674SAndrey Tretyakov
218468e674SAndrey Tretyakovdeclare void @llvm.assume(i1)
228468e674SAndrey Tretyakov
238468e674SAndrey Tretyakovdefine i32 @main() {
248468e674SAndrey Tretyakoventry:
258468e674SAndrey Tretyakov  %retval = alloca i32, align 4
268468e674SAndrey Tretyakov  %agg.tmp = alloca %class.anon, align 1
278468e674SAndrey Tretyakov  store i32 0, i32* %retval, align 4
288468e674SAndrey Tretyakov  call spir_func void @"_Z18kernel_single_taskIZ4mainE11fake_kernelZ4mainE3$_0EvT0_"(%class.anon* byval(%class.anon) align 1 %agg.tmp)
298468e674SAndrey Tretyakov  ret i32 0
308468e674SAndrey Tretyakov}
318468e674SAndrey Tretyakov
328468e674SAndrey Tretyakovdefine internal spir_func void @"_Z18kernel_single_taskIZ4mainE11fake_kernelZ4mainE3$_0EvT0_"(%class.anon* byval(%class.anon) align 1 %kernelFunc) {
338468e674SAndrey Tretyakoventry:
348468e674SAndrey Tretyakov  call spir_func void @"_ZZ4mainENK3$_0clEv"(%class.anon* %kernelFunc)
358468e674SAndrey Tretyakov  ret void
368468e674SAndrey Tretyakov}
378468e674SAndrey Tretyakov
388468e674SAndrey Tretyakovdefine internal spir_func void @"_ZZ4mainENK3$_0clEv"(%class.anon* %this) align 2 {
398468e674SAndrey Tretyakoventry:
408468e674SAndrey Tretyakov  %this.addr = alloca %class.anon*, align 8
418468e674SAndrey Tretyakov  %a = alloca i32, align 4
428468e674SAndrey Tretyakov  store %class.anon* %this, %class.anon** %this.addr, align 8
438468e674SAndrey Tretyakov  %this1 = load %class.anon*, %class.anon** %this.addr, align 8
448468e674SAndrey Tretyakov  %0 = bitcast i32* %a to i8*
458468e674SAndrey Tretyakov  call void @llvm.lifetime.start.p0i8(i64 4, i8* %0)
468468e674SAndrey Tretyakov  store i32 1, i32* %a, align 4
478468e674SAndrey Tretyakov  %1 = load i32, i32* %a, align 4
488468e674SAndrey Tretyakov  call spir_func void @_Z3fooi(i32 %1)
498468e674SAndrey Tretyakov  %2 = bitcast i32* %a to i8*
508468e674SAndrey Tretyakov  call void @llvm.lifetime.end.p0i8(i64 4, i8* %2)
518468e674SAndrey Tretyakov  ret void
528468e674SAndrey Tretyakov}
538468e674SAndrey Tretyakov
548468e674SAndrey Tretyakovdeclare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture)
558468e674SAndrey Tretyakov
568468e674SAndrey Tretyakovdeclare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
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