diff options
Diffstat (limited to 'llvm/test/tools')
| -rw-r--r-- | llvm/test/tools/dxil-dis/lifetimes.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/tools/dxil-dis/lifetimes.ll b/llvm/test/tools/dxil-dis/lifetimes.ll new file mode 100644 index 0000000..cb3e629 --- /dev/null +++ b/llvm/test/tools/dxil-dis/lifetimes.ll @@ -0,0 +1,38 @@ +; RUN: llc --filetype=obj %s -o - | dxil-dis -o - | FileCheck %s +target triple = "dxil-unknown-shadermodel6.7-library" + +define void @test_lifetimes() { +; CHECK-LABEL: test_lifetimes +; CHECK-NEXT: [[ALLOCA:%.*]] = alloca [2 x i32], align 4 +; CHECK-NEXT: [[GEP:%.*]] = getelementptr [2 x i32], [2 x i32]* [[ALLOCA]], i32 0, i32 0 +; CHECK-NEXT: [[BITCAST:%.*]] = bitcast [2 x i32]* [[ALLOCA]] to i8* +; CHECK-NEXT: call void @llvm.lifetime.start(i64 4, i8* nonnull [[BITCAST]]) +; CHECK-NEXT: store i32 0, i32* [[GEP]], align 4 +; CHECK-NEXT: [[BITCAST:%.*]] = bitcast [2 x i32]* [[ALLOCA]] to i8* +; CHECK-NEXT: call void @llvm.lifetime.end(i64 4, i8* nonnull [[BITCAST]]) +; CHECK-NEXT: ret void +; + %a = alloca [2 x i32], align 4 + %gep = getelementptr [2 x i32], ptr %a, i32 0, i32 0 + call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %a) + store i32 0, ptr %gep, align 4 + call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %a) + ret void +} + +; CHECK-DAG: attributes [[LIFETIME_ATTRS:#.*]] = { nounwind } + +; CHECK-DAG: ; Function Attrs: nounwind +; CHECK-DAG: declare void @llvm.lifetime.start(i64, i8* nocapture) [[LIFETIME_ATTRS]] + +; CHECK-DAG: ; Function Attrs: nounwind +; CHECK-DAG: declare void @llvm.lifetime.end(i64, i8* nocapture) [[LIFETIME_ATTRS]] + +; Function Attrs: nounwind memory(argmem: readwrite) +declare void @llvm.lifetime.end.p0(i64, ptr) #0 + +; Function Attrs: nounwind memory(argmem: readwrite) +declare void @llvm.lifetime.start.p0(i64, ptr) #0 + +attributes #0 = { nounwind memory(argmem: readwrite) } + |