diff options
Diffstat (limited to 'llvm/test/Transforms/GVN/readattrs.ll')
| -rw-r--r-- | llvm/test/Transforms/GVN/readattrs.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/Transforms/GVN/readattrs.ll b/llvm/test/Transforms/GVN/readattrs.ll new file mode 100644 index 00000000000..fb36d07c86e --- /dev/null +++ b/llvm/test/Transforms/GVN/readattrs.ll @@ -0,0 +1,17 @@ +; RUN: opt -gvn -S -o - < %s | FileCheck %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" +target triple = "x86_64-unknown-linux-gnu" + +declare void @use(i8* readonly nocapture) + +define i8 @test() { + %a = alloca i8 + store i8 1, i8* %a + call void @use(i8* %a) + %b = load i8, i8* %a + ret i8 %b +; CHECK-LABEL: define i8 @test( +; CHECK: call void @use(i8* %a) +; CHECK-NEXT: ret i8 1 +} |
