diff options
Diffstat (limited to 'test/CodeGen/X86/pr12889.ll')
| -rw-r--r-- | test/CodeGen/X86/pr12889.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr12889.ll b/test/CodeGen/X86/pr12889.ll new file mode 100644 index 0000000000..331d8f907d --- /dev/null +++ b/test/CodeGen/X86/pr12889.ll @@ -0,0 +1,18 @@ +; RUN: llc < %s -march=x86 +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-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +@c0 = common global i8 0, align 1 + +define void @func() nounwind uwtable { +entry: + %0 = load i8* @c0, align 1, !tbaa !0 + %tobool = icmp ne i8 %0, 0 + %conv = zext i1 %tobool to i8 + %storemerge = shl nuw nsw i8 %conv, %conv + store i8 %storemerge, i8* @c0, align 1 + ret void +} + +!0 = metadata !{metadata !"omnipotent char", metadata !1} +!1 = metadata !{metadata !"Simple C/C++ TBAA"} |