diff options
| -rw-r--r-- | test/CodeGen/Mips/zeroreg.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/zeroreg.ll b/test/CodeGen/Mips/zeroreg.ll new file mode 100644 index 0000000000..b890e1dba9 --- /dev/null +++ b/test/CodeGen/Mips/zeroreg.ll @@ -0,0 +1,27 @@ +; RUN: llc < %s -march=mipsel | FileCheck %s + +@g1 = external global i32 + +define i32 @foo0(i32 %s) nounwind readonly { +entry: +; CHECK-NOT: addiu +; CHECK: movn + %tobool = icmp ne i32 %s, 0 + %0 = load i32* @g1, align 4, !tbaa !0 + %cond = select i1 %tobool, i32 0, i32 %0 + ret i32 %cond +} + +define i32 @foo1(i32 %s) nounwind readonly { +entry: +; CHECK-NOT: addiu +; CHECK: movz + %tobool = icmp ne i32 %s, 0 + %0 = load i32* @g1, align 4, !tbaa !0 + %cond = select i1 %tobool, i32 %0, i32 0 + ret i32 %cond +} + +!0 = metadata !{metadata !"int", metadata !1} +!1 = metadata !{metadata !"omnipotent char", metadata !2} +!2 = metadata !{metadata !"Simple C/C++ TBAA", null} |