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| author | Dimitry Andric <dim@FreeBSD.org> | 2013-04-08 18:41:23 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2013-04-08 18:41:23 +0000 |
| commit | 4a16efa3e43e35f0cc9efe3a67f620f0017c3d36 (patch) | |
| tree | 06099edc18d30894081a822b756f117cbe0b8207 /test/CodeGen/ARM/extload-knownzero.ll | |
| parent | 482e7bddf617ae804dc47133cb07eb4aa81e45de (diff) | |
Notes
Diffstat (limited to 'test/CodeGen/ARM/extload-knownzero.ll')
| -rw-r--r-- | test/CodeGen/ARM/extload-knownzero.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/extload-knownzero.ll b/test/CodeGen/ARM/extload-knownzero.ll new file mode 100644 index 000000000000..8fd6b6bd777a --- /dev/null +++ b/test/CodeGen/ARM/extload-knownzero.ll @@ -0,0 +1,26 @@ +; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s +; rdar://12771555 + +define void @foo(i16* %ptr, i32 %a) nounwind { +entry: +; CHECK: foo: + %tmp1 = icmp ult i32 %a, 100 + br i1 %tmp1, label %bb1, label %bb2 +bb1: +; CHECK: ldrh + %tmp2 = load i16* %ptr, align 2 + br label %bb2 +bb2: +; CHECK-NOT: uxth +; CHECK: cmp + %tmp3 = phi i16 [ 0, %entry ], [ %tmp2, %bb1 ] + %cmp = icmp ult i16 %tmp3, 24 + br i1 %cmp, label %bb3, label %exit +bb3: + call void @bar() nounwind + br label %exit +exit: + ret void +} + +declare void @bar () |