diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/ARM/peephole-bitcast.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/peephole-bitcast.ll b/test/CodeGen/ARM/peephole-bitcast.ll new file mode 100644 index 0000000..8d95d75 --- /dev/null +++ b/test/CodeGen/ARM/peephole-bitcast.ll @@ -0,0 +1,23 @@ +; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s + +; vmov s0, r0 + vmov r0, s0 should have been optimized away. +; rdar://9104514 + +define void @t(float %x) nounwind ssp { +entry: +; CHECK: t: +; CHECK-NOT: vmov +; CHECK: bl + %0 = bitcast float %x to i32 + %cmp = icmp ult i32 %0, 2139095039 + br i1 %cmp, label %if.then, label %if.end + +if.then: ; preds = %entry + tail call void @doSomething(float %x) nounwind + br label %if.end + +if.end: ; preds = %if.then, %entry + ret void +} + +declare void @doSomething(float) |