| ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s |
| |
| ; Overly aggressive LICM simply adds copies of constants |
| ; rdar://9266679 |
| |
| define zeroext i1 @t(i32* nocapture %A, i32 %size, i32 %value) nounwind readonly ssp { |
| ; CHECK-LABEL: t: |
| entry: |
| br label %for.cond |
| |
| for.cond: |
| %0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] |
| %cmp = icmp ult i32 %0, %size |
| br i1 %cmp, label %for.body, label %return |
| |
| for.body: |
| ; CHECK: %for. |
| ; CHECK: mov{{.*}} r{{[0-9]+}}, #{{[01]}} |
| ; CHECK: mov{{.*}} r{{[0-9]+}}, #{{[01]}} |
| ; CHECK-NOT: mov r{{[0-9]+}}, #{{[01]}} |
| %arrayidx = getelementptr i32, i32* %A, i32 %0 |
| %tmp4 = load i32, i32* %arrayidx, align 4 |
| %cmp6 = icmp eq i32 %tmp4, %value |
| br i1 %cmp6, label %return, label %for.inc |
| |
| for.inc: |
| %inc = add i32 %0, 1 |
| br label %for.cond |
| |
| return: |
| %retval.0 = phi i1 [ true, %for.body ], [ false, %for.cond ] |
| ret i1 %retval.0 |
| } |