| ; RUN: llc %s -o - | FileCheck %s |
| target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128" |
| target triple = "i386-apple-macosx10.5" |
| |
| ; Check that the merging of SP updates, when LEAs are involved, happen |
| ; correctly. |
| ; CHECK-LABEL: useLEA: |
| ; CHECK: calll _realloc |
| ; Make sure that the offset we get here is 8 + 16. |
| ; We used to have 8 + 1 because we were not reading the right immediate form |
| ; the LEA instruction. |
| ; CHECK-NEXT: leal 24(%esp), %esp |
| define noalias i8* @useLEA(i8* nocapture %p, i32 %nbytes) #0 { |
| entry: |
| %cmp = icmp slt i32 %nbytes, 0 |
| br i1 %cmp, label %cond.end.3, label %cond.false |
| |
| cond.false: ; preds = %entry |
| %tobool = icmp ne i32 %nbytes, 0 |
| %cond = select i1 %tobool, i32 %nbytes, i32 1 |
| %call = tail call i8* @realloc(i8* %p, i32 %cond) |
| br label %cond.end.3 |
| |
| cond.end.3: ; preds = %entry, %cond.false |
| %cond4 = phi i8* [ %call, %cond.false ], [ null, %entry ] |
| ret i8* %cond4 |
| } |
| |
| ; Function Attrs: nounwind optsize |
| declare noalias i8* @realloc(i8* nocapture, i32) |
| |
| attributes #0 = { nounwind optsize ssp "disable-tail-calls"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "target-features"="+lea-sp" } |
