1 ; RUN: llc %s -o - | FileCheck %s
2 target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128"
3 target triple = "i386-apple-macosx10.5"
5 ; Check that the merging of SP updates, when LEAs are involved, happen
8 ; CHECK: calll _realloc
9 ; Make sure that the offset we get here is 8 + 16.
10 ; We used to have 8 + 1 because we were not reading the right immediate form
11 ; the LEA instruction.
12 ; CHECK-NEXT: leal 24(%esp), %esp
13 define noalias i8* @useLEA(i8* nocapture %p, i32 %nbytes) #0 {
15 %cmp = icmp slt i32 %nbytes, 0
16 br i1 %cmp, label %cond.end.3, label %cond.false
18 cond.false: ; preds = %entry
19 %tobool = icmp ne i32 %nbytes, 0
20 %cond = select i1 %tobool, i32 %nbytes, i32 1
21 %call = tail call i8* @realloc(i8* %p, i32 %cond)
24 cond.end.3: ; preds = %entry, %cond.false
25 %cond4 = phi i8* [ %call, %cond.false ], [ null, %entry ]
29 ; Function Attrs: nounwind optsize
30 declare noalias i8* @realloc(i8* nocapture, i32)
32 attributes #0 = { nounwind optsize ssp "disable-tail-calls"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "target-features"="+lea-sp" }