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" 4 5 ; Check that the merging of SP updates, when LEAs are involved, happen 6 ; correctly. 7 ; CHECK-LABEL: useLEA: 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 { 14 entry: 15 %cmp = icmp slt i32 %nbytes, 0 16 br i1 %cmp, label %cond.end.3, label %cond.false 17 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) 22 br label %cond.end.3 23 24 cond.end.3: ; preds = %entry, %cond.false 25 %cond4 = phi i8* [ %call, %cond.false ], [ null, %entry ] 26 ret i8* %cond4 27 } 28 29 ; Function Attrs: nounwind optsize 30 declare noalias i8* @realloc(i8* nocapture, i32) 31 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" } 33
