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; rdar://8465407
; RUN: llc < %s -mtriple=thumbv7-apple-ios -arm-atomic-cfg-tidy=0 | FileCheck %s
%struct.buf = type opaque
declare void @bar() nounwind optsize
define void @foo() nounwind optsize "no-frame-pointer-elim"="true" {
; CHECK-LABEL: foo:
; CHECK: push
; CHECK: add r7, sp
; CHECK: sub sp, #4
entry:
%m.i = alloca %struct.buf*, align 4
br label %bb
bb:
br i1 undef, label %bb3, label %bb2
bb2:
call void @bar() nounwind optsize
br i1 undef, label %bb, label %bb3
bb3:
br i1 undef, label %return, label %bb
return:
; CHECK: %bb3
; 'mov sp, r7' would have left sp in an invalid state
; CHECK-NOT: mov sp, r7
; CHECK-NOT: sub, sp, #4
; CHECK: add sp, #4
ret void
}
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