; 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 "frame-pointer"="all" { ; 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 }