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