llvm-project

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# RUN: not --crash llc -o - -start-before=twoaddressinstruction -verify-machineinstrs %s 2>&1 \
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# RUN:   | FileCheck %s
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# REQUIRES: aarch64-registered-target
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--- |
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  target triple = "aarch64-unknown-linux"
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  declare i32 @bar(i32) nounwind
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  define i32 @foo() nounwind {
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    call i32 @bar(i32 0)
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    ret i32 0
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  }
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...
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---
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name: foo
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registers:
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  - { id: 0, class: gpr32 }
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body: |
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  bb.0 (%ir-block.0):
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    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
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    %0 = COPY $wzr
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    $w0 = COPY %0
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    BL @bar, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0
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    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
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    $w0 = COPY killed %0
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    RET_ReallyLR implicit $w0
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...
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# CHECK-LABEL: Bad machine code: AdjustsStack not set in presence of a frame pseudo instruction.
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