91 lines
3.4 KiB
Plaintext
91 lines
3.4 KiB
Plaintext
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=x86_64-apple-unknown -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s
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# Outlining CFI instructions is unsafe if we cannot outline all of the CFI
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# instructions from a function. This shows that we choose not to outline the
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# CFI instructions since function foo has a CFI Instruction that would not
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# be caught.
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--- |
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define void @foo() #0 { ret void }
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define void @bar() #0 { ret void }
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define void @baz() #0 { ret void }
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attributes #0 = { noredzone }
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...
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---
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name: foo
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tracksRegLiveness: true
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body: |
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bb.0:
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; CHECK-LABEL: name: foo
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; CHECK: CFI_INSTRUCTION def_cfa_offset 16
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; CHECK: CFI_INSTRUCTION offset $rbp, -16
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; CHECK: CFI_INSTRUCTION def_cfa_register $rbp
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; CHECK: CALL64pcrel32 @OUTLINED_FUNCTION_1, implicit $rsp, implicit $ssp, implicit-def $eax, implicit-def $ebx, implicit-def $ecx, implicit $rsp, implicit $ssp
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; CHECK: CFI_INSTRUCTION def_cfa_offset 16
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; CHECK: CFI_INSTRUCTION offset $rbp, -16
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; CHECK: CFI_INSTRUCTION def_cfa_register $rsp
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; CHECK: TAILJMPd64 @OUTLINED_FUNCTION_0, implicit $rsp, implicit $ssp, implicit-def $eax, implicit-def $edi, implicit-def $edx, implicit-def $esi, implicit $rsp, implicit $ssp
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CFI_INSTRUCTION def_cfa_offset 16
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CFI_INSTRUCTION offset $rbp, -16
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CFI_INSTRUCTION def_cfa_register $rbp
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$eax = MOV32ri 1
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$ebx = MOV32ri 2
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$ecx = MOV32ri 3
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CFI_INSTRUCTION def_cfa_offset 16
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CFI_INSTRUCTION offset $rbp, -16
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CFI_INSTRUCTION def_cfa_register $rsp
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$esi = MOV32ri 1
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$edx = MOV32ri 2
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$edi = MOV32ri 3
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$eax = MOV32ri 4
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RETQ
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...
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---
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name: bar
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tracksRegLiveness: true
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body: |
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bb.0:
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;liveins: $lr
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; CHECK-LABEL: name: bar
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; CHECK: CALL64pcrel32 @OUTLINED_FUNCTION_1, implicit $rsp, implicit $ssp, implicit-def $eax, implicit-def $ebx, implicit-def $ecx, implicit $rsp, implicit $ssp
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; CHECK: CFI_INSTRUCTION def_cfa_offset 16
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; CHECK: CFI_INSTRUCTION offset $rbp, -16
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; CHECK: CFI_INSTRUCTION def_cfa_register $rsp
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; CHECK: TAILJMPd64 @OUTLINED_FUNCTION_0, implicit $rsp, implicit $ssp, implicit-def $eax, implicit-def $edi, implicit-def $edx, implicit-def $esi, implicit $rsp, implicit $ssp
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$eax = MOV32ri 1
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$ebx = MOV32ri 2
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$ecx = MOV32ri 3
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CFI_INSTRUCTION def_cfa_offset 16
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CFI_INSTRUCTION offset $rbp, -16
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CFI_INSTRUCTION def_cfa_register $rsp
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$esi = MOV32ri 1
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$edx = MOV32ri 2
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$edi = MOV32ri 3
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$eax = MOV32ri 4
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RETQ
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...
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---
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name: baz
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tracksRegLiveness: true
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body: |
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bb.0:
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;liveins: $lr
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; CHECK-LABEL: name: baz
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; CHECK: CALL64pcrel32 @OUTLINED_FUNCTION_1, implicit $rsp, implicit $ssp, implicit-def $eax, implicit-def $ebx, implicit-def $ecx, implicit $rsp, implicit $ssp
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; CHECK: CFI_INSTRUCTION def_cfa_offset 16
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; CHECK: CFI_INSTRUCTION offset $rbp, -16
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; CHECK: CFI_INSTRUCTION def_cfa_register $rsp
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; CHECK: TAILJMPd64 @OUTLINED_FUNCTION_0, implicit $rsp, implicit $ssp, implicit-def $eax, implicit-def $edi, implicit-def $edx, implicit-def $esi, implicit $rsp, implicit $ssp
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$eax = MOV32ri 1
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$ebx = MOV32ri 2
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$ecx = MOV32ri 3
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CFI_INSTRUCTION def_cfa_offset 16
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CFI_INSTRUCTION offset $rbp, -16
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CFI_INSTRUCTION def_cfa_register $rsp
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$esi = MOV32ri 1
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$edx = MOV32ri 2
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$edi = MOV32ri 3
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$eax = MOV32ri 4
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RETQ
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