derek.holloway
7502bf64a4
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366 lines
11 KiB
ArmAsm
366 lines
11 KiB
ArmAsm
// RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -u - | FileCheck %s
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// CHECK: UnwindInformation [
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.text
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single_epilog_atend:
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.seh_proc stack_alloc_no_pushes
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.seh_unwindversion 2
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subq $40, %rsp
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.seh_stackalloc 40
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.seh_endprologue
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callq a
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nop
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.seh_startepilogue
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addq $40, %rsp
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.seh_unwindv2start
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.seh_endepilogue
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retq
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.seh_endproc
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// CHECK-LABEL: StartAddress: single_epilog_atend
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// CHECK-NEXT: EndAddress: single_epilog_atend +0xF
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// CHECK-NEXT: UnwindInfoAddress: .xdata
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// CHECK-NEXT: UnwindInfo {
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// CHECK-NEXT: Version: 2
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// CHECK-NEXT: Flags [ (0x0)
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// CHECK-NEXT: ]
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// CHECK-NEXT: PrologSize: 4
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// CHECK-NEXT: FrameRegister: -
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// CHECK-NEXT: FrameOffset: -
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// CHECK-NEXT: UnwindCodeCount: 3
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// CHECK-NEXT: UnwindCodes [
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// CHECK-NEXT: 0x01: EPILOG atend=yes, length=0x1
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// CHECK-NEXT: 0x00: EPILOG padding
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// CHECK-NEXT: 0x04: ALLOC_SMALL size=40
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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single_epilog_notatend:
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.seh_proc stack_alloc_no_pushes
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.seh_unwindversion 2
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subq $40, %rsp
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.seh_stackalloc 40
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.seh_endprologue
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callq a
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nop
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.seh_startepilogue
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addq $40, %rsp
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.seh_unwindv2start
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.seh_endepilogue
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retq
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nop
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.seh_endproc
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// CHECK-LABEL: StartAddress: single_epilog_notatend
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// CHECK-NEXT: EndAddress: single_epilog_notatend +0x10
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// CHECK-NEXT: UnwindInfoAddress: .xdata +0xC
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// CHECK-NEXT: UnwindInfo {
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// CHECK-NEXT: Version: 2
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// CHECK-NEXT: Flags [ (0x0)
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// CHECK-NEXT: ]
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// CHECK-NEXT: PrologSize: 4
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// CHECK-NEXT: FrameRegister: -
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// CHECK-NEXT: FrameOffset: -
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// CHECK-NEXT: UnwindCodeCount: 3
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// CHECK-NEXT: UnwindCodes [
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// CHECK-NEXT: 0x01: EPILOG atend=no, length=0x1
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// CHECK-NEXT: 0x02: EPILOG offset=0x2
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// CHECK-NEXT: 0x04: ALLOC_SMALL size=40
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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multiple_epilogs:
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.seh_proc multiple_epilogs
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.seh_unwindversion 2
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subq $40, %rsp
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.seh_stackalloc 40
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.seh_endprologue
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callq c
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testl %eax, %eax
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jle .L_ELSE_1
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movl %eax, %ecx
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.seh_startepilogue
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addq $40, %rsp
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.seh_unwindv2start
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.seh_endepilogue
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jmp c
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.L_ELSE_1:
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nop
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.seh_startepilogue
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addq $40, %rsp
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.seh_unwindv2start
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.seh_endepilogue
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jmp b
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.seh_endproc
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// CHECK-LABEL: StartAddress: multiple_epilogs
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// CHECK-NEXT: EndAddress: multiple_epilogs +0x22
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// CHECK-NEXT: UnwindInfoAddress: .xdata +0x18
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// CHECK-NEXT: UnwindInfo {
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// CHECK-NEXT: Version: 2
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// CHECK-NEXT: Flags [ (0x0)
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// CHECK-NEXT: ]
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// CHECK-NEXT: PrologSize: 4
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// CHECK-NEXT: FrameRegister: -
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// CHECK-NEXT: FrameOffset: -
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// CHECK-NEXT: UnwindCodeCount: 5
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// CHECK-NEXT: UnwindCodes [
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// CHECK-NEXT: 0x01: EPILOG atend=no, length=0x1
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// CHECK-NEXT: 0x05: EPILOG offset=0x5
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// CHECK-NEXT: 0x0F: EPILOG offset=0xF
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// CHECK-NEXT: 0x00: EPILOG padding
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// CHECK-NEXT: 0x04: ALLOC_SMALL size=40
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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mismatched_terminators:
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.seh_proc mismatched_terminators
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.seh_unwindversion 2
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subq $40, %rsp
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.seh_stackalloc 40
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.seh_endprologue
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callq b
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testl %eax, %eax
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jle .L_ELSE_1
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# %bb.2:
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.seh_startepilogue
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addq $40, %rsp
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.seh_unwindv2start
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.seh_endepilogue
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jmp b
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.L_ELSE_2:
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nop
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.seh_startepilogue
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addq $40, %rsp
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.seh_unwindv2start
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.seh_endepilogue
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retq
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.seh_endproc
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// CHECK-LABEL: StartAddress: mismatched_terminators
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// CHECK-NEXT: EndAddress: mismatched_terminators +0x1C
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// CHECK-NEXT: UnwindInfoAddress: .xdata +0x28
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// CHECK-NEXT: UnwindInfo {
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// CHECK-NEXT: Version: 2
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// CHECK-NEXT: Flags [ (0x0)
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// CHECK-NEXT: ]
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// CHECK-NEXT: PrologSize: 4
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// CHECK-NEXT: FrameRegister: -
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// CHECK-NEXT: FrameOffset: -
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// CHECK-NEXT: UnwindCodeCount: 3
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// CHECK-NEXT: UnwindCodes [
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// CHECK-NEXT: 0x01: EPILOG atend=yes, length=0x1
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// CHECK-NEXT: 0x0B: EPILOG offset=0xB
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// CHECK-NEXT: 0x04: ALLOC_SMALL size=40
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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chained:
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.seh_proc chained
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.seh_unwindversion 2
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subq $40, %rsp
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.seh_stackalloc 40
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.seh_endprologue
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callq c
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testl %eax, %eax
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jle .L_ELSE_3
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movl %eax, %ecx
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.seh_startepilogue
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addq $40, %rsp
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.seh_unwindv2start
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.seh_endepilogue
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jmp c
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.seh_splitchained
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.seh_endprologue
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.L_ELSE_3:
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nop
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.seh_startepilogue
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addq $40, %rsp
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.seh_unwindv2start
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.seh_endepilogue
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jmp b
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.seh_endproc
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// CHECK: RuntimeFunction {
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// CHECK-NEXT: StartAddress: chained (0x30)
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// CHECK-NEXT: EndAddress: chained [[EndDisp1:\+0x[A-F0-9]+]] (0x34)
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// CHECK-NEXT: UnwindInfoAddress: .xdata [[InfoDisp1:\+0x[A-F0-9]+]] (0x38)
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// CHECK-NEXT: UnwindInfo {
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// CHECK-NEXT: Version: 2
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// CHECK-NEXT: Flags [ (0x0)
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// CHECK-NEXT: ]
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// CHECK-NEXT: PrologSize: 4
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// CHECK-NEXT: FrameRegister: -
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// CHECK-NEXT: FrameOffset: -
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// CHECK-NEXT: UnwindCodeCount: 3
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// CHECK-NEXT: UnwindCodes [
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// CHECK-NEXT: 0x01: EPILOG atend=no, length=0x1
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// CHECK-NEXT: 0x05: EPILOG offset=0x5
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// CHECK-NEXT: 0x04: ALLOC_SMALL size=40
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: RuntimeFunction {
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// CHECK-NEXT: StartAddress: chained [[EndDisp1]] (0x3C)
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// CHECK-NEXT: EndAddress: chained +0x22 (0x40)
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// CHECK-NEXT: UnwindInfoAddress: .xdata +0x40 (0x44)
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// CHECK-NEXT: UnwindInfo {
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// CHECK-NEXT: Version: 2
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// CHECK-NEXT: Flags [ (0x4)
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// CHECK-NEXT: ChainInfo (0x4)
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// CHECK-NEXT: ]
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// CHECK-NEXT: PrologSize: 0
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// CHECK-NEXT: FrameRegister: -
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// CHECK-NEXT: FrameOffset: -
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// CHECK-NEXT: UnwindCodeCount: 2
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// CHECK-NEXT: UnwindCodes [
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// CHECK-NEXT: 0x01: EPILOG atend=no, length=0x1
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// CHECK-NEXT: 0x05: EPILOG offset=0x5
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// CHECK-NEXT: ]
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// CHECK-NEXT: Chained {
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// CHECK-NEXT: StartAddress: chained (0x48)
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// CHECK-NEXT: EndAddress: chained [[EndDisp1]] (0x4C)
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// CHECK-NEXT: UnwindInfoAddress: .xdata [[InfoDisp1]] (0x50)
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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has_ex_handler_data:
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.seh_proc has_ex_handler_data
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.seh_handler __C_specific_handler, @unwind, @except
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.seh_unwindversion 2
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pushq %rbp
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.seh_pushreg %rbp
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subq $32, %rsp
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.seh_stackalloc 32
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leaq 32(%rsp), %rbp
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.seh_setframe %rbp, 32
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.seh_endprologue
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.has_ex_handler_data_callsite:
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callq *__imp_callme(%rip)
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nop
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.has_ex_handler_data_finish:
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.seh_startepilogue
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addq $32, %rsp
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.seh_unwindv2start
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popq %rbp
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.seh_endepilogue
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retq
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.has_ex_handler_data_handler:
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jmp .has_ex_handler_data_finish
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.seh_handlerdata
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.long 1 # Number of call sites
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.long .has_ex_handler_data_callsite@IMGREL # LabelStart
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.long .has_ex_handler_data_finish@IMGREL # LabelEnd
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.long 1 # CatchAll
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.long .has_ex_handler_data_handler@IMGREL # ExceptionHandler
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.text
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.seh_endproc
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// CHECK-LABEL: StartAddress: has_ex_handler_data
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// CHECK-NEXT: EndAddress: .has_ex_handler_data_handler +0x2
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// CHECK-NEXT: UnwindInfoAddress: .xdata +0x54
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// CHECK-NEXT: UnwindInfo {
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// CHECK-NEXT: Version: 2
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// CHECK-NEXT: Flags [ (0x3)
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// CHECK-NEXT: ExceptionHandler (0x1)
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// CHECK-NEXT: TerminateHandler (0x2)
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// CHECK-NEXT: ]
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// CHECK-NEXT: PrologSize: 10
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// CHECK-NEXT: FrameRegister: RBP
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// CHECK-NEXT: FrameOffset: 0x2
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// CHECK-NEXT: UnwindCodeCount: 5
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// CHECK-NEXT: UnwindCodes [
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// CHECK-NEXT: 0x02: EPILOG atend=no, length=0x2
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// CHECK-NEXT: 0x04: EPILOG offset=0x4
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// CHECK-NEXT: 0x0A: SET_FPREG reg=RBP, offset=0x20
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// CHECK-NEXT: 0x05: ALLOC_SMALL size=32
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// CHECK-NEXT: 0x01: PUSH_NONVOL reg=RBP
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// CHECK-NEXT: ]
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// CHECK-NEXT: Handler: __C_specific_handler
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// CHECK-NEXT: }
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has_ex_handler_data_and_chaining:
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.seh_proc chained
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.seh_handler __C_specific_handler, @unwind, @except
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.seh_unwindversion 2
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subq $40, %rsp
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.seh_stackalloc 40
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.seh_endprologue
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callq c
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testl %eax, %eax
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jle .L_ELSE_4
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.has_ex_handler_data_and_chaining_callsite:
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callq *__imp_callme(%rip)
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nop
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.has_ex_handler_data_and_chaining_finish:
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movl %eax, %ecx
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.seh_startepilogue
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addq $40, %rsp
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.seh_unwindv2start
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.seh_endepilogue
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jmp c
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.seh_splitchained
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.seh_endprologue
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.L_ELSE_4:
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nop
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.seh_startepilogue
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addq $40, %rsp
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.seh_unwindv2start
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.seh_endepilogue
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jmp b
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.has_ex_handler_data_and_chaining_handler:
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jmp .has_ex_handler_data_and_chaining_finish
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.seh_handlerdata
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.long 1 # Number of call sites
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.long .has_ex_handler_data_and_chaining_callsite@IMGREL # LabelStart
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.long .has_ex_handler_data_and_chaining_finish@IMGREL # LabelEnd
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.long 1 # CatchAll
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.long .has_ex_handler_data_and_chaining_handler@IMGREL # ExceptionHandler
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.text
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.seh_endproc
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// CHECK: RuntimeFunction {
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// CHECK-NEXT: StartAddress: has_ex_handler_data_and_chaining (0x54)
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// CHECK-NEXT: EndAddress: .has_ex_handler_data_and_chaining_finish [[EndDisp2:\+0x[A-F0-9]+]] (0x58)
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// CHECK-NEXT: UnwindInfoAddress: .xdata [[InfoDisp2:\+0x[A-F0-9]+]] (0x5C)
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// CHECK-NEXT: UnwindInfo {
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// CHECK-NEXT: Version: 2
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// CHECK-NEXT: Flags [ (0x3)
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// CHECK-NEXT: ExceptionHandler (0x1)
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// CHECK-NEXT: TerminateHandler (0x2)
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// CHECK-NEXT: ]
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// CHECK-NEXT: PrologSize: 4
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// CHECK-NEXT: FrameRegister: -
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// CHECK-NEXT: FrameOffset: -
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// CHECK-NEXT: UnwindCodeCount: 3
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// CHECK-NEXT: UnwindCodes [
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// CHECK-NEXT: 0x01: EPILOG atend=no, length=0x1
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// CHECK-NEXT: 0x05: EPILOG offset=0x5
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// CHECK-NEXT: 0x04: ALLOC_SMALL size=40
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// CHECK-NEXT: ]
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// CHECK-NEXT: Handler: __C_specific_handler
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: RuntimeFunction {
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// CHECK-NEXT: StartAddress: .has_ex_handler_data_and_chaining_finish [[EndDisp2]] (0x60)
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// CHECK-NEXT: EndAddress: .has_ex_handler_data_and_chaining_handler +0x2 (0x64)
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// CHECK-NEXT: UnwindInfoAddress: .xdata +0xA0 (0x68)
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// CHECK-NEXT: UnwindInfo {
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// CHECK-NEXT: Version: 2
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// CHECK-NEXT: Flags [ (0x4)
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// CHECK-NEXT: ChainInfo (0x4)
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// CHECK-NEXT: ]
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// CHECK-NEXT: PrologSize: 0
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// CHECK-NEXT: FrameRegister: -
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// CHECK-NEXT: FrameOffset: -
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// CHECK-NEXT: UnwindCodeCount: 2
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// CHECK-NEXT: UnwindCodes [
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// CHECK-NEXT: 0x01: EPILOG atend=no, length=0x1
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// CHECK-NEXT: 0x07: EPILOG offset=0x7
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// CHECK-NEXT: ]
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// CHECK-NEXT: Chained {
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// CHECK-NEXT: StartAddress: has_ex_handler_data_and_chaining (0xA8)
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// CHECK-NEXT: EndAddress: .has_ex_handler_data_and_chaining_finish [[EndDisp2]] (0xAC)
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// CHECK-NEXT: UnwindInfoAddress: .xdata [[InfoDisp2]] (0xB0)
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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