36c64af9d7
If we are going to write handler data (that is written as variable length data following after the unwind info in .xdata), we need to emit the handler data immediately, but for cases where no such info is going to be written, skip emitting it right away. (Unwind info for all remaining functions that hasn't gotten it emitted directly is emitted at the end.) This does slightly change the ordering of sections (triggering a bunch of updates to DebugInfo/COFF tests), but the change should be benign. This also matches GCC's assembly output, which doesn't output .seh_handlerdata unless it actually is needed. For ARM64, the unwind info can be packed into the runtime function entry itself (leaving no data in the .xdata section at all), but that can only be done if there's no follow-on data in the .xdata section. If emission of the unwind info is triggered via EmitWinEHHandlerData (or the .seh_handlerdata directive), which implicitly switches to the .xdata section, there's a chance of the caller wanting to pass further data there, so the packed format can't be used in that case. Differential Revision: https://reviews.llvm.org/D87448
594 lines
28 KiB
LLVM
594 lines
28 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-linux -show-mc-encoding | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK32
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; RUN: llc < %s -mtriple=x86_64-linux -show-mc-encoding | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK64
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; RUN: llc < %s -mtriple=x86_64-win32 -show-mc-encoding | FileCheck %s --check-prefix=CHECK --check-prefix=WIN64
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declare void @foo()
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declare void @bar()
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define void @f(i32 %x, i32 %y) optsize {
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; CHECK32-LABEL: f:
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; CHECK32: # %bb.0: # %entry
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; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x04]
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; CHECK32-NEXT: cmpl {{[0-9]+}}(%esp), %eax # encoding: [0x3b,0x44,0x24,0x08]
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; CHECK32-NEXT: jne bar # TAILCALL
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; CHECK32-NEXT: # encoding: [0x75,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
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; CHECK32-NEXT: # %bb.1: # %bb1
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; CHECK32-NEXT: jmp foo # TAILCALL
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; CHECK32-NEXT: # encoding: [0xeb,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
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;
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; CHECK64-LABEL: f:
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; CHECK64: # %bb.0: # %entry
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; CHECK64-NEXT: cmpl %esi, %edi # encoding: [0x39,0xf7]
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; CHECK64-NEXT: jne bar # TAILCALL
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; CHECK64-NEXT: # encoding: [0x75,A]
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; CHECK64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
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; CHECK64-NEXT: # %bb.1: # %bb1
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; CHECK64-NEXT: jmp foo # TAILCALL
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; CHECK64-NEXT: # encoding: [0xeb,A]
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; CHECK64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
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;
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; WIN64-LABEL: f:
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; WIN64: # %bb.0: # %entry
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; WIN64-NEXT: cmpl %edx, %ecx # encoding: [0x39,0xd1]
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; WIN64-NEXT: jne bar # TAILCALL
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; WIN64-NEXT: # encoding: [0x75,A]
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; WIN64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
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; WIN64-NEXT: # %bb.1: # %bb1
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; WIN64-NEXT: jmp foo # TAILCALL
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; WIN64-NEXT: # encoding: [0xeb,A]
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; WIN64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
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entry:
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%p = icmp eq i32 %x, %y
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br i1 %p, label %bb1, label %bb2
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bb1:
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tail call void @foo()
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ret void
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bb2:
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tail call void @bar()
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ret void
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; Check that the asm doesn't just look good, but uses the correct encoding.
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}
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define void @f_non_leaf(i32 %x, i32 %y) optsize {
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; CHECK32-LABEL: f_non_leaf:
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; CHECK32: # %bb.0: # %entry
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; CHECK32-NEXT: pushl %ebx # encoding: [0x53]
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; CHECK32-NEXT: .cfi_def_cfa_offset 8
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; CHECK32-NEXT: .cfi_offset %ebx, -8
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; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x08]
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; CHECK32-NEXT: #APP
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; CHECK32-NEXT: #NO_APP
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; CHECK32-NEXT: cmpl {{[0-9]+}}(%esp), %eax # encoding: [0x3b,0x44,0x24,0x0c]
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; CHECK32-NEXT: jne .LBB1_2 # encoding: [0x75,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB1_2-1, kind: FK_PCRel_1
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; CHECK32-NEXT: # %bb.1: # %bb1
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; CHECK32-NEXT: popl %ebx # encoding: [0x5b]
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; CHECK32-NEXT: .cfi_def_cfa_offset 4
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; CHECK32-NEXT: jmp foo # TAILCALL
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; CHECK32-NEXT: # encoding: [0xeb,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
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; CHECK32-NEXT: .LBB1_2: # %bb2
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; CHECK32-NEXT: .cfi_def_cfa_offset 8
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; CHECK32-NEXT: popl %ebx # encoding: [0x5b]
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; CHECK32-NEXT: .cfi_def_cfa_offset 4
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; CHECK32-NEXT: jmp bar # TAILCALL
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; CHECK32-NEXT: # encoding: [0xeb,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
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;
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; CHECK64-LABEL: f_non_leaf:
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; CHECK64: # %bb.0: # %entry
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; CHECK64-NEXT: pushq %rbx # encoding: [0x53]
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; CHECK64-NEXT: .cfi_def_cfa_offset 16
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; CHECK64-NEXT: .cfi_offset %rbx, -16
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; CHECK64-NEXT: #APP
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; CHECK64-NEXT: #NO_APP
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; CHECK64-NEXT: cmpl %esi, %edi # encoding: [0x39,0xf7]
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; CHECK64-NEXT: jne .LBB1_2 # encoding: [0x75,A]
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; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB1_2-1, kind: FK_PCRel_1
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; CHECK64-NEXT: # %bb.1: # %bb1
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; CHECK64-NEXT: popq %rbx # encoding: [0x5b]
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; CHECK64-NEXT: .cfi_def_cfa_offset 8
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; CHECK64-NEXT: jmp foo # TAILCALL
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; CHECK64-NEXT: # encoding: [0xeb,A]
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; CHECK64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
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; CHECK64-NEXT: .LBB1_2: # %bb2
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; CHECK64-NEXT: .cfi_def_cfa_offset 16
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; CHECK64-NEXT: popq %rbx # encoding: [0x5b]
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; CHECK64-NEXT: .cfi_def_cfa_offset 8
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; CHECK64-NEXT: jmp bar # TAILCALL
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; CHECK64-NEXT: # encoding: [0xeb,A]
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; CHECK64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
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;
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; WIN64-LABEL: f_non_leaf:
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; WIN64: # %bb.0: # %entry
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; WIN64-NEXT: pushq %rbx # encoding: [0x53]
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; WIN64-NEXT: .seh_pushreg %rbx
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; WIN64-NEXT: .seh_endprologue
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; WIN64-NEXT: #APP
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; WIN64-NEXT: #NO_APP
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; WIN64-NEXT: cmpl %edx, %ecx # encoding: [0x39,0xd1]
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; WIN64-NEXT: jne .LBB1_2 # encoding: [0x75,A]
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; WIN64-NEXT: # fixup A - offset: 1, value: .LBB1_2-1, kind: FK_PCRel_1
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; WIN64-NEXT: # %bb.1: # %bb1
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; WIN64-NEXT: popq %rbx # encoding: [0x5b]
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; WIN64-NEXT: jmp foo # TAILCALL
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; WIN64-NEXT: # encoding: [0xeb,A]
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; WIN64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1
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; WIN64-NEXT: .LBB1_2: # %bb2
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; WIN64-NEXT: nop # encoding: [0x90]
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; WIN64-NEXT: popq %rbx # encoding: [0x5b]
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; WIN64-NEXT: jmp bar # TAILCALL
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; WIN64-NEXT: # encoding: [0xeb,A]
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; WIN64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1
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; WIN64-NEXT: .seh_endproc
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entry:
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; Force %ebx to be spilled on the stack, turning this into
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; not a "leaf" function for Win64.
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tail call void asm sideeffect "", "~{ebx}"()
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%p = icmp eq i32 %x, %y
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br i1 %p, label %bb1, label %bb2
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bb1:
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tail call void @foo()
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ret void
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bb2:
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tail call void @bar()
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ret void
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}
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declare x86_thiscallcc zeroext i1 @baz(i8*, i32)
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define x86_thiscallcc zeroext i1 @BlockPlacementTest(i8* %this, i32 %x) optsize {
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; CHECK32-LABEL: BlockPlacementTest:
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; CHECK32: # %bb.0: # %entry
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; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %edx # encoding: [0x8b,0x54,0x24,0x04]
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; CHECK32-NEXT: testb $42, %dl # encoding: [0xf6,0xc2,0x2a]
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; CHECK32-NEXT: je .LBB2_3 # encoding: [0x74,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB2_3-1, kind: FK_PCRel_1
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; CHECK32-NEXT: # %bb.1: # %land.rhs
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; CHECK32-NEXT: movb $1, %al # encoding: [0xb0,0x01]
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; CHECK32-NEXT: testb $44, %dl # encoding: [0xf6,0xc2,0x2c]
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; CHECK32-NEXT: je baz # TAILCALL
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; CHECK32-NEXT: # encoding: [0x74,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: baz-1, kind: FK_PCRel_1
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; CHECK32-NEXT: .LBB2_2: # %land.end
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; CHECK32-NEXT: # kill: def $al killed $al killed $eax
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; CHECK32-NEXT: retl $4 # encoding: [0xc2,0x04,0x00]
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; CHECK32-NEXT: .LBB2_3:
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; CHECK32-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
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; CHECK32-NEXT: jmp .LBB2_2 # encoding: [0xeb,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB2_2-1, kind: FK_PCRel_1
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;
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; CHECK64-LABEL: BlockPlacementTest:
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; CHECK64: # %bb.0: # %entry
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; CHECK64-NEXT: testb $42, %sil # encoding: [0x40,0xf6,0xc6,0x2a]
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; CHECK64-NEXT: je .LBB2_3 # encoding: [0x74,A]
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; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB2_3-1, kind: FK_PCRel_1
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; CHECK64-NEXT: # %bb.1: # %land.rhs
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; CHECK64-NEXT: movb $1, %al # encoding: [0xb0,0x01]
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; CHECK64-NEXT: testb $44, %sil # encoding: [0x40,0xf6,0xc6,0x2c]
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; CHECK64-NEXT: je baz # TAILCALL
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; CHECK64-NEXT: # encoding: [0x74,A]
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; CHECK64-NEXT: # fixup A - offset: 1, value: baz-1, kind: FK_PCRel_1
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; CHECK64-NEXT: .LBB2_2: # %land.end
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; CHECK64-NEXT: # kill: def $al killed $al killed $eax
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; CHECK64-NEXT: retq # encoding: [0xc3]
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; CHECK64-NEXT: .LBB2_3:
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; CHECK64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
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; CHECK64-NEXT: jmp .LBB2_2 # encoding: [0xeb,A]
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; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB2_2-1, kind: FK_PCRel_1
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;
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; WIN64-LABEL: BlockPlacementTest:
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; WIN64: # %bb.0: # %entry
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; WIN64-NEXT: testb $42, %dl # encoding: [0xf6,0xc2,0x2a]
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; WIN64-NEXT: je .LBB2_3 # encoding: [0x74,A]
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; WIN64-NEXT: # fixup A - offset: 1, value: .LBB2_3-1, kind: FK_PCRel_1
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; WIN64-NEXT: # %bb.1: # %land.rhs
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; WIN64-NEXT: movb $1, %al # encoding: [0xb0,0x01]
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; WIN64-NEXT: testb $44, %dl # encoding: [0xf6,0xc2,0x2c]
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; WIN64-NEXT: je baz # TAILCALL
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; WIN64-NEXT: # encoding: [0x74,A]
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; WIN64-NEXT: # fixup A - offset: 1, value: baz-1, kind: FK_PCRel_1
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; WIN64-NEXT: .LBB2_2: # %land.end
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; WIN64-NEXT: # kill: def $al killed $al killed $eax
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; WIN64-NEXT: retq # encoding: [0xc3]
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; WIN64-NEXT: .LBB2_3:
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; WIN64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
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; WIN64-NEXT: jmp .LBB2_2 # encoding: [0xeb,A]
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; WIN64-NEXT: # fixup A - offset: 1, value: .LBB2_2-1, kind: FK_PCRel_1
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entry:
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%and = and i32 %x, 42
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%tobool = icmp eq i32 %and, 0
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br i1 %tobool, label %land.end, label %land.rhs
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land.rhs:
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%and6 = and i32 %x, 44
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%tobool7 = icmp eq i32 %and6, 0
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br i1 %tobool7, label %lor.rhs, label %land.end
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lor.rhs:
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%call = tail call x86_thiscallcc zeroext i1 @baz(i8* %this, i32 %x) #2
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br label %land.end
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land.end:
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%0 = phi i1 [ false, %entry ], [ true, %land.rhs ], [ %call, %lor.rhs ]
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ret i1 %0
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; Make sure machine block placement isn't confused by the conditional tail call,
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; but sees that it can fall through to the next block.
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}
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%"class.std::basic_string" = type { %"struct.std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider" }
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%"struct.std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider" = type { i8* }
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declare zeroext i1 @_Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_(i8*, i8*)
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define zeroext i1 @pr31257(%"class.std::basic_string"* nocapture readonly dereferenceable(8) %s) minsize {
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; CHECK32-LABEL: pr31257:
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; CHECK32: # %bb.0: # %entry
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; CHECK32-NEXT: pushl %ebp # encoding: [0x55]
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; CHECK32-NEXT: .cfi_def_cfa_offset 8
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; CHECK32-NEXT: pushl %ebx # encoding: [0x53]
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; CHECK32-NEXT: .cfi_def_cfa_offset 12
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; CHECK32-NEXT: pushl %edi # encoding: [0x57]
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; CHECK32-NEXT: .cfi_def_cfa_offset 16
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; CHECK32-NEXT: pushl %esi # encoding: [0x56]
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; CHECK32-NEXT: .cfi_def_cfa_offset 20
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; CHECK32-NEXT: subl $12, %esp # encoding: [0x83,0xec,0x0c]
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; CHECK32-NEXT: .cfi_def_cfa_offset 32
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; CHECK32-NEXT: .cfi_offset %esi, -20
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; CHECK32-NEXT: .cfi_offset %edi, -16
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; CHECK32-NEXT: .cfi_offset %ebx, -12
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; CHECK32-NEXT: .cfi_offset %ebp, -8
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; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x20]
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; CHECK32-NEXT: movl (%eax), %eax # encoding: [0x8b,0x00]
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; CHECK32-NEXT: movl -24(%eax), %edx # encoding: [0x8b,0x50,0xe8]
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; CHECK32-NEXT: leal (%eax,%edx), %ebp # encoding: [0x8d,0x2c,0x10]
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; CHECK32-NEXT: xorl %ebx, %ebx # encoding: [0x31,0xdb]
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; CHECK32-NEXT: pushl $2 # encoding: [0x6a,0x02]
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; CHECK32-NEXT: .cfi_adjust_cfa_offset 4
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; CHECK32-NEXT: popl %esi # encoding: [0x5e]
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; CHECK32-NEXT: .cfi_adjust_cfa_offset -4
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; CHECK32-NEXT: xorl %edi, %edi # encoding: [0x31,0xff]
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; CHECK32-NEXT: incl %edi # encoding: [0x47]
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; CHECK32-NEXT: .LBB3_1: # %for.cond
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; CHECK32-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK32-NEXT: testl %edx, %edx # encoding: [0x85,0xd2]
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; CHECK32-NEXT: je .LBB3_13 # encoding: [0x74,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_13-1, kind: FK_PCRel_1
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; CHECK32-NEXT: # %bb.2: # %for.body
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; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
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; CHECK32-NEXT: cmpl $2, %ebx # encoding: [0x83,0xfb,0x02]
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; CHECK32-NEXT: je .LBB3_11 # encoding: [0x74,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
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; CHECK32-NEXT: # %bb.3: # %for.body
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; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
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; CHECK32-NEXT: cmpl $1, %ebx # encoding: [0x83,0xfb,0x01]
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; CHECK32-NEXT: je .LBB3_9 # encoding: [0x74,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_9-1, kind: FK_PCRel_1
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; CHECK32-NEXT: # %bb.4: # %for.body
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; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
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; CHECK32-NEXT: testl %ebx, %ebx # encoding: [0x85,0xdb]
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; CHECK32-NEXT: jne .LBB3_10 # encoding: [0x75,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
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; CHECK32-NEXT: # %bb.5: # %sw.bb
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; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
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; CHECK32-NEXT: movzbl (%eax), %ecx # encoding: [0x0f,0xb6,0x08]
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; CHECK32-NEXT: cmpl $43, %ecx # encoding: [0x83,0xf9,0x2b]
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; CHECK32-NEXT: movl %edi, %ebx # encoding: [0x89,0xfb]
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; CHECK32-NEXT: je .LBB3_10 # encoding: [0x74,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
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; CHECK32-NEXT: # %bb.6: # %sw.bb
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; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
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; CHECK32-NEXT: cmpb $45, %cl # encoding: [0x80,0xf9,0x2d]
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; CHECK32-NEXT: movl %edi, %ebx # encoding: [0x89,0xfb]
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; CHECK32-NEXT: je .LBB3_10 # encoding: [0x74,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
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; CHECK32-NEXT: jmp .LBB3_7 # encoding: [0xeb,A]
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; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_7-1, kind: FK_PCRel_1
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; CHECK32-NEXT: .LBB3_11: # %sw.bb22
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; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
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; CHECK32-NEXT: movzbl (%eax), %ecx # encoding: [0x0f,0xb6,0x08]
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; CHECK32-NEXT: addl $-48, %ecx # encoding: [0x83,0xc1,0xd0]
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; CHECK32-NEXT: cmpl $10, %ecx # encoding: [0x83,0xf9,0x0a]
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; CHECK32-NEXT: movl %esi, %ebx # encoding: [0x89,0xf3]
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; CHECK32-NEXT: jb .LBB3_10 # encoding: [0x72,A]
|
|
; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
|
|
; CHECK32-NEXT: jmp .LBB3_12 # encoding: [0xeb,A]
|
|
; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_12-1, kind: FK_PCRel_1
|
|
; CHECK32-NEXT: .LBB3_9: # %sw.bb14
|
|
; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK32-NEXT: movzbl (%eax), %ecx # encoding: [0x0f,0xb6,0x08]
|
|
; CHECK32-NEXT: .LBB3_7: # %if.else
|
|
; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK32-NEXT: addl $-48, %ecx # encoding: [0x83,0xc1,0xd0]
|
|
; CHECK32-NEXT: cmpl $10, %ecx # encoding: [0x83,0xf9,0x0a]
|
|
; CHECK32-NEXT: movl %esi, %ebx # encoding: [0x89,0xf3]
|
|
; CHECK32-NEXT: jae .LBB3_8 # encoding: [0x73,A]
|
|
; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_8-1, kind: FK_PCRel_1
|
|
; CHECK32-NEXT: .LBB3_10: # %for.inc
|
|
; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK32-NEXT: incl %eax # encoding: [0x40]
|
|
; CHECK32-NEXT: decl %edx # encoding: [0x4a]
|
|
; CHECK32-NEXT: jmp .LBB3_1 # encoding: [0xeb,A]
|
|
; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_1-1, kind: FK_PCRel_1
|
|
; CHECK32-NEXT: .LBB3_13:
|
|
; CHECK32-NEXT: cmpl $2, %ebx # encoding: [0x83,0xfb,0x02]
|
|
; CHECK32-NEXT: sete %al # encoding: [0x0f,0x94,0xc0]
|
|
; CHECK32-NEXT: jmp .LBB3_14 # encoding: [0xeb,A]
|
|
; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_14-1, kind: FK_PCRel_1
|
|
; CHECK32-NEXT: .LBB3_8:
|
|
; CHECK32-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
|
|
; CHECK32-NEXT: .LBB3_14: # %cleanup.thread
|
|
; CHECK32-NEXT: # kill: def $al killed $al killed $eax
|
|
; CHECK32-NEXT: addl $12, %esp # encoding: [0x83,0xc4,0x0c]
|
|
; CHECK32-NEXT: .cfi_def_cfa_offset 20
|
|
; CHECK32-NEXT: .LBB3_15: # %cleanup.thread
|
|
; CHECK32-NEXT: popl %esi # encoding: [0x5e]
|
|
; CHECK32-NEXT: .cfi_def_cfa_offset 16
|
|
; CHECK32-NEXT: popl %edi # encoding: [0x5f]
|
|
; CHECK32-NEXT: .cfi_def_cfa_offset 12
|
|
; CHECK32-NEXT: popl %ebx # encoding: [0x5b]
|
|
; CHECK32-NEXT: .cfi_def_cfa_offset 8
|
|
; CHECK32-NEXT: popl %ebp # encoding: [0x5d]
|
|
; CHECK32-NEXT: .cfi_def_cfa_offset 4
|
|
; CHECK32-NEXT: retl # encoding: [0xc3]
|
|
; CHECK32-NEXT: .LBB3_12: # %if.else28
|
|
; CHECK32-NEXT: .cfi_def_cfa_offset 32
|
|
; CHECK32-NEXT: subl $8, %esp # encoding: [0x83,0xec,0x08]
|
|
; CHECK32-NEXT: .cfi_adjust_cfa_offset 8
|
|
; CHECK32-NEXT: pushl %ebp # encoding: [0x55]
|
|
; CHECK32-NEXT: .cfi_adjust_cfa_offset 4
|
|
; CHECK32-NEXT: pushl %eax # encoding: [0x50]
|
|
; CHECK32-NEXT: .cfi_adjust_cfa_offset 4
|
|
; CHECK32-NEXT: calll _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_ # encoding: [0xe8,A,A,A,A]
|
|
; CHECK32-NEXT: # fixup A - offset: 1, value: _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_-4, kind: FK_PCRel_4
|
|
; CHECK32-NEXT: addl $28, %esp # encoding: [0x83,0xc4,0x1c]
|
|
; CHECK32-NEXT: .cfi_adjust_cfa_offset -28
|
|
; CHECK32-NEXT: jmp .LBB3_15 # encoding: [0xeb,A]
|
|
; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_15-1, kind: FK_PCRel_1
|
|
;
|
|
; CHECK64-LABEL: pr31257:
|
|
; CHECK64: # %bb.0: # %entry
|
|
; CHECK64-NEXT: movq (%rdi), %rdi # encoding: [0x48,0x8b,0x3f]
|
|
; CHECK64-NEXT: movq -24(%rdi), %rax # encoding: [0x48,0x8b,0x47,0xe8]
|
|
; CHECK64-NEXT: leaq (%rdi,%rax), %rsi # encoding: [0x48,0x8d,0x34,0x07]
|
|
; CHECK64-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
|
|
; CHECK64-NEXT: pushq $2 # encoding: [0x6a,0x02]
|
|
; CHECK64-NEXT: .cfi_adjust_cfa_offset 8
|
|
; CHECK64-NEXT: popq %r9 # encoding: [0x41,0x59]
|
|
; CHECK64-NEXT: .cfi_adjust_cfa_offset -8
|
|
; CHECK64-NEXT: pushq $1 # encoding: [0x6a,0x01]
|
|
; CHECK64-NEXT: .cfi_adjust_cfa_offset 8
|
|
; CHECK64-NEXT: popq %r8 # encoding: [0x41,0x58]
|
|
; CHECK64-NEXT: .cfi_adjust_cfa_offset -8
|
|
; CHECK64-NEXT: .LBB3_1: # %for.cond
|
|
; CHECK64-NEXT: # =>This Inner Loop Header: Depth=1
|
|
; CHECK64-NEXT: testq %rax, %rax # encoding: [0x48,0x85,0xc0]
|
|
; CHECK64-NEXT: je .LBB3_12 # encoding: [0x74,A]
|
|
; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_12-1, kind: FK_PCRel_1
|
|
; CHECK64-NEXT: # %bb.2: # %for.body
|
|
; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK64-NEXT: cmpl $2, %ecx # encoding: [0x83,0xf9,0x02]
|
|
; CHECK64-NEXT: je .LBB3_10 # encoding: [0x74,A]
|
|
; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
|
|
; CHECK64-NEXT: # %bb.3: # %for.body
|
|
; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK64-NEXT: cmpl $1, %ecx # encoding: [0x83,0xf9,0x01]
|
|
; CHECK64-NEXT: je .LBB3_8 # encoding: [0x74,A]
|
|
; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_8-1, kind: FK_PCRel_1
|
|
; CHECK64-NEXT: # %bb.4: # %for.body
|
|
; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK64-NEXT: testl %ecx, %ecx # encoding: [0x85,0xc9]
|
|
; CHECK64-NEXT: jne .LBB3_11 # encoding: [0x75,A]
|
|
; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
|
|
; CHECK64-NEXT: # %bb.5: # %sw.bb
|
|
; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK64-NEXT: movzbl (%rdi), %edx # encoding: [0x0f,0xb6,0x17]
|
|
; CHECK64-NEXT: cmpl $43, %edx # encoding: [0x83,0xfa,0x2b]
|
|
; CHECK64-NEXT: movl %r8d, %ecx # encoding: [0x44,0x89,0xc1]
|
|
; CHECK64-NEXT: je .LBB3_11 # encoding: [0x74,A]
|
|
; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
|
|
; CHECK64-NEXT: # %bb.6: # %sw.bb
|
|
; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK64-NEXT: cmpb $45, %dl # encoding: [0x80,0xfa,0x2d]
|
|
; CHECK64-NEXT: movl %r8d, %ecx # encoding: [0x44,0x89,0xc1]
|
|
; CHECK64-NEXT: je .LBB3_11 # encoding: [0x74,A]
|
|
; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
|
|
; CHECK64-NEXT: # %bb.7: # %if.else
|
|
; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK64-NEXT: addl $-48, %edx # encoding: [0x83,0xc2,0xd0]
|
|
; CHECK64-NEXT: cmpl $10, %edx # encoding: [0x83,0xfa,0x0a]
|
|
; CHECK64-NEXT: jmp .LBB3_9 # encoding: [0xeb,A]
|
|
; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_9-1, kind: FK_PCRel_1
|
|
; CHECK64-NEXT: .LBB3_8: # %sw.bb14
|
|
; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK64-NEXT: movzbl (%rdi), %ecx # encoding: [0x0f,0xb6,0x0f]
|
|
; CHECK64-NEXT: addl $-48, %ecx # encoding: [0x83,0xc1,0xd0]
|
|
; CHECK64-NEXT: cmpl $10, %ecx # encoding: [0x83,0xf9,0x0a]
|
|
; CHECK64-NEXT: .LBB3_9: # %if.else
|
|
; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK64-NEXT: movl %r9d, %ecx # encoding: [0x44,0x89,0xc9]
|
|
; CHECK64-NEXT: jb .LBB3_11 # encoding: [0x72,A]
|
|
; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
|
|
; CHECK64-NEXT: jmp .LBB3_13 # encoding: [0xeb,A]
|
|
; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_13-1, kind: FK_PCRel_1
|
|
; CHECK64-NEXT: .LBB3_10: # %sw.bb22
|
|
; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK64-NEXT: movzbl (%rdi), %ecx # encoding: [0x0f,0xb6,0x0f]
|
|
; CHECK64-NEXT: addl $-48, %ecx # encoding: [0x83,0xc1,0xd0]
|
|
; CHECK64-NEXT: cmpl $10, %ecx # encoding: [0x83,0xf9,0x0a]
|
|
; CHECK64-NEXT: movl %r9d, %ecx # encoding: [0x44,0x89,0xc9]
|
|
; CHECK64-NEXT: jae _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_ # TAILCALL
|
|
; CHECK64-NEXT: # encoding: [0x73,A]
|
|
; CHECK64-NEXT: # fixup A - offset: 1, value: _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_-1, kind: FK_PCRel_1
|
|
; CHECK64-NEXT: .LBB3_11: # %for.inc
|
|
; CHECK64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; CHECK64-NEXT: incq %rdi # encoding: [0x48,0xff,0xc7]
|
|
; CHECK64-NEXT: decq %rax # encoding: [0x48,0xff,0xc8]
|
|
; CHECK64-NEXT: jmp .LBB3_1 # encoding: [0xeb,A]
|
|
; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB3_1-1, kind: FK_PCRel_1
|
|
; CHECK64-NEXT: .LBB3_12:
|
|
; CHECK64-NEXT: cmpl $2, %ecx # encoding: [0x83,0xf9,0x02]
|
|
; CHECK64-NEXT: sete %al # encoding: [0x0f,0x94,0xc0]
|
|
; CHECK64-NEXT: # kill: def $al killed $al killed $eax
|
|
; CHECK64-NEXT: retq # encoding: [0xc3]
|
|
; CHECK64-NEXT: .LBB3_13:
|
|
; CHECK64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
|
|
; CHECK64-NEXT: # kill: def $al killed $al killed $eax
|
|
; CHECK64-NEXT: retq # encoding: [0xc3]
|
|
;
|
|
; WIN64-LABEL: pr31257:
|
|
; WIN64: # %bb.0: # %entry
|
|
; WIN64-NEXT: movq (%rcx), %rcx # encoding: [0x48,0x8b,0x09]
|
|
; WIN64-NEXT: movq -24(%rcx), %r8 # encoding: [0x4c,0x8b,0x41,0xe8]
|
|
; WIN64-NEXT: leaq (%rcx,%r8), %rdx # encoding: [0x4a,0x8d,0x14,0x01]
|
|
; WIN64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
|
|
; WIN64-NEXT: .LBB3_1: # %for.cond
|
|
; WIN64-NEXT: # =>This Inner Loop Header: Depth=1
|
|
; WIN64-NEXT: testq %r8, %r8 # encoding: [0x4d,0x85,0xc0]
|
|
; WIN64-NEXT: je .LBB3_11 # encoding: [0x74,A]
|
|
; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1
|
|
; WIN64-NEXT: # %bb.2: # %for.body
|
|
; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; WIN64-NEXT: cmpl $2, %eax # encoding: [0x83,0xf8,0x02]
|
|
; WIN64-NEXT: je .LBB3_9 # encoding: [0x74,A]
|
|
; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_9-1, kind: FK_PCRel_1
|
|
; WIN64-NEXT: # %bb.3: # %for.body
|
|
; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; WIN64-NEXT: cmpl $1, %eax # encoding: [0x83,0xf8,0x01]
|
|
; WIN64-NEXT: je .LBB3_7 # encoding: [0x74,A]
|
|
; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_7-1, kind: FK_PCRel_1
|
|
; WIN64-NEXT: # %bb.4: # %for.body
|
|
; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; WIN64-NEXT: testl %eax, %eax # encoding: [0x85,0xc0]
|
|
; WIN64-NEXT: jne .LBB3_10 # encoding: [0x75,A]
|
|
; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
|
|
; WIN64-NEXT: # %bb.5: # %sw.bb
|
|
; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; WIN64-NEXT: movzbl (%rcx), %r9d # encoding: [0x44,0x0f,0xb6,0x09]
|
|
; WIN64-NEXT: cmpl $43, %r9d # encoding: [0x41,0x83,0xf9,0x2b]
|
|
; WIN64-NEXT: movl $1, %eax # encoding: [0xb8,0x01,0x00,0x00,0x00]
|
|
; WIN64-NEXT: je .LBB3_10 # encoding: [0x74,A]
|
|
; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
|
|
; WIN64-NEXT: # %bb.6: # %sw.bb
|
|
; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; WIN64-NEXT: cmpb $45, %r9b # encoding: [0x41,0x80,0xf9,0x2d]
|
|
; WIN64-NEXT: je .LBB3_10 # encoding: [0x74,A]
|
|
; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
|
|
; WIN64-NEXT: jmp .LBB3_8 # encoding: [0xeb,A]
|
|
; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_8-1, kind: FK_PCRel_1
|
|
; WIN64-NEXT: .LBB3_7: # %sw.bb14
|
|
; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; WIN64-NEXT: movzbl (%rcx), %r9d # encoding: [0x44,0x0f,0xb6,0x09]
|
|
; WIN64-NEXT: .LBB3_8: # %if.else
|
|
; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; WIN64-NEXT: addl $-48, %r9d # encoding: [0x41,0x83,0xc1,0xd0]
|
|
; WIN64-NEXT: movl $2, %eax # encoding: [0xb8,0x02,0x00,0x00,0x00]
|
|
; WIN64-NEXT: cmpl $10, %r9d # encoding: [0x41,0x83,0xf9,0x0a]
|
|
; WIN64-NEXT: jb .LBB3_10 # encoding: [0x72,A]
|
|
; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1
|
|
; WIN64-NEXT: jmp .LBB3_12 # encoding: [0xeb,A]
|
|
; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_12-1, kind: FK_PCRel_1
|
|
; WIN64-NEXT: .LBB3_9: # %sw.bb22
|
|
; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; WIN64-NEXT: movzbl (%rcx), %r9d # encoding: [0x44,0x0f,0xb6,0x09]
|
|
; WIN64-NEXT: addl $-48, %r9d # encoding: [0x41,0x83,0xc1,0xd0]
|
|
; WIN64-NEXT: movl $2, %eax # encoding: [0xb8,0x02,0x00,0x00,0x00]
|
|
; WIN64-NEXT: cmpl $10, %r9d # encoding: [0x41,0x83,0xf9,0x0a]
|
|
; WIN64-NEXT: jae _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_ # TAILCALL
|
|
; WIN64-NEXT: # encoding: [0x73,A]
|
|
; WIN64-NEXT: # fixup A - offset: 1, value: _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_-1, kind: FK_PCRel_1
|
|
; WIN64-NEXT: .LBB3_10: # %for.inc
|
|
; WIN64-NEXT: # in Loop: Header=BB3_1 Depth=1
|
|
; WIN64-NEXT: incq %rcx # encoding: [0x48,0xff,0xc1]
|
|
; WIN64-NEXT: decq %r8 # encoding: [0x49,0xff,0xc8]
|
|
; WIN64-NEXT: jmp .LBB3_1 # encoding: [0xeb,A]
|
|
; WIN64-NEXT: # fixup A - offset: 1, value: .LBB3_1-1, kind: FK_PCRel_1
|
|
; WIN64-NEXT: .LBB3_11:
|
|
; WIN64-NEXT: cmpl $2, %eax # encoding: [0x83,0xf8,0x02]
|
|
; WIN64-NEXT: sete %al # encoding: [0x0f,0x94,0xc0]
|
|
; WIN64-NEXT: # kill: def $al killed $al killed $eax
|
|
; WIN64-NEXT: retq # encoding: [0xc3]
|
|
; WIN64-NEXT: .LBB3_12:
|
|
; WIN64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
|
|
; WIN64-NEXT: # kill: def $al killed $al killed $eax
|
|
; WIN64-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%_M_p.i.i = getelementptr inbounds %"class.std::basic_string", %"class.std::basic_string"* %s, i64 0, i32 0, i32 0
|
|
%0 = load i8*, i8** %_M_p.i.i, align 8
|
|
%arrayidx.i.i.i54 = getelementptr inbounds i8, i8* %0, i64 -24
|
|
%_M_length.i.i55 = bitcast i8* %arrayidx.i.i.i54 to i64*
|
|
%1 = load i64, i64* %_M_length.i.i55, align 8
|
|
%add.ptr.i56 = getelementptr inbounds i8, i8* %0, i64 %1
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %for.inc, %entry
|
|
%it.sroa.0.0 = phi i8* [ %0, %entry ], [ %incdec.ptr.i, %for.inc ]
|
|
%state.0 = phi i32 [ 0, %entry ], [ %state.1, %for.inc ]
|
|
%cmp.i = icmp eq i8* %it.sroa.0.0, %add.ptr.i56
|
|
br i1 %cmp.i, label %5, label %for.body
|
|
|
|
for.body: ; preds = %for.cond
|
|
switch i32 %state.0, label %for.inc [
|
|
i32 0, label %sw.bb
|
|
i32 1, label %sw.bb14
|
|
i32 2, label %sw.bb22
|
|
]
|
|
|
|
sw.bb: ; preds = %for.body
|
|
%2 = load i8, i8* %it.sroa.0.0, align 1
|
|
switch i8 %2, label %if.else [
|
|
i8 43, label %for.inc
|
|
i8 45, label %for.inc
|
|
]
|
|
|
|
if.else: ; preds = %sw.bb
|
|
%conv9 = zext i8 %2 to i32
|
|
%isdigittmp45 = add nsw i32 %conv9, -48
|
|
%isdigit46 = icmp ult i32 %isdigittmp45, 10
|
|
br i1 %isdigit46, label %for.inc, label %cleanup.thread.loopexit
|
|
|
|
sw.bb14: ; preds = %for.body
|
|
%3 = load i8, i8* %it.sroa.0.0, align 1
|
|
%conv16 = zext i8 %3 to i32
|
|
%isdigittmp43 = add nsw i32 %conv16, -48
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%isdigit44 = icmp ult i32 %isdigittmp43, 10
|
|
br i1 %isdigit44, label %for.inc, label %cleanup.thread.loopexit
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|
|
|
sw.bb22: ; preds = %for.body
|
|
%4 = load i8, i8* %it.sroa.0.0, align 1
|
|
%conv24 = zext i8 %4 to i32
|
|
%isdigittmp = add nsw i32 %conv24, -48
|
|
%isdigit = icmp ult i32 %isdigittmp, 10
|
|
br i1 %isdigit, label %for.inc, label %if.else28
|
|
|
|
; Make sure Machine Copy Propagation doesn't delete the mov to %ecx becaue it
|
|
; thinks the conditional tail call clobbers it.
|
|
|
|
if.else28: ; preds = %sw.bb22
|
|
%call34 = tail call zeroext i1 @_Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_(i8* nonnull %it.sroa.0.0, i8* %add.ptr.i56)
|
|
br label %cleanup.thread
|
|
|
|
for.inc: ; preds = %sw.bb, %sw.bb, %sw.bb22, %sw.bb14, %if.else, %for.body
|
|
%state.1 = phi i32 [ %state.0, %for.body ], [ 1, %sw.bb ], [ 2, %if.else ], [ 2, %sw.bb14 ], [ 2, %sw.bb22 ], [ 1, %sw.bb ]
|
|
%incdec.ptr.i = getelementptr inbounds i8, i8* %it.sroa.0.0, i64 1
|
|
br label %for.cond
|
|
|
|
; <label>:5: ; preds = %for.cond
|
|
%cmp37 = icmp eq i32 %state.0, 2
|
|
br label %cleanup.thread
|
|
|
|
cleanup.thread.loopexit: ; preds = %if.else, %sw.bb14
|
|
br label %cleanup.thread
|
|
|
|
cleanup.thread: ; preds = %cleanup.thread.loopexit, %if.else28, %5
|
|
%6 = phi i1 [ %cmp37, %5 ], [ %call34, %if.else28 ], [ false, %cleanup.thread.loopexit ]
|
|
ret i1 %6
|
|
}
|