; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-linux -show-mc-encoding | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK32 ; RUN: llc < %s -mtriple=x86_64-linux -show-mc-encoding | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK64 ; RUN: llc < %s -mtriple=x86_64-win32 -show-mc-encoding | FileCheck %s --check-prefix=CHECK --check-prefix=WIN64 declare void @foo() declare void @bar() define void @f(i32 %x, i32 %y) optsize { ; CHECK32-LABEL: f: ; CHECK32: # %bb.0: # %entry ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x04] ; CHECK32-NEXT: cmpl {{[0-9]+}}(%esp), %eax # encoding: [0x3b,0x44,0x24,0x08] ; CHECK32-NEXT: jne bar # TAILCALL ; CHECK32-NEXT: # encoding: [0x75,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1 ; CHECK32-NEXT: # %bb.1: # %bb1 ; CHECK32-NEXT: jmp foo # TAILCALL ; CHECK32-NEXT: # encoding: [0xeb,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1 ; ; CHECK64-LABEL: f: ; CHECK64: # %bb.0: # %entry ; CHECK64-NEXT: cmpl %esi, %edi # encoding: [0x39,0xf7] ; CHECK64-NEXT: jne bar # TAILCALL ; CHECK64-NEXT: # encoding: [0x75,A] ; CHECK64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1 ; CHECK64-NEXT: # %bb.1: # %bb1 ; CHECK64-NEXT: jmp foo # TAILCALL ; CHECK64-NEXT: # encoding: [0xeb,A] ; CHECK64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1 ; ; WIN64-LABEL: f: ; WIN64: # %bb.0: # %entry ; WIN64-NEXT: cmpl %edx, %ecx # encoding: [0x39,0xd1] ; WIN64-NEXT: jne bar # TAILCALL ; WIN64-NEXT: # encoding: [0x75,A] ; WIN64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1 ; WIN64-NEXT: # %bb.1: # %bb1 ; WIN64-NEXT: jmp foo # TAILCALL ; WIN64-NEXT: # encoding: [0xeb,A] ; WIN64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1 entry: %p = icmp eq i32 %x, %y br i1 %p, label %bb1, label %bb2 bb1: tail call void @foo() ret void bb2: tail call void @bar() ret void ; Check that the asm doesn't just look good, but uses the correct encoding. } define void @f_non_leaf(i32 %x, i32 %y) optsize { ; CHECK32-LABEL: f_non_leaf: ; CHECK32: # %bb.0: # %entry ; CHECK32-NEXT: pushl %ebx # encoding: [0x53] ; CHECK32-NEXT: .cfi_def_cfa_offset 8 ; CHECK32-NEXT: .cfi_offset %ebx, -8 ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x08] ; CHECK32-NEXT: #APP ; CHECK32-NEXT: #NO_APP ; CHECK32-NEXT: cmpl {{[0-9]+}}(%esp), %eax # encoding: [0x3b,0x44,0x24,0x0c] ; CHECK32-NEXT: jne .LBB1_2 # encoding: [0x75,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB1_2-1, kind: FK_PCRel_1 ; CHECK32-NEXT: # %bb.1: # %bb1 ; CHECK32-NEXT: popl %ebx # encoding: [0x5b] ; CHECK32-NEXT: .cfi_def_cfa_offset 4 ; CHECK32-NEXT: jmp foo # TAILCALL ; CHECK32-NEXT: # encoding: [0xeb,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1 ; CHECK32-NEXT: .LBB1_2: # %bb2 ; CHECK32-NEXT: .cfi_def_cfa_offset 8 ; CHECK32-NEXT: popl %ebx # encoding: [0x5b] ; CHECK32-NEXT: .cfi_def_cfa_offset 4 ; CHECK32-NEXT: jmp bar # TAILCALL ; CHECK32-NEXT: # encoding: [0xeb,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1 ; ; CHECK64-LABEL: f_non_leaf: ; CHECK64: # %bb.0: # %entry ; CHECK64-NEXT: pushq %rbx # encoding: [0x53] ; CHECK64-NEXT: .cfi_def_cfa_offset 16 ; CHECK64-NEXT: .cfi_offset %rbx, -16 ; CHECK64-NEXT: #APP ; CHECK64-NEXT: #NO_APP ; CHECK64-NEXT: cmpl %esi, %edi # encoding: [0x39,0xf7] ; CHECK64-NEXT: jne .LBB1_2 # encoding: [0x75,A] ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB1_2-1, kind: FK_PCRel_1 ; CHECK64-NEXT: # %bb.1: # %bb1 ; CHECK64-NEXT: popq %rbx # encoding: [0x5b] ; CHECK64-NEXT: .cfi_def_cfa_offset 8 ; CHECK64-NEXT: jmp foo # TAILCALL ; CHECK64-NEXT: # encoding: [0xeb,A] ; CHECK64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1 ; CHECK64-NEXT: .LBB1_2: # %bb2 ; CHECK64-NEXT: .cfi_def_cfa_offset 16 ; CHECK64-NEXT: popq %rbx # encoding: [0x5b] ; CHECK64-NEXT: .cfi_def_cfa_offset 8 ; CHECK64-NEXT: jmp bar # TAILCALL ; CHECK64-NEXT: # encoding: [0xeb,A] ; CHECK64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1 ; ; WIN64-LABEL: f_non_leaf: ; WIN64: # %bb.0: # %entry ; WIN64-NEXT: pushq %rbx # encoding: [0x53] ; WIN64-NEXT: .seh_pushreg %rbx ; WIN64-NEXT: .seh_endprologue ; WIN64-NEXT: #APP ; WIN64-NEXT: #NO_APP ; WIN64-NEXT: cmpl %edx, %ecx # encoding: [0x39,0xd1] ; WIN64-NEXT: jne .LBB1_2 # encoding: [0x75,A] ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB1_2-1, kind: FK_PCRel_1 ; WIN64-NEXT: # %bb.1: # %bb1 ; WIN64-NEXT: popq %rbx # encoding: [0x5b] ; WIN64-NEXT: jmp foo # TAILCALL ; WIN64-NEXT: # encoding: [0xeb,A] ; WIN64-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1 ; WIN64-NEXT: .LBB1_2: # %bb2 ; WIN64-NEXT: nop # encoding: [0x90] ; WIN64-NEXT: popq %rbx # encoding: [0x5b] ; WIN64-NEXT: jmp bar # TAILCALL ; WIN64-NEXT: # encoding: [0xeb,A] ; WIN64-NEXT: # fixup A - offset: 1, value: bar-1, kind: FK_PCRel_1 ; WIN64-NEXT: .seh_handlerdata ; WIN64-NEXT: .text ; WIN64-NEXT: .seh_endproc entry: ; Force %ebx to be spilled on the stack, turning this into ; not a "leaf" function for Win64. tail call void asm sideeffect "", "~{ebx}"() %p = icmp eq i32 %x, %y br i1 %p, label %bb1, label %bb2 bb1: tail call void @foo() ret void bb2: tail call void @bar() ret void } declare x86_thiscallcc zeroext i1 @baz(i8*, i32) define x86_thiscallcc zeroext i1 @BlockPlacementTest(i8* %this, i32 %x) optsize { ; CHECK32-LABEL: BlockPlacementTest: ; CHECK32: # %bb.0: # %entry ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %edx # encoding: [0x8b,0x54,0x24,0x04] ; CHECK32-NEXT: testb $42, %dl # encoding: [0xf6,0xc2,0x2a] ; CHECK32-NEXT: je .LBB2_3 # encoding: [0x74,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB2_3-1, kind: FK_PCRel_1 ; CHECK32-NEXT: # %bb.1: # %land.rhs ; CHECK32-NEXT: movb $1, %al # encoding: [0xb0,0x01] ; CHECK32-NEXT: testb $44, %dl # encoding: [0xf6,0xc2,0x2c] ; CHECK32-NEXT: je baz # TAILCALL ; CHECK32-NEXT: # encoding: [0x74,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: baz-1, kind: FK_PCRel_1 ; CHECK32-NEXT: .LBB2_2: # %land.end ; CHECK32-NEXT: # kill: def $al killed $al killed $eax ; CHECK32-NEXT: retl $4 # encoding: [0xc2,0x04,0x00] ; CHECK32-NEXT: .LBB2_3: ; CHECK32-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK32-NEXT: jmp .LBB2_2 # encoding: [0xeb,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB2_2-1, kind: FK_PCRel_1 ; ; CHECK64-LABEL: BlockPlacementTest: ; CHECK64: # %bb.0: # %entry ; CHECK64-NEXT: testb $42, %sil # encoding: [0x40,0xf6,0xc6,0x2a] ; CHECK64-NEXT: je .LBB2_3 # encoding: [0x74,A] ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB2_3-1, kind: FK_PCRel_1 ; CHECK64-NEXT: # %bb.1: # %land.rhs ; CHECK64-NEXT: movb $1, %al # encoding: [0xb0,0x01] ; CHECK64-NEXT: testb $44, %sil # encoding: [0x40,0xf6,0xc6,0x2c] ; CHECK64-NEXT: je baz # TAILCALL ; CHECK64-NEXT: # encoding: [0x74,A] ; CHECK64-NEXT: # fixup A - offset: 1, value: baz-1, kind: FK_PCRel_1 ; CHECK64-NEXT: .LBB2_2: # %land.end ; CHECK64-NEXT: # kill: def $al killed $al killed $eax ; CHECK64-NEXT: retq # encoding: [0xc3] ; CHECK64-NEXT: .LBB2_3: ; CHECK64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK64-NEXT: jmp .LBB2_2 # encoding: [0xeb,A] ; CHECK64-NEXT: # fixup A - offset: 1, value: .LBB2_2-1, kind: FK_PCRel_1 ; ; WIN64-LABEL: BlockPlacementTest: ; WIN64: # %bb.0: # %entry ; WIN64-NEXT: testb $42, %dl # encoding: [0xf6,0xc2,0x2a] ; WIN64-NEXT: je .LBB2_3 # encoding: [0x74,A] ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB2_3-1, kind: FK_PCRel_1 ; WIN64-NEXT: # %bb.1: # %land.rhs ; WIN64-NEXT: movb $1, %al # encoding: [0xb0,0x01] ; WIN64-NEXT: testb $44, %dl # encoding: [0xf6,0xc2,0x2c] ; WIN64-NEXT: je baz # TAILCALL ; WIN64-NEXT: # encoding: [0x74,A] ; WIN64-NEXT: # fixup A - offset: 1, value: baz-1, kind: FK_PCRel_1 ; WIN64-NEXT: .LBB2_2: # %land.end ; WIN64-NEXT: # kill: def $al killed $al killed $eax ; WIN64-NEXT: retq # encoding: [0xc3] ; WIN64-NEXT: .LBB2_3: ; WIN64-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; WIN64-NEXT: jmp .LBB2_2 # encoding: [0xeb,A] ; WIN64-NEXT: # fixup A - offset: 1, value: .LBB2_2-1, kind: FK_PCRel_1 entry: %and = and i32 %x, 42 %tobool = icmp eq i32 %and, 0 br i1 %tobool, label %land.end, label %land.rhs land.rhs: %and6 = and i32 %x, 44 %tobool7 = icmp eq i32 %and6, 0 br i1 %tobool7, label %lor.rhs, label %land.end lor.rhs: %call = tail call x86_thiscallcc zeroext i1 @baz(i8* %this, i32 %x) #2 br label %land.end land.end: %0 = phi i1 [ false, %entry ], [ true, %land.rhs ], [ %call, %lor.rhs ] ret i1 %0 ; Make sure machine block placement isn't confused by the conditional tail call, ; but sees that it can fall through to the next block. } %"class.std::basic_string" = type { %"struct.std::basic_string, std::allocator >::_Alloc_hider" } %"struct.std::basic_string, std::allocator >::_Alloc_hider" = type { i8* } declare zeroext i1 @_Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_(i8*, i8*) define zeroext i1 @pr31257(%"class.std::basic_string"* nocapture readonly dereferenceable(8) %s) minsize { ; CHECK32-LABEL: pr31257: ; CHECK32: # %bb.0: # %entry ; CHECK32-NEXT: pushl %ebp # encoding: [0x55] ; CHECK32-NEXT: .cfi_def_cfa_offset 8 ; CHECK32-NEXT: pushl %ebx # encoding: [0x53] ; CHECK32-NEXT: .cfi_def_cfa_offset 12 ; CHECK32-NEXT: pushl %edi # encoding: [0x57] ; CHECK32-NEXT: .cfi_def_cfa_offset 16 ; CHECK32-NEXT: pushl %esi # encoding: [0x56] ; CHECK32-NEXT: .cfi_def_cfa_offset 20 ; CHECK32-NEXT: subl $12, %esp # encoding: [0x83,0xec,0x0c] ; CHECK32-NEXT: .cfi_def_cfa_offset 32 ; CHECK32-NEXT: .cfi_offset %esi, -20 ; CHECK32-NEXT: .cfi_offset %edi, -16 ; CHECK32-NEXT: .cfi_offset %ebx, -12 ; CHECK32-NEXT: .cfi_offset %ebp, -8 ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x20] ; CHECK32-NEXT: movl (%eax), %eax # encoding: [0x8b,0x00] ; CHECK32-NEXT: movl -24(%eax), %edx # encoding: [0x8b,0x50,0xe8] ; CHECK32-NEXT: leal (%eax,%edx), %ebp # encoding: [0x8d,0x2c,0x10] ; CHECK32-NEXT: xorl %ebx, %ebx # encoding: [0x31,0xdb] ; CHECK32-NEXT: pushl $2 # encoding: [0x6a,0x02] ; CHECK32-NEXT: .cfi_adjust_cfa_offset 4 ; CHECK32-NEXT: popl %esi # encoding: [0x5e] ; CHECK32-NEXT: .cfi_adjust_cfa_offset -4 ; CHECK32-NEXT: xorl %edi, %edi # encoding: [0x31,0xff] ; CHECK32-NEXT: incl %edi # encoding: [0x47] ; CHECK32-NEXT: .LBB3_1: # %for.cond ; CHECK32-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK32-NEXT: testl %edx, %edx # encoding: [0x85,0xd2] ; CHECK32-NEXT: je .LBB3_13 # encoding: [0x74,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_13-1, kind: FK_PCRel_1 ; CHECK32-NEXT: # %bb.2: # %for.body ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1 ; CHECK32-NEXT: cmpl $2, %ebx # encoding: [0x83,0xfb,0x02] ; CHECK32-NEXT: je .LBB3_11 # encoding: [0x74,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_11-1, kind: FK_PCRel_1 ; CHECK32-NEXT: # %bb.3: # %for.body ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1 ; CHECK32-NEXT: cmpl $1, %ebx # encoding: [0x83,0xfb,0x01] ; CHECK32-NEXT: je .LBB3_9 # encoding: [0x74,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_9-1, kind: FK_PCRel_1 ; CHECK32-NEXT: # %bb.4: # %for.body ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1 ; CHECK32-NEXT: testl %ebx, %ebx # encoding: [0x85,0xdb] ; CHECK32-NEXT: jne .LBB3_10 # encoding: [0x75,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1 ; CHECK32-NEXT: # %bb.5: # %sw.bb ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1 ; CHECK32-NEXT: movzbl (%eax), %ecx # encoding: [0x0f,0xb6,0x08] ; CHECK32-NEXT: cmpl $43, %ecx # encoding: [0x83,0xf9,0x2b] ; CHECK32-NEXT: movl %edi, %ebx # encoding: [0x89,0xfb] ; CHECK32-NEXT: je .LBB3_10 # encoding: [0x74,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1 ; CHECK32-NEXT: # %bb.6: # %sw.bb ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1 ; CHECK32-NEXT: cmpb $45, %cl # encoding: [0x80,0xf9,0x2d] ; CHECK32-NEXT: movl %edi, %ebx # encoding: [0x89,0xfb] ; CHECK32-NEXT: je .LBB3_10 # encoding: [0x74,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_10-1, kind: FK_PCRel_1 ; CHECK32-NEXT: jmp .LBB3_7 # encoding: [0xeb,A] ; CHECK32-NEXT: # fixup A - offset: 1, value: .LBB3_7-1, kind: FK_PCRel_1 ; CHECK32-NEXT: .LBB3_11: # %sw.bb22 ; CHECK32-NEXT: # in Loop: Header=BB3_1 Depth=1 ; CHECK32-NEXT: movzbl (%eax), %ecx # encoding: [0x0f,0xb6,0x08] ; 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: 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 %isdigit44 = icmp ult i32 %isdigittmp43, 10 br i1 %isdigit44, label %for.inc, label %cleanup.thread.loopexit 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 ;