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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=i686-linux   -show-mc-encoding | FileCheck %s --check-prefix=CHECK323; RUN: llc < %s -mtriple=x86_64-linux -show-mc-encoding | FileCheck %s --check-prefix=CHECK644; RUN: llc < %s -mtriple=x86_64-win32 -show-mc-encoding | FileCheck %s --check-prefix=WIN645 6declare dso_local void @foo()7declare dso_local void @bar()8 9define void @f(i32 %x, i32 %y) optsize {10; CHECK32-LABEL: f:11; CHECK32:       # %bb.0: # %entry12; CHECK32-NEXT:    movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x04]13; CHECK32-NEXT:    cmpl {{[0-9]+}}(%esp), %eax # encoding: [0x3b,0x44,0x24,0x08]14; CHECK32-NEXT:    jne bar # TAILCALL15; CHECK32-NEXT:    # encoding: [0x75,A]16; CHECK32-NEXT:    # fixup A - offset: 1, value: bar, kind: FK_PCRel_117; CHECK32-NEXT:  # %bb.1: # %bb118; CHECK32-NEXT:    jmp foo # TAILCALL19; CHECK32-NEXT:    # encoding: [0xeb,A]20; CHECK32-NEXT:    # fixup A - offset: 1, value: foo, kind: FK_PCRel_121;22; CHECK64-LABEL: f:23; CHECK64:       # %bb.0: # %entry24; CHECK64-NEXT:    cmpl %esi, %edi # encoding: [0x39,0xf7]25; CHECK64-NEXT:    jne bar # TAILCALL26; CHECK64-NEXT:    # encoding: [0x75,A]27; CHECK64-NEXT:    # fixup A - offset: 1, value: bar, kind: FK_PCRel_128; CHECK64-NEXT:  # %bb.1: # %bb129; CHECK64-NEXT:    jmp foo # TAILCALL30; CHECK64-NEXT:    # encoding: [0xeb,A]31; CHECK64-NEXT:    # fixup A - offset: 1, value: foo, kind: FK_PCRel_132;33; WIN64-LABEL: f:34; WIN64:       # %bb.0: # %entry35; WIN64-NEXT:    cmpl %edx, %ecx # encoding: [0x39,0xd1]36; WIN64-NEXT:    jne bar # TAILCALL37; WIN64-NEXT:    # encoding: [0x75,A]38; WIN64-NEXT:    # fixup A - offset: 1, value: bar, kind: FK_PCRel_139; WIN64-NEXT:  # %bb.1: # %bb140; WIN64-NEXT:    jmp foo # TAILCALL41; WIN64-NEXT:    # encoding: [0xeb,A]42; WIN64-NEXT:    # fixup A - offset: 1, value: foo, kind: FK_PCRel_143entry:44	%p = icmp eq i32 %x, %y45  br i1 %p, label %bb1, label %bb246bb1:47  tail call void @foo()48  ret void49bb2:50  tail call void @bar()51  ret void52 53; Check that the asm doesn't just look good, but uses the correct encoding.54}55 56define void @f_non_leaf(i32 %x, i32 %y) optsize {57; CHECK32-LABEL: f_non_leaf:58; CHECK32:       # %bb.0: # %entry59; CHECK32-NEXT:    pushl %ebx # encoding: [0x53]60; CHECK32-NEXT:    .cfi_def_cfa_offset 861; CHECK32-NEXT:    .cfi_offset %ebx, -862; CHECK32-NEXT:    movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x08]63; CHECK32-NEXT:    #APP64; CHECK32-NEXT:    #NO_APP65; CHECK32-NEXT:    cmpl {{[0-9]+}}(%esp), %eax # encoding: [0x3b,0x44,0x24,0x0c]66; CHECK32-NEXT:    jne .LBB1_2 # encoding: [0x75,A]67; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB1_2, kind: FK_PCRel_168; CHECK32-NEXT:  # %bb.1: # %bb169; CHECK32-NEXT:    popl %ebx # encoding: [0x5b]70; CHECK32-NEXT:    .cfi_def_cfa_offset 471; CHECK32-NEXT:    jmp foo # TAILCALL72; CHECK32-NEXT:    # encoding: [0xeb,A]73; CHECK32-NEXT:    # fixup A - offset: 1, value: foo, kind: FK_PCRel_174; CHECK32-NEXT:  .LBB1_2: # %bb275; CHECK32-NEXT:    .cfi_def_cfa_offset 876; CHECK32-NEXT:    popl %ebx # encoding: [0x5b]77; CHECK32-NEXT:    .cfi_def_cfa_offset 478; CHECK32-NEXT:    jmp bar # TAILCALL79; CHECK32-NEXT:    # encoding: [0xeb,A]80; CHECK32-NEXT:    # fixup A - offset: 1, value: bar, kind: FK_PCRel_181;82; CHECK64-LABEL: f_non_leaf:83; CHECK64:       # %bb.0: # %entry84; CHECK64-NEXT:    pushq %rbx # encoding: [0x53]85; CHECK64-NEXT:    .cfi_def_cfa_offset 1686; CHECK64-NEXT:    .cfi_offset %rbx, -1687; CHECK64-NEXT:    #APP88; CHECK64-NEXT:    #NO_APP89; CHECK64-NEXT:    cmpl %esi, %edi # encoding: [0x39,0xf7]90; CHECK64-NEXT:    jne .LBB1_2 # encoding: [0x75,A]91; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB1_2, kind: FK_PCRel_192; CHECK64-NEXT:  # %bb.1: # %bb193; CHECK64-NEXT:    popq %rbx # encoding: [0x5b]94; CHECK64-NEXT:    .cfi_def_cfa_offset 895; CHECK64-NEXT:    jmp foo # TAILCALL96; CHECK64-NEXT:    # encoding: [0xeb,A]97; CHECK64-NEXT:    # fixup A - offset: 1, value: foo, kind: FK_PCRel_198; CHECK64-NEXT:  .LBB1_2: # %bb299; CHECK64-NEXT:    .cfi_def_cfa_offset 16100; CHECK64-NEXT:    popq %rbx # encoding: [0x5b]101; CHECK64-NEXT:    .cfi_def_cfa_offset 8102; CHECK64-NEXT:    jmp bar # TAILCALL103; CHECK64-NEXT:    # encoding: [0xeb,A]104; CHECK64-NEXT:    # fixup A - offset: 1, value: bar, kind: FK_PCRel_1105;106; WIN64-LABEL: f_non_leaf:107; WIN64:       # %bb.0: # %entry108; WIN64-NEXT:    pushq %rbx # encoding: [0x53]109; WIN64-NEXT:    .seh_pushreg %rbx110; WIN64-NEXT:    .seh_endprologue111; WIN64-NEXT:    #APP112; WIN64-NEXT:    #NO_APP113; WIN64-NEXT:    cmpl %edx, %ecx # encoding: [0x39,0xd1]114; WIN64-NEXT:    jne .LBB1_2 # encoding: [0x75,A]115; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB1_2, kind: FK_PCRel_1116; WIN64-NEXT:  # %bb.1: # %bb1117; WIN64-NEXT:    .seh_startepilogue118; WIN64-NEXT:    popq %rbx # encoding: [0x5b]119; WIN64-NEXT:    .seh_endepilogue120; WIN64-NEXT:    jmp foo # TAILCALL121; WIN64-NEXT:    # encoding: [0xeb,A]122; WIN64-NEXT:    # fixup A - offset: 1, value: foo, kind: FK_PCRel_1123; WIN64-NEXT:  .LBB1_2: # %bb2124; WIN64-NEXT:    .seh_startepilogue125; WIN64-NEXT:    popq %rbx # encoding: [0x5b]126; WIN64-NEXT:    .seh_endepilogue127; WIN64-NEXT:    jmp bar # TAILCALL128; WIN64-NEXT:    # encoding: [0xeb,A]129; WIN64-NEXT:    # fixup A - offset: 1, value: bar, kind: FK_PCRel_1130; WIN64-NEXT:    .seh_endproc131entry:132  ; Force %ebx to be spilled on the stack, turning this into133  ; not a "leaf" function for Win64.134  tail call void asm sideeffect "", "~{ebx}"()135 136	%p = icmp eq i32 %x, %y137  br i1 %p, label %bb1, label %bb2138bb1:139  tail call void @foo()140  ret void141bb2:142  tail call void @bar()143  ret void144 145}146 147declare dso_local x86_thiscallcc zeroext i1 @baz(ptr, i32)148define x86_thiscallcc zeroext i1 @BlockPlacementTest(ptr %this, i32 %x) optsize {149; CHECK32-LABEL: BlockPlacementTest:150; CHECK32:       # %bb.0: # %entry151; CHECK32-NEXT:    movl {{[0-9]+}}(%esp), %edx # encoding: [0x8b,0x54,0x24,0x04]152; CHECK32-NEXT:    testb $42, %dl # encoding: [0xf6,0xc2,0x2a]153; CHECK32-NEXT:    je .LBB2_3 # encoding: [0x74,A]154; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB2_3, kind: FK_PCRel_1155; CHECK32-NEXT:  # %bb.1: # %land.rhs156; CHECK32-NEXT:    movb $1, %al # encoding: [0xb0,0x01]157; CHECK32-NEXT:    testb $44, %dl # encoding: [0xf6,0xc2,0x2c]158; CHECK32-NEXT:    je baz # TAILCALL159; CHECK32-NEXT:    # encoding: [0x74,A]160; CHECK32-NEXT:    # fixup A - offset: 1, value: baz, kind: FK_PCRel_1161; CHECK32-NEXT:  .LBB2_2: # %land.end162; CHECK32-NEXT:    # kill: def $al killed $al killed $eax163; CHECK32-NEXT:    retl $4 # encoding: [0xc2,0x04,0x00]164; CHECK32-NEXT:  .LBB2_3:165; CHECK32-NEXT:    xorl %eax, %eax # encoding: [0x31,0xc0]166; CHECK32-NEXT:    jmp .LBB2_2 # encoding: [0xeb,A]167; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB2_2, kind: FK_PCRel_1168;169; CHECK64-LABEL: BlockPlacementTest:170; CHECK64:       # %bb.0: # %entry171; CHECK64-NEXT:    testb $42, %sil # encoding: [0x40,0xf6,0xc6,0x2a]172; CHECK64-NEXT:    je .LBB2_3 # encoding: [0x74,A]173; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB2_3, kind: FK_PCRel_1174; CHECK64-NEXT:  # %bb.1: # %land.rhs175; CHECK64-NEXT:    movb $1, %al # encoding: [0xb0,0x01]176; CHECK64-NEXT:    testb $44, %sil # encoding: [0x40,0xf6,0xc6,0x2c]177; CHECK64-NEXT:    je baz # TAILCALL178; CHECK64-NEXT:    # encoding: [0x74,A]179; CHECK64-NEXT:    # fixup A - offset: 1, value: baz, kind: FK_PCRel_1180; CHECK64-NEXT:  .LBB2_2: # %land.end181; CHECK64-NEXT:    # kill: def $al killed $al killed $eax182; CHECK64-NEXT:    retq # encoding: [0xc3]183; CHECK64-NEXT:  .LBB2_3:184; CHECK64-NEXT:    xorl %eax, %eax # encoding: [0x31,0xc0]185; CHECK64-NEXT:    jmp .LBB2_2 # encoding: [0xeb,A]186; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB2_2, kind: FK_PCRel_1187;188; WIN64-LABEL: BlockPlacementTest:189; WIN64:       # %bb.0: # %entry190; WIN64-NEXT:    testb $42, %dl # encoding: [0xf6,0xc2,0x2a]191; WIN64-NEXT:    je .LBB2_3 # encoding: [0x74,A]192; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB2_3, kind: FK_PCRel_1193; WIN64-NEXT:  # %bb.1: # %land.rhs194; WIN64-NEXT:    movb $1, %al # encoding: [0xb0,0x01]195; WIN64-NEXT:    testb $44, %dl # encoding: [0xf6,0xc2,0x2c]196; WIN64-NEXT:    je baz # TAILCALL197; WIN64-NEXT:    # encoding: [0x74,A]198; WIN64-NEXT:    # fixup A - offset: 1, value: baz, kind: FK_PCRel_1199; WIN64-NEXT:  .LBB2_2: # %land.end200; WIN64-NEXT:    # kill: def $al killed $al killed $eax201; WIN64-NEXT:    retq # encoding: [0xc3]202; WIN64-NEXT:  .LBB2_3:203; WIN64-NEXT:    xorl %eax, %eax # encoding: [0x31,0xc0]204; WIN64-NEXT:    jmp .LBB2_2 # encoding: [0xeb,A]205; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB2_2, kind: FK_PCRel_1206entry:207  %and = and i32 %x, 42208  %tobool = icmp eq i32 %and, 0209  br i1 %tobool, label %land.end, label %land.rhs210 211land.rhs:212  %and6 = and i32 %x, 44213  %tobool7 = icmp eq i32 %and6, 0214  br i1 %tobool7, label %lor.rhs, label %land.end215 216lor.rhs:217  %call = tail call x86_thiscallcc zeroext i1 @baz(ptr %this, i32 %x) #2218  br label %land.end219 220land.end:221  %0 = phi i1 [ false, %entry ], [ true, %land.rhs ], [ %call, %lor.rhs ]222  ret i1 %0223 224; Make sure machine block placement isn't confused by the conditional tail call,225; but sees that it can fall through to the next block.226}227 228 229 230%"class.std::basic_string" = type { %"struct.std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider" }231%"struct.std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider" = type { ptr }232declare dso_local zeroext i1 @_Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_(ptr, ptr)233 234define zeroext i1 @pr31257(ptr nocapture readonly dereferenceable(8) %s) minsize {235; CHECK32-LABEL: pr31257:236; CHECK32:       # %bb.0: # %entry237; CHECK32-NEXT:    pushl %ebp # encoding: [0x55]238; CHECK32-NEXT:    .cfi_def_cfa_offset 8239; CHECK32-NEXT:    pushl %ebx # encoding: [0x53]240; CHECK32-NEXT:    .cfi_def_cfa_offset 12241; CHECK32-NEXT:    pushl %edi # encoding: [0x57]242; CHECK32-NEXT:    .cfi_def_cfa_offset 16243; CHECK32-NEXT:    pushl %esi # encoding: [0x56]244; CHECK32-NEXT:    .cfi_def_cfa_offset 20245; CHECK32-NEXT:    subl $12, %esp # encoding: [0x83,0xec,0x0c]246; CHECK32-NEXT:    .cfi_def_cfa_offset 32247; CHECK32-NEXT:    .cfi_offset %esi, -20248; CHECK32-NEXT:    .cfi_offset %edi, -16249; CHECK32-NEXT:    .cfi_offset %ebx, -12250; CHECK32-NEXT:    .cfi_offset %ebp, -8251; CHECK32-NEXT:    movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x20]252; CHECK32-NEXT:    movl (%eax), %eax # encoding: [0x8b,0x00]253; CHECK32-NEXT:    movl -24(%eax), %edx # encoding: [0x8b,0x50,0xe8]254; CHECK32-NEXT:    leal (%eax,%edx), %ecx # encoding: [0x8d,0x0c,0x10]255; CHECK32-NEXT:    xorl %ebx, %ebx # encoding: [0x31,0xdb]256; CHECK32-NEXT:    pushl $2 # encoding: [0x6a,0x02]257; CHECK32-NEXT:    .cfi_adjust_cfa_offset 4258; CHECK32-NEXT:    popl %esi # encoding: [0x5e]259; CHECK32-NEXT:    .cfi_adjust_cfa_offset -4260; CHECK32-NEXT:    xorl %edi, %edi # encoding: [0x31,0xff]261; CHECK32-NEXT:    incl %edi # encoding: [0x47]262; CHECK32-NEXT:  .LBB3_1: # %for.cond263; CHECK32-NEXT:    # =>This Inner Loop Header: Depth=1264; CHECK32-NEXT:    testl %edx, %edx # encoding: [0x85,0xd2]265; CHECK32-NEXT:    je .LBB3_14 # encoding: [0x74,A]266; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_14, kind: FK_PCRel_1267; CHECK32-NEXT:  # %bb.2: # %for.body268; CHECK32-NEXT:    # in Loop: Header=BB3_1 Depth=1269; CHECK32-NEXT:    cmpl $2, %ebx # encoding: [0x83,0xfb,0x02]270; CHECK32-NEXT:    je .LBB3_12 # encoding: [0x74,A]271; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_12, kind: FK_PCRel_1272; CHECK32-NEXT:  # %bb.3: # %for.body273; CHECK32-NEXT:    # in Loop: Header=BB3_1 Depth=1274; CHECK32-NEXT:    cmpl $1, %ebx # encoding: [0x83,0xfb,0x01]275; CHECK32-NEXT:    je .LBB3_10 # encoding: [0x74,A]276; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_10, kind: FK_PCRel_1277; CHECK32-NEXT:  # %bb.4: # %for.body278; CHECK32-NEXT:    # in Loop: Header=BB3_1 Depth=1279; CHECK32-NEXT:    testl %ebx, %ebx # encoding: [0x85,0xdb]280; CHECK32-NEXT:    jne .LBB3_11 # encoding: [0x75,A]281; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_11, kind: FK_PCRel_1282; CHECK32-NEXT:  # %bb.5: # %sw.bb283; CHECK32-NEXT:    # in Loop: Header=BB3_1 Depth=1284; CHECK32-NEXT:    movzbl (%eax), %ebp # encoding: [0x0f,0xb6,0x28]285; CHECK32-NEXT:    cmpl $43, %ebp # encoding: [0x83,0xfd,0x2b]286; CHECK32-NEXT:    movl %edi, %ebx # encoding: [0x89,0xfb]287; CHECK32-NEXT:    je .LBB3_11 # encoding: [0x74,A]288; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_11, kind: FK_PCRel_1289; CHECK32-NEXT:  # %bb.6: # %sw.bb290; CHECK32-NEXT:    # in Loop: Header=BB3_1 Depth=1291; CHECK32-NEXT:    cmpl $45, %ebp # encoding: [0x83,0xfd,0x2d]292; CHECK32-NEXT:    movl %edi, %ebx # encoding: [0x89,0xfb]293; CHECK32-NEXT:    je .LBB3_11 # encoding: [0x74,A]294; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_11, kind: FK_PCRel_1295; CHECK32-NEXT:  # %bb.7: # %if.else296; CHECK32-NEXT:    # in Loop: Header=BB3_1 Depth=1297; CHECK32-NEXT:    addl $-48, %ebp # encoding: [0x83,0xc5,0xd0]298; CHECK32-NEXT:    cmpl $10, %ebp # encoding: [0x83,0xfd,0x0a]299; CHECK32-NEXT:    jmp .LBB3_8 # encoding: [0xeb,A]300; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_8, kind: FK_PCRel_1301; CHECK32-NEXT:  .LBB3_10: # %sw.bb14302; CHECK32-NEXT:    # in Loop: Header=BB3_1 Depth=1303; CHECK32-NEXT:    movzbl (%eax), %ebx # encoding: [0x0f,0xb6,0x18]304; CHECK32-NEXT:    addl $-48, %ebx # encoding: [0x83,0xc3,0xd0]305; CHECK32-NEXT:    cmpl $10, %ebx # encoding: [0x83,0xfb,0x0a]306; CHECK32-NEXT:  .LBB3_8: # %if.else307; CHECK32-NEXT:    # in Loop: Header=BB3_1 Depth=1308; CHECK32-NEXT:    movl %esi, %ebx # encoding: [0x89,0xf3]309; CHECK32-NEXT:    jae .LBB3_9 # encoding: [0x73,A]310; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_9, kind: FK_PCRel_1311; CHECK32-NEXT:    jmp .LBB3_11 # encoding: [0xeb,A]312; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_11, kind: FK_PCRel_1313; CHECK32-NEXT:  .LBB3_12: # %sw.bb22314; CHECK32-NEXT:    # in Loop: Header=BB3_1 Depth=1315; CHECK32-NEXT:    movzbl (%eax), %ebx # encoding: [0x0f,0xb6,0x18]316; CHECK32-NEXT:    addl $-48, %ebx # encoding: [0x83,0xc3,0xd0]317; CHECK32-NEXT:    cmpl $10, %ebx # encoding: [0x83,0xfb,0x0a]318; CHECK32-NEXT:    movl %esi, %ebx # encoding: [0x89,0xf3]319; CHECK32-NEXT:    jae .LBB3_13 # encoding: [0x73,A]320; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_13, kind: FK_PCRel_1321; CHECK32-NEXT:  .LBB3_11: # %for.inc322; CHECK32-NEXT:    # in Loop: Header=BB3_1 Depth=1323; CHECK32-NEXT:    incl %eax # encoding: [0x40]324; CHECK32-NEXT:    decl %edx # encoding: [0x4a]325; CHECK32-NEXT:    jmp .LBB3_1 # encoding: [0xeb,A]326; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_1, kind: FK_PCRel_1327; CHECK32-NEXT:  .LBB3_14:328; CHECK32-NEXT:    cmpl $2, %ebx # encoding: [0x83,0xfb,0x02]329; CHECK32-NEXT:    sete %al # encoding: [0x0f,0x94,0xc0]330; CHECK32-NEXT:    jmp .LBB3_15 # encoding: [0xeb,A]331; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_15, kind: FK_PCRel_1332; CHECK32-NEXT:  .LBB3_9:333; CHECK32-NEXT:    xorl %eax, %eax # encoding: [0x31,0xc0]334; CHECK32-NEXT:  .LBB3_15: # %cleanup.thread335; CHECK32-NEXT:    # kill: def $al killed $al killed $eax336; CHECK32-NEXT:    addl $12, %esp # encoding: [0x83,0xc4,0x0c]337; CHECK32-NEXT:    .cfi_def_cfa_offset 20338; CHECK32-NEXT:  .LBB3_16: # %cleanup.thread339; CHECK32-NEXT:    popl %esi # encoding: [0x5e]340; CHECK32-NEXT:    .cfi_def_cfa_offset 16341; CHECK32-NEXT:    popl %edi # encoding: [0x5f]342; CHECK32-NEXT:    .cfi_def_cfa_offset 12343; CHECK32-NEXT:    popl %ebx # encoding: [0x5b]344; CHECK32-NEXT:    .cfi_def_cfa_offset 8345; CHECK32-NEXT:    popl %ebp # encoding: [0x5d]346; CHECK32-NEXT:    .cfi_def_cfa_offset 4347; CHECK32-NEXT:    retl # encoding: [0xc3]348; CHECK32-NEXT:  .LBB3_13: # %if.else28349; CHECK32-NEXT:    .cfi_def_cfa_offset 32350; CHECK32-NEXT:    subl $8, %esp # encoding: [0x83,0xec,0x08]351; CHECK32-NEXT:    .cfi_adjust_cfa_offset 8352; CHECK32-NEXT:    pushl %ecx # encoding: [0x51]353; CHECK32-NEXT:    .cfi_adjust_cfa_offset 4354; CHECK32-NEXT:    pushl %eax # encoding: [0x50]355; CHECK32-NEXT:    .cfi_adjust_cfa_offset 4356; CHECK32-NEXT:    calll _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_ # encoding: [0xe8,A,A,A,A]357; CHECK32-NEXT:    # fixup A - offset: 1, value: _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_, kind: FK_PCRel_4358; CHECK32-NEXT:    addl $28, %esp # encoding: [0x83,0xc4,0x1c]359; CHECK32-NEXT:    .cfi_adjust_cfa_offset -28360; CHECK32-NEXT:    jmp .LBB3_16 # encoding: [0xeb,A]361; CHECK32-NEXT:    # fixup A - offset: 1, value: .LBB3_16, kind: FK_PCRel_1362;363; CHECK64-LABEL: pr31257:364; CHECK64:       # %bb.0: # %entry365; CHECK64-NEXT:    movq (%rdi), %rdi # encoding: [0x48,0x8b,0x3f]366; CHECK64-NEXT:    movq -24(%rdi), %rax # encoding: [0x48,0x8b,0x47,0xe8]367; CHECK64-NEXT:    leaq (%rdi,%rax), %rsi # encoding: [0x48,0x8d,0x34,0x07]368; CHECK64-NEXT:    xorl %r8d, %r8d # encoding: [0x45,0x31,0xc0]369; CHECK64-NEXT:    pushq $2 # encoding: [0x6a,0x02]370; CHECK64-NEXT:    .cfi_adjust_cfa_offset 8371; CHECK64-NEXT:    popq %rcx # encoding: [0x59]372; CHECK64-NEXT:    .cfi_adjust_cfa_offset -8373; CHECK64-NEXT:    pushq $1 # encoding: [0x6a,0x01]374; CHECK64-NEXT:    .cfi_adjust_cfa_offset 8375; CHECK64-NEXT:    popq %rdx # encoding: [0x5a]376; CHECK64-NEXT:    .cfi_adjust_cfa_offset -8377; CHECK64-NEXT:  .LBB3_1: # %for.cond378; CHECK64-NEXT:    # =>This Inner Loop Header: Depth=1379; CHECK64-NEXT:    testq %rax, %rax # encoding: [0x48,0x85,0xc0]380; CHECK64-NEXT:    je .LBB3_12 # encoding: [0x74,A]381; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB3_12, kind: FK_PCRel_1382; CHECK64-NEXT:  # %bb.2: # %for.body383; CHECK64-NEXT:    # in Loop: Header=BB3_1 Depth=1384; CHECK64-NEXT:    cmpl $2, %r8d # encoding: [0x41,0x83,0xf8,0x02]385; CHECK64-NEXT:    je .LBB3_10 # encoding: [0x74,A]386; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB3_10, kind: FK_PCRel_1387; CHECK64-NEXT:  # %bb.3: # %for.body388; CHECK64-NEXT:    # in Loop: Header=BB3_1 Depth=1389; CHECK64-NEXT:    cmpl $1, %r8d # encoding: [0x41,0x83,0xf8,0x01]390; CHECK64-NEXT:    je .LBB3_8 # encoding: [0x74,A]391; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB3_8, kind: FK_PCRel_1392; CHECK64-NEXT:  # %bb.4: # %for.body393; CHECK64-NEXT:    # in Loop: Header=BB3_1 Depth=1394; CHECK64-NEXT:    testl %r8d, %r8d # encoding: [0x45,0x85,0xc0]395; CHECK64-NEXT:    jne .LBB3_11 # encoding: [0x75,A]396; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB3_11, kind: FK_PCRel_1397; CHECK64-NEXT:  # %bb.5: # %sw.bb398; CHECK64-NEXT:    # in Loop: Header=BB3_1 Depth=1399; CHECK64-NEXT:    movzbl (%rdi), %r9d # encoding: [0x44,0x0f,0xb6,0x0f]400; CHECK64-NEXT:    cmpl $43, %r9d # encoding: [0x41,0x83,0xf9,0x2b]401; CHECK64-NEXT:    movl %edx, %r8d # encoding: [0x41,0x89,0xd0]402; CHECK64-NEXT:    je .LBB3_11 # encoding: [0x74,A]403; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB3_11, kind: FK_PCRel_1404; CHECK64-NEXT:  # %bb.6: # %sw.bb405; CHECK64-NEXT:    # in Loop: Header=BB3_1 Depth=1406; CHECK64-NEXT:    cmpl $45, %r9d # encoding: [0x41,0x83,0xf9,0x2d]407; CHECK64-NEXT:    movl %edx, %r8d # encoding: [0x41,0x89,0xd0]408; CHECK64-NEXT:    je .LBB3_11 # encoding: [0x74,A]409; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB3_11, kind: FK_PCRel_1410; CHECK64-NEXT:  # %bb.7: # %if.else411; CHECK64-NEXT:    # in Loop: Header=BB3_1 Depth=1412; CHECK64-NEXT:    addl $-48, %r9d # encoding: [0x41,0x83,0xc1,0xd0]413; CHECK64-NEXT:    cmpl $10, %r9d # encoding: [0x41,0x83,0xf9,0x0a]414; CHECK64-NEXT:    jmp .LBB3_9 # encoding: [0xeb,A]415; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB3_9, kind: FK_PCRel_1416; CHECK64-NEXT:  .LBB3_8: # %sw.bb14417; CHECK64-NEXT:    # in Loop: Header=BB3_1 Depth=1418; CHECK64-NEXT:    movzbl (%rdi), %r8d # encoding: [0x44,0x0f,0xb6,0x07]419; CHECK64-NEXT:    addl $-48, %r8d # encoding: [0x41,0x83,0xc0,0xd0]420; CHECK64-NEXT:    cmpl $10, %r8d # encoding: [0x41,0x83,0xf8,0x0a]421; CHECK64-NEXT:  .LBB3_9: # %if.else422; CHECK64-NEXT:    # in Loop: Header=BB3_1 Depth=1423; CHECK64-NEXT:    movl %ecx, %r8d # encoding: [0x41,0x89,0xc8]424; CHECK64-NEXT:    jb .LBB3_11 # encoding: [0x72,A]425; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB3_11, kind: FK_PCRel_1426; CHECK64-NEXT:    jmp .LBB3_13 # encoding: [0xeb,A]427; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB3_13, kind: FK_PCRel_1428; CHECK64-NEXT:  .LBB3_10: # %sw.bb22429; CHECK64-NEXT:    # in Loop: Header=BB3_1 Depth=1430; CHECK64-NEXT:    movzbl (%rdi), %r8d # encoding: [0x44,0x0f,0xb6,0x07]431; CHECK64-NEXT:    addl $-48, %r8d # encoding: [0x41,0x83,0xc0,0xd0]432; CHECK64-NEXT:    cmpl $10, %r8d # encoding: [0x41,0x83,0xf8,0x0a]433; CHECK64-NEXT:    movl %ecx, %r8d # encoding: [0x41,0x89,0xc8]434; CHECK64-NEXT:    jae _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_ # TAILCALL435; CHECK64-NEXT:    # encoding: [0x73,A]436; CHECK64-NEXT:    # fixup A - offset: 1, value: _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_, kind: FK_PCRel_1437; CHECK64-NEXT:  .LBB3_11: # %for.inc438; CHECK64-NEXT:    # in Loop: Header=BB3_1 Depth=1439; CHECK64-NEXT:    incq %rdi # encoding: [0x48,0xff,0xc7]440; CHECK64-NEXT:    decq %rax # encoding: [0x48,0xff,0xc8]441; CHECK64-NEXT:    jmp .LBB3_1 # encoding: [0xeb,A]442; CHECK64-NEXT:    # fixup A - offset: 1, value: .LBB3_1, kind: FK_PCRel_1443; CHECK64-NEXT:  .LBB3_12:444; CHECK64-NEXT:    cmpl $2, %r8d # encoding: [0x41,0x83,0xf8,0x02]445; CHECK64-NEXT:    sete %al # encoding: [0x0f,0x94,0xc0]446; CHECK64-NEXT:    # kill: def $al killed $al killed $eax447; CHECK64-NEXT:    retq # encoding: [0xc3]448; CHECK64-NEXT:  .LBB3_13:449; CHECK64-NEXT:    xorl %eax, %eax # encoding: [0x31,0xc0]450; CHECK64-NEXT:    # kill: def $al killed $al killed $eax451; CHECK64-NEXT:    retq # encoding: [0xc3]452;453; WIN64-LABEL: pr31257:454; WIN64:       # %bb.0: # %entry455; WIN64-NEXT:    movq (%rcx), %rcx # encoding: [0x48,0x8b,0x09]456; WIN64-NEXT:    movq -24(%rcx), %rax # encoding: [0x48,0x8b,0x41,0xe8]457; WIN64-NEXT:    leaq (%rcx,%rax), %rdx # encoding: [0x48,0x8d,0x14,0x01]458; WIN64-NEXT:    xorl %r8d, %r8d # encoding: [0x45,0x31,0xc0]459; WIN64-NEXT:  .LBB3_1: # %for.cond460; WIN64-NEXT:    # =>This Inner Loop Header: Depth=1461; WIN64-NEXT:    testq %rax, %rax # encoding: [0x48,0x85,0xc0]462; WIN64-NEXT:    je .LBB3_11 # encoding: [0x74,A]463; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB3_11, kind: FK_PCRel_1464; WIN64-NEXT:  # %bb.2: # %for.body465; WIN64-NEXT:    # in Loop: Header=BB3_1 Depth=1466; WIN64-NEXT:    cmpl $2, %r8d # encoding: [0x41,0x83,0xf8,0x02]467; WIN64-NEXT:    je .LBB3_9 # encoding: [0x74,A]468; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB3_9, kind: FK_PCRel_1469; WIN64-NEXT:  # %bb.3: # %for.body470; WIN64-NEXT:    # in Loop: Header=BB3_1 Depth=1471; WIN64-NEXT:    cmpl $1, %r8d # encoding: [0x41,0x83,0xf8,0x01]472; WIN64-NEXT:    je .LBB3_7 # encoding: [0x74,A]473; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB3_7, kind: FK_PCRel_1474; WIN64-NEXT:  # %bb.4: # %for.body475; WIN64-NEXT:    # in Loop: Header=BB3_1 Depth=1476; WIN64-NEXT:    testl %r8d, %r8d # encoding: [0x45,0x85,0xc0]477; WIN64-NEXT:    jne .LBB3_10 # encoding: [0x75,A]478; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB3_10, kind: FK_PCRel_1479; WIN64-NEXT:  # %bb.5: # %sw.bb480; WIN64-NEXT:    # in Loop: Header=BB3_1 Depth=1481; WIN64-NEXT:    movzbl (%rcx), %r9d # encoding: [0x44,0x0f,0xb6,0x09]482; WIN64-NEXT:    cmpl $43, %r9d # encoding: [0x41,0x83,0xf9,0x2b]483; WIN64-NEXT:    movl $1, %r8d # encoding: [0x41,0xb8,0x01,0x00,0x00,0x00]484; WIN64-NEXT:    je .LBB3_10 # encoding: [0x74,A]485; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB3_10, kind: FK_PCRel_1486; WIN64-NEXT:  # %bb.6: # %sw.bb487; WIN64-NEXT:    # in Loop: Header=BB3_1 Depth=1488; WIN64-NEXT:    cmpl $45, %r9d # encoding: [0x41,0x83,0xf9,0x2d]489; WIN64-NEXT:    jne .LBB3_8 # encoding: [0x75,A]490; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB3_8, kind: FK_PCRel_1491; WIN64-NEXT:    jmp .LBB3_10 # encoding: [0xeb,A]492; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB3_10, kind: FK_PCRel_1493; WIN64-NEXT:  .LBB3_7: # %sw.bb14494; WIN64-NEXT:    # in Loop: Header=BB3_1 Depth=1495; WIN64-NEXT:    movzbl (%rcx), %r9d # encoding: [0x44,0x0f,0xb6,0x09]496; WIN64-NEXT:  .LBB3_8: # %if.else497; WIN64-NEXT:    # in Loop: Header=BB3_1 Depth=1498; WIN64-NEXT:    addl $-48, %r9d # encoding: [0x41,0x83,0xc1,0xd0]499; WIN64-NEXT:    movl $2, %r8d # encoding: [0x41,0xb8,0x02,0x00,0x00,0x00]500; WIN64-NEXT:    cmpl $10, %r9d # encoding: [0x41,0x83,0xf9,0x0a]501; WIN64-NEXT:    jb .LBB3_10 # encoding: [0x72,A]502; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB3_10, kind: FK_PCRel_1503; WIN64-NEXT:    jmp .LBB3_12 # encoding: [0xeb,A]504; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB3_12, kind: FK_PCRel_1505; WIN64-NEXT:  .LBB3_9: # %sw.bb22506; WIN64-NEXT:    # in Loop: Header=BB3_1 Depth=1507; WIN64-NEXT:    movzbl (%rcx), %r9d # encoding: [0x44,0x0f,0xb6,0x09]508; WIN64-NEXT:    addl $-48, %r9d # encoding: [0x41,0x83,0xc1,0xd0]509; WIN64-NEXT:    movl $2, %r8d # encoding: [0x41,0xb8,0x02,0x00,0x00,0x00]510; WIN64-NEXT:    cmpl $10, %r9d # encoding: [0x41,0x83,0xf9,0x0a]511; WIN64-NEXT:    jae _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_ # TAILCALL512; WIN64-NEXT:    # encoding: [0x73,A]513; WIN64-NEXT:    # fixup A - offset: 1, value: _Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_, kind: FK_PCRel_1514; WIN64-NEXT:  .LBB3_10: # %for.inc515; WIN64-NEXT:    # in Loop: Header=BB3_1 Depth=1516; WIN64-NEXT:    incq %rcx # encoding: [0x48,0xff,0xc1]517; WIN64-NEXT:    decq %rax # encoding: [0x48,0xff,0xc8]518; WIN64-NEXT:    jmp .LBB3_1 # encoding: [0xeb,A]519; WIN64-NEXT:    # fixup A - offset: 1, value: .LBB3_1, kind: FK_PCRel_1520; WIN64-NEXT:  .LBB3_11:521; WIN64-NEXT:    cmpl $2, %r8d # encoding: [0x41,0x83,0xf8,0x02]522; WIN64-NEXT:    sete %al # encoding: [0x0f,0x94,0xc0]523; WIN64-NEXT:    # kill: def $al killed $al killed $eax524; WIN64-NEXT:    retq # encoding: [0xc3]525; WIN64-NEXT:  .LBB3_12:526; WIN64-NEXT:    xorl %eax, %eax # encoding: [0x31,0xc0]527; WIN64-NEXT:    # kill: def $al killed $al killed $eax528; WIN64-NEXT:    retq # encoding: [0xc3]529entry:530  %0 = load ptr, ptr %s, align 8531  %arrayidx.i.i.i54 = getelementptr inbounds i8, ptr %0, i64 -24532  %1 = load i64, ptr %arrayidx.i.i.i54, align 8533  %add.ptr.i56 = getelementptr inbounds i8, ptr %0, i64 %1534  br label %for.cond535 536for.cond:                                         ; preds = %for.inc, %entry537  %it.sroa.0.0 = phi ptr [ %0, %entry ], [ %incdec.ptr.i, %for.inc ]538  %state.0 = phi i32 [ 0, %entry ], [ %state.1, %for.inc ]539  %cmp.i = icmp eq ptr %it.sroa.0.0, %add.ptr.i56540  br i1 %cmp.i, label %5, label %for.body541 542for.body:                                         ; preds = %for.cond543  switch i32 %state.0, label %for.inc [544    i32 0, label %sw.bb545    i32 1, label %sw.bb14546    i32 2, label %sw.bb22547  ]548 549sw.bb:                                            ; preds = %for.body550  %2 = load i8, ptr %it.sroa.0.0, align 1551  switch i8 %2, label %if.else [552    i8 43, label %for.inc553    i8 45, label %for.inc554  ]555 556if.else:                                          ; preds = %sw.bb557  %conv9 = zext i8 %2 to i32558  %isdigittmp45 = add nsw i32 %conv9, -48559  %isdigit46 = icmp ult i32 %isdigittmp45, 10560  br i1 %isdigit46, label %for.inc, label %cleanup.thread.loopexit561 562sw.bb14:                                          ; preds = %for.body563  %3 = load i8, ptr %it.sroa.0.0, align 1564  %conv16 = zext i8 %3 to i32565  %isdigittmp43 = add nsw i32 %conv16, -48566  %isdigit44 = icmp ult i32 %isdigittmp43, 10567  br i1 %isdigit44, label %for.inc, label %cleanup.thread.loopexit568 569sw.bb22:                                          ; preds = %for.body570  %4 = load i8, ptr %it.sroa.0.0, align 1571  %conv24 = zext i8 %4 to i32572  %isdigittmp = add nsw i32 %conv24, -48573  %isdigit = icmp ult i32 %isdigittmp, 10574  br i1 %isdigit, label %for.inc, label %if.else28575 576; Make sure Machine Copy Propagation doesn't delete the mov to %ecx becaue it577; thinks the conditional tail call clobbers it.578 579if.else28:                                        ; preds = %sw.bb22580  %call34 = tail call zeroext i1 @_Z20isValidIntegerSuffixN9__gnu_cxx17__normal_iteratorIPKcSsEES3_(ptr nonnull %it.sroa.0.0, ptr %add.ptr.i56)581  br label %cleanup.thread582 583for.inc:                                          ; preds = %sw.bb, %sw.bb, %sw.bb22, %sw.bb14, %if.else, %for.body584  %state.1 = phi i32 [ %state.0, %for.body ], [ 1, %sw.bb ], [ 2, %if.else ], [ 2, %sw.bb14 ], [ 2, %sw.bb22 ], [ 1, %sw.bb ]585  %incdec.ptr.i = getelementptr inbounds i8, ptr %it.sroa.0.0, i64 1586  br label %for.cond587 588; <label>:5:                                      ; preds = %for.cond589  %cmp37 = icmp eq i32 %state.0, 2590  br label %cleanup.thread591 592cleanup.thread.loopexit:                          ; preds = %if.else, %sw.bb14593  br label %cleanup.thread594 595cleanup.thread:                                   ; preds = %cleanup.thread.loopexit, %if.else28, %5596  %6 = phi i1 [ %cmp37, %5 ], [ %call34, %if.else28 ], [ false, %cleanup.thread.loopexit ]597  ret i1 %6598}599