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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=i386-unknown-unknown -disable-cgp-branch-opts | FileCheck %s --check-prefix=X863; RUN: llc < %s -mtriple=x86_64-unknown-unknown -disable-cgp-branch-opts | FileCheck %s --check-prefix=X644 5; rdar://75732166; PR61467 8define i32 @t1(i32 %x) nounwind readnone ssp {9; X86-LABEL: t1:10; X86: # %bb.0:11; X86-NEXT: xorl %eax, %eax12; X86-NEXT: cmpl $1, {{[0-9]+}}(%esp)13; X86-NEXT: sbbl %eax, %eax14; X86-NEXT: retl15;16; X64-LABEL: t1:17; X64: # %bb.0:18; X64-NEXT: xorl %eax, %eax19; X64-NEXT: cmpl $1, %edi20; X64-NEXT: sbbl %eax, %eax21; X64-NEXT: retq22 %t0 = icmp eq i32 %x, 023 %if = select i1 %t0, i32 -1, i32 024 ret i32 %if25}26 27define i32 @t2(i32 %x) nounwind readnone ssp {28; X86-LABEL: t2:29; X86: # %bb.0:30; X86-NEXT: xorl %eax, %eax31; X86-NEXT: cmpl $1, {{[0-9]+}}(%esp)32; X86-NEXT: sbbl %eax, %eax33; X86-NEXT: retl34;35; X64-LABEL: t2:36; X64: # %bb.0:37; X64-NEXT: xorl %eax, %eax38; X64-NEXT: cmpl $1, %edi39; X64-NEXT: sbbl %eax, %eax40; X64-NEXT: retq41 %t0 = icmp eq i32 %x, 042 %if = sext i1 %t0 to i3243 ret i32 %if44}45 46define i32 @t3(i32 %x, i64 %y) nounwind readonly {47; X86-LABEL: t3:48; X86: # %bb.0: # %entry49; X86-NEXT: movl {{[0-9]+}}(%esp), %eax50; X86-NEXT: xorl %ecx, %ecx51; X86-NEXT: cmpl $1, {{[0-9]+}}(%esp)52; X86-NEXT: sbbl %ecx, %ecx53; X86-NEXT: cmpl %ecx, {{[0-9]+}}(%esp)54; X86-NEXT: sbbl %ecx, %eax55; X86-NEXT: xorl %eax, %eax56; X86-NEXT: retl57;58; X64-LABEL: t3:59; X64: # %bb.0: # %entry60; X64-NEXT: xorl %eax, %eax61; X64-NEXT: testl %edi, %edi62; X64-NEXT: sete %al63; X64-NEXT: negq %rax64; X64-NEXT: cmpq %rax, %rsi65; X64-NEXT: xorl %eax, %eax66; X64-NEXT: retq67entry:68 %not.tobool = icmp eq i32 %x, 069 %cond = sext i1 %not.tobool to i3270 %conv = sext i1 %not.tobool to i6471 %add13 = add i64 0, %conv72 %cmp = icmp ult i64 %y, %add1373 br i1 %cmp, label %if.then, label %if.end74 75if.then:76 br label %if.end77 78if.end:79 %xor27 = xor i32 undef, %cond80 ret i32 081}82 83define i32 @t4(i64 %x) nounwind readnone ssp {84; X86-LABEL: t4:85; X86: # %bb.0:86; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx87; X86-NEXT: xorl %eax, %eax88; X86-NEXT: orl {{[0-9]+}}(%esp), %ecx89; X86-NEXT: sete %al90; X86-NEXT: negl %eax91; X86-NEXT: retl92;93; X64-LABEL: t4:94; X64: # %bb.0:95; X64-NEXT: xorl %eax, %eax96; X64-NEXT: cmpq $1, %rdi97; X64-NEXT: sbbl %eax, %eax98; X64-NEXT: retq99 %t0 = icmp eq i64 %x, 0100 %t1 = sext i1 %t0 to i32101 ret i32 %t1102}103 104define i64 @t5(i32 %x) nounwind readnone ssp {105; X86-LABEL: t5:106; X86: # %bb.0:107; X86-NEXT: xorl %eax, %eax108; X86-NEXT: cmpl $1, {{[0-9]+}}(%esp)109; X86-NEXT: sbbl %eax, %eax110; X86-NEXT: movl %eax, %edx111; X86-NEXT: retl112;113; X64-LABEL: t5:114; X64: # %bb.0:115; X64-NEXT: xorl %eax, %eax116; X64-NEXT: cmpl $1, %edi117; X64-NEXT: sbbq %rax, %rax118; X64-NEXT: retq119 %t0 = icmp eq i32 %x, 0120 %t1 = sext i1 %t0 to i64121 ret i64 %t1122}123 124; sext (xor Bool, -1) --> sub (zext Bool), 1125 126define i32 @select_0_or_1s(i1 %cond) {127; X86-LABEL: select_0_or_1s:128; X86: # %bb.0:129; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax130; X86-NEXT: andl $1, %eax131; X86-NEXT: decl %eax132; X86-NEXT: retl133;134; X64-LABEL: select_0_or_1s:135; X64: # %bb.0:136; X64-NEXT: # kill: def $edi killed $edi def $rdi137; X64-NEXT: andl $1, %edi138; X64-NEXT: leal -1(%rdi), %eax139; X64-NEXT: retq140 %not = xor i1 %cond, 1141 %sext = sext i1 %not to i32142 ret i32 %sext143}144 145; sext (xor Bool, -1) --> sub (zext Bool), 1146 147define i32 @select_0_or_1s_zeroext(i1 zeroext %cond) {148; X86-LABEL: select_0_or_1s_zeroext:149; X86: # %bb.0:150; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax151; X86-NEXT: decl %eax152; X86-NEXT: retl153;154; X64-LABEL: select_0_or_1s_zeroext:155; X64: # %bb.0:156; X64-NEXT: # kill: def $edi killed $edi def $rdi157; X64-NEXT: leal -1(%rdi), %eax158; X64-NEXT: retq159 %not = xor i1 %cond, 1160 %sext = sext i1 %not to i32161 ret i32 %sext162}163 164; sext (xor Bool, -1) --> sub (zext Bool), 1165 166define i32 @select_0_or_1s_signext(i1 signext %cond) {167; X86-LABEL: select_0_or_1s_signext:168; X86: # %bb.0:169; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax170; X86-NEXT: andl $1, %eax171; X86-NEXT: decl %eax172; X86-NEXT: retl173;174; X64-LABEL: select_0_or_1s_signext:175; X64: # %bb.0:176; X64-NEXT: movl %edi, %eax177; X64-NEXT: notl %eax178; X64-NEXT: retq179 %not = xor i1 %cond, 1180 %sext = sext i1 %not to i32181 ret i32 %sext182}183 184define i32 @zext_decrement_sext(i8 %x) {185; X86-LABEL: zext_decrement_sext:186; X86: # %bb.0:187; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax188; X86-NEXT: decl %eax189; X86-NEXT: retl190;191; X64-LABEL: zext_decrement_sext:192; X64: # %bb.0:193; X64-NEXT: movzbl %dil, %eax194; X64-NEXT: decl %eax195; X64-NEXT: retq196 %z = zext i8 %x to i16197 %dec = add i16 %z, -1198 %r = sext i16 %dec to i32199 ret i32 %r200}201 202