; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X86 ; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64 ; rdar://7367229 define i32 @t(i32 %a, i32 %b) nounwind ssp { ; X86-LABEL: t: ; X86: # %bb.0: # %entry ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X86-NEXT: xorb {{[0-9]+}}(%esp), %al ; X86-NEXT: testb $64, %al ; X86-NEXT: jne bar # TAILCALL ; X86-NEXT: # %bb.1: # %bb ; X86-NEXT: jmp foo # TAILCALL ; ; X64-LABEL: t: ; X64: # %bb.0: # %entry ; X64-NEXT: xorl %esi, %edi ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: testl $16384, %edi # imm = 0x4000 ; X64-NEXT: jne bar # TAILCALL ; X64-NEXT: # %bb.1: # %bb ; X64-NEXT: jmp foo # TAILCALL entry: %0 = and i32 %a, 16384 %1 = icmp ne i32 %0, 0 %2 = and i32 %b, 16384 %3 = icmp ne i32 %2, 0 %4 = xor i1 %1, %3 br i1 %4, label %bb1, label %bb bb: ; preds = %entry %5 = tail call i32 (...) @foo() nounwind ; [#uses=1] ret i32 %5 bb1: ; preds = %entry %6 = tail call i32 (...) @bar() nounwind ; [#uses=1] ret i32 %6 } declare dso_local i32 @foo(...) declare dso_local i32 @bar(...) define i32 @t2(i32 %x, i32 %y) nounwind ssp { ; X86-LABEL: t2: ; X86: # %bb.0: # %entry ; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp) ; X86-NEXT: sete %al ; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp) ; X86-NEXT: sete %cl ; X86-NEXT: cmpb %al, %cl ; X86-NEXT: jne foo # TAILCALL ; X86-NEXT: # %bb.1: # %return ; X86-NEXT: retl ; ; X64-LABEL: t2: ; X64: # %bb.0: # %entry ; X64-NEXT: testl %edi, %edi ; X64-NEXT: sete %al ; X64-NEXT: testl %esi, %esi ; X64-NEXT: sete %cl ; X64-NEXT: cmpb %al, %cl ; X64-NEXT: je .LBB1_1 ; X64-NEXT: # %bb.2: # %bb ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: jmp foo # TAILCALL ; X64-NEXT: .LBB1_1: # %return ; X64-NEXT: retq entry: %0 = icmp eq i32 %x, 0 ; [#uses=1] %1 = icmp eq i32 %y, 0 ; [#uses=1] %2 = xor i1 %1, %0 ; [#uses=1] br i1 %2, label %bb, label %return bb: ; preds = %entry %3 = tail call i32 (...) @foo() nounwind ; [#uses=0] ret i32 undef return: ; preds = %entry ret i32 undef } ; PR45703 ; https://bugs.llvm.org/show_bug.cgi?id=45703 define i1 @xor_not_bools(i1 zeroext %x, i1 zeroext %y) nounwind { ; X86-LABEL: xor_not_bools: ; X86: # %bb.0: ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X86-NEXT: xorb {{[0-9]+}}(%esp), %al ; X86-NEXT: xorb $1, %al ; X86-NEXT: retl ; ; X64-LABEL: xor_not_bools: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: xorl %esi, %eax ; X64-NEXT: xorb $1, %al ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %xor = xor i1 %x, %y %not = xor i1 %xor, true ret i1 %not } ; This is probably not canonical IR; just testing another possible pattern. define zeroext i1 @xor_not_cmps(i32 %x, i32 %y) nounwind { ; X86-LABEL: xor_not_cmps: ; X86: # %bb.0: ; X86-NEXT: cmpl $42, {{[0-9]+}}(%esp) ; X86-NEXT: setne %cl ; X86-NEXT: cmpl $235, {{[0-9]+}}(%esp) ; X86-NEXT: sete %al ; X86-NEXT: xorb %cl, %al ; X86-NEXT: xorb $1, %al ; X86-NEXT: retl ; ; X64-LABEL: xor_not_cmps: ; X64: # %bb.0: ; X64-NEXT: cmpl $42, %edi ; X64-NEXT: setne %cl ; X64-NEXT: cmpl $235, %esi ; X64-NEXT: sete %al ; X64-NEXT: xorb %cl, %al ; X64-NEXT: xorb $1, %al ; X64-NEXT: retq %cmpx = icmp ne i32 %x, 42 %cmpy = icmp eq i32 %y, 235 %xor = xor i1 %cmpx, %cmpy %not = xor i1 %xor, 1 ret i1 %not } define zeroext i1 @xor_not_cmps_extra_use(i32 %x, i32 %y, ptr %p) nounwind { ; X86-LABEL: xor_not_cmps_extra_use: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: cmpl $42, {{[0-9]+}}(%esp) ; X86-NEXT: setne %dl ; X86-NEXT: cmpl $235, {{[0-9]+}}(%esp) ; X86-NEXT: sete %al ; X86-NEXT: xorb %dl, %al ; X86-NEXT: movzbl %al, %edx ; X86-NEXT: movl %edx, (%ecx) ; X86-NEXT: xorb $1, %al ; X86-NEXT: retl ; ; X64-LABEL: xor_not_cmps_extra_use: ; X64: # %bb.0: ; X64-NEXT: cmpl $42, %edi ; X64-NEXT: setne %al ; X64-NEXT: cmpl $235, %esi ; X64-NEXT: sete %cl ; X64-NEXT: xorb %al, %cl ; X64-NEXT: movzbl %cl, %eax ; X64-NEXT: movl %eax, (%rdx) ; X64-NEXT: xorb $1, %al ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %cmpx = icmp ne i32 %x, 42 %cmpy = icmp eq i32 %y, 235 %xor = xor i1 %cmpx, %cmpy %z = zext i1 %xor to i32 store i32 %z, ptr %p %not = xor i1 %xor, 1 ret i1 %not }