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; 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: movb {{[0-9]+}}(%esp), %al
; X86-NEXT: xorb {{[0-9]+}}(%esp), %al
; X86-NEXT: testb $64, %al
; X86-NEXT: je .LBB0_1
; X86-NEXT: # %bb.2: # %bb1
; X86-NEXT: jmp bar # TAILCALL
; X86-NEXT: .LBB0_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: je .LBB0_1
; X64-NEXT: # %bb.2: # %bb1
; X64-NEXT: jmp bar # TAILCALL
; X64-NEXT: .LBB0_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 ; <i32> [#uses=1]
ret i32 %5
bb1: ; preds = %entry
%6 = tail call i32 (...) @bar() nounwind ; <i32> [#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: je .LBB1_1
; X86-NEXT: # %bb.2: # %bb
; X86-NEXT: jmp foo # TAILCALL
; X86-NEXT: .LBB1_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 ; <i1> [#uses=1]
%1 = icmp eq i32 %y, 0 ; <i1> [#uses=1]
%2 = xor i1 %1, %0 ; <i1> [#uses=1]
br i1 %2, label %bb, label %return
bb: ; preds = %entry
%3 = tail call i32 (...) @foo() nounwind ; <i32> [#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: movb {{[0-9]+}}(%esp), %al
; 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, i32* %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, i32* %p
%not = xor i1 %xor, 1
ret i1 %not
}
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