516 changes: 516 additions & 0 deletions llvm/test/CodeGen/X86/setcc-combine.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -499,3 +499,519 @@ define double @ogt_no_zero(double %x) {
%r = select i1 %cmp, double %x, double %neg
ret double %r
}

define i64 @cmp_sgt_not(i64 %a, i64 %b) {
; CHECK-LABEL: cmp_sgt_not:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq %rdi, %rsi
; CHECK-NEXT: setg %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%nb = xor i64 %b, -1
%c = icmp sgt i64 %na, %nb
%r = sext i1 %c to i64
ret i64 %r
}

define i64 @cmp_sgt_not_with_constant(i64 %a) {
; CHECK-LABEL: cmp_sgt_not_with_constant:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq $-43, %rdi
; CHECK-NEXT: setl %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%c = icmp sgt i64 %na, 42
%r = sext i1 %c to i64
ret i64 %r
}

define <4 x i32> @cmp_sgt_not_with_vec(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: cmp_sgt_not_with_vec:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm0, %xmm1
; CHECK-NEXT: movdqa %xmm1, %xmm0
; CHECK-NEXT: retq
%na = xor <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1>
%nb = xor <4 x i32> %b, <i32 -1, i32 -1, i32 -1, i32 -1>
%c = icmp sgt <4 x i32> %na, %nb
%r = sext <4 x i1> %c to <4 x i32>
ret <4 x i32> %r
}

define i64 @cmp_ugt_not(i64 %a, i64 %b) {
; CHECK-LABEL: cmp_ugt_not:
; CHECK: # %bb.0:
; CHECK-NEXT: notq %rdi
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: addq %rsi, %rdi
; CHECK-NEXT: sbbq %rax, %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%nb = xor i64 %b, -1
%c = icmp ugt i64 %na, %nb
%r = sext i1 %c to i64
ret i64 %r
}

define i64 @cmp_ugt_not_with_constant(i64 %a) {
; CHECK-LABEL: cmp_ugt_not_with_constant:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq $-43, %rdi
; CHECK-NEXT: sbbq %rax, %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%c = icmp ugt i64 %na, 42
%r = sext i1 %c to i64
ret i64 %r
}

define <4 x i32> @cmp_ugt_not_with_vec(<4 x i32> %a, <4 x i32> %b) {
; SSE2-LABEL: cmp_ugt_not_with_vec:
; SSE2: # %bb.0:
; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648,2147483648,2147483648]
; SSE2-NEXT: pxor %xmm2, %xmm0
; SSE2-NEXT: pxor %xmm1, %xmm2
; SSE2-NEXT: pcmpgtd %xmm0, %xmm2
; SSE2-NEXT: movdqa %xmm2, %xmm0
; SSE2-NEXT: retq
;
; SSE41-LABEL: cmp_ugt_not_with_vec:
; SSE41: # %bb.0:
; SSE41-NEXT: pminud %xmm1, %xmm0
; SSE41-NEXT: pcmpeqd %xmm1, %xmm0
; SSE41-NEXT: pcmpeqd %xmm1, %xmm1
; SSE41-NEXT: pxor %xmm1, %xmm0
; SSE41-NEXT: retq
%na = xor <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1>
%nb = xor <4 x i32> %b, <i32 -1, i32 -1, i32 -1, i32 -1>
%c = icmp ugt <4 x i32> %na, %nb
%r = sext <4 x i1> %c to <4 x i32>
ret <4 x i32> %r
}

define i64 @cmp_sge_not(i64 %a, i64 %b) {
; CHECK-LABEL: cmp_sge_not:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq %rdi, %rsi
; CHECK-NEXT: setge %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%nb = xor i64 %b, -1
%c = icmp sge i64 %na, %nb
%r = sext i1 %c to i64
ret i64 %r
}

define i64 @cmp_sge_not_with_constant(i64 %a) {
; CHECK-LABEL: cmp_sge_not_with_constant:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq $-42, %rdi
; CHECK-NEXT: setl %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%c = icmp sge i64 %na, 42
%r = sext i1 %c to i64
ret i64 %r
}

define <4 x i32> @cmp_sge_not_with_vec(<4 x i32> %a, <4 x i32> %b) {
; SSE2-LABEL: cmp_sge_not_with_vec:
; SSE2: # %bb.0:
; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648,2147483648,2147483648]
; SSE2-NEXT: pxor %xmm2, %xmm1
; SSE2-NEXT: pxor %xmm2, %xmm0
; SSE2-NEXT: pcmpgtd %xmm1, %xmm0
; SSE2-NEXT: pcmpeqd %xmm1, %xmm1
; SSE2-NEXT: pxor %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSE41-LABEL: cmp_sge_not_with_vec:
; SSE41: # %bb.0:
; SSE41-NEXT: pmaxud %xmm1, %xmm0
; SSE41-NEXT: pcmpeqd %xmm1, %xmm0
; SSE41-NEXT: retq
%na = xor <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1>
%nb = xor <4 x i32> %b, <i32 -1, i32 -1, i32 -1, i32 -1>
%c = icmp uge <4 x i32> %na, %nb
%r = sext <4 x i1> %c to <4 x i32>
ret <4 x i32> %r
}

define i64 @cmp_uge_not(i64 %a, i64 %b) {
; CHECK-LABEL: cmp_uge_not:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq %rdi, %rsi
; CHECK-NEXT: adcq $-1, %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%nb = xor i64 %b, -1
%c = icmp uge i64 %na, %nb
%r = sext i1 %c to i64
ret i64 %r
}

define i64 @cmp_uge_not_with_constant(i64 %a) {
; CHECK-LABEL: cmp_uge_not_with_constant:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq $-42, %rdi
; CHECK-NEXT: sbbq %rax, %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%c = icmp uge i64 %na, 42
%r = sext i1 %c to i64
ret i64 %r
}

define <4 x i32> @cmp_uge_not_with_vec(<4 x i32> %a, <4 x i32> %b) {
; SSE2-LABEL: cmp_uge_not_with_vec:
; SSE2: # %bb.0:
; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648,2147483648,2147483648]
; SSE2-NEXT: pxor %xmm2, %xmm1
; SSE2-NEXT: pxor %xmm2, %xmm0
; SSE2-NEXT: pcmpgtd %xmm1, %xmm0
; SSE2-NEXT: pcmpeqd %xmm1, %xmm1
; SSE2-NEXT: pxor %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSE41-LABEL: cmp_uge_not_with_vec:
; SSE41: # %bb.0:
; SSE41-NEXT: pmaxud %xmm1, %xmm0
; SSE41-NEXT: pcmpeqd %xmm1, %xmm0
; SSE41-NEXT: retq
%na = xor <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1>
%nb = xor <4 x i32> %b, <i32 -1, i32 -1, i32 -1, i32 -1>
%c = icmp uge <4 x i32> %na, %nb
%r = sext <4 x i1> %c to <4 x i32>
ret <4 x i32> %r
}

define i64 @cmp_sle_not(i64 %a, i64 %b) {
; CHECK-LABEL: cmp_sle_not:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq %rdi, %rsi
; CHECK-NEXT: setle %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%nb = xor i64 %b, -1
%c = icmp sle i64 %na, %nb
%r = sext i1 %c to i64
ret i64 %r
}

define i64 @cmp_sle_not_with_constant(i64 %a) {
; CHECK-LABEL: cmp_sle_not_with_constant:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq $-43, %rdi
; CHECK-NEXT: setge %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%c = icmp sle i64 %na, 42
%r = sext i1 %c to i64
ret i64 %r
}

define <4 x i32> @cmp_sle_not_with_vec(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: cmp_sle_not_with_vec:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm0, %xmm1
; CHECK-NEXT: pcmpeqd %xmm0, %xmm0
; CHECK-NEXT: pxor %xmm1, %xmm0
; CHECK-NEXT: retq
%na = xor <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1>
%nb = xor <4 x i32> %b, <i32 -1, i32 -1, i32 -1, i32 -1>
%c = icmp sle <4 x i32> %na, %nb
%r = sext <4 x i1> %c to <4 x i32>
ret <4 x i32> %r
}

define i64 @cmp_slt_not(i64 %a, i64 %b) {
; CHECK-LABEL: cmp_slt_not:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq %rdi, %rsi
; CHECK-NEXT: setl %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%nb = xor i64 %b, -1
%c = icmp slt i64 %na, %nb
%r = sext i1 %c to i64
ret i64 %r
}

define i64 @cmp_slt_not_with_constant(i64 %a) {
; CHECK-LABEL: cmp_slt_not_with_constant:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq $-42, %rdi
; CHECK-NEXT: setge %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%c = icmp slt i64 %na, 42
%r = sext i1 %c to i64
ret i64 %r
}

define <4 x i32> @cmp_slt_not_with_vec(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: cmp_slt_not_with_vec:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpgtd %xmm1, %xmm0
; CHECK-NEXT: retq
%na = xor <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1>
%nb = xor <4 x i32> %b, <i32 -1, i32 -1, i32 -1, i32 -1>
%c = icmp slt <4 x i32> %na, %nb
%r = sext <4 x i1> %c to <4 x i32>
ret <4 x i32> %r
}


define i64 @cmp_ult_not(i64 %a, i64 %b) {
; CHECK-LABEL: cmp_ult_not:
; CHECK: # %bb.0:
; CHECK-NEXT: notq %rsi
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: addq %rdi, %rsi
; CHECK-NEXT: sbbq %rax, %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%nb = xor i64 %b, -1
%c = icmp ult i64 %na, %nb
%r = sext i1 %c to i64
ret i64 %r
}

define i64 @cmp_ult_not_with_constant(i64 %a) {
; CHECK-LABEL: cmp_ult_not_with_constant:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: addq $42, %rdi
; CHECK-NEXT: sbbq %rax, %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%c = icmp ult i64 %na, 42
%r = sext i1 %c to i64
ret i64 %r
}

define <4 x i32> @cmp_ult_not_with_vec(<4 x i32> %a, <4 x i32> %b) {
; SSE2-LABEL: cmp_ult_not_with_vec:
; SSE2: # %bb.0:
; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648,2147483648,2147483648]
; SSE2-NEXT: pxor %xmm2, %xmm1
; SSE2-NEXT: pxor %xmm2, %xmm0
; SSE2-NEXT: pcmpgtd %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSE41-LABEL: cmp_ult_not_with_vec:
; SSE41: # %bb.0:
; SSE41-NEXT: pmaxud %xmm1, %xmm0
; SSE41-NEXT: pcmpeqd %xmm1, %xmm0
; SSE41-NEXT: pcmpeqd %xmm1, %xmm1
; SSE41-NEXT: pxor %xmm1, %xmm0
; SSE41-NEXT: retq
%na = xor <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1>
%nb = xor <4 x i32> %b, <i32 -1, i32 -1, i32 -1, i32 -1>
%c = icmp ult <4 x i32> %na, %nb
%r = sext <4 x i1> %c to <4 x i32>
ret <4 x i32> %r
}

define i64 @cmp_ule_not(i64 %a, i64 %b) {
; CHECK-LABEL: cmp_ule_not:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq %rsi, %rdi
; CHECK-NEXT: adcq $-1, %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%nb = xor i64 %b, -1
%c = icmp ule i64 %na, %nb
%r = sext i1 %c to i64
ret i64 %r
}

define i64 @cmp_ule_not_with_constant(i64 %a) {
; CHECK-LABEL: cmp_ule_not_with_constant:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq $-43, %rdi
; CHECK-NEXT: adcq $-1, %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%c = icmp ule i64 %na, 42
%r = sext i1 %c to i64
ret i64 %r
}

define <4 x i32> @cmp_ule_not_with_vec(<4 x i32> %a, <4 x i32> %b) {
; SSE2-LABEL: cmp_ule_not_with_vec:
; SSE2: # %bb.0:
; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648,2147483648,2147483648]
; SSE2-NEXT: pxor %xmm2, %xmm0
; SSE2-NEXT: pxor %xmm1, %xmm2
; SSE2-NEXT: pcmpgtd %xmm0, %xmm2
; SSE2-NEXT: pcmpeqd %xmm0, %xmm0
; SSE2-NEXT: pxor %xmm2, %xmm0
; SSE2-NEXT: retq
;
; SSE41-LABEL: cmp_ule_not_with_vec:
; SSE41: # %bb.0:
; SSE41-NEXT: pminud %xmm1, %xmm0
; SSE41-NEXT: pcmpeqd %xmm1, %xmm0
; SSE41-NEXT: retq
%na = xor <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1>
%nb = xor <4 x i32> %b, <i32 -1, i32 -1, i32 -1, i32 -1>
%c = icmp ule <4 x i32> %na, %nb
%r = sext <4 x i1> %c to <4 x i32>
ret <4 x i32> %r
}

define i64 @cmp_eq_not(i64 %a, i64 %b) {
; CHECK-LABEL: cmp_eq_not:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq %rsi, %rdi
; CHECK-NEXT: sete %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%nb = xor i64 %b, -1
%c = icmp eq i64 %na, %nb
%r = sext i1 %c to i64
ret i64 %r
}

define i64 @cmp_eq_not_with_constant(i64 %a) {
; CHECK-LABEL: cmp_eq_not_with_constant:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq $-43, %rdi
; CHECK-NEXT: sete %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%c = icmp eq i64 %na, 42
%r = sext i1 %c to i64
ret i64 %r
}

define <4 x i32> @cmp_eq_not_with_vec(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: cmp_eq_not_with_vec:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpeqd %xmm1, %xmm0
; CHECK-NEXT: retq
%na = xor <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1>
%nb = xor <4 x i32> %b, <i32 -1, i32 -1, i32 -1, i32 -1>
%c = icmp eq <4 x i32> %na, %nb
%r = sext <4 x i1> %c to <4 x i32>
ret <4 x i32> %r
}
define i64 @cmp_ne_not(i64 %a, i64 %b) {
; CHECK-LABEL: cmp_ne_not:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq %rsi, %rdi
; CHECK-NEXT: setne %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%nb = xor i64 %b, -1
%c = icmp ne i64 %na, %nb
%r = sext i1 %c to i64
ret i64 %r
}

define i64 @cmp_ne_not_with_constant(i64 %a) {
; CHECK-LABEL: cmp_ne_not_with_constant:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq $-43, %rdi
; CHECK-NEXT: setne %al
; CHECK-NEXT: negq %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%c = icmp ne i64 %na, 42
%r = sext i1 %c to i64
ret i64 %r
}

define <4 x i32> @cmp_ne_not_with_vec(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: cmp_ne_not_with_vec:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpeqd %xmm1, %xmm0
; CHECK-NEXT: pcmpeqd %xmm1, %xmm1
; CHECK-NEXT: pxor %xmm1, %xmm0
; CHECK-NEXT: retq
%na = xor <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1>
%nb = xor <4 x i32> %b, <i32 -1, i32 -1, i32 -1, i32 -1>
%c = icmp ne <4 x i32> %na, %nb
%r = sext <4 x i1> %c to <4 x i32>
ret <4 x i32> %r
}

define i64 @cmp_uge_not_commute(i64 %b, i64 %a) {
; CHECK-LABEL: cmp_uge_not_commute:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq %rsi, %rdi
; CHECK-NEXT: adcq $-1, %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%nb = xor i64 %b, -1
%c = icmp uge i64 %na, %nb
%r = sext i1 %c to i64
ret i64 %r
}

define i64 @cmp_ult_not_with_constant_commute(i64 %a) {
; CHECK-LABEL: cmp_ult_not_with_constant_commute:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq $43, %rdi
; CHECK-NEXT: adcq $-1, %rax
; CHECK-NEXT: retq
%na = xor i64 %a, -1
%c = icmp ult i64 42, %a
%r = sext i1 %c to i64
ret i64 %r
}

define <2 x i64> @cmp_uge_not_with_vec2xi64(<2 x i64> %a, <2 x i64> %b) {
; CHECK-LABEL: cmp_uge_not_with_vec2xi64:
; CHECK: # %bb.0:
; CHECK-NEXT: movdqa {{.*#+}} xmm2 = [9223372039002259456,9223372039002259456]
; CHECK-NEXT: pxor %xmm2, %xmm1
; CHECK-NEXT: pxor %xmm2, %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm2
; CHECK-NEXT: pcmpgtd %xmm1, %xmm2
; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm2[0,0,2,2]
; CHECK-NEXT: pcmpeqd %xmm1, %xmm0
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,3,3]
; CHECK-NEXT: pand %xmm3, %xmm0
; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,1,3,3]
; CHECK-NEXT: por %xmm0, %xmm1
; CHECK-NEXT: pcmpeqd %xmm0, %xmm0
; CHECK-NEXT: pxor %xmm1, %xmm0
; CHECK-NEXT: retq
%na = xor <2 x i64> %a, <i64 -1, i64 -1>
%nb = xor <2 x i64> %b, <i64 -1, i64 -1>
%c = icmp uge <2 x i64> %na, %nb
%r = sext <2 x i1> %c to <2 x i64>
ret <2 x i64> %r
}