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llvm/llvm/test/Transforms/SLPVectorizer/X86/cmp_commute.ll 

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=slp-vectorizer,instcombine -S -mtriple=x86_64--- -mattr=+sse2 | FileCheck %s
; RUN: opt < %s -passes=slp-vectorizer,instcombine -S -mtriple=x86_64--- -mattr=+avx  | FileCheck %s

;
; Check that we can commute operands based on the predicate.
;

define <4 x i32> @icmp_eq_v4i32(<4 x i32> %a, ptr %b) {
; CHECK-LABEL: @icmp_eq_v4i32(
; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x i32>, ptr [[B:%.*]], align 4
; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq <4 x i32> [[TMP1]], [[A:%.*]]
; CHECK-NEXT:    [[R:%.*]] = sext <4 x i1> [[TMP2]] to <4 x i32>
; CHECK-NEXT:    ret <4 x i32> [[R]]
;
  %a0 = extractelement <4 x i32> %a, i32 0
  %a1 = extractelement <4 x i32> %a, i32 1
  %a2 = extractelement <4 x i32> %a, i32 2
  %a3 = extractelement <4 x i32> %a, i32 3
  %p1 = getelementptr inbounds i32, ptr %b, i32 1
  %p2 = getelementptr inbounds i32, ptr %b, i32 2
  %p3 = getelementptr inbounds i32, ptr %b, i32 3
  %b0 = load i32, ptr %b, align 4
  %b1 = load i32, ptr %p1, align 4
  %b2 = load i32, ptr %p2, align 4
  %b3 = load i32, ptr %p3, align 4
  %c0 = icmp eq i32 %a0, %b0
  %c1 = icmp eq i32 %b1, %a1
  %c2 = icmp eq i32 %b2, %a2
  %c3 = icmp eq i32 %a3, %b3
  %d0 = insertelement <4 x i1> undef, i1 %c0, i32 0
  %d1 = insertelement <4 x i1>   %d0, i1 %c1, i32 1
  %d2 = insertelement <4 x i1>   %d1, i1 %c2, i32 2
  %d3 = insertelement <4 x i1>   %d2, i1 %c3, i32 3
  %r = sext <4 x i1> %d3 to <4 x i32>
  ret <4 x i32> %r
}

define <4 x i32> @icmp_ne_v4i32(<4 x i32> %a, ptr %b) {
; CHECK-LABEL: @icmp_ne_v4i32(
; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x i32>, ptr [[B:%.*]], align 4
; CHECK-NEXT:    [[TMP2:%.*]] = icmp ne <4 x i32> [[TMP1]], [[A:%.*]]
; CHECK-NEXT:    [[R:%.*]] = sext <4 x i1> [[TMP2]] to <4 x i32>
; CHECK-NEXT:    ret <4 x i32> [[R]]
;
  %a0 = extractelement <4 x i32> %a, i32 0
  %a1 = extractelement <4 x i32> %a, i32 1
  %a2 = extractelement <4 x i32> %a, i32 2
  %a3 = extractelement <4 x i32> %a, i32 3
  %p1 = getelementptr inbounds i32, ptr %b, i32 1
  %p2 = getelementptr inbounds i32, ptr %b, i32 2
  %p3 = getelementptr inbounds i32, ptr %b, i32 3
  %b0 = load i32, ptr %b, align 4
  %b1 = load i32, ptr %p1, align 4
  %b2 = load i32, ptr %p2, align 4
  %b3 = load i32, ptr %p3, align 4
  %c0 = icmp ne i32 %a0, %b0
  %c1 = icmp ne i32 %b1, %a1
  %c2 = icmp ne i32 %b2, %a2
  %c3 = icmp ne i32 %a3, %b3
  %d0 = insertelement <4 x i1> undef, i1 %c0, i32 0
  %d1 = insertelement <4 x i1>   %d0, i1 %c1, i32 1
  %d2 = insertelement <4 x i1>   %d1, i1 %c2, i32 2
  %d3 = insertelement <4 x i1>   %d2, i1 %c3, i32 3
  %r = sext <4 x i1> %d3 to <4 x i32>
  ret <4 x i32> %r
}

define <4 x i32> @fcmp_oeq_v4i32(<4 x float> %a, ptr %b) {
; CHECK-LABEL: @fcmp_oeq_v4i32(
; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x float>, ptr [[B:%.*]], align 4
; CHECK-NEXT:    [[TMP2:%.*]] = fcmp oeq <4 x float> [[TMP1]], [[A:%.*]]
; CHECK-NEXT:    [[R:%.*]] = sext <4 x i1> [[TMP2]] to <4 x i32>
; CHECK-NEXT:    ret <4 x i32> [[R]]
;
  %a0 = extractelement <4 x float> %a, i32 0
  %a1 = extractelement <4 x float> %a, i32 1
  %a2 = extractelement <4 x float> %a, i32 2
  %a3 = extractelement <4 x float> %a, i32 3
  %p1 = getelementptr inbounds float, ptr %b, i32 1
  %p2 = getelementptr inbounds float, ptr %b, i32 2
  %p3 = getelementptr inbounds float, ptr %b, i32 3
  %b0 = load float, ptr %b, align 4
  %b1 = load float, ptr %p1, align 4
  %b2 = load float, ptr %p2, align 4
  %b3 = load float, ptr %p3, align 4
  %c0 = fcmp oeq float %a0, %b0
  %c1 = fcmp oeq float %b1, %a1
  %c2 = fcmp oeq float %b2, %a2
  %c3 = fcmp oeq float %a3, %b3
  %d0 = insertelement <4 x i1> undef, i1 %c0, i32 0
  %d1 = insertelement <4 x i1>   %d0, i1 %c1, i32 1
  %d2 = insertelement <4 x i1>   %d1, i1 %c2, i32 2
  %d3 = insertelement <4 x i1>   %d2, i1 %c3, i32 3
  %r = sext <4 x i1> %d3 to <4 x i32>
  ret <4 x i32> %r
}

define <4 x i32> @fcmp_uno_v4i32(<4 x float> %a, ptr %b) {
; CHECK-LABEL: @fcmp_uno_v4i32(
; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x float>, ptr [[B:%.*]], align 4
; CHECK-NEXT:    [[TMP2:%.*]] = fcmp uno <4 x float> [[TMP1]], [[A:%.*]]
; CHECK-NEXT:    [[R:%.*]] = sext <4 x i1> [[TMP2]] to <4 x i32>
; CHECK-NEXT:    ret <4 x i32> [[R]]
;
  %a0 = extractelement <4 x float> %a, i32 0
  %a1 = extractelement <4 x float> %a, i32 1
  %a2 = extractelement <4 x float> %a, i32 2
  %a3 = extractelement <4 x float> %a, i32 3
  %p1 = getelementptr inbounds float, ptr %b, i32 1
  %p2 = getelementptr inbounds float, ptr %b, i32 2
  %p3 = getelementptr inbounds float, ptr %b, i32 3
  %b0 = load float, ptr %b, align 4
  %b1 = load float, ptr %p1, align 4
  %b2 = load float, ptr %p2, align 4
  %b3 = load float, ptr %p3, align 4
  %c0 = fcmp uno float %a0, %b0
  %c1 = fcmp uno float %b1, %a1
  %c2 = fcmp uno float %b2, %a2
  %c3 = fcmp uno float %a3, %b3
  %d0 = insertelement <4 x i1> undef, i1 %c0, i32 0
  %d1 = insertelement <4 x i1>   %d0, i1 %c1, i32 1
  %d2 = insertelement <4 x i1>   %d1, i1 %c2, i32 2
  %d3 = insertelement <4 x i1>   %d2, i1 %c3, i32 3
  %r = sext <4 x i1> %d3 to <4 x i32>
  ret <4 x i32> %r
}

;
; Check that we can commute operands by swapping the predicate.
;

define <4 x i32> @icmp_sgt_slt_v4i32(<4 x i32> %a, ptr %b) {
; CHECK-LABEL: @icmp_sgt_slt_v4i32(
; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x i32>, ptr [[B:%.*]], align 4
; CHECK-NEXT:    [[TMP2:%.*]] = icmp sgt <4 x i32> [[A:%.*]], [[TMP1]]
; CHECK-NEXT:    [[R:%.*]] = sext <4 x i1> [[TMP2]] to <4 x i32>
; CHECK-NEXT:    ret <4 x i32> [[R]]
;
  %a0 = extractelement <4 x i32> %a, i32 0
  %a1 = extractelement <4 x i32> %a, i32 1
  %a2 = extractelement <4 x i32> %a, i32 2
  %a3 = extractelement <4 x i32> %a, i32 3
  %p1 = getelementptr inbounds i32, ptr %b, i32 1
  %p2 = getelementptr inbounds i32, ptr %b, i32 2
  %p3 = getelementptr inbounds i32, ptr %b, i32 3
  %b0 = load i32, ptr %b, align 4
  %b1 = load i32, ptr %p1, align 4
  %b2 = load i32, ptr %p2, align 4
  %b3 = load i32, ptr %p3, align 4
  %c0 = icmp sgt i32 %a0, %b0
  %c1 = icmp slt i32 %b1, %a1
  %c2 = icmp slt i32 %b2, %a2
  %c3 = icmp sgt i32 %a3, %b3
  %d0 = insertelement <4 x i1> undef, i1 %c0, i32 0
  %d1 = insertelement <4 x i1>   %d0, i1 %c1, i32 1
  %d2 = insertelement <4 x i1>   %d1, i1 %c2, i32 2
  %d3 = insertelement <4 x i1>   %d2, i1 %c3, i32 3
  %r = sext <4 x i1> %d3 to <4 x i32>
  ret <4 x i32> %r
}

define <4 x i32> @icmp_uge_ule_v4i32(<4 x i32> %a, ptr %b) {
; CHECK-LABEL: @icmp_uge_ule_v4i32(
; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x i32>, ptr [[B:%.*]], align 4
; CHECK-NEXT:    [[TMP2:%.*]] = icmp uge <4 x i32> [[A:%.*]], [[TMP1]]
; CHECK-NEXT:    [[R:%.*]] = sext <4 x i1> [[TMP2]] to <4 x i32>
; CHECK-NEXT:    ret <4 x i32> [[R]]
;
  %a0 = extractelement <4 x i32> %a, i32 0
  %a1 = extractelement <4 x i32> %a, i32 1
  %a2 = extractelement <4 x i32> %a, i32 2
  %a3 = extractelement <4 x i32> %a, i32 3
  %p1 = getelementptr inbounds i32, ptr %b, i32 1
  %p2 = getelementptr inbounds i32, ptr %b, i32 2
  %p3 = getelementptr inbounds i32, ptr %b, i32 3
  %b0 = load i32, ptr %b, align 4
  %b1 = load i32, ptr %p1, align 4
  %b2 = load i32, ptr %p2, align 4
  %b3 = load i32, ptr %p3, align 4
  %c0 = icmp uge i32 %a0, %b0
  %c1 = icmp ule i32 %b1, %a1
  %c2 = icmp ule i32 %b2, %a2
  %c3 = icmp uge i32 %a3, %b3
  %d0 = insertelement <4 x i1> undef, i1 %c0, i32 0
  %d1 = insertelement <4 x i1>   %d0, i1 %c1, i32 1
  %d2 = insertelement <4 x i1>   %d1, i1 %c2, i32 2
  %d3 = insertelement <4 x i1>   %d2, i1 %c3, i32 3
  %r = sext <4 x i1> %d3 to <4 x i32>
  ret <4 x i32> %r
}

define <4 x i32> @fcmp_ogt_olt_v4i32(<4 x float> %a, ptr %b) {
; CHECK-LABEL: @fcmp_ogt_olt_v4i32(
; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x float>, ptr [[B:%.*]], align 4
; CHECK-NEXT:    [[TMP2:%.*]] = fcmp ogt <4 x float> [[A:%.*]], [[TMP1]]
; CHECK-NEXT:    [[R:%.*]] = sext <4 x i1> [[TMP2]] to <4 x i32>
; CHECK-NEXT:    ret <4 x i32> [[R]]
;
  %a0 = extractelement <4 x float> %a, i32 0
  %a1 = extractelement <4 x float> %a, i32 1
  %a2 = extractelement <4 x float> %a, i32 2
  %a3 = extractelement <4 x float> %a, i32 3
  %p1 = getelementptr inbounds float, ptr %b, i32 1
  %p2 = getelementptr inbounds float, ptr %b, i32 2
  %p3 = getelementptr inbounds float, ptr %b, i32 3
  %b0 = load float, ptr %b, align 4
  %b1 = load float, ptr %p1, align 4
  %b2 = load float, ptr %p2, align 4
  %b3 = load float, ptr %p3, align 4
  %c0 = fcmp ogt float %a0, %b0
  %c1 = fcmp olt float %b1, %a1
  %c2 = fcmp olt float %b2, %a2
  %c3 = fcmp ogt float %a3, %b3
  %d0 = insertelement <4 x i1> undef, i1 %c0, i32 0
  %d1 = insertelement <4 x i1>   %d0, i1 %c1, i32 1
  %d2 = insertelement <4 x i1>   %d1, i1 %c2, i32 2
  %d3 = insertelement <4 x i1>   %d2, i1 %c3, i32 3
  %r = sext <4 x i1> %d3 to <4 x i32>
  ret <4 x i32> %r
}

define <4 x i32> @fcmp_ord_uno_v4i32(<4 x float> %a, ptr %b) {
; CHECK-LABEL: @fcmp_ord_uno_v4i32(
; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x float>, ptr [[B:%.*]], align 4
; CHECK-NEXT:    [[TMP2:%.*]] = fcmp ord <4 x float> [[TMP1]], [[A:%.*]]
; CHECK-NEXT:    [[TMP3:%.*]] = fcmp uno <4 x float> [[TMP1]], [[A]]
; CHECK-NEXT:    [[TMP4:%.*]] = shufflevector <4 x i1> [[TMP2]], <4 x i1> [[TMP3]], <4 x i32> <i32 0, i32 5, i32 6, i32 3>
; CHECK-NEXT:    [[R:%.*]] = sext <4 x i1> [[TMP4]] to <4 x i32>
; CHECK-NEXT:    ret <4 x i32> [[R]]
;
  %a0 = extractelement <4 x float> %a, i32 0
  %a1 = extractelement <4 x float> %a, i32 1
  %a2 = extractelement <4 x float> %a, i32 2
  %a3 = extractelement <4 x float> %a, i32 3
  %p1 = getelementptr inbounds float, ptr %b, i32 1
  %p2 = getelementptr inbounds float, ptr %b, i32 2
  %p3 = getelementptr inbounds float, ptr %b, i32 3
  %b0 = load float, ptr %b, align 4
  %b1 = load float, ptr %p1, align 4
  %b2 = load float, ptr %p2, align 4
  %b3 = load float, ptr %p3, align 4
  %c0 = fcmp ord float %a0, %b0
  %c1 = fcmp uno float %b1, %a1
  %c2 = fcmp uno float %b2, %a2
  %c3 = fcmp ord float %a3, %b3
  %d0 = insertelement <4 x i1> undef, i1 %c0, i32 0
  %d1 = insertelement <4 x i1>   %d0, i1 %c1, i32 1
  %d2 = insertelement <4 x i1>   %d1, i1 %c2, i32 2
  %d3 = insertelement <4 x i1>   %d2, i1 %c3, i32 3
  %r = sext <4 x i1> %d3 to <4 x i32>
  ret <4 x i32> %r
}