test/Transforms/InstCombine/shufflevector_freezepoison.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes='instcombine' -S %s | FileCheck %s


define <4 x double> @shuffle_op0_freeze_poison(<2 x double> %a) {
; CHECK-LABEL: @shuffle_op0_freeze_poison(
; CHECK-NEXT:    [[B:%.*]] = freeze <2 x double> poison
; CHECK-NEXT:    [[SHUFFLE:%.*]] = shufflevector <2 x double> [[B]], <2 x double> [[A:%.*]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT:    ret <4 x double> [[SHUFFLE]]
;
  %b = freeze <2 x double> poison
  %shuffle = shufflevector <2 x double> %b, <2 x double> %a, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  ret <4 x double> %shuffle
}

define <4 x double> @shuffle_op1_freeze_poison(<2 x double> %a) {
; CHECK-LABEL: @shuffle_op1_freeze_poison(
; CHECK-NEXT:    [[B:%.*]] = freeze <2 x double> poison
; CHECK-NEXT:    [[SHUFFLE:%.*]] = shufflevector <2 x double> [[A:%.*]], <2 x double> [[B]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT:    ret <4 x double> [[SHUFFLE]]
;
  %b = freeze <2 x double> poison
  %shuffle = shufflevector <2 x double> %a, <2 x double> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  ret <4 x double> %shuffle
}

define <4 x double> @shuffle_op0_freeze_poison_use(<2 x double> %a) {
; CHECK-LABEL: @shuffle_op0_freeze_poison_use(
; CHECK-NEXT:    [[B:%.*]] = freeze <2 x double> poison
; CHECK-NEXT:    call void @use(<2 x double> [[B]])
; CHECK-NEXT:    [[SHUFFLE:%.*]] = shufflevector <2 x double> [[B]], <2 x double> [[A:%.*]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT:    ret <4 x double> [[SHUFFLE]]
;
  %b = freeze <2 x double> poison
  call void @use(<2 x double> %b)
  %shuffle = shufflevector <2 x double> %b, <2 x double> %a, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  ret <4 x double> %shuffle
}

define <4 x double> @shuffle_op1_freeze_poison_use(<2 x double> %a) {
; CHECK-LABEL: @shuffle_op1_freeze_poison_use(
; CHECK-NEXT:    [[B:%.*]] = freeze <2 x double> poison
; CHECK-NEXT:    call void @use(<2 x double> [[B]])
; CHECK-NEXT:    [[SHUFFLE:%.*]] = shufflevector <2 x double> [[A:%.*]], <2 x double> [[B]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT:    ret <4 x double> [[SHUFFLE]]
;
  %b = freeze <2 x double> poison
  call void @use(<2 x double> %b)
  %shuffle = shufflevector <2 x double> %a, <2 x double> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  ret <4 x double> %shuffle
}

define <4 x double> @shuffle_op0_freeze_undef(<2 x double> %a) {
; CHECK-LABEL: @shuffle_op0_freeze_undef(
; CHECK-NEXT:    [[B:%.*]] = freeze <2 x double> undef
; CHECK-NEXT:    call void @use(<2 x double> [[B]])
; CHECK-NEXT:    [[SHUFFLE:%.*]] = shufflevector <2 x double> [[B]], <2 x double> [[A:%.*]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT:    ret <4 x double> [[SHUFFLE]]
;
  %b = freeze <2 x double> undef
  call void @use(<2 x double> %b)
  %shuffle = shufflevector <2 x double> %b, <2 x double> %a, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  ret <4 x double> %shuffle
}

define <4 x double> @shuffle_op1_freeze_undef(<2 x double> %a) {
; CHECK-LABEL: @shuffle_op1_freeze_undef(
; CHECK-NEXT:    [[B:%.*]] = freeze <2 x double> undef
; CHECK-NEXT:    call void @use(<2 x double> [[B]])
; CHECK-NEXT:    [[SHUFFLE:%.*]] = shufflevector <2 x double> [[A:%.*]], <2 x double> [[B]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT:    ret <4 x double> [[SHUFFLE]]
;
  %b = freeze <2 x double> undef
  call void @use(<2 x double> %b)
  %shuffle = shufflevector <2 x double> %a, <2 x double> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  ret <4 x double> %shuffle
}

define <4 x double> @shuffle_bc1(<2 x double>  %a)  {
; CHECK-LABEL: @shuffle_bc1(
; CHECK-NEXT:    [[B:%.*]] = freeze <4 x float> poison
; CHECK-NEXT:    [[B1:%.*]] = bitcast <4 x float> [[B]] to <2 x double>
; CHECK-NEXT:    [[SHUFFLE:%.*]] = shufflevector <2 x double> [[A:%.*]], <2 x double> [[B1]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT:    ret <4 x double> [[SHUFFLE]]
;
  %b = freeze <4 x float> poison
  %b1 = bitcast <4 x float> %b to <2 x double>
  %shuffle = shufflevector <2 x double> %a, <2 x double> %b1, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  ret <4 x double> %shuffle
}

define <8 x float> @shuffle_bc2(<4 x float>  %a)  {
; CHECK-LABEL: @shuffle_bc2(
; CHECK-NEXT:    [[B:%.*]] = freeze <4 x float> poison
; CHECK-NEXT:    [[B1:%.*]] = bitcast <4 x float> [[B]] to <2 x double>
; CHECK-NEXT:    call void @use(<2 x double> [[B1]])
; CHECK-NEXT:    [[SHUFFLE:%.*]] = shufflevector <4 x float> [[A:%.*]], <4 x float> [[B]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
; CHECK-NEXT:    ret <8 x float> [[SHUFFLE]]
;
  %b = freeze <4 x float> poison
  %b1 = bitcast <4 x float> %b to <2 x double>
  call void @use(<2 x double> %b1)
  %b2 = bitcast <2 x double> %b1 to <4 x float>
  %shuffle = shufflevector <4 x float> %a, <4 x float> %b2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
  ret <8 x float> %shuffle
}

declare void @use(<2 x double>)