test/Transforms/InstCombine/vector_insertelt_shuffle.ll

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

define<4 x float> @foo(<4 x float> %x) {
  %ins1 = insertelement<4 x float> %x, float 1.0, i32 1
  %ins2 = insertelement<4 x float> %ins1, float 2.0, i32 2
  ret<4 x float> %ins2
}

; insertelements should fold to shuffle
; CHECK-LABEL: @foo
; CHECK-NEXT: shufflevector <4 x float> %{{.+}}, <4 x float> <float undef, float 1.000000e+00, float 2.000000e+00, float undef>, <4 x i32> <i32 0, i32 5, i32 6, i32 3>
; CHECK-NEXT: ret <4 x float> %

define<4 x float> @bar(<4 x float> %x, float %a) {
  %ins1 = insertelement<4 x float> %x, float %a, i32 1
  %ins2 = insertelement<4 x float> %ins1, float 2.0, i32 2
  ret<4 x float> %ins2
}

; CHECK-LABEL: @bar
; CHECK-NEXT: insertelement <4 x float> %{{.+}}, float %{{.+}}, i32 1
; CHECK-NEXT: insertelement <4 x float> %{{.+}}, float 2.000000e+00, i32 2
; CHECK-NEXT: ret <4 x float> %

define<4 x float> @baz(<4 x float> %x, i32 %a) {
  %ins1 = insertelement<4 x float> %x, float 1.0, i32 1
  %ins2 = insertelement<4 x float> %ins1, float 2.0, i32 %a
  ret<4 x float> %ins2
}

; CHECK-LABEL: @baz
; CHECK-NEXT: insertelement <4 x float> %{{.+}}, float 1.000000e+00, i32 1
; CHECK-NEXT: insertelement <4 x float> %ins1, float 2.000000e+00, i32 %
; CHECK-NEXT: ret <4 x float> %

define<4 x float> @bazz(<4 x float> %x, i32 %a) {
  %ins1 = insertelement<4 x float> %x, float 1.0, i32 3
  %ins2 = insertelement<4 x float> %ins1, float 5.0, i32 %a
  %ins3 = insertelement<4 x float> %ins2, float 3.0, i32 2
  %ins4 = insertelement<4 x float> %ins3, float 1.0, i32 1
  %ins5 = insertelement<4 x float> %ins4, float 2.0, i32 2
  %ins6 = insertelement<4 x float> %ins5, float 7.0, i32 %a
  ret<4 x float> %ins6
}

; insertelements should fold to shuffle
; CHECK-LABEL: @bazz
; CHECK-NEXT: insertelement <4 x float> %{{.+}}, float 1.000000e+00, i32 3
; CHECK-NEXT: insertelement <4 x float> %{{.+}}, float 5.000000e+00, i32 %
; CHECK-NEXT: shufflevector <4 x float> %{{.+}}, <4 x float> <float undef, float 1.000000e+00, float 2.000000e+00, float undef>, <4 x i32> <i32 0, i32 5, i32 6, i32 3>
; CHECK-NEXT: insertelement <4 x float> %{{.+}}, float 7.000000e+00, i32 %
; CHECK-NEXT: ret <4 x float> %

define<4 x float> @bazzz(<4 x float> %x) {
  %ins1 = insertelement<4 x float> %x, float 1.0, i32 5
  %ins2 = insertelement<4 x float> %ins1, float 2.0, i32 2
  ret<4 x float> %ins2
}

; CHECK-LABEL: @bazzz
; CHECK-NEXT: insertelement <4 x float> %{{.+}}, float 2.000000e+00, i32 2
; CHECK-NEXT: ret <4 x float> %

define<4 x float> @bazzzz(<4 x float> %x) {
  %ins1 = insertelement<4 x float> %x, float 1.0, i32 undef
  %ins2 = insertelement<4 x float> %ins1, float 2.0, i32 2
  ret<4 x float> %ins2
}

; CHECK-LABEL: @bazzzz
; CHECK-NEXT: insertelement <4 x float> %{{.+}}, float 1.000000e+00, i32 undef
; CHECK-NEXT: insertelement <4 x float> %{{.+}}, float 2.000000e+00, i32 2
; CHECK-NEXT: ret <4 x float> %

define<4 x float> @bazzzzz() {
  %ins1 = insertelement <4 x float> insertelement (<4 x float> <float 1.0, float 2.0, float 3.0, float undef>, float 4.0, i32 3), float 5.0, i32 1
  %ins2 = insertelement<4 x float> %ins1, float 10.0, i32 2
  ret<4 x float> %ins2
}

; insertelements should fold to shuffle
; CHECK-LABEL: @bazzzzz
; CHECK-NEXT: ret <4 x float> <float 1.000000e+00, float 5.000000e+00, float 1.000000e+01, float 4.000000e+00>

define<4 x float> @bazzzzzz(<4 x float> %x, i32 %a) {
  %ins1 = insertelement <4 x float> insertelement (<4 x float> shufflevector (<4 x float> undef, <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0> , <4 x i32> <i32 0, i32 5, i32 undef, i32 6> ), float 4.0, i32 3), float 5.0, i32 1
  ret<4 x float> %ins1
}

; insertelements should fold to shuffle
; CHECK-LABEL: @bazzzzz
; CHECK-NEXT: ret <4 x float> <float undef, float 5.000000e+00, float undef, float 4.000000e+00>