llvm-project/llvm/test/CodeGen/X86/avx-basic.ll

; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s

@x = common global <8 x float> zeroinitializer, align 32
@y = common global <4 x double> zeroinitializer, align 32
@z = common global <4 x float> zeroinitializer, align 16

define void @zero128() nounwind ssp {
entry:
  ; CHECK: vxorps
  ; CHECK: vmovaps
  store <4 x float> zeroinitializer, <4 x float>* @z, align 16
  ret void
}

define void @zero256() nounwind ssp {
entry:
  ; CHECK: vxorps
  ; CHECK: vmovaps
  ; CHECK: vmovaps
  store <8 x float> zeroinitializer, <8 x float>* @x, align 32
  store <4 x double> zeroinitializer, <4 x double>* @y, align 32
  ret void
}

; CHECK: vpcmpeqd
; CHECK: vinsertf128 $1
define void @ones([0 x float]* nocapture %RET, [0 x float]* nocapture %aFOO) nounwind {
allocas:
  %ptr2vec615 = bitcast [0 x float]* %RET to <8 x float>*
  store <8 x float> <float 0xFFFFFFFFE0000000, float 0xFFFFFFFFE0000000, float
0xFFFFFFFFE0000000, float 0xFFFFFFFFE0000000, float 0xFFFFFFFFE0000000, float
0xFFFFFFFFE0000000, float 0xFFFFFFFFE0000000, float 0xFFFFFFFFE0000000>, <8 x
float>* %ptr2vec615, align 32
  ret void
}

; CHECK: vpcmpeqd
; CHECK: vinsertf128 $1
define void @ones2([0 x i32]* nocapture %RET, [0 x i32]* nocapture %aFOO) nounwind {
allocas:
  %ptr2vec615 = bitcast [0 x i32]* %RET to <8 x i32>*
  store <8 x i32> <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>, <8 x i32>* %ptr2vec615, align 32
  ret void
}

;;; Just make sure this doesn't crash
; CHECK: _ISelCrash
define <4 x i64> @ISelCrash(<4 x i64> %a) nounwind uwtable readnone ssp {
entry:
  %shuffle = shufflevector <4 x i64> %a, <4 x i64> undef, <4 x i32> <i32 2, i32 3, i32 4, i32 4>
  ret <4 x i64> %shuffle
}

;;;
;;; Check that some 256-bit vectors are xformed into 128 ops
; CHECK: _A
; CHECK: vshufpd $1
; CHECK-NEXT: vextractf128 $1
; CHECK-NEXT: vshufpd $1
; CHECK-NEXT: vinsertf128 $1
define <4 x i64> @A(<4 x i64> %a, <4 x i64> %b) nounwind uwtable readnone ssp {
entry:
  %shuffle = shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32> <i32 1, i32 0, i32 7, i32 6>
  ret <4 x i64> %shuffle
}

; CHECK: _B
; CHECK: vshufpd $1, %ymm
define <4 x i64> @B(<4 x i64> %a, <4 x i64> %b) nounwind uwtable readnone ssp {
entry:
  %shuffle = shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32> <i32 1, i32 undef, i32 undef, i32 6>
  ret <4 x i64> %shuffle
}

; CHECK: movlhps
; CHECK-NEXT: vextractf128  $1
; CHECK-NEXT: movlhps
; CHECK-NEXT: vinsertf128 $1
define <4 x i64> @C(<4 x i64> %a, <4 x i64> %b) nounwind uwtable readnone ssp {
entry:
  %shuffle = shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32> <i32 undef, i32 0, i32 undef, i32 6>
  ret <4 x i64> %shuffle
}

; CHECK: vpshufd $-96
; CHECK: vpshufd $-6
; CHECK: vinsertf128 $1
define <8 x i32> @D(<8 x i32> %a, <8 x i32> %b) nounwind uwtable readnone ssp {
entry:
  %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 10, i32 10, i32 11, i32 11>
  ret <8 x i32> %shuffle
}

;;; Don't crash on movd
; CHECK: _VMOVZQI2PQI
; CHECK: vmovd (%
define <8 x i32> @VMOVZQI2PQI([0 x float]* nocapture %aFOO) nounwind {
allocas:
  %ptrcast.i33.i = bitcast [0 x float]* %aFOO to i32*
  %val.i34.i = load i32* %ptrcast.i33.i, align 4
  %ptroffset.i22.i992 = getelementptr [0 x float]* %aFOO, i64 0, i64 1
  %ptrcast.i23.i = bitcast float* %ptroffset.i22.i992 to i32*
  %val.i24.i = load i32* %ptrcast.i23.i, align 4
  %updatedret.i30.i = insertelement <8 x i32> undef, i32 %val.i34.i, i32 1
  ret <8 x i32> %updatedret.i30.i
}

;;;; Don't crash on fneg
; rdar://10566486
; CHECK: fneg
; CHECK: vxorps
define <16 x float> @fneg(<16 x float> %a) nounwind {
  %1 = fsub <16 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %a
  ret <16 x float> %1
}

;;; Don't crash on build vector
; CHECK: @build_vec_16x16
; CHECK: vmovd
define <16 x i16> @build_vec_16x16(i16 %a) nounwind readonly {
  %res = insertelement <16 x i16> <i16 undef, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0>, i16 %a, i32 0
  ret <16 x i16> %res
}

;;; Check that VMOVPQIto64rr generates the assembly string "vmovd".  Previously
;;; an incorrect mnemonic of "movd" was printed for this instruction.
; CHECK: VMOVPQIto64rr
; CHECK: vmovd
define i64 @VMOVPQIto64rr(<2 x i64> %a) {
entry:
  %vecext.i = extractelement <2 x i64> %a, i32 0
  ret i64 %vecext.i
}