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[InstCombine][x86] add tests for possible blendv transform (PR38814); NFC

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llvm-svn: 341715
This commit is contained in:
Sanjay Patel 2018-09-07 21:40:41 +00:00
parent 6fce828d58
commit 5907f77236
1 changed files with 98 additions and 34 deletions
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132
test/Transforms/InstCombine/X86/blend_x86.ll
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@ -1,8 +1,9 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -mtriple=x86_64-apple-macosx -mcpu=core-avx2 -S | FileCheck %s
define <2 x double> @constant_blendvpd(<2 x double> %xy, <2 x double> %ab) {
; CHECK-LABEL: @constant_blendvpd(
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x double> %ab, <2 x double> %xy, <2 x i32> <i32 0, i32 3>
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x double> [[AB:%.*]], <2 x double> [[XY:%.*]], <2 x i32> <i32 0, i32 3>
; CHECK-NEXT: ret <2 x double> [[TMP1]]
;
%1 = tail call <2 x double> @llvm.x86.sse41.blendvpd(<2 x double> %xy, <2 x double> %ab, <2 x double> <double 0xFFFFFFFFE0000000, double 0.000000e+00>)
@ -10,22 +11,24 @@ define <2 x double> @constant_blendvpd(<2 x double> %xy, <2 x double> %ab) {
}
define <2 x double> @constant_blendvpd_zero(<2 x double> %xy, <2 x double> %ab) {
; CHECK-LABEL: @constant_blendvpd_zero
; CHECK-NEXT: ret <2 x double> %xy
; CHECK-LABEL: @constant_blendvpd_zero(
; CHECK-NEXT: ret <2 x double> [[XY:%.*]]
;
%1 = tail call <2 x double> @llvm.x86.sse41.blendvpd(<2 x double> %xy, <2 x double> %ab, <2 x double> zeroinitializer)
ret <2 x double> %1
}
define <2 x double> @constant_blendvpd_dup(<2 x double> %xy, <2 x double> %sel) {
; CHECK-LABEL: @constant_blendvpd_dup
; CHECK-NEXT: ret <2 x double> %xy
; CHECK-LABEL: @constant_blendvpd_dup(
; CHECK-NEXT: ret <2 x double> [[XY:%.*]]
;
%1 = tail call <2 x double> @llvm.x86.sse41.blendvpd(<2 x double> %xy, <2 x double> %xy, <2 x double> %sel)
ret <2 x double> %1
}
define <4 x float> @constant_blendvps(<4 x float> %xyzw, <4 x float> %abcd) {
; CHECK-LABEL: @constant_blendvps(
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x float> %abcd, <4 x float> %xyzw, <4 x i32> <i32 4, i32 5, i32 6, i32 3>
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x float> [[ABCD:%.*]], <4 x float> [[XYZW:%.*]], <4 x i32> <i32 4, i32 5, i32 6, i32 3>
; CHECK-NEXT: ret <4 x float> [[TMP1]]
;
%1 = tail call <4 x float> @llvm.x86.sse41.blendvps(<4 x float> %xyzw, <4 x float> %abcd, <4 x float> <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0xFFFFFFFFE0000000>)
@ -33,22 +36,24 @@ define <4 x float> @constant_blendvps(<4 x float> %xyzw, <4 x float> %abcd) {
}
define <4 x float> @constant_blendvps_zero(<4 x float> %xyzw, <4 x float> %abcd) {
; CHECK-LABEL: @constant_blendvps_zero
; CHECK-NEXT: ret <4 x float> %xyzw
; CHECK-LABEL: @constant_blendvps_zero(
; CHECK-NEXT: ret <4 x float> [[XYZW:%.*]]
;
%1 = tail call <4 x float> @llvm.x86.sse41.blendvps(<4 x float> %xyzw, <4 x float> %abcd, <4 x float> zeroinitializer)
ret <4 x float> %1
}
define <4 x float> @constant_blendvps_dup(<4 x float> %xyzw, <4 x float> %sel) {
; CHECK-LABEL: @constant_blendvps_dup
; CHECK-NEXT: ret <4 x float> %xyzw
; CHECK-LABEL: @constant_blendvps_dup(
; CHECK-NEXT: ret <4 x float> [[XYZW:%.*]]
;
%1 = tail call <4 x float> @llvm.x86.sse41.blendvps(<4 x float> %xyzw, <4 x float> %xyzw, <4 x float> %sel)
ret <4 x float> %1
}
define <16 x i8> @constant_pblendvb(<16 x i8> %xyzw, <16 x i8> %abcd) {
; CHECK-LABEL: @constant_pblendvb(
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <16 x i8> %abcd, <16 x i8> %xyzw, <16 x i32> <i32 16, i32 17, i32 2, i32 19, i32 4, i32 5, i32 6, i32 23, i32 24, i32 25, i32 10, i32 27, i32 12, i32 13, i32 14, i32 31>
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <16 x i8> [[ABCD:%.*]], <16 x i8> [[XYZW:%.*]], <16 x i32> <i32 16, i32 17, i32 2, i32 19, i32 4, i32 5, i32 6, i32 23, i32 24, i32 25, i32 10, i32 27, i32 12, i32 13, i32 14, i32 31>
; CHECK-NEXT: ret <16 x i8> [[TMP1]]
;
%1 = tail call <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8> %xyzw, <16 x i8> %abcd, <16 x i8> <i8 0, i8 0, i8 255, i8 0, i8 255, i8 255, i8 255, i8 0, i8 0, i8 0, i8 255, i8 0, i8 255, i8 255, i8 255, i8 0>)
@ -56,22 +61,24 @@ define <16 x i8> @constant_pblendvb(<16 x i8> %xyzw, <16 x i8> %abcd) {
}
define <16 x i8> @constant_pblendvb_zero(<16 x i8> %xyzw, <16 x i8> %abcd) {
; CHECK-LABEL: @constant_pblendvb_zero
; CHECK-NEXT: ret <16 x i8> %xyzw
; CHECK-LABEL: @constant_pblendvb_zero(
; CHECK-NEXT: ret <16 x i8> [[XYZW:%.*]]
;
%1 = tail call <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8> %xyzw, <16 x i8> %abcd, <16 x i8> zeroinitializer)
ret <16 x i8> %1
}
define <16 x i8> @constant_pblendvb_dup(<16 x i8> %xyzw, <16 x i8> %sel) {
; CHECK-LABEL: @constant_pblendvb_dup
; CHECK-NEXT: ret <16 x i8> %xyzw
; CHECK-LABEL: @constant_pblendvb_dup(
; CHECK-NEXT: ret <16 x i8> [[XYZW:%.*]]
;
%1 = tail call <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8> %xyzw, <16 x i8> %xyzw, <16 x i8> %sel)
ret <16 x i8> %1
}
define <4 x double> @constant_blendvpd_avx(<4 x double> %xy, <4 x double> %ab) {
; CHECK-LABEL: @constant_blendvpd_avx(
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x double> %ab, <4 x double> %xy, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x double> [[AB:%.*]], <4 x double> [[XY:%.*]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
; CHECK-NEXT: ret <4 x double> [[TMP1]]
;
%1 = tail call <4 x double> @llvm.x86.avx.blendv.pd.256(<4 x double> %xy, <4 x double> %ab, <4 x double> <double 0xFFFFFFFFE0000000, double 0.000000e+00, double 0xFFFFFFFFE0000000, double 0.000000e+00>)
@ -79,22 +86,24 @@ define <4 x double> @constant_blendvpd_avx(<4 x double> %xy, <4 x double> %ab) {
}
define <4 x double> @constant_blendvpd_avx_zero(<4 x double> %xy, <4 x double> %ab) {
; CHECK-LABEL: @constant_blendvpd_avx_zero
; CHECK-NEXT: ret <4 x double> %xy
; CHECK-LABEL: @constant_blendvpd_avx_zero(
; CHECK-NEXT: ret <4 x double> [[XY:%.*]]
;
%1 = tail call <4 x double> @llvm.x86.avx.blendv.pd.256(<4 x double> %xy, <4 x double> %ab, <4 x double> zeroinitializer)
ret <4 x double> %1
}
define <4 x double> @constant_blendvpd_avx_dup(<4 x double> %xy, <4 x double> %sel) {
; CHECK-LABEL: @constant_blendvpd_avx_dup
; CHECK-NEXT: ret <4 x double> %xy
; CHECK-LABEL: @constant_blendvpd_avx_dup(
; CHECK-NEXT: ret <4 x double> [[XY:%.*]]
;
%1 = tail call <4 x double> @llvm.x86.avx.blendv.pd.256(<4 x double> %xy, <4 x double> %xy, <4 x double> %sel)
ret <4 x double> %1
}
define <8 x float> @constant_blendvps_avx(<8 x float> %xyzw, <8 x float> %abcd) {
; CHECK-LABEL: @constant_blendvps_avx(
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x float> %abcd, <8 x float> %xyzw, <8 x i32> <i32 8, i32 9, i32 10, i32 3, i32 12, i32 13, i32 14, i32 7>
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x float> [[ABCD:%.*]], <8 x float> [[XYZW:%.*]], <8 x i32> <i32 8, i32 9, i32 10, i32 3, i32 12, i32 13, i32 14, i32 7>
; CHECK-NEXT: ret <8 x float> [[TMP1]]
;
%1 = tail call <8 x float> @llvm.x86.avx.blendv.ps.256(<8 x float> %xyzw, <8 x float> %abcd, <8 x float> <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0xFFFFFFFFE0000000, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0xFFFFFFFFE0000000>)
@ -102,46 +111,100 @@ define <8 x float> @constant_blendvps_avx(<8 x float> %xyzw, <8 x float> %abcd)
}
define <8 x float> @constant_blendvps_avx_zero(<8 x float> %xyzw, <8 x float> %abcd) {
; CHECK-LABEL: @constant_blendvps_avx_zero
; CHECK-NEXT: ret <8 x float> %xyzw
; CHECK-LABEL: @constant_blendvps_avx_zero(
; CHECK-NEXT: ret <8 x float> [[XYZW:%.*]]
;
%1 = tail call <8 x float> @llvm.x86.avx.blendv.ps.256(<8 x float> %xyzw, <8 x float> %abcd, <8 x float> zeroinitializer)
ret <8 x float> %1
}
define <8 x float> @constant_blendvps_avx_dup(<8 x float> %xyzw, <8 x float> %sel) {
; CHECK-LABEL: @constant_blendvps_avx_dup
; CHECK-NEXT: ret <8 x float> %xyzw
; CHECK-LABEL: @constant_blendvps_avx_dup(
; CHECK-NEXT: ret <8 x float> [[XYZW:%.*]]
;
%1 = tail call <8 x float> @llvm.x86.avx.blendv.ps.256(<8 x float> %xyzw, <8 x float> %xyzw, <8 x float> %sel)
ret <8 x float> %1
}
define <32 x i8> @constant_pblendvb_avx2(<32 x i8> %xyzw, <32 x i8> %abcd) {
; CHECK-LABEL: @constant_pblendvb_avx2(
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <32 x i8> %abcd, <32 x i8> %xyzw, <32 x i32> <i32 32, i32 33, i32 2, i32 35, i32 4, i32 5, i32 6, i32 39, i32 40, i32 41, i32 10, i32 43, i32 12, i32 13, i32 14, i32 47, i32 48, i32 49, i32 18, i32 51, i32 20, i32 21, i32 22, i32 55, i32 56, i32 57, i32 26, i32 59, i32 28, i32 29, i32 30, i32 63>
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <32 x i8> [[ABCD:%.*]], <32 x i8> [[XYZW:%.*]], <32 x i32> <i32 32, i32 33, i32 2, i32 35, i32 4, i32 5, i32 6, i32 39, i32 40, i32 41, i32 10, i32 43, i32 12, i32 13, i32 14, i32 47, i32 48, i32 49, i32 18, i32 51, i32 20, i32 21, i32 22, i32 55, i32 56, i32 57, i32 26, i32 59, i32 28, i32 29, i32 30, i32 63>
; CHECK-NEXT: ret <32 x i8> [[TMP1]]
;
%1 = tail call <32 x i8> @llvm.x86.avx2.pblendvb(<32 x i8> %xyzw, <32 x i8> %abcd,
<32 x i8> <i8 0, i8 0, i8 255, i8 0, i8 255, i8 255, i8 255, i8 0,
i8 0, i8 0, i8 255, i8 0, i8 255, i8 255, i8 255, i8 0,
i8 0, i8 0, i8 255, i8 0, i8 255, i8 255, i8 255, i8 0,
i8 0, i8 0, i8 255, i8 0, i8 255, i8 255, i8 255, i8 0>)
<32 x i8> <i8 0, i8 0, i8 255, i8 0, i8 255, i8 255, i8 255, i8 0,
i8 0, i8 0, i8 255, i8 0, i8 255, i8 255, i8 255, i8 0,
i8 0, i8 0, i8 255, i8 0, i8 255, i8 255, i8 255, i8 0,
i8 0, i8 0, i8 255, i8 0, i8 255, i8 255, i8 255, i8 0>)
ret <32 x i8> %1
}
define <32 x i8> @constant_pblendvb_avx2_zero(<32 x i8> %xyzw, <32 x i8> %abcd) {
; CHECK-LABEL: @constant_pblendvb_avx2_zero
; CHECK-NEXT: ret <32 x i8> %xyzw
; CHECK-LABEL: @constant_pblendvb_avx2_zero(
; CHECK-NEXT: ret <32 x i8> [[XYZW:%.*]]
;
%1 = tail call <32 x i8> @llvm.x86.avx2.pblendvb(<32 x i8> %xyzw, <32 x i8> %abcd, <32 x i8> zeroinitializer)
ret <32 x i8> %1
}
define <32 x i8> @constant_pblendvb_avx2_dup(<32 x i8> %xyzw, <32 x i8> %sel) {
; CHECK-LABEL: @constant_pblendvb_avx2_dup
; CHECK-NEXT: ret <32 x i8> %xyzw
; CHECK-LABEL: @constant_pblendvb_avx2_dup(
; CHECK-NEXT: ret <32 x i8> [[XYZW:%.*]]
;
%1 = tail call <32 x i8> @llvm.x86.avx2.pblendvb(<32 x i8> %xyzw, <32 x i8> %xyzw, <32 x i8> %sel)
ret <32 x i8> %1
}
define <4 x float> @sel_v4f32(<4 x float> %x, <4 x float> %y, <4 x i1> %cond) {
; CHECK-LABEL: @sel_v4f32(
; CHECK-NEXT: [[S:%.*]] = sext <4 x i1> [[COND:%.*]] to <4 x i32>
; CHECK-NEXT: [[B:%.*]] = bitcast <4 x i32> [[S]] to <4 x float>
; CHECK-NEXT: [[R:%.*]] = call <4 x float> @llvm.x86.sse41.blendvps(<4 x float> [[X:%.*]], <4 x float> [[Y:%.*]], <4 x float> [[B]])
; CHECK-NEXT: ret <4 x float> [[R]]
;
%s = sext <4 x i1> %cond to <4 x i32>
%b = bitcast <4 x i32> %s to <4 x float>
%r = call <4 x float> @llvm.x86.sse41.blendvps(<4 x float> %x, <4 x float> %y, <4 x float> %b)
ret <4 x float> %r
}
define <2 x double> @sel_v2f64(<2 x double> %x, <2 x double> %y, <2 x i1> %cond) {
; CHECK-LABEL: @sel_v2f64(
; CHECK-NEXT: [[S:%.*]] = sext <2 x i1> [[COND:%.*]] to <2 x i64>
; CHECK-NEXT: [[B:%.*]] = bitcast <2 x i64> [[S]] to <2 x double>
; CHECK-NEXT: [[R:%.*]] = call <2 x double> @llvm.x86.sse41.blendvpd(<2 x double> [[X:%.*]], <2 x double> [[Y:%.*]], <2 x double> [[B]])
; CHECK-NEXT: ret <2 x double> [[R]]
;
%s = sext <2 x i1> %cond to <2 x i64>
%b = bitcast <2 x i64> %s to <2 x double>
%r = call <2 x double> @llvm.x86.sse41.blendvpd(<2 x double> %x, <2 x double> %y, <2 x double> %b)
ret <2 x double> %r
}
define <16 x i8> @sel_v4i32(<16 x i8> %x, <16 x i8> %y, <4 x i1> %cond) {
; CHECK-LABEL: @sel_v4i32(
; CHECK-NEXT: [[S:%.*]] = sext <4 x i1> [[COND:%.*]] to <4 x i32>
; CHECK-NEXT: [[B:%.*]] = bitcast <4 x i32> [[S]] to <16 x i8>
; CHECK-NEXT: [[R:%.*]] = call <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8> [[X:%.*]], <16 x i8> [[Y:%.*]], <16 x i8> [[B]])
; CHECK-NEXT: ret <16 x i8> [[R]]
;
%s = sext <4 x i1> %cond to <4 x i32>
%b = bitcast <4 x i32> %s to <16 x i8>
%r = call <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8> %x, <16 x i8> %y, <16 x i8> %b)
ret <16 x i8> %r
}
define <16 x i8> @sel_v16i8(<16 x i8> %x, <16 x i8> %y, <16 x i1> %cond) {
; CHECK-LABEL: @sel_v16i8(
; CHECK-NEXT: [[S:%.*]] = sext <16 x i1> [[COND:%.*]] to <16 x i8>
; CHECK-NEXT: [[R:%.*]] = tail call <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8> [[X:%.*]], <16 x i8> [[Y:%.*]], <16 x i8> [[S]])
; CHECK-NEXT: ret <16 x i8> [[R]]
;
%s = sext <16 x i1> %cond to <16 x i8>
%r = tail call <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8> %x, <16 x i8> %y, <16 x i8> %s)
ret <16 x i8> %r
}
declare <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8>, <16 x i8>, <16 x i8>)
declare <4 x float> @llvm.x86.sse41.blendvps(<4 x float>, <4 x float>, <4 x float>)
declare <2 x double> @llvm.x86.sse41.blendvpd(<2 x double>, <2 x double>, <2 x double>)
@ -149,3 +212,4 @@ declare <2 x double> @llvm.x86.sse41.blendvpd(<2 x double>, <2 x double>, <2 x d
declare <32 x i8> @llvm.x86.avx2.pblendvb(<32 x i8>, <32 x i8>, <32 x i8>)
declare <8 x float> @llvm.x86.avx.blendv.ps.256(<8 x float>, <8 x float>, <8 x float>)
declare <4 x double> @llvm.x86.avx.blendv.pd.256(<4 x double>, <4 x double>, <4 x double>)