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[SLP] add test for vectorization of different widths (PR28457); NFC
llvm-svn: 373483
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Sanjay Patel
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f97c03b940
commit
7afee17f23
105
test/Transforms/SLPVectorizer/X86/different-vec-widths.ll
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105
test/Transforms/SLPVectorizer/X86/different-vec-widths.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -mattr=sse2 -slp-vectorizer -S | FileCheck %s --check-prefix=CHECK --check-prefix=SSE
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; RUN: opt < %s -mattr=avx2 -slp-vectorizer -S | FileCheck %s --check-prefix=CHECK --check-prefix=AVX
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; TODO:
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; With AVX, we are able to vectorize the 1st 4 elements as 256-bit vector ops,
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; but the final 2 elements remain scalar. They should get vectorized using
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; 128-bit ops identically to what happens with SSE.
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @PR28457(double* noalias nocapture align 32 %q, double* noalias nocapture readonly align 32 %p) {
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; SSE-LABEL: @PR28457(
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; SSE-NEXT: [[P0:%.*]] = getelementptr inbounds double, double* [[P:%.*]], i64 0
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; SSE-NEXT: [[P1:%.*]] = getelementptr inbounds double, double* [[P]], i64 1
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; SSE-NEXT: [[P2:%.*]] = getelementptr inbounds double, double* [[P]], i64 2
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; SSE-NEXT: [[P3:%.*]] = getelementptr inbounds double, double* [[P]], i64 3
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; SSE-NEXT: [[P4:%.*]] = getelementptr inbounds double, double* [[P]], i64 4
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; SSE-NEXT: [[P5:%.*]] = getelementptr inbounds double, double* [[P]], i64 5
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; SSE-NEXT: [[Q0:%.*]] = getelementptr inbounds double, double* [[Q:%.*]], i64 0
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; SSE-NEXT: [[Q1:%.*]] = getelementptr inbounds double, double* [[Q]], i64 1
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; SSE-NEXT: [[Q2:%.*]] = getelementptr inbounds double, double* [[Q]], i64 2
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; SSE-NEXT: [[Q3:%.*]] = getelementptr inbounds double, double* [[Q]], i64 3
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; SSE-NEXT: [[Q4:%.*]] = getelementptr inbounds double, double* [[Q]], i64 4
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; SSE-NEXT: [[Q5:%.*]] = getelementptr inbounds double, double* [[Q]], i64 5
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; SSE-NEXT: [[TMP1:%.*]] = bitcast double* [[P0]] to <2 x double>*
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; SSE-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8
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; SSE-NEXT: [[TMP3:%.*]] = bitcast double* [[P2]] to <2 x double>*
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; SSE-NEXT: [[TMP4:%.*]] = load <2 x double>, <2 x double>* [[TMP3]], align 8
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; SSE-NEXT: [[TMP5:%.*]] = bitcast double* [[P4]] to <2 x double>*
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; SSE-NEXT: [[TMP6:%.*]] = load <2 x double>, <2 x double>* [[TMP5]], align 8
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; SSE-NEXT: [[TMP7:%.*]] = fadd <2 x double> [[TMP2]], <double 1.000000e+00, double 1.000000e+00>
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; SSE-NEXT: [[TMP8:%.*]] = fadd <2 x double> [[TMP4]], <double 1.000000e+00, double 1.000000e+00>
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; SSE-NEXT: [[TMP9:%.*]] = fadd <2 x double> [[TMP6]], <double 1.000000e+00, double 1.000000e+00>
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; SSE-NEXT: [[TMP10:%.*]] = bitcast double* [[Q0]] to <2 x double>*
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; SSE-NEXT: store <2 x double> [[TMP7]], <2 x double>* [[TMP10]], align 8
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; SSE-NEXT: [[TMP11:%.*]] = bitcast double* [[Q2]] to <2 x double>*
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; SSE-NEXT: store <2 x double> [[TMP8]], <2 x double>* [[TMP11]], align 8
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; SSE-NEXT: [[TMP12:%.*]] = bitcast double* [[Q4]] to <2 x double>*
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; SSE-NEXT: store <2 x double> [[TMP9]], <2 x double>* [[TMP12]], align 8
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; SSE-NEXT: ret void
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;
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; AVX-LABEL: @PR28457(
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; AVX-NEXT: [[P0:%.*]] = getelementptr inbounds double, double* [[P:%.*]], i64 0
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; AVX-NEXT: [[P1:%.*]] = getelementptr inbounds double, double* [[P]], i64 1
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; AVX-NEXT: [[P2:%.*]] = getelementptr inbounds double, double* [[P]], i64 2
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; AVX-NEXT: [[P3:%.*]] = getelementptr inbounds double, double* [[P]], i64 3
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; AVX-NEXT: [[P4:%.*]] = getelementptr inbounds double, double* [[P]], i64 4
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; AVX-NEXT: [[P5:%.*]] = getelementptr inbounds double, double* [[P]], i64 5
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; AVX-NEXT: [[Q0:%.*]] = getelementptr inbounds double, double* [[Q:%.*]], i64 0
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; AVX-NEXT: [[Q1:%.*]] = getelementptr inbounds double, double* [[Q]], i64 1
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; AVX-NEXT: [[Q2:%.*]] = getelementptr inbounds double, double* [[Q]], i64 2
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; AVX-NEXT: [[Q3:%.*]] = getelementptr inbounds double, double* [[Q]], i64 3
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; AVX-NEXT: [[Q4:%.*]] = getelementptr inbounds double, double* [[Q]], i64 4
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; AVX-NEXT: [[Q5:%.*]] = getelementptr inbounds double, double* [[Q]], i64 5
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; AVX-NEXT: [[TMP1:%.*]] = bitcast double* [[P0]] to <4 x double>*
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; AVX-NEXT: [[TMP2:%.*]] = load <4 x double>, <4 x double>* [[TMP1]], align 8
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; AVX-NEXT: [[D4:%.*]] = load double, double* [[P4]]
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; AVX-NEXT: [[D5:%.*]] = load double, double* [[P5]]
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; AVX-NEXT: [[TMP3:%.*]] = fadd <4 x double> [[TMP2]], <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
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; AVX-NEXT: [[A4:%.*]] = fadd double [[D4]], 1.000000e+00
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; AVX-NEXT: [[A5:%.*]] = fadd double [[D5]], 1.000000e+00
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; AVX-NEXT: [[TMP4:%.*]] = bitcast double* [[Q0]] to <4 x double>*
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; AVX-NEXT: store <4 x double> [[TMP3]], <4 x double>* [[TMP4]], align 8
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; AVX-NEXT: store double [[A4]], double* [[Q4]]
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; AVX-NEXT: store double [[A5]], double* [[Q5]]
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; AVX-NEXT: ret void
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;
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%p0 = getelementptr inbounds double, double* %p, i64 0
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%p1 = getelementptr inbounds double, double* %p, i64 1
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%p2 = getelementptr inbounds double, double* %p, i64 2
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%p3 = getelementptr inbounds double, double* %p, i64 3
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%p4 = getelementptr inbounds double, double* %p, i64 4
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%p5 = getelementptr inbounds double, double* %p, i64 5
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%q0 = getelementptr inbounds double, double* %q, i64 0
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%q1 = getelementptr inbounds double, double* %q, i64 1
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%q2 = getelementptr inbounds double, double* %q, i64 2
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%q3 = getelementptr inbounds double, double* %q, i64 3
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%q4 = getelementptr inbounds double, double* %q, i64 4
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%q5 = getelementptr inbounds double, double* %q, i64 5
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%d0 = load double, double* %p0
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%d1 = load double, double* %p1
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%d2 = load double, double* %p2
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%d3 = load double, double* %p3
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%d4 = load double, double* %p4
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%d5 = load double, double* %p5
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%a0 = fadd double %d0, 1.0
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%a1 = fadd double %d1, 1.0
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%a2 = fadd double %d2, 1.0
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%a3 = fadd double %d3, 1.0
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%a4 = fadd double %d4, 1.0
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%a5 = fadd double %d5, 1.0
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store double %a0, double* %q0
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store double %a1, double* %q1
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store double %a2, double* %q2
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store double %a3, double* %q3
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store double %a4, double* %q4
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store double %a5, double* %q5
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ret void
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}
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