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[SLP][NFC]Add a test for PR72202 to show a bug in a mask generation for
vectorized extractelements operands.
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llvm/test/Transforms/SLPVectorizer/X86/extractelements-vector-ops-shuffle.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 | ||
; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s | ||
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define double @test() { | ||
; CHECK-LABEL: define double @test() { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr getelementptr inbounds ([13 x double], ptr null, i64 0, i64 5), align 8 | ||
; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, ptr getelementptr inbounds ([13 x double], ptr null, i64 0, i64 8), align 16 | ||
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <2 x double> [[TMP0]], <2 x double> [[TMP1]], <2 x i32> <i32 1, i32 3> | ||
; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <2 x double> [[TMP2]], <2 x double> poison, <4 x i32> <i32 0, i32 1, i32 poison, i32 poison> | ||
; CHECK-NEXT: [[TMP4:%.*]] = fmul <4 x double> zeroinitializer, [[TMP3]] | ||
; CHECK-NEXT: [[TMP5:%.*]] = call reassoc nsz double @llvm.vector.reduce.fadd.v4f64(double -0.000000e+00, <4 x double> [[TMP4]]) | ||
; CHECK-NEXT: [[TMP6:%.*]] = fmul double [[TMP5]], 0.000000e+00 | ||
; CHECK-NEXT: store double [[TMP6]], ptr null, align 16 | ||
; CHECK-NEXT: br label [[BB:%.*]] | ||
; CHECK: bb: | ||
; CHECK-NEXT: [[TMP7:%.*]] = fmul <2 x double> [[TMP1]], zeroinitializer | ||
; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x double> [[TMP7]], i32 0 | ||
; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x double> [[TMP7]], i32 1 | ||
; CHECK-NEXT: [[TMP10:%.*]] = fadd double [[TMP8]], [[TMP9]] | ||
; CHECK-NEXT: [[TMP11:%.*]] = fmul <2 x double> [[TMP0]], zeroinitializer | ||
; CHECK-NEXT: [[TMP12:%.*]] = extractelement <2 x double> [[TMP11]], i32 1 | ||
; CHECK-NEXT: [[TMP13:%.*]] = fadd double [[TMP12]], [[TMP10]] | ||
; CHECK-NEXT: [[TMP14:%.*]] = extractelement <2 x double> [[TMP11]], i32 0 | ||
; CHECK-NEXT: [[TMP15:%.*]] = fadd double [[TMP14]], [[TMP13]] | ||
; CHECK-NEXT: ret double [[TMP15]] | ||
; | ||
entry: | ||
%0 = fmul double 0.000000e+00, 0.000000e+00 | ||
%1 = fmul double 0.000000e+00, 0.000000e+00 | ||
%2 = fadd reassoc nsz double %1, %0 | ||
%3 = load double, ptr getelementptr inbounds ([13 x double], ptr null, i64 0, i64 5), align 8 | ||
%4 = load double, ptr getelementptr inbounds ([13 x double], ptr null, i64 0, i64 6), align 16 | ||
%5 = fmul double %4, 0.000000e+00 | ||
%6 = fadd reassoc nsz double %5, %2 | ||
%7 = load double, ptr getelementptr inbounds ([13 x double], ptr null, i64 0, i64 8), align 16 | ||
%8 = load double, ptr getelementptr inbounds ([13 x double], ptr null, i64 0, i64 9), align 8 | ||
%9 = fmul double %8, 0.000000e+00 | ||
%10 = fadd reassoc nsz double %9, %6 | ||
%11 = fmul double %10, 0.000000e+00 | ||
store double %11, ptr null, align 16 | ||
br label %bb | ||
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bb: | ||
%12 = fmul double %8, 0.000000e+00 | ||
%13 = fmul double %7, 0.000000e+00 | ||
%14 = fadd double %13, %12 | ||
%15 = fmul double %4, 0.000000e+00 | ||
%16 = fadd double %15, %14 | ||
%17 = fmul double %3, 0.000000e+00 | ||
%18 = fadd double %17, %16 | ||
ret double %18 | ||
} |