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[SLP][NFC]Add a test for reorder of alt shuffle operands.
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llvm/test/Transforms/SLPVectorizer/X86/vectorize-reorder-alt-shuffle.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | ||
; RUN: opt -slp-vectorizer -S -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s | ||
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define void @foo(i8* %c, float* %d) { | ||
; CHECK-LABEL: @foo( | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[C:%.*]], i64 4 | ||
; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i8, i8* [[C]], i64 1 | ||
; CHECK-NEXT: [[ARRAYIDX12:%.*]] = getelementptr inbounds i8, i8* [[C]], i64 2 | ||
; CHECK-NEXT: [[ARRAYIDX17:%.*]] = getelementptr inbounds i8, i8* [[C]], i64 3 | ||
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i8* [[ARRAYIDX4]] to <4 x i8>* | ||
; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i8>, <4 x i8>* [[TMP0]], align 1 | ||
; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <4 x i8> [[TMP1]], <4 x i8> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 0> | ||
; CHECK-NEXT: [[TMP2:%.*]] = zext <4 x i8> [[SHUFFLE]] to <4 x i32> | ||
; CHECK-NEXT: [[TMP3:%.*]] = shl nuw nsw <4 x i32> [[TMP2]], <i32 2, i32 2, i32 3, i32 2> | ||
; CHECK-NEXT: [[TMP4:%.*]] = and <4 x i32> [[TMP2]], <i32 2, i32 2, i32 3, i32 2> | ||
; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <4 x i32> [[TMP3]], <4 x i32> [[TMP4]], <4 x i32> <i32 0, i32 1, i32 6, i32 3> | ||
; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds float, float* [[D:%.*]], i64 -1 | ||
; CHECK-NEXT: [[ADD_PTR37:%.*]] = getelementptr inbounds float, float* [[D]], i64 -2 | ||
; CHECK-NEXT: [[ADD_PTR45:%.*]] = getelementptr inbounds float, float* [[D]], i64 -3 | ||
; CHECK-NEXT: [[TMP6:%.*]] = add nsw <4 x i32> poison, [[TMP5]] | ||
; CHECK-NEXT: [[TMP7:%.*]] = sitofp <4 x i32> [[TMP6]] to <4 x float> | ||
; CHECK-NEXT: [[TMP8:%.*]] = fdiv <4 x float> [[TMP7]], poison | ||
; CHECK-NEXT: [[ADD_PTR53:%.*]] = getelementptr inbounds float, float* [[D]], i64 -4 | ||
; CHECK-NEXT: [[TMP9:%.*]] = bitcast float* [[ADD_PTR53]] to <4 x float>* | ||
; CHECK-NEXT: store <4 x float> [[TMP8]], <4 x float>* [[TMP9]], align 4 | ||
; CHECK-NEXT: ret void | ||
; | ||
entry: | ||
%arrayidx1 = getelementptr inbounds i8, i8* %c, i64 4 | ||
%0 = load i8, i8* %arrayidx1, align 1 | ||
%conv2 = zext i8 %0 to i32 | ||
%and = and i32 %conv2, 3 | ||
%arrayidx4 = getelementptr inbounds i8, i8* %c, i64 1 | ||
%1 = load i8, i8* %arrayidx4, align 1 | ||
%conv5 = zext i8 %1 to i32 | ||
%shl6 = shl nuw nsw i32 %conv5, 2 | ||
%arrayidx12 = getelementptr inbounds i8, i8* %c, i64 2 | ||
%2 = load i8, i8* %arrayidx12, align 1 | ||
%conv13 = zext i8 %2 to i32 | ||
%shl14 = shl nuw nsw i32 %conv13, 2 | ||
%arrayidx17 = getelementptr inbounds i8, i8* %c, i64 3 | ||
%3 = load i8, i8* %arrayidx17, align 1 | ||
%conv18 = zext i8 %3 to i32 | ||
%shl19 = shl nuw nsw i32 %conv18, 2 | ||
%sub = add nsw i32 undef, %shl6 | ||
%conv27 = sitofp i32 %sub to float | ||
%div = fdiv float %conv27, undef | ||
%add.ptr = getelementptr inbounds float, float* %d, i64 -1 | ||
store float %div, float* %add.ptr, align 4 | ||
%sub32 = add nsw i32 undef, %and | ||
%conv33 = sitofp i32 %sub32 to float | ||
%div36 = fdiv float %conv33, undef | ||
%add.ptr37 = getelementptr inbounds float, float* %d, i64 -2 | ||
store float %div36, float* %add.ptr37, align 4 | ||
%sub40 = add nsw i32 undef, %shl19 | ||
%conv41 = sitofp i32 %sub40 to float | ||
%div44 = fdiv float %conv41, undef | ||
%add.ptr45 = getelementptr inbounds float, float* %d, i64 -3 | ||
store float %div44, float* %add.ptr45, align 4 | ||
%sub48 = add nsw i32 undef, %shl14 | ||
%conv49 = sitofp i32 %sub48 to float | ||
%div52 = fdiv float %conv49, undef | ||
%add.ptr53 = getelementptr inbounds float, float* %d, i64 -4 | ||
store float %div52, float* %add.ptr53, align 4 | ||
ret void | ||
} |