7d6e8f2a96
If we vectorize a e.g. store, we leave around a bunch of getelementptrs for the individual scalar stores which we removed. We can go ahead and delete them as well. This is purely for test output quality and readability. It should have no effect in any sane pipeline. Differential Revision: https://reviews.llvm.org/D122493
82 lines
3.5 KiB
LLVM
82 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -slp-vectorizer -slp-vectorize-hor -slp-vectorize-hor-store -S < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver2 | FileCheck %s
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define void @i64_simplified(i64* noalias %st, i64* noalias %ld) {
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; CHECK-LABEL: @i64_simplified(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[LD:%.*]] to <2 x i64>*
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; CHECK-NEXT: [[TMP2:%.*]] = load <2 x i64>, <2 x i64>* [[TMP1]], align 8
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; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <2 x i64> [[TMP2]], <2 x i64> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i64* [[ST:%.*]] to <4 x i64>*
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; CHECK-NEXT: store <4 x i64> [[SHUFFLE]], <4 x i64>* [[TMP3]], align 8
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; CHECK-NEXT: ret void
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;
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%arrayidx1 = getelementptr inbounds i64, i64* %ld, i64 1
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%t0 = load i64, i64* %ld, align 8
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%t1 = load i64, i64* %arrayidx1, align 8
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%arrayidx3 = getelementptr inbounds i64, i64* %st, i64 1
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%arrayidx4 = getelementptr inbounds i64, i64* %st, i64 2
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%arrayidx5 = getelementptr inbounds i64, i64* %st, i64 3
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store i64 %t0, i64* %st, align 8
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store i64 %t1, i64* %arrayidx3, align 8
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store i64 %t0, i64* %arrayidx4, align 8
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store i64 %t1, i64* %arrayidx5, align 8
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ret void
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}
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define void @i64_simplifiedi_reversed(i64* noalias %st, i64* noalias %ld) {
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; CHECK-LABEL: @i64_simplifiedi_reversed(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[LD:%.*]] to <2 x i64>*
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; CHECK-NEXT: [[TMP2:%.*]] = load <2 x i64>, <2 x i64>* [[TMP1]], align 8
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; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <2 x i64> [[TMP2]], <2 x i64> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i64* [[ST:%.*]] to <4 x i64>*
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; CHECK-NEXT: store <4 x i64> [[SHUFFLE]], <4 x i64>* [[TMP3]], align 8
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; CHECK-NEXT: ret void
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;
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%arrayidx1 = getelementptr inbounds i64, i64* %ld, i64 1
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%t0 = load i64, i64* %ld, align 8
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%t1 = load i64, i64* %arrayidx1, align 8
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%arrayidx3 = getelementptr inbounds i64, i64* %st, i64 1
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%arrayidx4 = getelementptr inbounds i64, i64* %st, i64 2
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%arrayidx5 = getelementptr inbounds i64, i64* %st, i64 3
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store i64 %t1, i64* %st, align 8
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store i64 %t0, i64* %arrayidx3, align 8
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store i64 %t1, i64* %arrayidx4, align 8
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store i64 %t0, i64* %arrayidx5, align 8
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ret void
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}
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define void @i64_simplifiedi_extract(i64* noalias %st, i64* noalias %ld) {
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; CHECK-LABEL: @i64_simplifiedi_extract(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[LD:%.*]] to <2 x i64>*
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; CHECK-NEXT: [[TMP2:%.*]] = load <2 x i64>, <2 x i64>* [[TMP1]], align 8
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; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <2 x i64> [[TMP2]], <2 x i64> poison, <4 x i32> <i32 0, i32 0, i32 0, i32 1>
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i64* [[ST:%.*]] to <4 x i64>*
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; CHECK-NEXT: store <4 x i64> [[SHUFFLE]], <4 x i64>* [[TMP3]], align 8
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; CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x i64> [[SHUFFLE]], i32 3
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; CHECK-NEXT: store i64 [[TMP4]], i64* [[LD]], align 8
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; CHECK-NEXT: ret void
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;
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%arrayidx1 = getelementptr inbounds i64, i64* %ld, i64 1
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%t0 = load i64, i64* %ld, align 8
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%t1 = load i64, i64* %arrayidx1, align 8
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%arrayidx3 = getelementptr inbounds i64, i64* %st, i64 1
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%arrayidx4 = getelementptr inbounds i64, i64* %st, i64 2
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%arrayidx5 = getelementptr inbounds i64, i64* %st, i64 3
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store i64 %t0, i64* %st, align 8
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store i64 %t0, i64* %arrayidx3, align 8
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store i64 %t0, i64* %arrayidx4, align 8
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store i64 %t1, i64* %arrayidx5, align 8
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store i64 %t1, i64* %ld, align 8
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ret void
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}
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