66 lines
3.6 KiB
LLVM
66 lines
3.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -basic-aa -slp-vectorizer -S |FileCheck %s
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; RUN: opt < %s -aa-pipeline=basic-aa -passes=slp-vectorizer -S |FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-unknown"
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; Test if SLP can handle GEP expressions.
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; The test perform the following action:
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; x->first = y->first + 16
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; x->second = y->second + 16
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define void @foo1 ({ i32*, i32* }* noalias %x, { i32*, i32* }* noalias %y) {
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; CHECK-LABEL: @foo1(
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* [[Y:%.*]], i64 0, i32 0
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* [[X:%.*]], i64 0, i32 0
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* [[Y]], i64 0, i32 1
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; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32** [[TMP1]] to <2 x i32*>*
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; CHECK-NEXT: [[TMP5:%.*]] = load <2 x i32*>, <2 x i32*>* [[TMP4]], align 8
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; CHECK-NEXT: [[TMP6:%.*]] = getelementptr i32, <2 x i32*> [[TMP5]], <2 x i64> <i64 16, i64 16>
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; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* [[X]], i64 0, i32 1
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; CHECK-NEXT: [[TMP8:%.*]] = bitcast i32** [[TMP2]] to <2 x i32*>*
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; CHECK-NEXT: store <2 x i32*> [[TMP6]], <2 x i32*>* [[TMP8]], align 8
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; CHECK-NEXT: ret void
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;
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%1 = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* %y, i64 0, i32 0
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%2 = load i32*, i32** %1, align 8
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%3 = getelementptr inbounds i32, i32* %2, i64 16
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%4 = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* %x, i64 0, i32 0
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store i32* %3, i32** %4, align 8
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%5 = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* %y, i64 0, i32 1
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%6 = load i32*, i32** %5, align 8
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%7 = getelementptr inbounds i32, i32* %6, i64 16
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%8 = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* %x, i64 0, i32 1
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store i32* %7, i32** %8, align 8
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ret void
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}
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; Test that we don't vectorize GEP expressions if indexes are not constants.
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; We can't produce an efficient code in that case.
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define void @foo2 ({ i32*, i32* }* noalias %x, { i32*, i32* }* noalias %y, i32 %i) {
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; CHECK-LABEL: @foo2(
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* [[Y:%.*]], i64 0, i32 0
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; CHECK-NEXT: [[TMP2:%.*]] = load i32*, i32** [[TMP1]], align 8
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i32 [[I:%.*]]
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* [[X:%.*]], i64 0, i32 0
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; CHECK-NEXT: store i32* [[TMP3]], i32** [[TMP4]], align 8
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; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* [[Y]], i64 0, i32 1
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; CHECK-NEXT: [[TMP6:%.*]] = load i32*, i32** [[TMP5]], align 8
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; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[TMP6]], i32 [[I]]
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; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* [[X]], i64 0, i32 1
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; CHECK-NEXT: store i32* [[TMP7]], i32** [[TMP8]], align 8
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; CHECK-NEXT: ret void
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;
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%1 = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* %y, i64 0, i32 0
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%2 = load i32*, i32** %1, align 8
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%3 = getelementptr inbounds i32, i32* %2, i32 %i
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%4 = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* %x, i64 0, i32 0
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store i32* %3, i32** %4, align 8
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%5 = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* %y, i64 0, i32 1
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%6 = load i32*, i32** %5, align 8
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%7 = getelementptr inbounds i32, i32* %6, i32 %i
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%8 = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* %x, i64 0, i32 1
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store i32* %7, i32** %8, align 8
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ret void
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}
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