4b3a878e8a
The patch sets the vectorization metadata to false for Polly's fallback loops. These are the loops executed when RTCs fail. This minimizes the multiple loop versioning carried out by Polly and subsequently by the Loop Vectorizer. --------- Co-authored-by: Michael Kruse <github@meinersbur.de>
45 lines
1.2 KiB
LLVM
45 lines
1.2 KiB
LLVM
; RUN: opt %loadNPMPolly -passes=polly-codegen -S < %s | FileCheck %s
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;
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; CHECK: store i32 %9, ptr %scevgep, align 4, !alias.scope !3, !noalias !6
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; CHECK: store i32 %11, ptr %scevgep4, align 4, !alias.scope !6, !noalias !3
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;
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; void func(int *A, int *B){
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; for (int i = 0; i < 1024; i+=1) {
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; Stmt:
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; A[i] = i;
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; B[i] = i;
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; }
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; }
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;
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; Function Attrs: noinline nounwind uwtable
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define void @func(ptr %A, ptr %B) #0 {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %add, %for.inc ]
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%cmp = icmp slt i32 %i.0, 1024
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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br label %Stmt
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Stmt: ; preds = %for.body
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%idxprom = sext i32 %i.0 to i64
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%arrayidx = getelementptr inbounds i32, ptr %A, i64 %idxprom
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store i32 %i.0, ptr %arrayidx, align 4, !polly_split_after !0
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%idxprom1 = sext i32 %i.0 to i64
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%arrayidx2 = getelementptr inbounds i32, ptr %B, i64 %idxprom1
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store i32 %i.0, ptr %arrayidx2, align 4
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br label %for.inc
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for.inc: ; preds = %Stmt
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%add = add nsw i32 %i.0, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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!0 = !{!"polly_split_after"}
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