derek.holloway
7502bf64a4
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58 lines
2.0 KiB
LLVM
58 lines
2.0 KiB
LLVM
; RUN: opt %loadNPMPolly '-passes=polly-custom<scops>' -polly-print-scops -disable-output -polly-allow-nonaffine < %s | FileCheck %s
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;
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; Verify if two independent reductions in same loop is detected
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;
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; CHECK: Stmt_for_body
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; CHECK: Reduction Type: +
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; CHECK-NEXT: MemRef_sum1[0]
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; CHECK-NEXT: Reduction Type: +
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; CHECK-NEXT: MemRef_sum1[0]
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;
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; CHECK: Stmt_for_body_b
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; CHECK: Reduction Type: +
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; CHECK-NEXT: MemRef_sum2[0]
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; CHECK-NEXT: Reduction Type: +
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; CHECK-NEXT: MemRef_sum2[0]
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;
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; int red(int *A, int *B, int *sum, int * prod, int n) {
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; for (int i = 0; i < n; ++i) {
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; *sum += A[i];
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; *prod += B[i];
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; }
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; }
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-unknown-linux-gnu"
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; Function Attrs: nofree norecurse nosync nounwind memory(argmem: readwrite) uwtable
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define dso_local i32 @red(ptr nocapture noundef readonly %A, ptr nocapture noundef readonly %B, ptr nocapture noundef %sum1, ptr nocapture noundef %sum2, i32 noundef %n) local_unnamed_addr #0 {
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entry:
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%cmp7 = icmp sgt i32 %n, 0
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br i1 %cmp7, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader: ; preds = %entry
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%wide.trip.count = zext nneg i32 %n to i64
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br label %for.body
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for.cond.cleanup: ; preds = %for.body, %entry
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ret i32 undef
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for.body: ; preds = %for.body.preheader, %for.body
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%indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
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%0 = load i32, ptr %arrayidx
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%1 = load i32, ptr %sum1
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%add = add nsw i32 %1, %0
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store i32 %add, ptr %sum1
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%arrayidx2 = getelementptr inbounds i32, ptr %B, i64 %indvars.iv
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%2 = load i32, ptr %arrayidx2
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%3 = load i32, ptr %sum2
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%add3 = add nsw i32 %3, %2
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store i32 %add3, ptr %sum2
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
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br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
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}
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