forked from OSchip/llvm-project
49 lines
1.7 KiB
LLVM
49 lines
1.7 KiB
LLVM
; RUN: opt %loadPolly -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-simplify -analyze < %s | FileCheck %s
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;
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; llvm.org/PR33323
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;
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; Do not remove the pair (store double %add119, read %add119) as redundant
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; because the are in the wrong order.
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define fastcc void @pr33323([1000 x double]* nocapture %data, [1000 x double]* nocapture %symmat) {
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entry:
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br label %for.body98
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for.cond87.loopexit:
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ret void
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for.body98:
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%indvars.iv13 = phi i64 [ 1, %entry ], [ %indvars.iv.next14, %for.end122 ]
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br label %for.body105
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for.body105:
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%indvars.iv = phi i64 [ 0, %for.body98 ], [ %indvars.iv.next, %for.body105 ]
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%arrayidx109 = getelementptr inbounds [1000 x double], [1000 x double]* %data, i64 %indvars.iv, i64 0
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%add119 = fadd double undef, undef
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp eq i64 %indvars.iv.next, 1000
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br i1 %exitcond, label %for.end122, label %for.body105
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for.end122:
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%arrayidx130 = getelementptr inbounds [1000 x double], [1000 x double]* %symmat, i64 %indvars.iv13, i64 0
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store double %add119, double* %arrayidx130
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%indvars.iv.next14 = add nuw nsw i64 %indvars.iv13, 1
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%exitcond15 = icmp eq i64 %indvars.iv.next14, 1000
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br i1 %exitcond15, label %for.cond87.loopexit, label %for.body98
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}
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; CHECK: Statistics {
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; CHECK: Redundant writes removed: 1
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; CHECK: Stmts removed: 1
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; CHECK: }
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; CHECK: After accesses {
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; CHECK-NEXT: Stmt_for_body105
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: { Stmt_for_body105[i0, i1] -> MemRef_add119[] };
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; CHECK-NEXT: new: { Stmt_for_body105[i0, i1] -> MemRef_symmat[1 + i0, 0] };
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; CHECK-NEXT: }
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