forked from OSchip/llvm-project
41 lines
881 B
LLVM
41 lines
881 B
LLVM
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; RUN: opt %loadPolly -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-simplify -analyze < %s | FileCheck %s -match-full-lines
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;
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; Remove a redundant store, if its partial domain is a subset of the
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; read's domain.
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;
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define void @redundant_partialwrite(i32 %n, double* noalias nonnull %A) {
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entry:
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br label %for
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for:
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%j = phi i32 [0, %entry], [%j.inc, %inc]
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%j.cmp = icmp slt i32 %j, %n
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br i1 %j.cmp, label %body, label %exit
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body:
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%val = load double, double* %A
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store double %val, double* %A
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br label %inc
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inc:
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%j.inc = add nuw nsw i32 %j, 1
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br label %for
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exit:
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br label %return
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return:
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ret void
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}
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; Check successful import.
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; CHECK: new: [n] -> { Stmt_body[i0] -> MemRef_A[0] : i0 <= 15 };
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; CHECK: Statistics {
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; CHECK: Redundant writes removed: 1
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; CHECK: }
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; CHECK: After accesses {
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; CHECK-NEXT: }
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