forked from OSchip/llvm-project
46 lines
982 B
LLVM
46 lines
982 B
LLVM
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; RUN: opt %loadPolly -polly-delicm -analyze -pass-remarks-missed=polly-delicm < %s 2>&1 | FileCheck %s
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;
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; void func(double *A) {
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; double phi = 0.0;
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; for (int i = 0; i < 4; i += 1) /* reduction */
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; phi += 4.2;
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; A[0] = phi;
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; }
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;
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define void @func(double* noalias nonnull %A) {
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entry:
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br label %reduction.preheader
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reduction.preheader:
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br label %reduction.for
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reduction.for:
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%i = phi i32 [0, %reduction.preheader], [%i.inc, %reduction.inc]
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%phi = phi double [0.0, %reduction.preheader], [%add, %reduction.inc]
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%i.cmp = icmp slt i32 %i, 4
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br i1 %i.cmp, label %body, label %reduction.exit
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body:
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%add = fadd double %phi, 4.2
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br label %reduction.inc
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reduction.inc:
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%i.inc = add nuw nsw i32 %i, 1
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br label %reduction.for
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reduction.exit:
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store double %phi, double* %A
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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: skipped possible mapping target because it is not in a loop
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