summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Transforms/Vectorize
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Transforms/Vectorize')
-rw-r--r--llvm/lib/Transforms/Vectorize/LoopVectorize.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 21588568ede..8986932309a 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -4009,6 +4009,14 @@ bool LoopVectorizationLegality::canVectorizeMemory() {
if (!LAI->canVectorizeMemory())
return false;
+ if (LAI->hasStoreToLoopInvariantAddress()) {
+ emitAnalysis(
+ VectorizationReport()
+ << "write to a loop invariant address could not be vectorized");
+ DEBUG(dbgs() << "LV: We don't allow storing to uniform addresses\n");
+ return false;
+ }
+
if (LAI->getNumRuntimePointerChecks() >
VectorizerParams::RuntimeMemoryCheckThreshold) {
emitAnalysis(VectorizationReport()
OpenPOWER on IntegriCloud