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-rw-r--r--llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp15
1 files changed, 0 insertions, 15 deletions
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
index fe1e978a20d..3b3e055f01c 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
@@ -969,21 +969,6 @@ static bool isDereferenceableAndAlignedInLoop(LoadInst *LI, Loop *L,
DL, HeaderFirstNonPHI, &DT);
}
-/// Return true if speculation of the given load must be suppressed for
-/// correctness reasons. If not suppressed, dereferenceability and alignment
-/// must be proven.
-/// TODO: Move to ValueTracking.h/cpp in a separate change
-static bool mustSuppressSpeculation(const LoadInst &LI) {
- if (!LI.isUnordered())
- return true;
- const Function &F = *LI.getFunction();
- // Speculative load may create a race that did not exist in the source.
- return F.hasFnAttribute(Attribute::SanitizeThread) ||
- // Speculative load may load data from dirty regions.
- F.hasFnAttribute(Attribute::SanitizeAddress) ||
- F.hasFnAttribute(Attribute::SanitizeHWAddress);
-}
-
bool LoopVectorizationLegality::canVectorizeWithIfConvert() {
if (!EnableIfConversion) {
reportVectorizationFailure("If-conversion is disabled",
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