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[LLVM] New NoDivergenceSource function attribute #111832

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Merged
merged 8 commits into from
Oct 12, 2024
+41 −0
Merged

[LLVM] New NoDivergenceSource function attribute #111832

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3bb5772
[LLVM] New NoDivergenceSource function attribute
trenouf Oct 9, 2024
e190567
Use CallBase::hasFnAttr
trenouf Oct 10, 2024
795bbba
Move check to TargetTransformInfo
trenouf Oct 11, 2024
c578054
Remove last para. Un-auto a variable.
trenouf Oct 11, 2024
ffba6fb
Merge main
trenouf Oct 11, 2024
7cd27b8
Reinstate auto but with *, as recommended in review
trenouf Oct 11, 2024
a27951a
const
trenouf Oct 11, 2024
b6576af
Merge main
trenouf Oct 12, 2024
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2 changes: 1 addition & 1 deletion llvm/lib/Analysis/TargetTransformInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -292,7 +292,7 @@ bool TargetTransformInfo::hasBranchDivergence(const Function *F) const {
}

bool TargetTransformInfo::isSourceOfDivergence(const Value *V) const {
if (const CallBase *Call = dyn_cast<CallBase>(V)) {
if (auto *Call = dyn_cast<CallBase>(V)) {
if (Call->hasFnAttr(Attribute::NoDivergenceSource))
return false;
}
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