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| author |   patrick <patrick@openbsd.org> | 2017-03-14 08:07:52 +0000 |
|---|---|---|
| committer | patrick <patrick@openbsd.org> | 2017-03-14 08:07:52 +0000 |
| commit | 1cb66ada17adf0954eaadba4d02ec2470365a3ac (patch) | |
| tree | 521159d8f39562a43fffd680147eb5a71709b9b1 /gnu/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp | |
| parent | Mark the sshd_config UsePrivilegeSeparation option as deprecated, (diff) | |
| download | wireguard-openbsd-1cb66ada17adf0954eaadba4d02ec2470365a3ac.tar.xz wireguard-openbsd-1cb66ada17adf0954eaadba4d02ec2470365a3ac.zip | |
Import LLVM 4.0.0 release including clang and lld.
Diffstat (limited to 'gnu/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp')
| -rw-r--r-- | gnu/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gnu/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp b/gnu/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp index 141e99b92cd..84f9373ae91 100644 --- a/gnu/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp +++ b/gnu/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp @@ -41,6 +41,8 @@ STATISTIC(NumSDivs, "Number of sdiv converted to udiv"); STATISTIC(NumAShrs, "Number of ashr converted to lshr"); STATISTIC(NumSRems, "Number of srem converted to urem"); +static cl::opt<bool> DontProcessAdds("cvp-dont-process-adds", cl::init(true)); + namespace { class CorrelatedValuePropagation : public FunctionPass { public: @@ -405,6 +407,9 @@ static bool processAShr(BinaryOperator *SDI, LazyValueInfo *LVI) { static bool processAdd(BinaryOperator *AddOp, LazyValueInfo *LVI) { typedef OverflowingBinaryOperator OBO; + if (DontProcessAdds) + return false; + if (AddOp->getType()->isVectorTy() || hasLocalDefs(AddOp)) return false; |