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| author | Renato Golin <renato.golin@linaro.org> | 2015-11-10 18:01:16 +0000 |
|---|---|---|
| committer | Renato Golin <renato.golin@linaro.org> | 2015-11-10 18:01:16 +0000 |
| commit | 0e77d72b0ad39fb31d4a435497bd4610e61c586f (patch) | |
| tree | 2574e11db523ab14deade6458b69a556ddf6f18f /llvm/lib/Transforms/Utils/SimplifyCFG.cpp | |
| parent | fe68904fa6001b29930391722ba1d4401906cb99 (diff) | |
| download | llvm-0e77d72b0ad39fb31d4a435497bd4610e61c586f.zip llvm-0e77d72b0ad39fb31d4a435497bd4610e61c586f.tar.gz llvm-0e77d72b0ad39fb31d4a435497bd4610e61c586f.tar.bz2 | |
Revert "Strip metadata when speculatively hoisting instructions"
This reverts commit r252604, as it broke all ARM and AArch64 buildbots, as
well as some x86, et al.
llvm-svn: 252623
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index ff81e7d..e0c598f 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -1618,11 +1618,6 @@ static bool SpeculativelyExecuteBB(BranchInst *BI, BasicBlock *ThenBB, SpeculatedStore->setOperand(0, S); } - // Metadata can be dependent on the condition we are hoisting above. - // Conservatively strip all metadata on the instruction. - for (auto &I: *ThenBB) - I.dropUnknownNonDebugMetadata(); - // Hoist the instructions. BB->getInstList().splice(BI->getIterator(), ThenBB->getInstList(), ThenBB->begin(), std::prev(ThenBB->end())); |