2c12b35c9597cc72aac00facd8a9f14262e26eb4 - platform_external_llvm80

commit	2c12b35c9597cc72aac00facd8a9f14262e26eb4	[log] [tgz]
author	Adrian Prantl <aprantl@apple.com>	Thu Aug 20 18:24:02 2015 +0000
committer	Adrian Prantl <aprantl@apple.com>	Thu Aug 20 18:24:02 2015 +0000
tree	0e12519d59d61f3bb946a2d5d64fcffc0d5ac840
parent	0f8344c168e59002843f4b124f4146f783d31cd7 [diff]

Fix a bug that caused SimplifyCFG to drop DebugLocs.

Instruction::dropUnknownMetadata(KnownSet) is supposed to preserve all
metadata in KnownSet, but the condition for DebugLocs was inverted.

Most users of dropUnknownMetadata() actually worked around this by not
adding LLVMContext::MD_dbg to their list of KnowIDs.
This is now made explicit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245589 91177308-0d34-0410-b5e6-96231b3b80d8

lib/IR/Metadata.cpp[diff]
lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp[diff]
lib/Transforms/Scalar/GVN.cpp[diff]
lib/Transforms/Scalar/MemCpyOptimizer.cpp[diff]
lib/Transforms/Scalar/MergedLoadStoreMotion.cpp[diff]
lib/Transforms/Utils/SimplifyCFG.cpp[diff]
lib/Transforms/Vectorize/BBVectorize.cpp[diff]
test/Transforms/SimplifyCFG/basictest.ll[diff]

8 files changed

tree: 0e12519d59d61f3bb946a2d5d64fcffc0d5ac840