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Juergen Ributzka e82947539e [Stackmap] Liveness Analysis Pass

This optional register liveness analysis pass can be enabled with either
-enable-stackmap-liveness, -enable-patchpoint-liveness, or both. The pass
traverses each basic block in a machine function. For each basic block the
instructions are processed in reversed order and if a patchpoint or stackmap
instruction is encountered the current live-out register set is encoded as a
register mask and attached to the instruction.

Later on during stackmap generation the live-out register mask is processed and
also emitted as part of the stackmap.

This information is optional and intended for optimization purposes only. This
will enable a client of the stackmap to reason about the registers it can use
and which registers need to be preserved.

Reviewed by Andy

llvm-svn: 197317

2013-12-14 06:53:06 +00:00

clang

CompilationDatabase.cpp:stripPositionalArgs(): Match not "no-integrated-as" but "-no-integrated-as", it really fixes r197229.

2013-12-14 06:03:28 +00:00

clang-tools-extra

Fix the usage of the CommonOptionsParser ctor changed in r197139.

2013-12-12 10:01:39 +00:00

compiler-rt

[msan] Fix strncat interceptor, add missing tests.

2013-12-13 16:31:59 +00:00

debuginfo-tests

don't use CHECK-NEXT because it may be on the same line.