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authorMatthias Braun <matze@braunis.de>2017-03-21 21:58:08 +0000
committerMatthias Braun <matze@braunis.de>2017-03-21 21:58:08 +0000
commit8445cbd1ca964ff490268e0854ecafaf97718639 (patch)
tree0a2f4ecd4bab006b0dda7f1c69a9f2c0bd0f14de /clang/lib/Frontend/CompilerInvocation.cpp
parentfc16173cebfb61c13319d6ebada3bb2c4fad14e7 (diff)
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SplitKit: Fix subreg copy related problems
Fix two problems related to r298025: - SplitKit would create duplicate VNIs in some cases leading to crashs when hoisting copies. - VirtRegMap could fail expanding copies at the beginning of a basic block. This fixes http://llvm.org/PR32353 llvm-svn: 298448
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