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| author | Ekaterina Romanova <katya_romanova@playstation.sony.com> | 2014-03-13 18:47:12 +0000 |
|---|---|---|
| committer | Ekaterina Romanova <katya_romanova@playstation.sony.com> | 2014-03-13 18:47:12 +0000 |
| commit | 8d62008ecb3edd841341789112a0fcab587beff5 (patch) | |
| tree | 2d4176db3955c65cf9283bbbec535bffea398b39 /clang/lib/StaticAnalyzer/Checkers/SimpleStreamChecker.cpp | |
| parent | c3ec337e4db6ee91db5471cb9e4e479d2f6c1d99 (diff) | |
| download | bcm5719-llvm-8d62008ecb3edd841341789112a0fcab587beff5.tar.gz bcm5719-llvm-8d62008ecb3edd841341789112a0fcab587beff5.zip | |
Fix for http://llvm.org/bugs/show_bug.cgi?id=18590
This patch fixes the bug in peephole optimization that folds a load which defines one vreg into the one and only use of that vreg. With debug info, a DBG_VALUE that referenced the vreg considered to be a use, preventing the optimization. The fix is to ignore DBG_VALUE's during the optimization, and undef a DBG_VALUE that references a vreg that gets removed.
Patch by Trevor Smigiel!
llvm-svn: 203829
Diffstat (limited to 'clang/lib/StaticAnalyzer/Checkers/SimpleStreamChecker.cpp')
0 files changed, 0 insertions, 0 deletions
