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| author | Owen Anderson <resistor@mac.com> | 2012-08-30 23:35:16 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2012-08-30 23:35:16 +0000 |
| commit | cc61f87cf730fec6785dc492fb6c71bc17c8f56b (patch) | |
| tree | 475feff20a5fa300a477731ab4b974fbf54760c0 /clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp | |
| parent | db482ef7a7b6851ddafd6dbd7ee11a509adc9e6e (diff) | |
| download | llvm-cc61f87cf730fec6785dc492fb6c71bc17c8f56b.zip llvm-cc61f87cf730fec6785dc492fb6c71bc17c8f56b.tar.gz llvm-cc61f87cf730fec6785dc492fb6c71bc17c8f56b.tar.bz2 | |
Teach the DAG combiner to turn chains of FADDs (x+x+x+x+...) into FMULs by constants. This is only enabled in unsafe FP math mode, since it does not preserve rounding effects for all such constants.
llvm-svn: 162956
Diffstat (limited to 'clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp')
0 files changed, 0 insertions, 0 deletions