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| author | Manman Ren <mren@apple.com> | 2012-07-31 01:11:07 +0000 |
|---|---|---|
| committer | Manman Ren <mren@apple.com> | 2012-07-31 01:11:07 +0000 |
| commit | 2b6a0dfd4ce1f8cf6b1f4a1bcb8fb13c39efb347 (patch) | |
| tree | b43135e83954facb956ddf0386cfc80a4902a273 /clang/lib/Driver/Tools.cpp | |
| parent | 42e8d6497d754b46088a9f0b20e2cb02e7cd2a5f (diff) | |
| download | bcm5719-llvm-2b6a0dfd4ce1f8cf6b1f4a1bcb8fb13c39efb347.tar.gz bcm5719-llvm-2b6a0dfd4ce1f8cf6b1f4a1bcb8fb13c39efb347.zip | |
Reverse order of the two branches at end of a basic block if it is profitable.
We branch to the successor with higher edge weight first.
Convert from
je LBB4_8 --> to outer loop
jmp LBB4_14 --> to inner loop
to
jne LBB4_14
jmp LBB4_8
PR12750
rdar: 11393714
llvm-svn: 161018
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
0 files changed, 0 insertions, 0 deletions
