diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2009-03-23 07:19:58 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-03-23 07:19:58 +0000 |
| commit | 47c9750f04d81bd94bad224899b009764d308f61 (patch) | |
| tree | 4f13d5c5429cff4b759d78da0493cd8fea595a79 /llvm/lib/Support/PrettyStackTrace.cpp | |
| parent | f2b60658ef6b8bb7cb9caa0dbee3a3b1452050b5 (diff) | |
| download | llvm-47c9750f04d81bd94bad224899b009764d308f61.zip llvm-47c9750f04d81bd94bad224899b009764d308f61.tar.gz llvm-47c9750f04d81bd94bad224899b009764d308f61.tar.bz2 | |
Do not fold away subreg_to_reg if the source register has a sub-register index. That means the source register is taking a sub-register of a larger register. e.g. On x86
%RAX<def> = ...
%RAX<def> = SUBREG_TO_REG 0, %EAX:3<kill>, 3
The first def is defining RAX, not EAX so the top bits were not zero-extended.
llvm-svn: 67511
Diffstat (limited to 'llvm/lib/Support/PrettyStackTrace.cpp')
0 files changed, 0 insertions, 0 deletions