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| author | Evan Cheng <evan.cheng@apple.com> | 2008-06-17 17:59:16 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-06-17 17:59:16 +0000 |
| commit | 95350b9cd2c7ccdc5d1e2118742c1a43012c7a9f (patch) | |
| tree | c74311f6aa2ecabb07ed02de256e7554d5c245d1 /lib/Support/FoldingSet.cpp | |
| parent | 0b725f17e0fade6820813557fe4b6f8208b7510d (diff) | |
It's not safe to remove SUBREG_TO_REG that looks like identity copies, e.g. movl %eax, %eax on x86-64 actually does a zero-extend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52421 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/FoldingSet.cpp')
0 files changed, 0 insertions, 0 deletions