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| author | Chris Lattner <sabre@nondot.org> | 2004-05-10 05:12:43 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-05-10 05:12:43 +0000 |
| commit | 6d3848df7e1f2d773ed7ae1a225944810d8510ad (patch) | |
| tree | c9dd629bf51651331abe72bd71a544504ce16639 /lib/CodeGen/PHIElimination.cpp | |
| parent | 02eac3935949b572439c799a5a8ac334d581b42c (diff) | |
Patch to fix PR337. Make sure to mark all aliased physical registers as used
when we see a read of a register. This is important in cases like:
AL = ...
AH = ...
= AX
The read of AX must make both the AL and AH defs live until the use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13444 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/PHIElimination.cpp')
0 files changed, 0 insertions, 0 deletions