| commit | 4007529d4b014f43a1c7089f9b285a67c1c9b853 | [log] [tgz] |
|---|---|---|
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | Mon Oct 17 17:33:39 2011 +0000 |
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | Mon Oct 17 17:33:39 2011 +0000 |
| tree | dd904079cb08573e3b3e184889864280a3a2c9f4 | |
| parent | 827454e6e28cfed93db990b03b720ef7c23e6917 [diff] |
Admonish that MI is not IR and virtual registers have constraints. In machine code, you can't just replaceRegWith() the same way you can replaceAllUsesWith() in IR. Virtual registers may have different register classes that need to be merged first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142201 91177308-0d34-0410-b5e6-96231b3b80d8