| commit | f7f012381f5d47bb4f8a5a4663311daee8692cbf | |
| author | Evan Cheng <evan.cheng@apple.com> | |
| Thu, 17 Sep 2009 00:57:15 +0000 (17 00:57 +0000) | ||
| committer | Evan Cheng <evan.cheng@apple.com> | |
| Thu, 17 Sep 2009 00:57:15 +0000 (17 00:57 +0000) | ||
| tree | c99fe1a4c1197122559dc6e950762b25b9f0182b | treesnapshot (tar.gz zip) |
| parent | 119fdf6a2815d88d5fdfc5ada6897c96c9f83a0d | commitdiff |
Fix PR4910: Broken logic in coalescer means when a physical register liveness is being shortened, the sub-registers were not. The symptom is the register allocator could not find a free register for this particular test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82108 91177308-0d34-0410-b5e6-96231b3b80d8
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82108 91177308-0d34-0410-b5e6-96231b3b80d8
| lib/CodeGen/SimpleRegisterCoalescing.cpp | diffblobblamehistory | |
| test/CodeGen/X86/2009-09-16-CoalescerBug.ll | [new file with mode: 0644] | blob |