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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-31 17:55:25 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-31 17:55:25 +0000 |
| commit | e6e6750670418c50b331f11240da006b1b11b615 (patch) | |
| tree | b4ff6988644451661922d0b1b6b801097023a25c /llvm/test | |
| parent | 13baa0e65029c72569c6e1807a18f87c00b3e771 (diff) | |
| download | bcm5719-llvm-e6e6750670418c50b331f11240da006b1b11b615.tar.gz bcm5719-llvm-e6e6750670418c50b331f11240da006b1b11b615.zip | |
Don't completely eliminate identity copies that also modify super register liveness.
Turn them into noop KILL instructions instead. This lets the scavenger know when
super-registers are killed and defined.
llvm-svn: 128645
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/Blackfin/2009-08-04-LowerExtract-Live.ll | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Blackfin/2009-08-04-LowerExtract-Live.ll b/llvm/test/CodeGen/Blackfin/2009-08-04-LowerExtract-Live.ll index 3ee5e8df997..50fccb44099 100644 --- a/llvm/test/CodeGen/Blackfin/2009-08-04-LowerExtract-Live.ll +++ b/llvm/test/CodeGen/Blackfin/2009-08-04-LowerExtract-Live.ll @@ -1,4 +1,5 @@ ; RUN: llc < %s -march=bfin -join-liveintervals=0 -verify-machineinstrs +; RUN: llc < %s -march=bfin -join-liveintervals=0 -verify-machineinstrs -regalloc=greedy ; Provoke an error in LowerSubregsPass::LowerExtract where the live range of a ; super-register is illegally extended. |
