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| author | Duncan Sands <baldrick@free.fr> | 2011-07-01 12:01:00 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2011-07-01 12:01:00 +0000 |
| commit | ed5bc470aab7097c30e5f881158112f7830472f3 (patch) | |
| tree | cd851fd516f27c7fe92337d27a5460eeb142ded6 | |
| parent | 24e11afad266498ca447649b8522e01ac2073798 (diff) | |
| download | external_llvm-ed5bc470aab7097c30e5f881158112f7830472f3.tar.gz external_llvm-ed5bc470aab7097c30e5f881158112f7830472f3.tar.bz2 external_llvm-ed5bc470aab7097c30e5f881158112f7830472f3.zip | |
Disable commit 134216 ("Add 134199 back, but disable the optimization when the second
copy is a kill") to see if it fixes the i386 dragonegg buildbot, which is timing out
because gcc built with dragonegg is going into an infinite loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134237 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/RegisterCoalescer.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp index 3b982d67e7..d5025b9e63 100644 --- a/lib/CodeGen/RegisterCoalescer.cpp +++ b/lib/CodeGen/RegisterCoalescer.cpp @@ -1203,6 +1203,7 @@ static bool RegistersDefinedFromSameValue(LiveIntervals &li, VNInfo *VNI, LiveRange *LR, SmallVector<MachineInstr*, 8> &DupCopies) { + return false; // To see if this fixes the i386 dragonegg buildbot miscompile. // FIXME: This is very conservative. For example, we don't handle // physical registers. |