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authordim <dim@FreeBSD.org>2011-07-17 15:36:56 +0000
committerdim <dim@FreeBSD.org>2011-07-17 15:36:56 +0000
commit1176aa52646fe641a4243a246aa7f960c708a274 (patch)
treec8086addb211fa670a9d2b1038d8c2e453229755 /lib/CodeGen/ScheduleDAGEmit.cpp
parentece02cd5829cea836e9365b0845a8ef042d17b0a (diff)
downloadFreeBSD-src-1176aa52646fe641a4243a246aa7f960c708a274.zip
FreeBSD-src-1176aa52646fe641a4243a246aa7f960c708a274.tar.gz
Vendor import of llvm trunk r135360:
http://llvm.org/svn/llvm-project/llvm/trunk@135360
Diffstat (limited to 'lib/CodeGen/ScheduleDAGEmit.cpp')
-rw-r--r--lib/CodeGen/ScheduleDAGEmit.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/ScheduleDAGEmit.cpp b/lib/CodeGen/ScheduleDAGEmit.cpp
index 6b7a8c64..f8b1bc7 100644
--- a/lib/CodeGen/ScheduleDAGEmit.cpp
+++ b/lib/CodeGen/ScheduleDAGEmit.cpp
@@ -45,6 +45,7 @@ void ScheduleDAG::EmitPhysRegCopy(SUnit *SU,
unsigned Reg = 0;
for (SUnit::const_succ_iterator II = SU->Succs.begin(),
EE = SU->Succs.end(); II != EE; ++II) {
+ if (II->isCtrl()) continue; // ignore chain preds
if (II->getReg()) {
Reg = II->getReg();
break;
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