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authorDevang Patel <dpatel@apple.com>2010-03-16 21:02:07 +0000
committerDevang Patel <dpatel@apple.com>2010-03-16 21:02:07 +0000
commitcbe1e31732c5d4fb1277195e76b9b42c115396aa (patch)
tree7d7a0cd8a8777298cab4e848c5a572a973e91fe9 /lib/CodeGen/TailDuplication.cpp
parentab7f10705a98d8fd4f8f386643ab1ba6b9ed3759 (diff)
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Ignore debug value instructions while analyzing BB for tail duplication.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98675 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TailDuplication.cpp')
-rw-r--r--lib/CodeGen/TailDuplication.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp
index fa3785dc07..aa6e2b4e87 100644
--- a/lib/CodeGen/TailDuplication.cpp
+++ b/lib/CodeGen/TailDuplication.cpp
@@ -495,7 +495,7 @@ TailDuplicatePass::TailDuplicate(MachineBasicBlock *TailBB, MachineFunction &MF,
if (InstrCount == MaxDuplicateCount) return false;
// Remember if we saw a call.
if (I->getDesc().isCall()) HasCall = true;
- if (!I->isPHI())
+ if (!I->isPHI() && !I->isDebugValue())
InstrCount += 1;
}
// Heuristically, don't tail-duplicate calls if it would expand code size,