diff options
| author | Devang Patel <dpatel@apple.com> | 2010-03-16 21:02:07 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-03-16 21:02:07 +0000 |
| commit | 2aa0da2d8ec527695e826a57bdda33f1b3ea4756 (patch) | |
| tree | 7d7a0cd8a8777298cab4e848c5a572a973e91fe9 | |
| parent | 32d048219f3bdb6e61c340525b46569d11452be3 (diff) | |
| download | external_llvm-2aa0da2d8ec527695e826a57bdda33f1b3ea4756.zip external_llvm-2aa0da2d8ec527695e826a57bdda33f1b3ea4756.tar.gz external_llvm-2aa0da2d8ec527695e826a57bdda33f1b3ea4756.tar.bz2 | |
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
| -rw-r--r-- | lib/CodeGen/TailDuplication.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp index fa3785d..aa6e2b4 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, |