diff options
| author | Owen Anderson <resistor@mac.com> | 2008-01-09 06:19:05 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2008-01-09 06:19:05 +0000 |
| commit | cb7d949a19f8d00a019796dfc9342fe294df27c0 (patch) | |
| tree | ff573266da1cd1f067a05fb65d7d8db3b562034d /lib/CodeGen/StrongPHIElimination.cpp | |
| parent | 92b7c1d94e56ab5bc22530ea1d5d1cef23f03dcc (diff) | |
Fix some simple bugs. StrongPHIElimination now does not crash on 164.gzip.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45773 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/StrongPHIElimination.cpp')
| -rw-r--r-- | lib/CodeGen/StrongPHIElimination.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/CodeGen/StrongPHIElimination.cpp b/lib/CodeGen/StrongPHIElimination.cpp index 3b201f7b81..eff02f1fbf 100644 --- a/lib/CodeGen/StrongPHIElimination.cpp +++ b/lib/CodeGen/StrongPHIElimination.cpp @@ -178,7 +178,6 @@ public: else if (preorder[ABlock] > preorder[BBlock]) return false; - assert(0 && "Error sorting by dominance!"); return false; } }; @@ -208,8 +207,9 @@ StrongPHIElimination::computeDomForest(std::set<unsigned>& regs) { for (std::vector<unsigned>::iterator I = worklist.begin(), E = worklist.end(); I != E; ++I) { unsigned pre = preorder[LV.getVarInfo(*I).DefInst->getParent()]; - MachineBasicBlock* parentBlock = - LV.getVarInfo(CurrentParent->getReg()).DefInst->getParent(); + MachineBasicBlock* parentBlock = CurrentParent->getReg() ? + LV.getVarInfo(CurrentParent->getReg()).DefInst->getParent() : + 0; while (pre > maxpreorder[parentBlock]) { stack.pop_back(); |