diff options
| author | Nick Lewycky <nicholas@mxc.ca> | 2008-03-08 07:48:41 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2008-03-08 07:48:41 +0000 |
| commit | 6c36a0f9ee874129dce1a7453d6cb9af4ab5f636 (patch) | |
| tree | 3b945690b90a02f32e8e6d4a3c8bea8140646d2d /lib/Transforms | |
| parent | 6456d8639b6f3ede1bb1a90a5d33fe4e719ad4ac (diff) | |
Not all users of a BB are Instructions any more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48047 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/SCCP.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp index 561cdb1fbb..b1c923c2bd 100644 --- a/lib/Transforms/Scalar/SCCP.cpp +++ b/lib/Transforms/Scalar/SCCP.cpp @@ -45,7 +45,7 @@ using namespace llvm; STATISTIC(NumInstRemoved, "Number of instructions removed"); STATISTIC(NumDeadBlocks , "Number of basic blocks unreachable"); -STATISTIC(IPNumInstRemoved, "Number ofinstructions removed by IPSCCP"); +STATISTIC(IPNumInstRemoved, "Number of instructions removed by IPSCCP"); STATISTIC(IPNumDeadBlocks , "Number of basic blocks unreachable by IPSCCP"); STATISTIC(IPNumArgsElimed ,"Number of arguments constant propagated by IPSCCP"); STATISTIC(IPNumGlobalConst, "Number of globals found to be constant by IPSCCP"); @@ -1637,6 +1637,11 @@ bool IPSCCP::runOnModule(Module &M) { // If there are any PHI nodes in this successor, drop entries for BB now. BasicBlock *DeadBB = BlocksToErase[i]; while (!DeadBB->use_empty()) { + if (BasicBlock *PredBB = dyn_cast<BasicBlock>(DeadBB->use_back())) { + PredBB->setUnwindDest(NULL); + continue; + } + Instruction *I = cast<Instruction>(DeadBB->use_back()); bool Folded = ConstantFoldTerminator(I->getParent()); if (!Folded) { |