diff options
Diffstat (limited to 'lib/Transforms/IPO/MergeFunctions.cpp')
-rw-r--r-- | lib/Transforms/IPO/MergeFunctions.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/Transforms/IPO/MergeFunctions.cpp b/lib/Transforms/IPO/MergeFunctions.cpp index 1dd3279b9e..5693cc0fc3 100644 --- a/lib/Transforms/IPO/MergeFunctions.cpp +++ b/lib/Transforms/IPO/MergeFunctions.cpp @@ -284,6 +284,20 @@ static bool equals(const BasicBlock *BB1, const BasicBlock *BB2, if (!isEquivalentOperation(FI, GI)) return false; + if (isa<GetElementPtrInst>(FI)) { + const GetElementPtrInst *GEPF = cast<GetElementPtrInst>(FI); + const GetElementPtrInst *GEPG = cast<GetElementPtrInst>(GI); + if (GEPF->hasAllZeroIndices() && GEPG->hasAllZeroIndices()) { + // It's effectively a bitcast. + ++FI, ++GI; + continue; + } + + // TODO: we only really care about the elements before the index + if (FI->getOperand(0)->getType() != GI->getOperand(0)->getType()) + return false; + } + if (ValueMap[FI] == GI) { ++FI, ++GI; continue; |