diff options
Diffstat (limited to 'llvm/lib/Analysis/InlineCost.cpp')
-rw-r--r-- | llvm/lib/Analysis/InlineCost.cpp | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/llvm/lib/Analysis/InlineCost.cpp b/llvm/lib/Analysis/InlineCost.cpp index b6c3997dae3..4109049ecab 100644 --- a/llvm/lib/Analysis/InlineCost.cpp +++ b/llvm/lib/Analysis/InlineCost.cpp @@ -134,7 +134,6 @@ class CallAnalyzer : public InstVisitor<CallAnalyzer, bool> { void accumulateSROACost(DenseMap<Value *, int>::iterator CostIt, int InstructionCost); bool isGEPOffsetConstant(GetElementPtrInst &GEP); - bool isGEPFree(GetElementPtrInst &GEP); bool accumulateGEPOffset(GEPOperator &GEP, APInt &Offset); bool simplifyCallSite(Function *F, CallSite CS); ConstantInt *stripAndComputeInBoundsConstantOffsets(Value *&V); @@ -332,21 +331,6 @@ bool CallAnalyzer::accumulateGEPOffset(GEPOperator &GEP, APInt &Offset) { return true; } -/// \brief Use TTI to check whether a GEP is free. -/// -/// Respects any simplified values known during the analysis of this callsite. -bool CallAnalyzer::isGEPFree(GetElementPtrInst &GEP) { - SmallVector<Value *, 4> Indices; - for (User::op_iterator I = GEP.idx_begin(), E = GEP.idx_end(); I != E; ++I) - if (Constant *SimpleOp = SimplifiedValues.lookup(*I)) - Indices.push_back(SimpleOp); - else - Indices.push_back(*I); - return TargetTransformInfo::TCC_Free == - TTI.getGEPCost(GEP.getSourceElementType(), GEP.getPointerOperand(), - Indices); -} - bool CallAnalyzer::visitAlloca(AllocaInst &I) { // Check whether inlining will turn a dynamic alloca into a static // alloca and handle that case. @@ -412,7 +396,7 @@ bool CallAnalyzer::visitGetElementPtr(GetElementPtrInst &I) { // Non-constant GEPs aren't folded, and disable SROA. if (SROACandidate) disableSROA(CostIt); - return isGEPFree(I); + return false; } // Add the result as a new mapping to Base + Offset. @@ -438,7 +422,7 @@ bool CallAnalyzer::visitGetElementPtr(GetElementPtrInst &I) { // Variable GEPs will require math and will disable SROA. if (SROACandidate) disableSROA(CostIt); - return isGEPFree(I); + return false; } bool CallAnalyzer::visitBitCast(BitCastInst &I) { |