diff options
Diffstat (limited to 'lib/Transforms/Scalar/SpeculativeExecution.cpp')
-rw-r--r-- | lib/Transforms/Scalar/SpeculativeExecution.cpp | 43 |
1 files changed, 1 insertions, 42 deletions
diff --git a/lib/Transforms/Scalar/SpeculativeExecution.cpp b/lib/Transforms/Scalar/SpeculativeExecution.cpp index a7c308b598779..a0fc966cee2c6 100644 --- a/lib/Transforms/Scalar/SpeculativeExecution.cpp +++ b/lib/Transforms/Scalar/SpeculativeExecution.cpp @@ -208,47 +208,6 @@ bool SpeculativeExecutionPass::runOnBasicBlock(BasicBlock &B) { return false; } -static unsigned ComputeSpeculationCost(const Instruction *I, - const TargetTransformInfo &TTI) { - switch (Operator::getOpcode(I)) { - case Instruction::GetElementPtr: - case Instruction::Add: - case Instruction::Mul: - case Instruction::And: - case Instruction::Or: - case Instruction::Select: - case Instruction::Shl: - case Instruction::Sub: - case Instruction::LShr: - case Instruction::AShr: - case Instruction::Xor: - case Instruction::ZExt: - case Instruction::SExt: - case Instruction::Call: - case Instruction::BitCast: - case Instruction::PtrToInt: - case Instruction::IntToPtr: - case Instruction::AddrSpaceCast: - case Instruction::FPToUI: - case Instruction::FPToSI: - case Instruction::UIToFP: - case Instruction::SIToFP: - case Instruction::FPExt: - case Instruction::FPTrunc: - case Instruction::FAdd: - case Instruction::FSub: - case Instruction::FMul: - case Instruction::FDiv: - case Instruction::FRem: - case Instruction::ICmp: - case Instruction::FCmp: - return TTI.getUserCost(I); - - default: - return UINT_MAX; // Disallow anything not whitelisted. - } -} - bool SpeculativeExecutionPass::considerHoistingFromTo( BasicBlock &FromBlock, BasicBlock &ToBlock) { SmallSet<const Instruction *, 8> NotHoisted; @@ -264,7 +223,7 @@ bool SpeculativeExecutionPass::considerHoistingFromTo( unsigned TotalSpeculationCost = 0; for (auto& I : FromBlock) { - const unsigned Cost = ComputeSpeculationCost(&I, *TTI); + const unsigned Cost = TTI->getUserCost(&I); if (Cost != UINT_MAX && isSafeToSpeculativelyExecute(&I) && AllPrecedingUsesFromBlockHoisted(&I)) { TotalSpeculationCost += Cost; |