diff options
Diffstat (limited to 'llvm/lib')
-rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | 12 | ||||
-rw-r--r-- | llvm/lib/Target/AArch64/AArch64FastISel.cpp | 45 | ||||
-rw-r--r-- | llvm/lib/Target/X86/X86FastISel.cpp | 34 |
3 files changed, 22 insertions, 69 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp index 8cf859cf517..d5011d2d62d 100644 --- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -1408,6 +1408,18 @@ void FastISel::fastEmitBranch(MachineBasicBlock *MSucc, DebugLoc DbgLoc) { FuncInfo.MBB->addSuccessor(MSucc, BranchWeight); } +void FastISel::finishCondBranch(const BasicBlock *BranchBB, + MachineBasicBlock *TrueMBB, + MachineBasicBlock *FalseMBB) { + uint32_t BranchWeight = 0; + if (FuncInfo.BPI) + BranchWeight = FuncInfo.BPI->getEdgeWeight(BranchBB, + TrueMBB->getBasicBlock()); + FuncInfo.MBB->addSuccessor(TrueMBB, BranchWeight); + + fastEmitBranch(FalseMBB, DbgLoc); +} + /// Emit an FNeg operation. bool FastISel::selectFNeg(const User *I) { unsigned OpReg = getRegForValue(BinaryOperator::getFNegArgument(I)); diff --git a/llvm/lib/Target/AArch64/AArch64FastISel.cpp b/llvm/lib/Target/AArch64/AArch64FastISel.cpp index cc5d415a25c..afdd99b6ea8 100644 --- a/llvm/lib/Target/AArch64/AArch64FastISel.cpp +++ b/llvm/lib/Target/AArch64/AArch64FastISel.cpp @@ -2260,14 +2260,7 @@ bool AArch64FastISel::emitCompareAndBranch(const BranchInst *BI) { MIB.addImm(TestBit); MIB.addMBB(TBB); - // Obtain the branch weight and add the TrueBB to the successor list. - uint32_t BranchWeight = 0; - if (FuncInfo.BPI) - BranchWeight = FuncInfo.BPI->getEdgeWeight(BI->getParent(), - TBB->getBasicBlock()); - FuncInfo.MBB->addSuccessor(TBB, BranchWeight); - fastEmitBranch(FBB, DbgLoc); - + finishCondBranch(BI->getParent(), TBB, FBB); return true; } @@ -2342,14 +2335,7 @@ bool AArch64FastISel::selectBranch(const Instruction *I) { .addImm(CC) .addMBB(TBB); - // Obtain the branch weight and add the TrueBB to the successor list. - uint32_t BranchWeight = 0; - if (FuncInfo.BPI) - BranchWeight = FuncInfo.BPI->getEdgeWeight(BI->getParent(), - TBB->getBasicBlock()); - FuncInfo.MBB->addSuccessor(TBB, BranchWeight); - - fastEmitBranch(FBB, DbgLoc); + finishCondBranch(BI->getParent(), TBB, FBB); return true; } } else if (TruncInst *TI = dyn_cast<TruncInst>(BI->getCondition())) { @@ -2380,14 +2366,7 @@ bool AArch64FastISel::selectBranch(const Instruction *I) { .addImm(CC) .addMBB(TBB); - // Obtain the branch weight and add the TrueBB to the successor list. - uint32_t BranchWeight = 0; - if (FuncInfo.BPI) - BranchWeight = FuncInfo.BPI->getEdgeWeight(BI->getParent(), - TBB->getBasicBlock()); - FuncInfo.MBB->addSuccessor(TBB, BranchWeight); - - fastEmitBranch(FBB, DbgLoc); + finishCondBranch(BI->getParent(), TBB, FBB); return true; } } else if (const auto *CI = dyn_cast<ConstantInt>(BI->getCondition())) { @@ -2415,14 +2394,7 @@ bool AArch64FastISel::selectBranch(const Instruction *I) { .addImm(CC) .addMBB(TBB); - // Obtain the branch weight and add the TrueBB to the successor list. - uint32_t BranchWeight = 0; - if (FuncInfo.BPI) - BranchWeight = FuncInfo.BPI->getEdgeWeight(BI->getParent(), - TBB->getBasicBlock()); - FuncInfo.MBB->addSuccessor(TBB, BranchWeight); - - fastEmitBranch(FBB, DbgLoc); + finishCondBranch(BI->getParent(), TBB, FBB); return true; } @@ -2453,14 +2425,7 @@ bool AArch64FastISel::selectBranch(const Instruction *I) { .addImm(CC) .addMBB(TBB); - // Obtain the branch weight and add the TrueBB to the successor list. - uint32_t BranchWeight = 0; - if (FuncInfo.BPI) - BranchWeight = FuncInfo.BPI->getEdgeWeight(BI->getParent(), - TBB->getBasicBlock()); - FuncInfo.MBB->addSuccessor(TBB, BranchWeight); - - fastEmitBranch(FBB, DbgLoc); + finishCondBranch(BI->getParent(), TBB, FBB); return true; } diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp index eec19a8030d..f6da84aa4db 100644 --- a/llvm/lib/Target/X86/X86FastISel.cpp +++ b/llvm/lib/Target/X86/X86FastISel.cpp @@ -1431,17 +1431,7 @@ bool X86FastISel::X86SelectBranch(const Instruction *I) { .addMBB(TrueMBB); } - // Obtain the branch weight and add the TrueBB to the successor list. - uint32_t BranchWeight = 0; - if (FuncInfo.BPI) - BranchWeight = FuncInfo.BPI->getEdgeWeight(BI->getParent(), - TrueMBB->getBasicBlock()); - FuncInfo.MBB->addSuccessor(TrueMBB, BranchWeight); - - // Emits an unconditional branch to the FalseBB, obtains the branch - // weight, and adds it to the successor list. - fastEmitBranch(FalseMBB, DbgLoc); - + finishCondBranch(BI->getParent(), TrueMBB, FalseMBB); return true; } } else if (TruncInst *TI = dyn_cast<TruncInst>(BI->getCondition())) { @@ -1472,12 +1462,8 @@ bool X86FastISel::X86SelectBranch(const Instruction *I) { BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(JmpOpc)) .addMBB(TrueMBB); - fastEmitBranch(FalseMBB, DbgLoc); - uint32_t BranchWeight = 0; - if (FuncInfo.BPI) - BranchWeight = FuncInfo.BPI->getEdgeWeight(BI->getParent(), - TrueMBB->getBasicBlock()); - FuncInfo.MBB->addSuccessor(TrueMBB, BranchWeight); + + finishCondBranch(BI->getParent(), TrueMBB, FalseMBB); return true; } } @@ -1492,12 +1478,7 @@ bool X86FastISel::X86SelectBranch(const Instruction *I) { BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(BranchOpc)) .addMBB(TrueMBB); - fastEmitBranch(FalseMBB, DbgLoc); - uint32_t BranchWeight = 0; - if (FuncInfo.BPI) - BranchWeight = FuncInfo.BPI->getEdgeWeight(BI->getParent(), - TrueMBB->getBasicBlock()); - FuncInfo.MBB->addSuccessor(TrueMBB, BranchWeight); + finishCondBranch(BI->getParent(), TrueMBB, FalseMBB); return true; } @@ -1511,12 +1492,7 @@ bool X86FastISel::X86SelectBranch(const Instruction *I) { .addReg(OpReg).addImm(1); BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(X86::JNE_1)) .addMBB(TrueMBB); - fastEmitBranch(FalseMBB, DbgLoc); - uint32_t BranchWeight = 0; - if (FuncInfo.BPI) - BranchWeight = FuncInfo.BPI->getEdgeWeight(BI->getParent(), - TrueMBB->getBasicBlock()); - FuncInfo.MBB->addSuccessor(TrueMBB, BranchWeight); + finishCondBranch(BI->getParent(), TrueMBB, FalseMBB); return true; } |