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Use IRBuilder. 

llvm-svn: 139156
This commit is contained in:
Devang Patel 2011-09-06 18:49:53 +00:00
parent f471ac3c72
commit c10e52a0c4
1 changed files with 14 additions and 17 deletions
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31
llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
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@ -811,7 +811,7 @@ bool CodeGenPrepare::OptimizeMemoryInst(Instruction *MemoryInst, Value *Addr,
// Insert this computation right after this user. Since our caller is
// scanning from the top of the BB to the bottom, reuse of the expr are
// guaranteed to happen later.
BasicBlock::iterator InsertPt = MemoryInst;
IRBuilder<> Builder(MemoryInst);
// Now that we determined the addressing expression we want to use and know
// that we have to sink it into this block. Check to see if we have already
@ -822,7 +822,7 @@ bool CodeGenPrepare::OptimizeMemoryInst(Instruction *MemoryInst, Value *Addr,
DEBUG(dbgs() << "CGP: Reusing nonlocal addrmode: " << AddrMode << " for "
<< *MemoryInst);
if (SunkAddr->getType() != Addr->getType())
SunkAddr = new BitCastInst(SunkAddr, Addr->getType(), "tmp", InsertPt);
SunkAddr = Builder.CreateBitCast(SunkAddr, Addr->getType(), "tmp");
} else {
DEBUG(dbgs() << "CGP: SINKING nonlocal addrmode: " << AddrMode << " for "
<< *MemoryInst);
@ -839,10 +839,9 @@ bool CodeGenPrepare::OptimizeMemoryInst(Instruction *MemoryInst, Value *Addr,
if (AddrMode.BaseReg) {
Value *V = AddrMode.BaseReg;
if (V->getType()->isPointerTy())
V = new PtrToIntInst(V, IntPtrTy, "sunkaddr", InsertPt);
V = Builder.CreatePtrToInt(V, IntPtrTy, "sunkaddr");
if (V->getType() != IntPtrTy)
V = CastInst::CreateIntegerCast(V, IntPtrTy, /*isSigned=*/true,
"sunkaddr", InsertPt);
V = Builder.CreateIntCast(V, IntPtrTy, /*isSigned=*/true, "sunkaddr");
Result = V;
}
@ -852,29 +851,27 @@ bool CodeGenPrepare::OptimizeMemoryInst(Instruction *MemoryInst, Value *Addr,
if (V->getType() == IntPtrTy) {
// done.
} else if (V->getType()->isPointerTy()) {
V = new PtrToIntInst(V, IntPtrTy, "sunkaddr", InsertPt);
V = Builder.CreatePtrToInt(V, IntPtrTy, "sunkaddr");
} else if (cast<IntegerType>(IntPtrTy)->getBitWidth() <
cast<IntegerType>(V->getType())->getBitWidth()) {
V = new TruncInst(V, IntPtrTy, "sunkaddr", InsertPt);
V = Builder.CreateTrunc(V, IntPtrTy, "sunkaddr");
} else {
V = new SExtInst(V, IntPtrTy, "sunkaddr", InsertPt);
V = Builder.CreateSExt(V, IntPtrTy, "sunkaddr");
}
if (AddrMode.Scale != 1)
V = BinaryOperator::CreateMul(V, ConstantInt::get(IntPtrTy,
AddrMode.Scale),
"sunkaddr", InsertPt);
V = Builder.CreateMul(V, ConstantInt::get(IntPtrTy, AddrMode.Scale),
"sunkaddr");
if (Result)
Result = BinaryOperator::CreateAdd(Result, V, "sunkaddr", InsertPt);
Result = Builder.CreateAdd(Result, V, "sunkaddr");
else
Result = V;
}
// Add in the BaseGV if present.
if (AddrMode.BaseGV) {
Value *V = new PtrToIntInst(AddrMode.BaseGV, IntPtrTy, "sunkaddr",
InsertPt);
Value *V = Builder.CreatePtrToInt(AddrMode.BaseGV, IntPtrTy, "sunkaddr");
if (Result)
Result = BinaryOperator::CreateAdd(Result, V, "sunkaddr", InsertPt);
Result = Builder.CreateAdd(Result, V, "sunkaddr");
else
Result = V;
}
@ -883,7 +880,7 @@ bool CodeGenPrepare::OptimizeMemoryInst(Instruction *MemoryInst, Value *Addr,
if (AddrMode.BaseOffs) {
Value *V = ConstantInt::get(IntPtrTy, AddrMode.BaseOffs);
if (Result)
Result = BinaryOperator::CreateAdd(Result, V, "sunkaddr", InsertPt);
Result = Builder.CreateAdd(Result, V, "sunkaddr");
else
Result = V;
}
@ -891,7 +888,7 @@ bool CodeGenPrepare::OptimizeMemoryInst(Instruction *MemoryInst, Value *Addr,
if (Result == 0)
SunkAddr = Constant::getNullValue(Addr->getType());
else
SunkAddr = new IntToPtrInst(Result, Addr->getType(), "sunkaddr",InsertPt);
SunkAddr = Builder.CreateIntToPtr(Result, Addr->getType(), "sunkaddr");
}
MemoryInst->replaceUsesOfWith(Repl, SunkAddr);