[llvm-commits] [llvm] r55097 - /llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
Evan Cheng
evan.cheng at apple.com
Wed Aug 20 18:19:11 PDT 2008
Author: evancheng
Date: Wed Aug 20 20:19:11 2008
New Revision: 55097
URL: http://llvm.org/viewvc/llvm-project?rev=55097&view=rev
Log:
Type of first GEP operand is always the same as the target pointer type.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp?rev=55097&r1=55096&r2=55097&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp Wed Aug 20 20:19:11 2008
@@ -56,9 +56,7 @@
return false;
const Type *Ty = I->getOperand(0)->getType();
- MVT VT = MVT::getMVT(Ty, /*HandleUnknown=*/true);
- MVT::SimpleValueType PtrVT = TLI.getPointerTy().getSimpleVT();
-
+ MVT VT = MVT::getMVT(Ty, /*HandleUnknown=*/false);
for (GetElementPtrInst::op_iterator OI = I->op_begin()+1, E = I->op_end();
OI != E; ++OI) {
Value *Idx = *OI;
@@ -69,7 +67,7 @@
uint64_t Offs = TD.getStructLayout(StTy)->getElementOffset(Field);
// FIXME: This can be optimized by combining the add with a
// subsequent one.
- N = FastEmit_ri(VT.getSimpleVT(), ISD::ADD, N, Offs, PtrVT);
+ N = FastEmit_ri(VT.getSimpleVT(), ISD::ADD, N, Offs, VT.getSimpleVT());
if (N == 0)
// Unhandled operand. Halt "fast" selection and bail.
return false;
@@ -83,7 +81,7 @@
if (CI->getZExtValue() == 0) continue;
uint64_t Offs =
TD.getABITypeSize(Ty)*cast<ConstantInt>(CI)->getSExtValue();
- N = FastEmit_ri(VT.getSimpleVT(), ISD::ADD, N, Offs, PtrVT);
+ N = FastEmit_ri(VT.getSimpleVT(), ISD::ADD, N, Offs, VT.getSimpleVT());
if (N == 0)
// Unhandled operand. Halt "fast" selection and bail.
return false;
@@ -99,7 +97,7 @@
// If the index is smaller or larger than intptr_t, truncate or extend
// it.
- MVT IdxVT = MVT::getMVT(Idx->getType(), /*HandleUnknown=*/true);
+ MVT IdxVT = MVT::getMVT(Idx->getType(), /*HandleUnknown=*/false);
if (IdxVT.bitsLT(VT))
IdxN = FastEmit_r(VT.getSimpleVT(), ISD::SIGN_EXTEND, IdxN);
else if (IdxVT.bitsGT(VT))
@@ -111,7 +109,7 @@
// FIXME: If multiple is power of two, turn it into a shift. The
// optimization should be in FastEmit_ri?
IdxN = FastEmit_ri(VT.getSimpleVT(), ISD::MUL, IdxN,
- ElementSize, PtrVT);
+ ElementSize, VT.getSimpleVT());
if (IdxN == 0)
// Unhandled operand. Halt "fast" selection and bail.
return false;
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