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Don't check TLI.getOperationAction. The FastISel way is to

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just try to do the action and let the tablegen-generated code
determine if there is target-support for an operation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55427 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-08-27 18:15:05 +00:00
parent ad368ac2b5
commit 151ed61a2f
1 changed files with 2 additions and 6 deletions
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8
lib/CodeGen/SelectionDAG/FastISel.cpp
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@ -458,10 +458,8 @@ unsigned FastISel::FastEmit_rri(MVT::SimpleValueType, MVT::SimpleValueType,
unsigned FastISel::FastEmit_ri_(MVT::SimpleValueType VT, ISD::NodeType Opcode, unsigned FastISel::FastEmit_ri_(MVT::SimpleValueType VT, ISD::NodeType Opcode,
unsigned Op0, uint64_t Imm, unsigned Op0, uint64_t Imm,
MVT::SimpleValueType ImmType) { MVT::SimpleValueType ImmType) {
unsigned ResultReg = 0;
// First check if immediate type is legal. If not, we can't use the ri form. // First check if immediate type is legal. If not, we can't use the ri form.
if (TLI.getOperationAction(ISD::Constant, ImmType) == TargetLowering::Legal) unsigned ResultReg = FastEmit_ri(VT, VT, Opcode, Op0, Imm);
ResultReg = FastEmit_ri(VT, VT, Opcode, Op0, Imm);
if (ResultReg != 0) if (ResultReg != 0)
return ResultReg; return ResultReg;
unsigned MaterialReg = FastEmit_i(ImmType, ImmType, ISD::Constant, Imm); unsigned MaterialReg = FastEmit_i(ImmType, ImmType, ISD::Constant, Imm);
@ -477,10 +475,8 @@ unsigned FastISel::FastEmit_ri_(MVT::SimpleValueType VT, ISD::NodeType Opcode,
unsigned FastISel::FastEmit_rf_(MVT::SimpleValueType VT, ISD::NodeType Opcode, unsigned FastISel::FastEmit_rf_(MVT::SimpleValueType VT, ISD::NodeType Opcode,
unsigned Op0, ConstantFP *FPImm, unsigned Op0, ConstantFP *FPImm,
MVT::SimpleValueType ImmType) { MVT::SimpleValueType ImmType) {
unsigned ResultReg = 0;
// First check if immediate type is legal. If not, we can't use the rf form. // First check if immediate type is legal. If not, we can't use the rf form.
if (TLI.getOperationAction(ISD::Constant, ImmType) == TargetLowering::Legal) unsigned ResultReg = FastEmit_rf(VT, VT, Opcode, Op0, FPImm);
ResultReg = FastEmit_rf(VT, VT, Opcode, Op0, FPImm);
if (ResultReg != 0) if (ResultReg != 0)
return ResultReg; return ResultReg;