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[fast-isel] Add support for UDIV. 

llvm-svn: 149712
This commit is contained in:
Chad Rosier 2012-02-03 21:07:27 +00:00
parent 71cf5ab0d3
commit aaa55a88b6
1 changed files with 10 additions and 8 deletions
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18
llvm/lib/Target/ARM/ARMFastISel.cpp
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@ -163,7 +163,7 @@ class ARMFastISel : public FastISel {
bool SelectBinaryOp(const Instruction *I, unsigned ISDOpcode);
bool SelectIToFP(const Instruction *I, bool isZExt);
bool SelectFPToI(const Instruction *I, bool isZExt);
bool SelectSDiv(const Instruction *I);
bool SelectDiv(const Instruction *I, bool isSigned);
bool SelectSRem(const Instruction *I);
bool SelectCall(const Instruction *I, const char *IntrMemName);
bool SelectIntrinsicCall(const IntrinsicInst &I);
@ -1671,7 +1671,7 @@ bool ARMFastISel::SelectSelect(const Instruction *I) {
return true;
}
bool ARMFastISel::SelectSDiv(const Instruction *I) {
bool ARMFastISel::SelectDiv(const Instruction *I, bool isSigned) {
MVT VT;
Type *Ty = I->getType();
if (!isTypeLegal(Ty, VT))
@ -1685,15 +1685,15 @@ bool ARMFastISel::SelectSDiv(const Instruction *I) {
// Otherwise emit a libcall.
RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
if (VT == MVT::i8)
LC = RTLIB::SDIV_I8;
LC = isSigned ? RTLIB::SDIV_I8 : RTLIB::UDIV_I8;
else if (VT == MVT::i16)
LC = RTLIB::SDIV_I16;
LC = isSigned ? RTLIB::SDIV_I16 : RTLIB::UDIV_I16;
else if (VT == MVT::i32)
LC = RTLIB::SDIV_I32;
LC = isSigned ? RTLIB::SDIV_I32 : RTLIB::UDIV_I32;
else if (VT == MVT::i64)
LC = RTLIB::SDIV_I64;
LC = isSigned ? RTLIB::SDIV_I64 : RTLIB::UDIV_I64;
else if (VT == MVT::i128)
LC = RTLIB::SDIV_I128;
LC = isSigned ? RTLIB::SDIV_I128 : RTLIB::UDIV_I128;
assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported SDIV!");
return ARMEmitLibcall(I, LC);
@ -2463,7 +2463,9 @@ bool ARMFastISel::TargetSelectInstruction(const Instruction *I) {
case Instruction::FMul:
return SelectBinaryOp(I, ISD::FMUL);
case Instruction::SDiv:
return SelectSDiv(I);
return SelectDiv(I, /*isSigned*/ true);
case Instruction::UDiv:
return SelectDiv(I, /*isSigned*/ false);
case Instruction::SRem:
return SelectSRem(I);
case Instruction::Call: