[fast-isel] Add support for FPToUI. Also add test cases for FPToSI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149706 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index 48cd5f4..e30cee3 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -162,7 +162,7 @@
bool SelectFPTrunc(const Instruction *I);
bool SelectBinaryOp(const Instruction *I, unsigned ISDOpcode);
bool SelectIToFP(const Instruction *I, bool isZExt);
- bool SelectFPToSI(const Instruction *I);
+ bool SelectFPToI(const Instruction *I, bool isZExt);
bool SelectSDiv(const Instruction *I);
bool SelectSRem(const Instruction *I);
bool SelectCall(const Instruction *I, const char *IntrMemName);
@@ -1578,7 +1578,7 @@
return true;
}
-bool ARMFastISel::SelectFPToSI(const Instruction *I) {
+bool ARMFastISel::SelectFPToI(const Instruction *I, bool isZExt) {
// Make sure we have VFP.
if (!Subtarget->hasVFP2()) return false;
@@ -1592,11 +1592,11 @@
unsigned Opc;
Type *OpTy = I->getOperand(0)->getType();
- if (OpTy->isFloatTy()) Opc = ARM::VTOSIZS;
- else if (OpTy->isDoubleTy()) Opc = ARM::VTOSIZD;
+ if (OpTy->isFloatTy()) Opc = isZExt ? ARM::VTOUIZS : ARM::VTOSIZS;
+ else if (OpTy->isDoubleTy()) Opc = isZExt ? ARM::VTOUIZD : ARM::VTOSIZD;
else return false;
- // f64->s32 or f32->s32 both need an intermediate f32 reg.
+ // f64->s32/u32 or f32->s32/u32 both need an intermediate f32 reg.
unsigned ResultReg = createResultReg(TLI.getRegClassFor(MVT::f32));
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(Opc),
ResultReg)
@@ -2453,7 +2453,9 @@
case Instruction::UIToFP:
return SelectIToFP(I, /*isZExt*/ true);
case Instruction::FPToSI:
- return SelectFPToSI(I);
+ return SelectFPToI(I, /*isZExt*/ false);
+ case Instruction::FPToUI:
+ return SelectFPToI(I, /*isZExt*/ true);
case Instruction::FAdd:
return SelectBinaryOp(I, ISD::FADD);
case Instruction::FSub: