Add support for sign-extending non-legal types in SelectSIToFP().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143603 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index 78bda6c..d1f2c7f 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -1329,16 +1329,25 @@
if (!isTypeLegal(Ty, DstVT))
return false;
- // FIXME: Handle sign-extension where necessary.
- if (!I->getOperand(0)->getType()->isIntegerTy(32))
+ Value *Src = I->getOperand(0);
+ EVT SrcVT = TLI.getValueType(Src->getType(), true);
+ if (SrcVT != MVT::i32 && SrcVT != MVT::i16 && SrcVT != MVT::i8)
return false;
- unsigned Op = getRegForValue(I->getOperand(0));
- if (Op == 0) return false;
+ unsigned SrcReg = getRegForValue(Src);
+ if (SrcReg == 0) return false;
+
+ // Handle sign-extension.
+ if (SrcVT == MVT::i16 || SrcVT == MVT::i8) {
+ EVT DestVT = MVT::i32;
+ unsigned ResultReg = ARMEmitIntExt(SrcVT, SrcReg, DestVT, /*isZExt*/ false);
+ if (ResultReg == 0) return false;
+ SrcReg = ResultReg;
+ }
// The conversion routine works on fp-reg to fp-reg and the operand above
// was an integer, move it to the fp registers if possible.
- unsigned FP = ARMMoveToFPReg(MVT::f32, Op);
+ unsigned FP = ARMMoveToFPReg(MVT::f32, SrcReg);
if (FP == 0) return false;
unsigned Opc;