# This patch is required to fix #1381.

# Extend inputs with elements smaller than i32 to sint_to_fp/uint_to_fp

# before type legalization. In this particular case extending bool to 32 bits.

Index: lib/Target/X86/X86ISelLowering.cpp

===================================================================

--- a/llvm/lib/Target/X86/X86ISelLowering.cpp (revision 348642)

+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp (working copy)

@@ -36768,11 +36768,11 @@

SDValue Op0 = N->getOperand(0);

EVT VT = N->getValueType(0);

EVT InVT = Op0.getValueType();

- EVT InSVT = InVT.getScalarType();

+ // UINT_TO_FP(vXi1) -> SINT_TO_FP(SEXT(vXi1 to vXi32))

// UINT_TO_FP(vXi8) -> SINT_TO_FP(ZEXT(vXi8 to vXi32))

// UINT_TO_FP(vXi16) -> SINT_TO_FP(ZEXT(vXi16 to vXi32))

- if (InVT.isVector() && (InSVT == MVT::i8 || InSVT == MVT::i16)) {

+ if (InVT.isVector() && InVT.getScalarSizeInBits() < 32) {

SDLoc dl(N);

EVT DstVT = EVT::getVectorVT(*DAG.getContext(), MVT::i32,

InVT.getVectorNumElements());

@@ -36802,14 +36802,11 @@

SDValue Op0 = N->getOperand(0);

EVT VT = N->getValueType(0);

EVT InVT = Op0.getValueType();

- EVT InSVT = InVT.getScalarType();

// SINT_TO_FP(vXi1) -> SINT_TO_FP(SEXT(vXi1 to vXi32))

// SINT_TO_FP(vXi8) -> SINT_TO_FP(SEXT(vXi8 to vXi32))

// SINT_TO_FP(vXi16) -> SINT_TO_FP(SEXT(vXi16 to vXi32))

- if (InVT.isVector() &&

- (InSVT == MVT::i8 || InSVT == MVT::i16 ||

- (InSVT == MVT::i1 && !DAG.getTargetLoweringInfo().isTypeLegal(InVT)))) {

+ if (InVT.isVector() && InVT.getScalarSizeInBits() < 32) {

SDLoc dl(N);

EVT DstVT = EVT::getVectorVT(*DAG.getContext(), MVT::i32,

InVT.getVectorNumElements());