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Make conversions of i8/i16 to ppcf128 work.

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llvm-svn: 48493
This commit is contained in:
Dale Johannesen 2008-03-18 17:28:38 +00:00
parent 889ee011f7
commit 7f51ebc90c
2 changed files with 45 additions and 10 deletions
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23
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -6713,6 +6713,19 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
case ISD::UINT_TO_FP: {
bool isSigned = Node->getOpcode() == ISD::SINT_TO_FP;
MVT::ValueType SrcVT = Node->getOperand(0).getValueType();
// Promote the operand if needed. Do this before checking for
// ppcf128 so conversions of i16 and i8 work.
if (getTypeAction(SrcVT) == Promote) {
SDOperand Tmp = PromoteOp(Node->getOperand(0));
Tmp = isSigned
? DAG.getNode(ISD::SIGN_EXTEND_INREG, Tmp.getValueType(), Tmp,
DAG.getValueType(SrcVT))
: DAG.getZeroExtendInReg(Tmp, SrcVT);
Node = DAG.UpdateNodeOperands(Op, Tmp).Val;
SrcVT = Node->getOperand(0).getValueType();
}
if (VT == MVT::ppcf128 && SrcVT == MVT::i32) {
static const uint64_t zero = 0;
if (isSigned) {
@ -6757,16 +6770,6 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
break;
}
// Promote the operand if needed.
if (getTypeAction(SrcVT) == Promote) {
SDOperand Tmp = PromoteOp(Node->getOperand(0));
Tmp = isSigned
? DAG.getNode(ISD::SIGN_EXTEND_INREG, Tmp.getValueType(), Tmp,
DAG.getValueType(SrcVT))
: DAG.getZeroExtendInReg(Tmp, SrcVT);
Node = DAG.UpdateNodeOperands(Op, Tmp).Val;
}
Lo = ExpandIntToFP(Node->getOpcode() == ISD::SINT_TO_FP, VT,
Node->getOperand(0));
ExpandOp(Lo, Lo, Hi);

32
test/CodeGen/PowerPC/ppcf128-3.ll Normal file
View File

@ -0,0 +1,32 @@
; RUN: llvm-as < %s | llc -march=ppc32
%struct.stp_sequence = type { double, double }
define i32 @stp_sequence_set_short_data(%struct.stp_sequence* %sequence, i32 %count, i16* %data) {
entry:
%tmp1112 = sitofp i16 0 to ppc_fp128 ; <ppc_fp128> [#uses=1]
%tmp13 = call i32 (...)* @__inline_isfinite( ppc_fp128 %tmp1112 ) nounwind ; <i32> [#uses=0]
ret i32 0
}
define i32 @stp_sequence_set_short_data2(%struct.stp_sequence* %sequence, i32 %count, i16* %data) {
entry:
%tmp1112 = sitofp i8 0 to ppc_fp128 ; <ppc_fp128> [#uses=1]
%tmp13 = call i32 (...)* @__inline_isfinite( ppc_fp128 %tmp1112 ) nounwind ; <i32> [#uses=0]
ret i32 0
}
define i32 @stp_sequence_set_short_data3(%struct.stp_sequence* %sequence, i32 %count, i16* %data) {
entry:
%tmp1112 = uitofp i16 0 to ppc_fp128 ; <ppc_fp128> [#uses=1]
%tmp13 = call i32 (...)* @__inline_isfinite( ppc_fp128 %tmp1112 ) nounwind ; <i32> [#uses=0]
ret i32 0
}
define i32 @stp_sequence_set_short_data4(%struct.stp_sequence* %sequence, i32 %count, i16* %data) {
entry:
%tmp1112 = uitofp i8 0 to ppc_fp128 ; <ppc_fp128> [#uses=1]
%tmp13 = call i32 (...)* @__inline_isfinite( ppc_fp128 %tmp1112 ) nounwind ; <i32> [#uses=0]
ret i32 0
}
declare i32 @__inline_isfinite(...)