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implement calls to functions that return long

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30929 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2006-10-13 16:47:22 +00:00
parent 42b62f3f81
commit 26a76d1024
2 changed files with 23 additions and 9 deletions
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25
lib/Target/ARM/ARMISelDAGToDAG.cpp
View File

@ -283,7 +283,6 @@ static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG) {
assert(CallConv == CallingConv::C && "unknown calling convention");
bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getValue() != 0;
bool isTailCall = cast<ConstantSDNode>(Op.getOperand(3))->getValue() != 0;
assert(isTailCall == false && "tail call not supported");
SDOperand Callee = Op.getOperand(4);
unsigned NumOps = (Op.getNumOperands() - 5) / 2;
SDOperand StackPtr = DAG.getRegister(ARM::R13, MVT::i32);
@ -377,22 +376,30 @@ static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG) {
MVT::ValueType VT = Op.Val->getValueType(0);
if (VT != MVT::Other) {
assert(VT == MVT::i32 || VT == MVT::f32 || VT == MVT::f64);
SDOperand Value;
SDOperand Value1 = DAG.getCopyFromReg(Chain, ARM::R0, MVT::i32, InFlag);
Chain = Value1.getValue(1);
InFlag = Value1.getValue(2);
if (VT == MVT::i32)
Value = Value1;
if (VT == MVT::f32)
Value = DAG.getNode(ISD::BIT_CONVERT, MVT::f32, Value1);
NodeTys.push_back(VT);
if (VT == MVT::i32) {
ResultVals.push_back(Value1);
if (Op.Val->getValueType(1) == MVT::i32) {
SDOperand Value2 = DAG.getCopyFromReg(Chain, ARM::R1, MVT::i32, InFlag);
Chain = Value2.getValue(1);
ResultVals.push_back(Value2);
NodeTys.push_back(VT);
}
}
if (VT == MVT::f32) {
SDOperand Value = DAG.getNode(ISD::BIT_CONVERT, MVT::f32, Value1);
ResultVals.push_back(Value);
}
if (VT == MVT::f64) {
SDOperand Value2 = DAG.getCopyFromReg(Chain, ARM::R1, MVT::i32, InFlag);
Chain = Value2.getValue(1);
Value = DAG.getNode(ARMISD::FMDRR, MVT::f64, Value1, Value2);
SDOperand Value = DAG.getNode(ARMISD::FMDRR, MVT::f64, Value1, Value2);
ResultVals.push_back(Value);
}
ResultVals.push_back(Value);
NodeTys.push_back(VT);
}
Chain = DAG.getNode(ISD::CALLSEQ_END, MVT::Other, Chain,

7
test/CodeGen/ARM/long.ll
View File

@ -37,3 +37,10 @@ entry:
%tmp1 = add ulong %y, 1
ret ulong %tmp1
}
void %f7() {
entry:
%tmp = call long %f8()
ret void
}
declare long %f8()