[RISCV] Initial support for function calls
Note that this is just enough for simple function call examples to generate
working code. Support for varargs etc follows in future patches.
Differential Revision: https://reviews.llvm.org/D29936
llvm-svn: 317691
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.h b/llvm/lib/Target/RISCV/RISCVISelLowering.h
index 2bd5717..dfb4824 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.h
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.h
@@ -24,7 +24,8 @@
namespace RISCVISD {
enum NodeType : unsigned {
FIRST_NUMBER = ISD::BUILTIN_OP_END,
- RET_FLAG
+ RET_FLAG,
+ CALL
};
}
@@ -52,6 +53,8 @@
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<SDValue> &OutVals, const SDLoc &DL,
SelectionDAG &DAG) const override;
+ SDValue LowerCall(TargetLowering::CallLoweringInfo &CLI,
+ SmallVectorImpl<SDValue> &InVals) const override;
bool shouldConvertConstantLoadToIntImm(const APInt &Imm,
Type *Ty) const override {
return true;