RPCSX/llvm
1
0
Fork 0
mirror of https://github.com/RPCSX/llvm.git synced 2025-02-15 02:29:07 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[WebAssembly] Factor out the list of supported calling conventions.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254728 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2015-12-04 17:16:07 +00:00
parent 0771e45d22
commit 1951dce526
1 changed files with 13 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
View File

@ -257,6 +257,16 @@ static void fail(SDLoc DL, SelectionDAG &DAG, const char *msg) {
DiagnosticInfoUnsupported(DL, *MF.getFunction(), msg, SDValue()));
}
// Test whether the given calling convention is supported.
static bool
CallingConvSupported(CallingConv::ID CallConv) {
// We currently support the language-independent target-independent
// conventions.
return CallConv == CallingConv::C ||
CallConv == CallingConv::Fast ||
CallConv == CallingConv::Cold;
}
SDValue
WebAssemblyTargetLowering::LowerCall(CallLoweringInfo &CLI,
SmallVectorImpl<SDValue> &InVals) const {
@ -267,8 +277,7 @@ WebAssemblyTargetLowering::LowerCall(CallLoweringInfo &CLI,
MachineFunction &MF = DAG.getMachineFunction();
CallingConv::ID CallConv = CLI.CallConv;
if (CallConv != CallingConv::C && CallConv != CallingConv::Fast &&
CallConv != CallingConv::Cold)
if (!CallingConvSupported(CallConv))
fail(DL, DAG,
"WebAssembly doesn't support language-specific or target-specific "
"calling conventions yet");
@ -367,7 +376,7 @@ SDValue WebAssemblyTargetLowering::LowerReturn(
const SmallVectorImpl<SDValue> &OutVals, SDLoc DL,
SelectionDAG &DAG) const {
assert(Outs.size() <= 1 && "WebAssembly can only return up to one value");
if (CallConv != CallingConv::C)
if (!CallingConvSupported(CallConv))
fail(DL, DAG, "WebAssembly doesn't support non-C calling conventions");
if (IsVarArg)
fail(DL, DAG, "WebAssembly doesn't support varargs yet");
@ -399,7 +408,7 @@ SDValue WebAssemblyTargetLowering::LowerFormalArguments(
SmallVectorImpl<SDValue> &InVals) const {
MachineFunction &MF = DAG.getMachineFunction();
if (CallConv != CallingConv::C)
if (!CallingConvSupported(CallConv))
fail(DL, DAG, "WebAssembly doesn't support non-C calling conventions");
if (IsVarArg)
fail(DL, DAG, "WebAssembly doesn't support varargs yet");