diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp index 4ef0846d311..76df63b5407 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp @@ -359,8 +359,11 @@ WebAssemblyTargetLowering::LowerCall(CallLoweringInfo &CLI, unsigned NumBytes = CCInfo.getAlignedCallFrameSize(); - auto NB = DAG.getConstant(NumBytes, DL, PtrVT, true); - Chain = DAG.getCALLSEQ_START(Chain, NB, DL); + SDValue NB; + if (NumBytes) { + NB = DAG.getConstant(NumBytes, DL, PtrVT, true); + Chain = DAG.getCALLSEQ_START(Chain, NB, DL); + } if (IsVarArg) { // For non-fixed arguments, next emit stores to store the argument values @@ -420,8 +423,10 @@ WebAssemblyTargetLowering::LowerCall(CallLoweringInfo &CLI, Chain = Res.getValue(1); } - SDValue Unused = DAG.getUNDEF(PtrVT); - Chain = DAG.getCALLSEQ_END(Chain, NB, Unused, SDValue(), DL); + if (NumBytes) { + SDValue Unused = DAG.getUNDEF(PtrVT); + Chain = DAG.getCALLSEQ_END(Chain, NB, Unused, SDValue(), DL); + } return Chain; } |
