diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index a5691cdfc6a..6f9caf1d0bb 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -3780,6 +3780,9 @@ X86TargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI, } else if (VA.isRegLoc()) { RegsToPass.push_back(std::make_pair(VA.getLocReg(), Arg)); if (isVarArg && IsWin64) { + if (!Subtarget.hasSSE1()) + errorUnsupported( + DAG, dl, "Win64 ABI varargs functions require SSE to be enabled"); // Win64 ABI requires argument XMM reg to be copied to the corresponding // shadow reg if callee is a varargs function. unsigned ShadowReg = 0; |
