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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2019-10-20 07:46:04 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2019-10-20 07:46:04 +0000 |
| commit | 8a8b317460ff88f89ee3a47199a227109776b1ac (patch) | |
| tree | ad148358b5f8c085ff25a404fdcd8c443af21daf /llvm/lib/Target/AMDGPU/SIISelLowering.cpp | |
| parent | 722b61892454b3217d73ec486e52156c5a92b5b3 (diff) | |
| download | bcm5719-llvm-8a8b317460ff88f89ee3a47199a227109776b1ac.tar.gz bcm5719-llvm-8a8b317460ff88f89ee3a47199a227109776b1ac.zip | |
AMDGPU: Don't error on calls to null or undef
Calls to constants should probably be generally handled.
llvm-svn: 375356
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIISelLowering.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp index d6362e64f47..80eb2be9e65 100644 --- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp @@ -2688,6 +2688,15 @@ SDValue SITargetLowering::LowerCall(CallLoweringInfo &CLI, bool IsThisReturn = false; MachineFunction &MF = DAG.getMachineFunction(); + if (Callee.isUndef() || isNullConstant(Callee)) { + if (!CLI.IsTailCall) { + for (unsigned I = 0, E = CLI.Ins.size(); I != E; ++I) + InVals.push_back(DAG.getUNDEF(CLI.Ins[I].VT)); + } + + return Chain; + } + if (IsVarArg) { return lowerUnhandledCall(CLI, InVals, "unsupported call to variadic function "); |
