[llvm] [AMDGPU] Handled G_UBSANTRAP GlobalIsel (PR #134492)

[Tim Gymnich via llvm-commits]

================
@@ -7045,6 +7047,28 @@ bool AMDGPULegalizerInfo::legalizeDebugTrap(MachineInstr &MI,
   return true;
 }
 
+bool AMDGPULegalizerInfo::legalizeUbsanTrap(MachineInstr &MI,
+                                            MachineRegisterInfo &MRI,
+                                            MachineIRBuilder &B) const {
+  // Is non-HSA path or trap-handler disabled? Then, report a warning
+  // accordingly
+  if (!ST.isTrapHandlerEnabled() ||
+      ST.getTrapHandlerAbi() != GCNSubtarget::TrapHandlerAbi::AMDHSA) {
+    DiagnosticInfoUnsupported NoTrap(B.getMF().getFunction(),
+                                     "ubsantrap handler not supported",
+                                     MI.getDebugLoc(), DS_Warning);
+    LLVMContext &Ctx = B.getMF().getFunction().getContext();
----------------
tgymnich wrote:

```suggestion
    LLVMContext &Ctx = B.getContext();
```

https://github.com/llvm/llvm-project/pull/134492