[llvm] r348838 - Fix "not all control paths return a value" MSVC warnings. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Tue Dec 11 02:44:54 2018
New Revision: 348838

URL: http://llvm.org/viewvc/llvm-project?rev=348838&view=rev
Log:
Fix "not all control paths return a value" MSVC warnings. NFCI.

Modified:
    llvm/trunk/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h

Modified: llvm/trunk/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h?rev=348838&r1=348837&r2=348838&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h (original)
+++ llvm/trunk/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h Tue Dec 11 02:44:54 2018
@@ -92,6 +92,7 @@ public:
     case DstType::Ty_Reg:
       return MRI.getType(Reg);
     }
+    llvm_unreachable("Unrecognised DstOp::DstType enum");
   }
 
   DstType getDstOpKind() const { return Ty; }
@@ -136,6 +137,7 @@ public:
     case SrcType::Ty_MIB:
       return MRI.getType(SrcMIB->getOperand(0).getReg());
     }
+    llvm_unreachable("Unrecognised SrcOp::SrcType enum");
   }
 
   unsigned getReg() const {
@@ -147,6 +149,7 @@ public:
     case SrcType::Ty_MIB:
       return SrcMIB->getOperand(0).getReg();
     }
+    llvm_unreachable("Unrecognised SrcOp::SrcType enum");
   }
 
   CmpInst::Predicate getPredicate() const {