DWARFCFIAnalysis.cpp - fix MSVC "not all control paths return a value" warning. NFC.

RKSimon · RKSimon · commit 7d92756a4cad · 2025-07-09T09:46:15.000+01:00
diff --git a/llvm/lib/DWARFCFIChecker/DWARFCFIAnalysis.cpp b/llvm/lib/DWARFCFIChecker/DWARFCFIAnalysis.cpp
@@ -77,6 +77,7 @@ getUnwindRuleRegSet(const dwarf::UnwindRow &UnwindRow, DWARFRegNum Reg) {
   case dwarf::UnwindLocation::Location::RegPlusOffset:
     return {Loc.getRegister()};
   }
+  llvm_unreachable("Unknown dwarf::UnwindLocation::Location enum");
 }
 
 DWARFCFIAnalysis::DWARFCFIAnalysis(MCContext *Context, MCInstrInfo const &MCII,

Original file line number	Diff line number	Diff line change
`@@ -77,6 +77,7 @@ getUnwindRuleRegSet(const dwarf::UnwindRow &UnwindRow, DWARFRegNum Reg) {`
`77`	`77`	`case dwarf::UnwindLocation::Location::RegPlusOffset:`
`78`	`78`	`return {Loc.getRegister()};`
`79`	`79`	`}`
	`80`	`+ llvm_unreachable("Unknown dwarf::UnwindLocation::Location enum");`
`80`	`81`	`}`
`81`	`82`
`82`	`83`	`DWARFCFIAnalysis::DWARFCFIAnalysis(MCContext *Context, MCInstrInfo const &MCII,`