From f3e8502cc18b4e8e49d99d6910c15c4d68658d1d Mon Sep 17 00:00:00 2001
From: Chandler Carruth <chandlerc@gmail.com>
Date: Tue, 10 Jan 2012 18:08:01 +0000
Subject: Add 'llvm_unreachable' to passify GCC's understanding of the
 constraints of several newly un-defaulted switches. This also helps
 optimizers (including LLVM's) recognize that every case is covered, and we
 should assume as much.

llvm-svn: 147861
---
 llvm/lib/AsmParser/LLParser.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/AsmParser/LLParser.cpp')

diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index a5072be50a8..bab4f9d3282 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -2549,6 +2549,7 @@ bool LLParser::ConvertValIDToValue(Type *Ty, ValID &ID, Value *&V,
       return Error(ID.Loc, "constant expression type mismatch");
     return false;
   }
+  llvm_unreachable("Invalid ValID");
 }
 
 bool LLParser::ParseValue(Type *Ty, Value *&V, PerFunctionState *PFS) {
-- 
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