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Fix a Clang warning in the new NVPTX backend:

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In file included from ../lib/Target/NVPTX/VectorElementize.cpp:53:
../lib/Target/NVPTX/NVPTX.h:44:3: warning: default label in switch which covers all enumeration values [-Wcovered-switch-default]
  default: assert(0 && "Unknown condition code");
  ^
1 warning generated.

The prevailing pattern in LLVM is to not use a default label, and instead to
use llvm_unreachable to denote that the switch in fact covers all return paths
from the function.

llvm-svn: 156209
This commit is contained in:
Chandler Carruth 2012-05-04 21:35:49 +00:00
parent 51819a2bcf
commit 856e83e1c1
1 changed files with 1 additions and 1 deletions
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2
lib/Target/NVPTX/NVPTX.h
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@ -41,7 +41,6 @@ enum CondCodes {
inline static const char *NVPTXCondCodeToString(NVPTXCC::CondCodes CC) { inline static const char *NVPTXCondCodeToString(NVPTXCC::CondCodes CC) {
switch (CC) { switch (CC) {
default: assert(0 && "Unknown condition code");
case NVPTXCC::NE: return "ne"; case NVPTXCC::NE: return "ne";
case NVPTXCC::EQ: return "eq"; case NVPTXCC::EQ: return "eq";
case NVPTXCC::LT: return "lt"; case NVPTXCC::LT: return "lt";
@ -49,6 +48,7 @@ inline static const char *NVPTXCondCodeToString(NVPTXCC::CondCodes CC) {
case NVPTXCC::GT: return "gt"; case NVPTXCC::GT: return "gt";
case NVPTXCC::GE: return "ge"; case NVPTXCC::GE: return "ge";
} }
llvm_unreachable("Unknown condition code");
} }
FunctionPass *createNVPTXISelDag(NVPTXTargetMachine &TM, FunctionPass *createNVPTXISelDag(NVPTXTargetMachine &TM,