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Add ifdef around getSubtargetFeatureName in tablegen output file so that only targets that want the function get it. This prevents other targets from getting an unused function warning. 

llvm-svn: 155538
This commit is contained in:
Craig Topper 2012-04-25 06:56:34 +00:00
parent 5ff6dc34b9
commit 3ec7c2aa84
2 changed files with 8 additions and 3 deletions
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1
llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
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@ -7595,5 +7595,6 @@ extern "C" void LLVMInitializeARMAsmParser() {
} }
#define GET_REGISTER_MATCHER #define GET_REGISTER_MATCHER
#define GET_SUBTARGET_FEATURE_NAME
#define GET_MATCHER_IMPLEMENTATION #define GET_MATCHER_IMPLEMENTATION
#include "ARMGenAsmMatcher.inc" #include "ARMGenAsmMatcher.inc"

10
llvm/utils/TableGen/AsmMatcherEmitter.cpp
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@ -2395,13 +2395,17 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
OS << "#endif // GET_REGISTER_MATCHER\n\n"; OS << "#endif // GET_REGISTER_MATCHER\n\n";
OS << "\n#ifdef GET_SUBTARGET_FEATURE_NAME\n";
OS << "\n#ifdef GET_MATCHER_IMPLEMENTATION\n"; OS << "#undef GET_SUBTARGET_FEATURE_NAME\n\n";
OS << "#undef GET_MATCHER_IMPLEMENTATION\n\n";
// Generate the helper function to get the names for subtarget features. // Generate the helper function to get the names for subtarget features.
emitGetSubtargetFeatureName(Info, OS); emitGetSubtargetFeatureName(Info, OS);
OS << "#endif // GET_SUBTARGET_FEATURE_NAME\n\n";
OS << "\n#ifdef GET_MATCHER_IMPLEMENTATION\n";
OS << "#undef GET_MATCHER_IMPLEMENTATION\n\n";
// Generate the function that remaps for mnemonic aliases. // Generate the function that remaps for mnemonic aliases.
bool HasMnemonicAliases = emitMnemonicAliases(OS, Info); bool HasMnemonicAliases = emitMnemonicAliases(OS, Info);