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Remove a call to std::exit in a library. Make "Help" return
a 0 as a default answer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208009 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -142,8 +142,9 @@ static size_t getLongestEntryLength(const SubtargetFeatureKV *Table,
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/// Display help for feature choices.
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///
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static void Help(const SubtargetFeatureKV *CPUTable, size_t CPUTableSize,
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const SubtargetFeatureKV *FeatTable, size_t FeatTableSize) {
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static uint64_t Help(const SubtargetFeatureKV *CPUTable, size_t CPUTableSize,
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const SubtargetFeatureKV *FeatTable,
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size_t FeatTableSize) {
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// Determine the length of the longest CPU and Feature entries.
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unsigned MaxCPULen = getLongestEntryLength(CPUTable, CPUTableSize);
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unsigned MaxFeatLen = getLongestEntryLength(FeatTable, FeatTableSize);
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@ -164,7 +165,8 @@ static void Help(const SubtargetFeatureKV *CPUTable, size_t CPUTableSize,
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errs() << "Use +feature to enable a feature, or -feature to disable it.\n"
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"For example, llc -mcpu=mycpu -mattr=+feature1,-feature2\n";
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std::exit(1);
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return 0;
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}
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//===----------------------------------------------------------------------===//
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@ -275,7 +277,7 @@ uint64_t SubtargetFeatures::getFeatureBits(const StringRef CPU,
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// Check if help is needed
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if (CPU == "help")
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Help(CPUTable, CPUTableSize, FeatureTable, FeatureTableSize);
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return Help(CPUTable, CPUTableSize, FeatureTable, FeatureTableSize);
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// Find CPU entry if CPU name is specified.
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if (!CPU.empty()) {
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@ -304,7 +306,7 @@ uint64_t SubtargetFeatures::getFeatureBits(const StringRef CPU,
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// Check for help
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if (Feature == "+help")
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Help(CPUTable, CPUTableSize, FeatureTable, FeatureTableSize);
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return Help(CPUTable, CPUTableSize, FeatureTable, FeatureTableSize);
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// Find feature in table.
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const SubtargetFeatureKV *FeatureEntry =
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