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Silence static analyzer warnings in LLVMSupport.
The static analyzer catches a few potential bugs in LLVMSupport. Add in asserts to silence the warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224044 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -323,6 +323,7 @@ static inline bool ProvideOption(Option *Handler, StringRef ArgName,
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if (i+1 >= argc)
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return Handler->error("requires a value!");
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// Steal the next argument, like for '-o filename'
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assert(argv && "null check");
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Value = argv[++i];
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}
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break;
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@ -356,6 +357,7 @@ static inline bool ProvideOption(Option *Handler, StringRef ArgName,
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while (NumAdditionalVals > 0) {
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if (i+1 >= argc)
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return Handler->error("not enough values!");
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assert(argv && "null check");
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Value = argv[++i];
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if (CommaSeparateAndAddOccurrence(Handler, i, ArgName, Value, MultiArg))
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@ -169,6 +169,8 @@ static std::string toStringAPFloat(uint64_t D, int E, unsigned Precision) {
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int Shift = 63 - (NewE - E);
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assert(Shift <= LeadingZeros);
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assert(Shift == LeadingZeros || NewE == ScaledNumbers::MaxScale);
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assert((Shift & (1u << std::numeric_limits<int>::digits)) == 0 &&
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"undefined behavior");
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D <<= Shift;
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E = NewE;
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