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Remove unreachable code. (replace with llvm_unreachable to help GCC where necessary)

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148284 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2012-01-17 04:43:56 +00:00
parent 21506061ef
commit fdebc38523
11 changed files with 11 additions and 15 deletions
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9
lib/Support/Host.cpp
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@ -61,6 +61,8 @@ static bool GetX86CpuIDAndInfo(unsigned value, unsigned *rEAX,
*rECX = registers[2];
*rEDX = registers[3];
return false;
#else
return true;
#endif
#elif defined(i386) || defined(__i386__) || defined(__x86__) || defined(_M_IX86)
#if defined(__GNUC__)
@ -87,9 +89,14 @@ static bool GetX86CpuIDAndInfo(unsigned value, unsigned *rEAX,
mov dword ptr [esi],edx
}
return false;
// pedantic #else returns to appease -Wunreachable-code (so we don't generate
// postprocessed code that looks like "return true; return false;")
#else
return true;
#endif
#endif
#else
return true;
#endif
}
static void DetectX86FamilyModel(unsigned EAX, unsigned &Family,