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authorDavid Blaikie <dblaikie@gmail.com>2012-01-17 04:43:56 +0000
committerDavid Blaikie <dblaikie@gmail.com>2012-01-17 04:43:56 +0000
commitb48ed1a4cb032b4cfe7d97db1d1429d1aa4a9860 (patch)
treebfb3f84244d2929074d6b4247ed5c3c15e0732d2 /llvm/lib/Support/Host.cpp
parentcbda0e255ddec6638182b38e7c85e0ecefe7203c (diff)
downloadbcm5719-llvm-b48ed1a4cb032b4cfe7d97db1d1429d1aa4a9860.tar.gz
bcm5719-llvm-b48ed1a4cb032b4cfe7d97db1d1429d1aa4a9860.zip
Remove unreachable code. (replace with llvm_unreachable to help GCC where necessary)
llvm-svn: 148284
Diffstat (limited to 'llvm/lib/Support/Host.cpp')
-rw-r--r--llvm/lib/Support/Host.cpp9
1 files changed, 8 insertions, 1 deletions
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index 3f3cdca27f0..0f0696438ca 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -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,
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