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Frederic Riss 11fcb49922 [Object] Search for architecures by name in MachOUniversalBinary::getObjectForArch()
The reason we need to search by name rather than by Triple::ArchType
is to handle subarchitecture correclty. There is no different ArchType
for the x86_64h architecture (it identifies itself as x86_64), or for
the various ARM subarches. The only way to get to the subarch slice
in an universal binary is to search by name.

This issue led to hard to debug and transient symbolication failures
in Asan tests (it mostly works, because the files are very similar).

This also affects the Profiling infrastucture as it is the other user
of that API.

Reviewers: samsonov, bogner

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10604

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240339 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-22 21:33:24 +00:00

16 lines
376 B
C

/* Compile with:
clang -arch armv7 -arch armv7m -arch armv7em -arch x86_64 -arch x86_64h -c
*/
#ifdef __x86_64h__
void x86_64h_function() {}
#elif defined(__x86_64__)
void x86_64_function() {}
#elif defined(__ARM_ARCH_7EM__)
void armv7em_function() {}
#elif defined(__ARM_ARCH_7M__)
void armv7m_function() {}
#elif defined(__ARM_ARCH_7A__)
void armv7_function() {}
#endif