[PATCH] Fix some more MCJIT PIC test XFAILs (for i386)

[Dimitry Andric]

Ping...

Lately, I consistently got these few MCJIT test failures while building for i386-unknown-freebsd10:

Failing Tests (4):
   LLVM :: ExecutionEngine/MCJIT/remote/test-global-init-nonzero-sm-pic.ll
   LLVM :: ExecutionEngine/MCJIT/remote/test-ptr-reloc-sm-pic.ll
   LLVM :: ExecutionEngine/MCJIT/test-global-init-nonzero-sm-pic.ll
   LLVM :: ExecutionEngine/MCJIT/test-ptr-reloc-sm-pic.ll

These were all of the form:

FAIL: LLVM :: ExecutionEngine/MCJIT/remote/test-global-init-nonzero-sm-pic.ll (38 of 71)
******************** TEST 'LLVM :: ExecutionEngine/MCJIT/remote/test-global-init-nonzero-sm-pic.ll' FAILED ********************
Script:
--
/home/dim/obj/llvm-189593M-trunk-freebsd10-i386-aconf-rel-1/Release+Asserts/bin/lli -use-mcjit -remote-mcjit -relocation-model=pic -code-model=small /share/dim/src/llvm/trunk/test/ExecutionEngine/MCJIT/remote/test-global-init-nonzero-sm-pic.ll > /dev/null
--
Exit Code: 1

Command Output (stderr):
--
warning: remote mcjit does not support lazy compilation
LLVM ERROR: Program used external function '_GLOBAL_OFFSET_TABLE_' which could not be resolved!

--

Similar to the other recent commits in this area, the 'i386' arch has to explicitly added to the XFAIL cases, as in the attached patch.

This patch also changes test/lit.cfg to match 'i386' in the target_triple setting when running with mcjit, and mangling -mcjit into the target triple, which seems to be the most logical thing to do.

-Dimitry

P.S.: Since you theoretically can also have 'i486', 'i586' etc as part of the target triple, maybe we should also add all of these, or just fold everything into 'x86'...

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