Alexander Potapenko 7f270fcf0a [MSan] store origins for variadic function parameters in __msan_va_arg_origin_tls ... Add the __msan_va_arg_origin_tls TLS array to keep the origins for variadic function parameters. Change the instrumentation pass to store parameter origins in this array. This is a reland of r341528. test/msan/vararg.cc doesn't work on Mips, PPC and AArch64 (because this patch doesn't touch them), XFAIL these arches. Also turned out Clang crashed on i80 vararg arguments because of incorrect origin type returned by getOriginPtrForVAArgument() - fixed it and added a test. llvm-svn: 341554		2018-09-06 15:14:36 +00:00
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vararg-too-large.ll	…
vararg.ll	…
vararg_call.ll	[MSan] store origins for variadic function parameters in __msan_va_arg_origin_tls	2018-09-06 15:14:36 +00:00