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Author SHA1 Message Date
David Blaikie a953f2825b Update Clang tests to handle explicitly typed load changes in LLVM. 
llvm-svn: 230795
 2015-02-27 21:19:58 +00:00
David Blaikie 218b783192 Update Clang tests to handle explicitly typed gep changes in LLVM. 
llvm-svn: 230783
 2015-02-27 19:18:17 +00:00
Rafael Espindola 0a500af186 Correctly Load Mixed FP-GP Variadic Arguments for x86-64. 
According to the x86-64 ABI, structures with both floating point and
integer members are split between floating-point and general purpose
registers, and consecutive 32-bit floats can be packed into a single
floating point register.

In the case of variadic functions these are stored to memory and the position
recorded in the va_list. This was already correctly implemented in
llvm.va_start.

The problem is that the code in clang for implementing va_arg was reading
floating point registers from the wrong location.

Patch by Thomas Jablin.

Fixes PR20018.

llvm-svn: 211626
 2014-06-24 20:01:50 +00:00