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5 Commits

Author SHA1 Message Date
Elena Demikhovsky
d29804f80d Prevent insertion of "vzeroupper" before call that preserves YMM registers, since a caller uses preserved registers across the call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175043 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-13 08:02:04 +00:00
Chad Rosier
1243922fc1 Remove the X86 Maximal Stack Alignment Check pass as it is no longer necessary. 
This pass was conservative in that it always reserved the FP to enable dynamic
stack realignment, which allowed the RA to use aligned spills for vector
registers.  This happens even when spills were not necessary.  The RA has 
since been improved to use unaligned spills when necessary.

The new behavior is to realign the stack if the frame pointer was already
reserved for some other reason, but don't reserve the frame pointer just
because a function contains vector virtual registers.

Part of rdar://12719844

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168627 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-26 22:55:05 +00:00
Elena Demikhovsky
4fe5405bdd Intel OCL built-ins calling conventions now support MacOS 32-bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168359 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-20 09:37:57 +00:00
Elena Demikhovsky
c0cd72204d The test avx-intel-ocl.ll failed. I can't reproduce on any of my machines. I added -mcpu flag, may be it will fix the problem 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166669 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-25 08:38:42 +00:00
Elena Demikhovsky
3575222175 Special calling conventions for Intel OpenCL built-in library. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166566 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-24 14:46:16 +00:00