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Author SHA1 Message Date
NAKAMURA Takumi 78ee1e5be4 clang/test/Driver/stackrealign.c REQUIRES clang-driver. 
GCC driver, for example cygwin, both "-mstackrealign" "-mno-stackrealign" are passed.

llvm-svn: 247496
 2015-09-12 01:29:35 +00:00
Akira Hatanaka aecca041c9 Record function attribute "stackrealign" instead of using backend option 
-force-align-stack.

Also, make changes to the driver so that -mno-stack-realign is no longer
an option exposed to the end-user that disallows stack realignment in
the backend.

Differential Revision: http://reviews.llvm.org/D11815

llvm-svn: 247451
 2015-09-11 18:55:09 +00:00
Nick Lewycky f4d3f7a0b9 Stack realignment is a tristate. Add -mno-stackrealign to turn off all stack 
realignment, even with locals with alignment exceeding the ABI guarantee.

llvm-svn: 145909
 2011-12-06 03:33:03 +00:00