[PATCH] D11815: Pass subtarget feature "force-align-stack"

[Akira Hatanaka via cfe-commits]

ahatanak updated this revision to Diff 33456.
ahatanak added a comment.

This updated patch changes the handling of driver option -mstackrealign/-mno-stackrealign. -mno-stackrealign no longer indicates stack realignment should be disallowed and clang no longer attaches function attribute "no-realign-stack". The option is only used to cancel -mstackrealign on the command line. The cc1 option "-mstackrealign" now means "force stack realignment" rather than "allow stack realignment" and causes function attribute "stackrealign" to be attached to the functions in the IR.


http://reviews.llvm.org/D11815

Files:
  include/clang/Frontend/CodeGenOptions.def
  lib/CodeGen/CGCall.cpp
  lib/Driver/Tools.cpp
  test/CodeGen/stackrealign.c
  test/Driver/rewrite-legacy-objc.m
  test/Driver/rewrite-objc.m
  test/Driver/stackrealign.c

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