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Author SHA1 Message Date
Manman Ren a2e9a98b06 TBAA: remove !tbaa from testing cases when they are not needed. 
This will make it easier to turn on struct-path aware TBAA since the metadata
format will change.

llvm-svn: 188944
 2013-08-21 22:20:53 +00:00
Jim Grosbach d69f3ed947 ARM: Clean up fast-isel machine verifier errors. 
Lots of machine verifier errors result from using a plain GPR regclass
for incoming argument copies. A more restrictive rGPR class is more
appropriate since it more accurately represents what's happening, plus
it lines up better with isel later on so the verifier is happier.
Reduces the number of ARM fast-isel tests not running with the verifier
enabled by over half.

rdar://12594152

llvm-svn: 188592
 2013-08-16 23:37:23 +00:00
Evan Cheng 68132d8093 ARM target code clean up. Check for iOS, not Darwin where it makes sense. 
llvm-svn: 146981
 2011-12-20 18:26:50 +00:00
Chad Rosier adfd200bcb Add support for Thumb load/stores with negative offsets. 
rdar://10412592

llvm-svn: 144565
 2011-11-14 20:22:27 +00:00