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13 Commits

Author SHA1 Message Date
Jim Grosbach 3af6fe66b9 Clean up ARM tail calls a bit. They're pseudo-instructions for normal branches. 
Also more cleanly separate the ARM vs. Thumb functionality. Previously, the
encoding would be incorrect for some Thumb instructions (the indirect calls).

llvm-svn: 127637
 2011-03-15 00:30:40 +00:00
Anton Korobeynikov e7410dd0d5 Preliminary support for ARM frame save directives emission via MI flags. 
This is just very first approximation how the stuff should be done
(e.g. ARM-only for now). More to follow.

llvm-svn: 127101
 2011-03-05 18:43:32 +00:00
Evan Cheng a921dc5860 Fix typo. 
llvm-svn: 126467
 2011-02-25 01:29:29 +00:00
Evan Cheng 70d29634a9 Each prologue may have multiple vpush instructions to store callee-saved 
D registers since the vpush list may not have gaps. Make sure the stack
adjustment instruction isn't moved between them. Ditto for vpop in
epilogues.

Sorry, can't reduce a small test case.
rdar://9043312

llvm-svn: 126457
 2011-02-25 00:24:46 +00:00
Bob Wilson 9cd0b581b8 Remove unused bitvectors that record ARM callee-saved registers. 
llvm-svn: 125534
 2011-02-14 23:40:38 +00:00
Evan Cheng d6093ff4cb Don't merge restore with tail call instruction. 
llvm-svn: 124167
 2011-01-25 01:28:33 +00:00
Jeffrey Yasskin 249fcd4499 Remove unused variables found by gcc-4.6's -Wunused-but-set-variable. 
llvm-svn: 123707
 2011-01-18 00:51:23 +00:00
Evan Cheng 572756ac11 Spill R4 if it's going to be used to restore SP from FP. 
llvm-svn: 123567
 2011-01-16 05:14:33 +00:00
Jakob Stoklund Olesen 4bc5e38960 Teach frame lowering to ignore debug values after the terminators. 
llvm-svn: 123399
 2011-01-13 21:28:52 +00:00
Bob Wilson 657f227d08 Tidy comments, indentation, and 80-column violations. 
llvm-svn: 123397
 2011-01-13 21:10:12 +00:00
Evan Cheng e45d685895 Clean up ARM subtarget code by using Triple ADT. 
llvm-svn: 123276
 2011-01-11 21:46:47 +00:00
Eric Christopher d5bbeba8d0 Expand on the safeness of restoring the sp from the fp a bit more. 
llvm-svn: 123193
 2011-01-10 23:10:59 +00:00
Anton Korobeynikov 2f93128109 Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
llvm-svn: 123170
 2011-01-10 12:39:04 +00:00