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22402 Commits

Author SHA1 Message Date
Evan Cheng ddc58ff92a Smaller function alignment when optimizing for size. 
llvm-svn: 48805
 2008-03-25 22:29:46 +00:00
Evan Cheng 88c44ef91f Rename option -optimizefor-size to -optimize-size. 
llvm-svn: 48804
 2008-03-25 22:28:39 +00:00
Owen Anderson 9f129318dc Remove some debugging code. 
llvm-svn: 48803
 2008-03-25 22:26:43 +00:00
Owen Anderson 1d46d45e35 StrongPHIElimination doesn't support swapping live intervals like the coalescer does. 
llvm-svn: 48802
 2008-03-25 22:25:27 +00:00
Dan Gohman c60c67fc37 Add explicit keywords. 
llvm-svn: 48801
 2008-03-25 22:06:05 +00:00
Dan Gohman bdc24adaaf A quick nm audit turned up several fixed tables and objects that were 
marked read-write. Use const so that they can be allocated in a
read-only segment.

llvm-svn: 48800
 2008-03-25 21:45:14 +00:00
Dan Gohman a7ba51f6ec Avoid outputing spaces at the ends of lines. 
llvm-svn: 48797
 2008-03-25 21:38:12 +00:00
Devang Patel 72cfe84f05 Do not align loops if optimizing for size. 
llvm-svn: 48794
 2008-03-25 21:03:02 +00:00
Devang Patel 246a52740b Add optimize-for-size knob. 
llvm-svn: 48793
 2008-03-25 21:02:35 +00:00
Evan Cheng df1690dc7c Handle a special case xor undef, undef -> 0. Technically this should be transformed to undef. But this is such a common idiom (misuse) we are going to handle it. 
llvm-svn: 48792
 2008-03-25 20:08:07 +00:00
Evan Cheng 2b72c05992 Handle a special case xor undef, undef -> 0. Technically this should be transformed to undef. But this is such a common idiom (misuse) we are going to handle it. 
llvm-svn: 48791
 2008-03-25 20:07:13 +00:00
Dan Gohman fd227e9c3a Fix typos. 
llvm-svn: 48779
 2008-03-25 17:10:29 +00:00
Dan Gohman 883cbfd0ba Add CMP32mr and friends to the load-unfolding table. Among 
other things, this allows the scheduler to unfold a load operand
in the 2008-01-08-SchedulerCrash.ll testcase, so it now successfully
clones the comparison to avoid a pushf+popf.

llvm-svn: 48777
 2008-03-25 16:53:19 +00:00
Bill Wendling 0ee1bd9588 Fix PR2062: Don't build Intrinsics.gen in the source directory. Do it in the 
object directory.

llvm-svn: 48766
 2008-03-25 09:12:48 +00:00
Evan Cheng 7d564c3b4a lastRegisterUse() should ignore identity copies. Those will be erased. 
llvm-svn: 48759
 2008-03-25 02:02:19 +00:00
Evan Cheng fe7610f37f Remove an unneeded test. 
llvm-svn: 48755
 2008-03-24 23:55:16 +00:00
Evan Cheng 50b536eef9 Add \t after .set. Fix by Jay Freeman. 
llvm-svn: 48753
 2008-03-24 23:36:49 +00:00
Evan Cheng 69a3f9c417 If the coalescer commuted a def MI to allow coalescing, it can changed a previously coalesced copy into an non-identity copy. 
llvm-svn: 48752
 2008-03-24 23:31:21 +00:00
Evan Cheng 6e225173c5 Add an assertion to catch register of illegal class. 
llvm-svn: 48751
 2008-03-24 23:28:21 +00:00
Bill Wendling 6306183df3 Use the bit size of the operand instead of the hard-coded 32 to generate the 
mask.

llvm-svn: 48750
 2008-03-24 23:16:37 +00:00
Evan Cheng 615488ab45 - SSE4.1 extractfps extracts a f32 into a gr32 register. Very useful! Not. Fix the instruction specification and teaches lowering code to use it only when the only use is a store instruction. 
llvm-svn: 48746
 2008-03-24 21:52:23 +00:00
Owen Anderson c905fe9407 Revert r48676. I had plans for using it, but now it's just dead code. 
llvm-svn: 48743
 2008-03-24 21:29:58 +00:00
Owen Anderson e2707768a4 Remove #include<iostream>, which I was using for debugging. 
llvm-svn: 48739
 2008-03-24 20:36:47 +00:00
Devang Patel a38f58aa5c Add incoming value from header only if phi node has any use inside the loop. 
llvm-svn: 48738
 2008-03-24 20:16:14 +00:00
Dan Gohman aa583d75b1 Shrink the size of AllocationInst by using its SubclassData 
field to store the alignment value instead of haing a
separate field.

llvm-svn: 48727
 2008-03-24 16:55:58 +00:00
Dan Gohman d8ea040c31 APIntify SelectionDAG's EXTRACT_ELEMENT code. 
llvm-svn: 48726
 2008-03-24 16:38:05 +00:00
Evan Cheng 3471ae8c5d Increasing the inline limit from (overly conservative) 200 to 300. Given each BB costs 20 and each instruction costs 5, 200 means a 4 BB function + 24 instructions (actually less because caller's size also contributes to it). 
Furthermore, double the limit when more than 10% of the callee instructions are vector instructions. Multimedia kernels tend to love inlining.

llvm-svn: 48725
 2008-03-24 06:37:48 +00:00
Evan Cheng 21a8e3d260 Temporarily disabling memset forming optimization. Add an option. 
llvm-svn: 48720
 2008-03-24 05:28:38 +00:00
Owen Anderson 200e57840e Be sure to remove intervals after we've joined them. Also, remove some duplicated code. 
With this pass, StrongPHIElim can compile very simple testcases correctly.  There's still a ways
to go before it's ready for prime time, though.

llvm-svn: 48719
 2008-03-24 04:11:27 +00:00
Evan Cheng c3cf9f872a Transform (zext (or (icmp), (icmp))) to (or (zext (cimp), (zext icmp))) if at least one of the (zext icmp) can be transformed to eliminate an icmp. 
llvm-svn: 48715
 2008-03-24 00:21:34 +00:00
Evan Cheng 58db865d6e Remove duplicated entries. 
llvm-svn: 48714
 2008-03-23 22:56:07 +00:00
Gordon Henriksen 07a45f4edb Objective Caml bindings for basic block, function, global, and arg iterators. 
llvm-svn: 48711
 2008-03-23 22:21:29 +00:00
Anton Korobeynikov 1fdd5e9133 Minor typo fixes. Also add another FIXME. 
llvm-svn: 48710
 2008-03-23 20:32:06 +00:00
Anton Korobeynikov d38b3fb127 Preserve calling convention during function cloning 
llvm-svn: 48708
 2008-03-23 16:03:00 +00:00
Anton Korobeynikov 17fb491469 Add license header 
llvm-svn: 48707
 2008-03-23 14:53:18 +00:00
Anton Korobeynikov 9f0e820fa3 Add Win64 compilation callback. This allows easy examples to be JITed on Win64! 
llvm-svn: 48706
 2008-03-23 14:44:32 +00:00
Anton Korobeynikov a347663762 Provide a JIT selector on win64 
llvm-svn: 48704
 2008-03-23 13:43:47 +00:00
Anton Korobeynikov 7574ead985 Hack out the PIC mode on Win64 targets. This needs to be investigated later. 
llvm-svn: 48703
 2008-03-23 13:41:18 +00:00
Anton Korobeynikov 4733e72a25 Code cleanup. Provide generic way of selecting JIT pointer bitwidth regardless 
of compiler used.

llvm-svn: 48702
 2008-03-23 13:40:45 +00:00
Anton Korobeynikov bd47269f13 Remove old-standing obsolete code. 
llvm-svn: 48701
 2008-03-23 12:32:54 +00:00
Anton Korobeynikov cec773d8e7 Honour built-in defines on win64 targets for automatically subtarget recognize. 
Force stack alignment to 16 bytes on win targets.

llvm-svn: 48695
 2008-03-22 21:18:22 +00:00
Anton Korobeynikov 07a789d2b5 Recognize "windows" in target triple, not only "win32" 
llvm-svn: 48694
 2008-03-22 21:12:53 +00:00
Anton Korobeynikov b86e0936f1 Add information about callee-saved registers on Win64 
llvm-svn: 48692
 2008-03-22 21:04:01 +00:00
Anton Korobeynikov 7f125b2ba5 Add convenient helper for win64 check. Simplify things slightly. 
llvm-svn: 48691
 2008-03-22 20:57:27 +00:00
Anton Korobeynikov 7b4f4e1a86 Initial support for Win64 calling conventions. Still in early state. 
llvm-svn: 48690
 2008-03-22 20:37:30 +00:00
Anton Korobeynikov 7ebdd255b5 Register EH frames emitted in JIT when using gcc unwinding runtime 
llvm-svn: 48688
 2008-03-22 08:53:09 +00:00
Anton Korobeynikov dd8c695746 Fix merge error 
llvm-svn: 48687
 2008-03-22 08:50:08 +00:00
Anton Korobeynikov 3f7fab913d Add testcase for prev. commit. Minor fixes 
llvm-svn: 48686
 2008-03-22 08:37:05 +00:00
Anton Korobeynikov 25b2e8203a Aliasing chains cleanups: update langref, add check into verifier 
llvm-svn: 48685
 2008-03-22 08:36:14 +00:00
Anton Korobeynikov 72d5d42dbc Support chained aliases for LLVM IR printing. This fixes PR2145 
llvm-svn: 48684
 2008-03-22 08:17:17 +00:00