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18635 Commits

Author SHA1 Message Date
Chris Lattner 7208616ec0 Implement xor.ll:test22 
llvm-svn: 21713
 2005-05-06 02:07:39 +00:00
Chris Lattner 4c2d3781aa implement and.ll:test30 and set.ll:test21 
llvm-svn: 21712
 2005-05-06 01:53:19 +00:00
Chris Lattner 8169e16268 new testcase for unneeded and 
llvm-svn: 21711
 2005-05-06 01:52:52 +00:00
Chris Lattner 838dae0991 new testcase 
llvm-svn: 21710
 2005-05-06 01:51:05 +00:00
Chris Lattner dd1e562ec3 implement or.ll:test20 
llvm-svn: 21709
 2005-05-06 00:58:50 +00:00
Chris Lattner ce8dd82d66 new testcase 
llvm-svn: 21708
 2005-05-06 00:58:09 +00:00
Misha Brukman 584ed83d4a * Order #includes alphabetically 
* Remove commented-out debug printouts

llvm-svn: 21707
 2005-05-05 23:45:17 +00:00
Misha Brukman c0aac8e858 Remove extra blank line 
llvm-svn: 21706
 2005-05-05 23:43:47 +00:00
Misha Brukman 3f670d29dc * Use consistent spacing for function arguments 
* Output single-character strings as chars

llvm-svn: 21705
 2005-05-05 22:38:21 +00:00
Misha Brukman 291f6b7223 Remove vim settings from source code; people should use llvm/utils/vim/vimrc 
llvm-svn: 21704
 2005-05-05 22:33:09 +00:00
Misha Brukman 08d66b4e10 Convert tabs to spaces 
llvm-svn: 21703
 2005-05-05 22:30:40 +00:00
Chris Lattner 4a454c80db new testcase for PR541 
llvm-svn: 21702
 2005-05-05 22:23:10 +00:00
Chris Lattner 1243e1c9f1 add support for undef values of opaque type, addressing PR541 
llvm-svn: 21701
 2005-05-05 22:21:19 +00:00
Chris Lattner 7ddaeb448b Add some extra checks. Opaque types don't have a null marker. 
llvm-svn: 21700
 2005-05-05 20:57:00 +00:00
Chris Lattner 2cc59a8066 new testcase 
llvm-svn: 21699
 2005-05-05 17:57:24 +00:00
Chris Lattner 7876156ba0 When hitting an unsupported intrinsic, actually print it 
Lower debug info to noops.

llvm-svn: 21698
 2005-05-05 17:55:17 +00:00
Andrew Lenharth 2dbbb3ab84 ctpop lowering in legalize 
llvm-svn: 21697
 2005-05-05 15:55:21 +00:00
Chris Lattner 807aa20f67 Fix a bug compimling Ruby, fixing this testcase: 
LowerSetJmp/2005-05-05-OldUses.ll

llvm-svn: 21696
 2005-05-05 15:47:43 +00:00
Chris Lattner fa58898845 new testcase for a bug Jim found 
llvm-svn: 21695
 2005-05-05 15:47:16 +00:00
Andrew Lenharth b8e94c3499 fix typo 
llvm-svn: 21693
 2005-05-04 19:25:37 +00:00
Andrew Lenharth aed06a0e92 Well, add support for ct* for 21264 only. 
21164 is broken until expand works.

llvm-svn: 21692
 2005-05-04 19:12:09 +00:00
Andrew Lenharth dd426dd04d Make promoteOp work for CT* 
Proof?

ubyte %bar(ubyte %x) {
entry:
        %tmp.1 = call ubyte %llvm.ctlz( ubyte %x )
        ret ubyte %tmp.1
}

==>

zapnot $16,1,$0
CTLZ $0,$0
subq $0,56,$0
zapnot $0,1,$0
ret $31,($26),1

llvm-svn: 21691
 2005-05-04 19:11:05 +00:00
Chris Lattner 809dfac421 Instcombine: cast (X != 0) to int, cast (X == 1) to int -> X iff X has only the low bit set. 
This implements set.ll:test20.

This triggers 2x on povray, 9x on mesa, 11x on gcc, 2x on crafty, 1x on eon,
6x on perlbmk and 11x on m88ksim.

It allows us to compile these two functions into the same code:

struct s { unsigned int bit : 1; };
unsigned foo(struct s *p) {
  if (p->bit)
    return 1;
  else
    return 0;
}
unsigned bar(struct s *p) { return p->bit; }

llvm-svn: 21690
 2005-05-04 19:10:26 +00:00
Chris Lattner 3538a4f6cc new testcase 
llvm-svn: 21689
 2005-05-04 19:05:02 +00:00
Reid Spencer 282d057485 Implement the IsDigitOptimization for simplifying calls to the isdigit 
library function:
  isdigit(chr) -> 0 or 1 if chr is constant
  isdigit(chr) -> chr - '0' <= 9 otherwise

Although there are many calls to isdigit in llvm-test, most of them are
compiled away by macros leaving only this:

2 MultiSource/Applications/hexxagon

llvm-svn: 21688
 2005-05-04 18:58:28 +00:00
Reid Spencer f9a4a9681d Make sure both optimization cases get tested. 
llvm-svn: 21687
 2005-05-04 17:45:10 +00:00
Reid Spencer 190bb26157 Add a test case for the IsDigitOptimization class. 
llvm-svn: 21686
 2005-05-04 17:34:55 +00:00
Andrew Lenharth 702859084b comment fix 
llvm-svn: 21685
 2005-05-04 15:56:34 +00:00
Andrew Lenharth dd9d3ac72b see if the legalize code propery compensates for the additional zeros introduced 
llvm-svn: 21684
 2005-05-04 15:51:07 +00:00
Reid Spencer e84ee1bcd0 Correct the descriptions of WHILE...END and RROT. Thanks to Lalo Martins 
for pointing out these errors.

llvm-svn: 21683
 2005-05-04 15:43:40 +00:00
Reid Spencer 7063d1aa71 WHILE does not "pop" a value, it "examines" to top of stack. Make this 
clear in the applicable comment.

llvm-svn: 21682
 2005-05-04 15:33:48 +00:00
Andrew Lenharth 6b551024ac added a use of ctpop to debug stuff with 
llvm-svn: 21681
 2005-05-04 15:20:16 +00:00
Andrew Lenharth 5be6f131e6 fixup argument 
llvm-svn: 21680
 2005-05-04 14:58:31 +00:00
Reid Spencer 1e520fd661 * Correct the function prototypes for some of the functions to match the 
actual spec (int -> uint)
* Add the ability to get/cache the strlen function prototype.
* Make sure generated values are appropriately named for debugging purposes
* Add the SPrintFOptimiation for 4 casts of sprintf optimization:
    sprintf(str,cstr) -> llvm.memcpy(str,cstr) (if cstr has no %)
    sprintf(str,"")   -> store sbyte 0, str
    sprintf(str,"%s",src) -> llvm.memcpy(str,src) (if src is constant)
    sprintf(str,"%c",chr) -> store chr, str   ; store sbyte 0, str+1

The sprintf optimization didn't fire as much as I had hoped:

  2 MultiSource/Applications/SPASS
  5 MultiSource/Benchmarks/McCat/18-imp
 22 MultiSource/Benchmarks/Prolangs-C/TimberWolfMC
  1 MultiSource/Benchmarks/Prolangs-C/assembler
  6 MultiSource/Benchmarks/Prolangs-C/unix-smail
  2 MultiSource/Benchmarks/mediabench/mpeg2/mpeg2dec

llvm-svn: 21679
 2005-05-04 03:20:21 +00:00
Misha Brukman 23e9f163ad Minor clean-ups 
llvm-svn: 21678
 2005-05-03 20:30:34 +00:00
Andrew Lenharth 1d463526b4 initial descriptions of count intrinsics 
llvm-svn: 21677
 2005-05-03 18:01:48 +00:00
Andrew Lenharth 5e177826fd Implement count leading zeros (ctlz), count trailing zeros (cttz), and count 
population (ctpop).  Generic lowering is implemented, however only promotion
is implemented for SelectionDAG at the moment.

More coming soon.

llvm-svn: 21676
 2005-05-03 17:19:30 +00:00
Reid Spencer f436286cf6 Fix this test to succeed even if "strchr" is on a call instruction. 
llvm-svn: 21675
 2005-05-03 17:09:38 +00:00
Reid Spencer a6bbd18023 Add a test case for SPrintFOptimization. 
llvm-svn: 21674
 2005-05-03 17:08:45 +00:00
Andrew Lenharth 38cc7bacb4 yea yea yea 
llvm-svn: 21673
 2005-05-03 17:00:48 +00:00
Andrew Lenharth 2e18c628c4 note the vararg change, and other stuff 
llvm-svn: 21672
 2005-05-03 16:59:09 +00:00
Andrew Lenharth bf50ff58ae pre add count tests 
llvm-svn: 21671
 2005-05-03 16:49:48 +00:00
Chris Lattner c22333348e fix a bug in the 1 index GEP handling code 
llvm-svn: 21670
 2005-05-03 16:44:45 +00:00
Reid Spencer 38cabd7265 Implement optimizations for the strchr and llvm.memset library calls. 
Neither of these activated as many times as was hoped:

strchr:
9 MultiSource/Applications/siod
1 MultiSource/Applications/d
2 MultiSource/Prolangs-C/archie-client
1 External/SPEC/CINT2000/176.gcc/176.gcc

llvm.memset:
no hits

llvm-svn: 21669
 2005-05-03 07:23:44 +00:00
Reid Spencer a064a84067 Add a test case for StrChrOptimizer for -simplify-libcalls 
llvm-svn: 21668
 2005-05-03 06:22:41 +00:00
Misha Brukman d317d937b2 Clean up and correct llvmc configurations for C and C++ 
llvm-svn: 21667
 2005-05-03 06:13:18 +00:00
Misha Brukman 18aa1d6438 std::string(NULL) does not a proper constructor make 
llvm-svn: 21666
 2005-05-03 06:10:51 +00:00
Chris Lattner 8298120f17 add direct support for making GEP instrs with one index 
llvm-svn: 21665
 2005-05-03 05:43:30 +00:00
Misha Brukman cc42755633 Omit periods at the end of command-line switch explanations for consistency 
llvm-svn: 21664
 2005-05-03 05:36:14 +00:00
Reid Spencer d18dbcbf4c A new test case for the LLVMMemSetOptimization. 
llvm-svn: 21663
 2005-05-03 04:00:24 +00:00