llvm-svn: 21670

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

llvm-svn: 21665

llvm-svn: 21662

strings passed to Statistic's constructor are not destructable. The stats
are printed during static destruction and the SimplifyLibCalls module was
getting destructed before the statistics.

llvm-svn: 21661

Unfortunately, this optimization didn't trigger on any llvm-test tests.

llvm-svn: 21660

  fprintf(F,"hello") -> fwrite("hello",strlen("hello"),1,F)
  fprintf(F,"%s","hello") -> fwrite("hello",strlen("hello"),1,F)
  fprintf(F,"%c",'x') -> fputc('c',F)

This optimization fires severals times in llvm-test:

313 MultiSource/Applications/Burg
302 MultiSource/Benchmarks/Prolangs-C/TimberWolfMC
189 MultiSource/Benchmarks/Prolangs-C/mybison
175 MultiSource/Benchmarks/Prolangs-C/football
130 MultiSource/Benchmarks/Prolangs-C/unix-tbl

llvm-svn: 21657

llvm-svn: 21655

amusing of course, because we will have to go back to those semantics soon

llvm-svn: 21654

llvm-svn: 21653

this constmul code is still buggy though, so beware. mul by 7427 is currently
broken, for example. will fix it when I get a moment :)

llvm-svn: 21652

testsuite, however 09-vor is still dead (hopefully for other reasons!)

llvm-svn: 21651

llvm-svn: 21647

Implement load.ll:test7

llvm-svn: 21645

llvm-svn: 21643

llvm-svn: 21642

Changed dependence analyzer to only use dep distances of 2 or less.
This is experimental.

Changed MSchedGraph to be able to represent more then one BB (first steps).

llvm-svn: 21641

But it is entirely possible I am just crazy.

llvm-svn: 21640

llvm-svn: 21639

llvm-svn: 21638

llvm-svn: 21637

was contributed by Morten Ofstad, with some minor tweaks and bug fixes added
by me.

llvm-svn: 21636

llvm-svn: 21634

llvm-svn: 21633

Morten Ofstad!

llvm-svn: 21632

llvm-svn: 21631

Morten Ofstad!

llvm-svn: 21630

llvm-svn: 21629

llvm-svn: 21627

  type be obtained from a CallInst we're optimizing.
* Make it possible for getConstantStringLength to return the ConstantArray
  that it extracts in case the content is needed by an Optimization.
* Implement the strcmp optimization
* Implement the toascii optimization

This pass is now firing several to many times in the following MultiSource
tests:

Applications/Burg      -   7 (strcat,strcpy)
Applications/siod      -  13 (strcat,strcpy,strlen)
Applications/spiff     - 120 (exit,fputs,strcat,strcpy,strlen)
Applications/treecc    -  66 (exit,fputs,strcat,strcpy)
Applications/kimwitu++ -  34 (strcmp,strcpy,strlen)
Applications/SPASS     - 588 (exit,fputs,strcat,strcpy,strlen)

llvm-svn: 21626

llvm-svn: 21618

are moved to simplify-libcalls pass.

llvm-svn: 21614

llvm-svn: 21612

  sinh, cosh, etc.
* Make the name comparisons for the fp libcalls a little more efficient by
  switching on the first character of the name before doing comparisons.

llvm-svn: 21611

llvm-svn: 21610

llvm-svn: 21609

llvm-svn: 21608

llvm-svn: 21607

llvm-svn: 21606

llvm-svn: 21605