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2029 Commits

Author SHA1 Message Date
Vikram S. Adve
0efb50761d Add method IGNode::getCombinedDegree to count the sum of the degrees 
of two nodes, excluding duplicates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3848 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 00:55:04 +00:00
Vikram S. Adve
57e14bd757 Add PostOpts/ and rename PreSelection/ to PreOpts/. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3847 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 00:53:53 +00:00
Vikram S. Adve
e5b2565a02 Add peephole optimization pass at the end of code generation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3846 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 00:52:43 +00:00
Vikram S. Adve
d55697cf13 Added class MachineOptInfo as interface to target-specific 
routines supporting machine code optimization.
Also added method MachineInstrInfo::getNOPOpCode().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3845 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 00:52:09 +00:00
Vikram S. Adve
e8b57ef260 Add method MachineInstr::replace to rewrite a machine instruction in place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3843 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 00:47:49 +00:00
Vikram S. Adve
32f81a3469 Allow copy coalescing in more cases: if sum of node degrees is more than 
than #available regs, compute the sum excluding duplicates and if that
is less than #regs, go ahead and coalesce.
Add method IGNode::getCombinedDegree to count excluding duplicates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3842 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 00:45:47 +00:00
Vikram S. Adve
25d80cdcc6 Peephole optimization pass on final machine code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3840 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 00:42:11 +00:00
Vikram S. Adve
fafda59f08 Files moved to CodeGen/PreOpts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3839 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 00:30:46 +00:00
Vikram S. Adve
abf055c698 Moving these files from Code/PreSelection to here. 
Original logs for PreSelection.cpp:

  revision 1.2
  date: 2002/09/17 23:50:32;  author: lattner;  state: Exp;  lines: +1 -3
  Don't put default parameter values into .cpp files, it breaks 3.x compilers

  revision 1.1
  date: 2002/09/16 15:31:13;  author: vadve;  state: Exp;
  New preselection pass that specializes LLVM code for a target machine,
  while remaining in legal portable LLVM form and preserving type
  information and type safety.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3838 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 00:29:28 +00:00
Chris Lattner
3f6962e088 Add an optimization to support the most common access pattern for the 
library.  This speeds debug builds up significantly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3826 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-19 19:22:11 +00:00
Chris Lattner
3e1f144a1d Make sure that we abort if an error happens as early as neccesary. Before 
it was possible for the passmanager to continue running passes after the
verifier even if the module was not well formed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3820 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-19 16:12:19 +00:00
Anand Shukla
6689b06697 split retracing into a separate file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3809 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-18 03:55:26 +00:00
Chris Lattner
ec9962e44a Compile sub-directories in parallel, because they don't have interdependencies 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3808 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-18 03:25:58 +00:00
Misha Brukman
bfb472447e Removed unnecessary #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3802 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-18 02:07:57 +00:00
Misha Brukman
5f41748e1a Fixed typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3801 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-18 00:42:45 +00:00
Chris Lattner
5fda99744e Don't put default parameter values into .cpp files, it breaks 3.x compilers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3799 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-17 23:50:32 +00:00
Chris Lattner
cb16c65426 There is a #define in some header that conflicts with INFINITY, rename it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3797 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-17 23:46:33 +00:00
Chris Lattner
dfcbf01222 Fix bug: test/Regression/Transforms/InstCombine/2002-09-17-GetElementPtrCrash.ll 
Thanks to Casey for finding it!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3783 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-17 21:05:42 +00:00
Anand Shukla
b379470b90 Removed debug info printing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3778 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-17 20:24:46 +00:00
Chris Lattner
82f05d8610 Add support for GCC 2.96 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3777 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-17 17:23:09 +00:00
Vikram S. Adve
913bfbc2e4 Don't print global variable definitions twice! Sun's pathetic compiler 
never complained about this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3774 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-17 11:50:38 +00:00
Vikram S. Adve
d9bacc5a84 Remove specification of argument default from cpp file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3772 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-17 01:17:57 +00:00
Chris Lattner
dbcbe3f7e8 Fix FunctionInlining pass assertion failure: 
ilist:104: failed assertion `Traits::getNext(NodePtr) != 0 && "Dereferencing end()!"'


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3768 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 22:30:20 +00:00
Chris Lattner
8e2e5f74da Fix: test/Regression/LLC/badidx.c problem 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3763 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 18:32:33 +00:00
Vikram S. Adve
c7a6d24cef Extract most of the transformation into an externally accessible 
function -- DecomposeArrayRef(GetElementPtrInst* GEP) -- that can
be invoked on a single instruction at a time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3755 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 16:40:07 +00:00
Vikram S. Adve
e102a64beb Use ulong instead of uint for size expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3744 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 15:56:45 +00:00
Vikram S. Adve
4900116ab0 Add methods to query about the representation of LLVM quantities (e.g., 
constants).  Useful for target-dependent LLVM transformations like
Preselection.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3743 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 15:56:01 +00:00
Vikram S. Adve
13f1d71c80 Don't print out global names unnecesssarily. Also, expose pass 
constructors so passes can be inserted by TargetMachine.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3742 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 15:54:02 +00:00
Vikram S. Adve
e1f7280bf8 Move all the code that creates code generation passes from Sparc.cpp to 
TargetMachine.cpp, since it is entirely machine-independent.
Also, add options to disable optional back-end passes (preselection and
instr. scheduling).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3740 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 15:39:26 +00:00
Vikram S. Adve
00020d3d01 Add subdirectory PreSelection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3739 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 15:32:07 +00:00
Vikram S. Adve
7f90ea209a New preselection pass that specializes LLVM code for a target machine, 
while remaining in legal portable LLVM form and preserving type
information and type safety.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3738 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 15:31:13 +00:00
Vikram S. Adve
8c6936a58b Dump routine now writes out allocated register numbers if available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3737 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 15:18:53 +00:00
Vikram S. Adve
1318bed20c Improve and fix error in allocating stack slots: adjust alignment after adding 
base address of the relevant region (instead of assuming that each region
is maximally aligned).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3736 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 15:18:16 +00:00
Vikram S. Adve
fd0ec80197 Add a version of ChooseRegOrImmed to handle numerical constants 
introduced by InstrSelection.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3735 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 15:15:57 +00:00
Vikram S. Adve
87fbcd99b4 Add an assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3734 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 15:13:59 +00:00
Anand Shukla
6641995564 Incorporated changes in alloca and getElementPointer instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3733 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 05:26:51 +00:00
Anand Shukla
ada50a5c1d Incorporated changes in alloca instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3732 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-16 05:24:49 +00:00
Vikram S. Adve
9d6f13f34b No longer need to sign-extend array indices to 64 bits since they 
are now longs and not unsigned ints.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3731 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-15 21:51:04 +00:00
Vikram S. Adve
993243e599 Fix typos in previous checkin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3726 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-15 15:33:48 +00:00
Chris Lattner
4bc2348008 RegAllocCommon no longer includes CommandLine.h so we have to include it 
here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3725 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-15 07:07:55 +00:00
Vikram S. Adve
39c94e105f Break RA_DEBUG option into several levels to get better control over 
debug output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3724 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-14 23:05:33 +00:00
Vikram S. Adve
521758fb79 Remove unnecessary include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3723 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-14 23:04:52 +00:00
Vikram S. Adve
7e914a967d Break RA_DEBUG option into several levels to get better output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3722 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-14 22:18:37 +00:00
Nick Hildenbrandt
67aa2e235d Fixed problem with printing struct definitions in the correct order. 
This allows for the Regression/Transforms/ScalarReplacement/scalarize.c to run correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3721 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-14 21:36:24 +00:00
Chris Lattner
b2a0fbea11 Fix bug I introduced 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3719 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-14 19:33:16 +00:00
Vikram S. Adve
7c26898401 Moving to lib/CodeGen/RegAlloc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3718 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-14 11:57:17 +00:00
Misha Brukman
655fb5c817 Function.h is unnecessary when Module.h is included. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3716 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-14 03:04:02 +00:00
Misha Brukman
a6d0975679 On the quest of eliminating unnecessary includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3715 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-14 02:18:57 +00:00
Misha Brukman
3f93eeedbd Again, including Module makes Function unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3714 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-14 02:07:43 +00:00
Misha Brukman
520eaff91a Following Chris's advice, I'm pruning some unnecessary .h includes that I'm 
noticing. Since Module includes Function, and eventually, BasicBlock and
GlobalVariable, the last three are unnecessary to be included directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3713 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-14 02:06:53 +00:00