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3abb95df01
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2051 Commits

Author SHA1 Message Date
Chris Lattner
3abb95df01 Minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3904 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-24 00:09:26 +00:00
Chris Lattner
d76efa0186 Add new BreakCriticalEdges pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3903 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-24 00:08:39 +00:00
Chris Lattner
5057b00faf Make users of FindUsedTypes not have problems with linkage. This fixes 
Cwriter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3900 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-24 00:07:21 +00:00
Chris Lattner
d06451f920 Optimize away cases like: 
%cast109 = cast uint %cast212 to short          ; <short> [#uses=1]
        %cast214 = cast short %cast109 to uint          ; <uint> [#uses=1]
        %cast215 = cast uint %cast214 to short          ; <short> [#uses=1]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3897 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-23 23:39:43 +00:00
Chris Lattner
e4314ed315 Fix: ConstantMerge/2002-09-23-CPR-Update.ll 
Basically, this bug boiled down to calling replaceUsesOfWith on a constant,
which changed it's shape in an illegal way.  This pass now goes through all
of the trouble neccesary to do the replacement on constants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3895 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-23 23:00:46 +00:00
Nick Hildenbrandt
c14ded4858 Parenthesis are now added to casts of type array. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3892 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-23 21:02:50 +00:00
Chris Lattner
c017d9132a * Fix bug: CorrelatedExprs/2002-09-23-PHIUpdateBug.ll 
* Make sure "Changed" is updated correctly


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3891 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-23 20:06:22 +00:00
Chris Lattner
d149c053cd Insert resolved constants into the global map so they are reused correctly. 
This bug was exposed linking the SPEC benchmark suite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3888 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-23 18:14:15 +00:00
Vikram S. Adve
1b5710a8fc Put intermediate source files in a subdirectory here instead of with 
object files.  Also,


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3884 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-23 13:12:28 +00:00
Vikram S. Adve
c308aefe92 Disable reassociation pass in LLC until it is fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3883 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-23 12:55:50 +00:00
Chris Lattner
bdccb00970 Don't insert a PHI node to merge "returns" from an inlined function if there 
is only a single return from the function!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3878 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-22 18:41:25 +00:00
Anand Shukla
c078930ee3 Changed codegen to add 2 empty slots at the top of stack using StackSlots pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3873 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-21 05:01:21 +00:00
Anand Shukla
33db9bae15 Initial version: it adds 2 empty slots at the top of stack 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3872 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-21 04:58:26 +00:00
Chris Lattner
d1cf1b458a Fix cwriter to not output FP constants in ascii, output them in hex instead. 
This fixes a number of FP precision problems, making the output of the
power benchmark closer to the right answer.

Unfortunately, this only addresses FP constants used directly in functions.
Constants referred to by global constants (such as an array of FP values)
aren't helped by this.  Until this happens power won't work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3871 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 23:26:33 +00:00
Chris Lattner
1f8c4a17c1 Fix bug: 2002-09-20-VarArgPrototypes.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3870 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 22:32:30 +00:00
Anand Shukla
4f2d5a4d76 Changed uchar to unsigned char in function ParseBytecodeBuffer, because seemingly it affects opt in uncertain ways :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3866 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 20:57:54 +00:00
Anand Shukla
590df88d82 Added checking threshold 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3864 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 16:44:35 +00:00
Chris Lattner
270d78a8d6 Fix output of typedefs to avoid syntax errors. 
* We now can correctly Cify the Olden-power benchmark


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3860 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 15:20:24 +00:00
Chris Lattner
58d04d4e35 * Add a couple of comments to the output c code 
* _FIX_ infinite recursion problem, due to typedefs of a structure being
  printed before the structure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3859 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 15:18:30 +00:00
Chris Lattner
2db41cd5de Another change that doesn't affect functionality. Since we are only looking 
at types in the symbol table, only traverse the type plane, saving a loop nest.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3858 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 15:12:13 +00:00
Chris Lattner
2c601a7be1 Make the StructPrinted set only take memory when it's being used. 
rename parseStruct to printContainedStructs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3857 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 15:05:40 +00:00
Chris Lattner
a4c047ec27 No functionality changes, primarily just changing tab indentation to space 
indentation


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3856 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-20 14:56:54 +00:00
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