Vikram S. Adve
e5b2565a02
Add peephole optimization pass at the end of code generation.
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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
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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
32f81a3469
Allow copy coalescing in more cases: if sum of node degrees is more than
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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.
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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
abf055c698
Moving these files from Code/PreSelection to here.
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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
Anand Shukla
b379470b90
Removed debug info printing
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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
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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
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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
e102a64beb
Use ulong instead of uint for size expressions.
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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.,
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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
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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
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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
fd0ec80197
Add a version of ChooseRegOrImmed to handle numerical constants
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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
9d6f13f34b
No longer need to sign-extend array indices to 64 bits since they
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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.
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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
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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
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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.
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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.
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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.
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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
Vikram S. Adve
7c26898401
Moving to lib/CodeGen/RegAlloc.
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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
3f93eeedbd
Again, including Module makes Function unnecessary.
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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
Chris Lattner
59afbf3999
Fix a bug introduced by the Getelementptr change
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3695 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-12 20:34:47 +00:00
Chris Lattner
597f81fea2
Fix a bug I introduced into the code generator. :(
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3694 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-12 20:27:10 +00:00
Chris Lattner
0374b8de2b
- Change getelementptr instruction to use long indexes instead of uint
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indexes for sequential types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3683 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-11 01:21:35 +00:00
Chris Lattner
3cac88ac9e
- Change getelementptr instruction to use long indexes instead of uint
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indexes for sequential types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3682 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-11 01:21:33 +00:00
Chris Lattner
106ff4551c
- Change getelementptr instruction to use long indexes instead of uint
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indexes for sequential types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3681 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-11 01:21:29 +00:00
Vikram S. Adve
ec7f482d90
Silly bug fix: Machine code vector could be empty for a no-op cast instruction,
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e.g., cast double to double.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3633 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-09 14:54:21 +00:00
Chris Lattner
823c4abb58
Make sure the leakdetector is told about temporary Phi nodes also, so it doesn't
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erroneously report them as leaks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3624 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-08 21:19:29 +00:00
Chris Lattner
a175ed4194
Inform the memory leak detector that TmpInstruction objects should not be
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subject to memory leak checking.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3623 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-08 21:08:43 +00:00
Vikram S. Adve
f36f06bb60
Add new function UltraSparcInstrInfo::CreateZeroExtensionInstructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3581 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-05 18:34:31 +00:00
Vikram S. Adve
84c0fcbde4
Bug fixes in casting between floats and ints smaller than 64 bits.
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Add UltraSparcInstrInfo::CreateZeroExtensionInstructions to help with that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3580 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-05 18:33:59 +00:00
Vikram S. Adve
babc0fab19
-- Use size of pointer element type instead of pointer type in array offsets!
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-- A few bug fixes in casting between floats and ints.
-- Use SRL reg, 0 instead of AND reg, 0xffffffff to clear high 32 bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3579 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-05 18:32:13 +00:00
Vikram S. Adve
537a877998
-- Bug fix: use byte offsets not typed offsets in output assembly!
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-- Add support for ConstantExpr constants (only cast and add operators so far)
-- Avoid generating label Bbss.bss, which sometimes came out twice.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3578 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-05 18:28:10 +00:00
Chris Lattner
0c4e886dbf
- Renamed Type::isIntegral() to Type::isInteger()
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- Added new method Type::isIntegral() that is the same as isInteger, but
also accepts bool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3574 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-03 01:08:28 +00:00
Chris Lattner
0e9f93ea37
- Fix bug: test/Regression/CBackend/2002-08-20-RecursiveTypes.ll
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- Converted CWriter to be an LLVM pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3558 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-31 00:29:16 +00:00
Anand Shukla
b85d265b16
moved this file from lib/Reoptimizer/Mapping
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3519 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-27 22:47:33 +00:00
Anand Shukla
5993829fbd
Added getFunctionInfo and MappingInfoForFunction pass, and fixed the earlier error in compiling
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3513 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-27 16:45:17 +00:00
Chris Lattner
fabc8803a3
Fix bug: test/Regression/CBackend/2002-08-26-IndirectCallTest.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3511 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-26 20:50:09 +00:00
Vikram S. Adve
969c4ad65d
Fix the way parens are printed around "*ptrName" so that
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no parens are printed around *, **, ... alone, except if
it is a pointer type for which no name should be printed,
as in the result of a cast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3506 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-25 20:00:08 +00:00
Vikram S. Adve
74c83e44fa
Use newly-added type inspection support in InstTreeNode subclasses.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3501 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-24 21:02:09 +00:00
Vikram S. Adve
685133382d
Moved code here to extract memory instruction indices and to check
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whether FoldGetElemNodes should be called. This is machine-independent
but was in the Sparc directory. This is in a new function: GetMemInstArgs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3500 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-24 21:00:08 +00:00
Vikram S. Adve
f28d9d643e
LoadIdx non-terminal no longer needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3499 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-24 20:58:04 +00:00
Vikram S. Adve
8cfffd3a3e
Sign-extend values used to index arrays (and Simplify
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SetOperandsForMemInstr significantly). Load and Store
no longer have any indices. Eliminate spurious sign-extension
on a cast to float/double.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3498 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-24 20:56:53 +00:00
Vikram S. Adve
f519b999a6
Fix sign-extension: it needs to happen *after* multiplying by type size.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3497 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-24 14:44:58 +00:00
Vikram S. Adve
42eb2bae8e
Sign-extend array index expressions to work correctly on non-32 bit machines.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3496 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-24 14:44:23 +00:00
Anand Shukla
ed0f1c5285
Changed default value of 3rd parameter in function definition
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3492 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-23 10:55:49 +00:00
Anand Shukla
6656c43ac7
Added #include <alloca.h>
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3491 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-23 10:54:26 +00:00
Vikram S. Adve
cfa4f4a102
Simplify previous hack slightly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3490 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-23 03:21:01 +00:00
Vikram S. Adve
69f3b72594
Force sign-extension for uint array indexes from 32-bit to 64-bits
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since uint is not normally sign-extended when casting to uint64_t.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3489 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-23 02:55:51 +00:00