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35 Commits

Author SHA1 Message Date
Vikram S. Adve
cf911de3c6 Significant improvement: GEP used by a load or store no longer generates 
a separate ADD; instead just use the indexed load/store instruction!
Also, a bug fix: folding a GEP with a leading non-zero index with
its predecessor was incorrect: now it only happens if the predecessor
is pointing to an indexable type (aka SequentialType).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4168 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-14 16:30:55 +00:00
Vikram S. Adve
aebdbe6988 Bug fix in folding getElementPtr instructions: don't fold one into 
a predecessor if it has a non-zero first index and the predecessor
ends with a struct index.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3982 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-29 22:55:05 +00:00
Vikram S. Adve
1c10f17552 Sign-extend integer constants from original type size to 64 bits! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3958 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-27 14:26:20 +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
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
Chris Lattner
597f81fea2 Fix a bug I introduced into the code generator. :( 
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
106ff4551c - Change getelementptr instruction to use long indexes instead of uint 
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
Chris Lattner
0c4e886dbf - Renamed Type::isIntegral() to Type::isInteger() 
- 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
Vikram S. Adve
685133382d Moved code here to extract memory instruction indices and to check 
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
Chris Lattner
cc63f1c674 Eliminated the MemAccessInst class, folding contents into GEP class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3487 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-22 23:37:20 +00:00
Chris Lattner
035dfbe7f2 * Removed extraneous #includes 
* Fixed file headers to be consistent with the rest of LLVM
* Other minor fixes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3278 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-09 20:08:06 +00:00
Vikram S. Adve
1b51b1b4f9 Add function GetConstantValueAsUnsignedInt. 
Fix 2 bugs in FoldGetElemChain so index vector is not modified
when no GEPs are folded in, and so a hasLeadingZero is computed
only for the last folded GEP, not the one after that if any.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3244 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-04 20:49:49 +00:00
Chris Lattner
67fcce2b19 Remove unused vector 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3143 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-07-30 02:52:40 +00:00
Vikram S. Adve
36f0a9e5a6 Better folding getelementptr operations with mixed 
array and struct indexes.
Update operand values in CallArgsDescriptor (a new class)
when replacing constant values with immediates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2645 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-19 15:34:29 +00:00
Chris Lattner
9b625030c8 Replace all usages of Type::isPointerType with isa<PointerType> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2486 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-06 16:15:30 +00:00
Chris Lattner
c6f3ae5c66 Eliminate duplicate or unneccesary #include's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2397 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-29 17:42:12 +00:00
Chris Lattner
31bcdb822f Split ConstantVals.h into Constant.h and Constants.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2378 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-28 19:55:58 +00:00
Chris Lattner
2fbfdcffd3 Change references to the Method class to be references to the Function 
class.  The Method class is obsolete (renamed) and all references to it
are being converted over to Function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2144 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-07 20:49:59 +00:00
Vikram S. Adve
1792779edf Fix a bug in previous bug fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2069 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-03-31 18:56:51 +00:00
Vikram S. Adve
c941b87397 Major overhaul to FoldGetElemPtr to handle mixed array and struct refs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1968 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-03-24 03:37:53 +00:00
Vikram S. Adve
42f632041d Constants are now added to the constant pool only when a load 
instruction is actually generated for them.
Rename the different versions of SetMachineOperand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1903 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-03-18 03:33:43 +00:00
Chris Lattner
fb3b1ec982 * Switch over to cleaner TmpInstruction model 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1648 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-02-03 07:39:06 +00:00
Chris Lattner
697954c15d Changes to build successfully with GCC 3.02 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1503 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-01-20 22:54:45 +00:00
Vikram S. Adve
fa24897f9f Eliminate all uses of memInst->getIndicesBROKEN(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1485 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-12-15 00:36:32 +00:00
Chris Lattner
e9bb2df410 Rename ConstPoolVal -> Constant 
Rename ConstPool*   -> Constant*
Rename ConstPoolVals.h -> ConstantVals.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1407 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-12-03 22:26:30 +00:00
Chris Lattner
69a86e4e23 The old getIndices has been deprecated, because it no longer works. It now 
is named getIndicesBROKEN() and shall be removed when the codebase is updated
to not call it


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1338 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-11-26 16:56:19 +00:00
Vikram S. Adve
ecd5813639 Don't assume constant operand can only be in position 1! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1308 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-11-14 18:49:45 +00:00
Vikram S. Adve
9e29f78029 Idiotic error in last fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1306 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-11-14 17:55:02 +00:00
Vikram S. Adve
c811745156 Don't need to load a NULL pointer constant from memory! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1305 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-11-14 17:24:49 +00:00
Chris Lattner
65ea171409 Remove much cruft from the MemAccessInst instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1298 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-11-14 11:27:58 +00:00
Vikram S. Adve
be49526193 Major overhaul of stack frame management. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1185 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-11-08 04:47:06 +00:00
Chris Lattner
8e7f409169 Minor method rename 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1119 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-11-04 08:08:34 +00:00
Vikram S. Adve
94e40ef064 Record constants that need to be emitted in the assembly code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1010 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-10-28 21:46:23 +00:00
Vikram S. Adve
6d35326cd5 1. Add a bottom-up pass on BURG trees that is used to fix constant operands. 
Needs to be bottom up because constant values may be forward-substituted
   to their uses (i.e., into the parent in the BURG tree).
2. Move most of the constant-fixup code into machine-indepedent file
   InstrSelectionSupport.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@859 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-10-17 23:57:50 +00:00
Vikram S. Adve
a1d14f3555 Machine-independent code generation routines used in instruction 
selection.  These used to live in several different places before.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@719 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-10-10 20:50:43 +00:00