Chris Lattner
22116975ce
- implemented instcombine of phi (X, X, X) -> X
...
llvm-svn: 3397
2002-08-20 15:35:35 +00:00
Chris Lattner
69a443b356
Implement ConstantExprs in CWriter
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llvm-svn: 3394
2002-08-19 23:09:46 +00:00
Chris Lattner
ddd1d61b21
Incorporate calcTypeNameVar into CWriter class, fixing
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test/Regression/CBackend/2002-08-19-FunctionPointer.c in the process
llvm-svn: 3392
2002-08-19 22:17:53 +00:00
Chris Lattner
b6818687da
Output forward definitions of global vars to handle recursive intializers correctly.
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llvm-svn: 3391
2002-08-19 21:48:40 +00:00
Chris Lattner
fc62e1bdb1
- Change constant printing to be better integrated with the rest of the
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CWriter class. Write directly to stream instead of building a big
string, then writing it out.
- Implement printing of ConstantPointerRefs
llvm-svn: 3389
2002-08-19 21:32:41 +00:00
Chris Lattner
85290b6ab3
Add missing space
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llvm-svn: 3387
2002-08-19 20:42:12 +00:00
Chris Lattner
ebf7d3b8ff
Fix bug: test/Regression/Assembler/2002-08-19-BytecodeReader.llx
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llvm-svn: 3384
2002-08-19 16:48:21 +00:00
Chris Lattner
fe91f23c6d
Fix the -time-passes option to not print NaN when there is zero execution time
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llvm-svn: 3382
2002-08-19 15:43:33 +00:00
Chris Lattner
289ad0e1fd
- Made GlobalDCE worklist driven, making it more successful. Now can handle
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cases like: test/Regression/Transforms/GlobalDCE/2002-08-17-WorkListTest.ll
llvm-svn: 3381
2002-08-18 01:28:30 +00:00
Chris Lattner
45aae6cd96
- ConstantPointerRefs are now automatically removed from the module table
...
when they are destroyed, which makes Constant::destroyConstant an actually
useful external interface. Expose these methods publicly.
- Implement destroyConstant on ConstPointerNull so that destroyConstant can
be used on any derived type constant safely.
llvm-svn: 3379
2002-08-18 00:40:04 +00:00
Chris Lattner
8cc9a599b5
Turn off a debugging optimization that just slows bytecode reading down
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llvm-svn: 3377
2002-08-18 00:38:32 +00:00
Chris Lattner
143e810ca9
Add Module::dump() method
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llvm-svn: 3375
2002-08-17 23:32:47 +00:00
Chris Lattner
04d2780d12
Promote getelementptr instructions to constexprs if we can.
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llvm-svn: 3368
2002-08-17 22:21:59 +00:00
Chris Lattner
31188e9d7b
Fix stupid oversight of missing #include.
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llvm-svn: 3367
2002-08-17 22:02:41 +00:00
Chris Lattner
f3d49adf85
- Finally nailed: test/Regression/Assembler/2002-08-16-ConstExprInlined.llx
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- ParseConstantPool was resolving reference to value using the function
slot # instead of the global slot #.
- Bytecode reader changes:
- Remove the failure<> template from Bytecode Reader
- Remove extraneous #includes
- s/method/function/ a bit
- Eliminate the fwdRefs class that just added abstraction where it was not
needed, making things more complex.
- Use a vector instead of a list for function signatures.
llvm-svn: 3366
2002-08-17 22:01:27 +00:00
Chris Lattner
e63ef1c3ab
Changed parser to always use parenthesis on ConstExprs to be consistent
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llvm-svn: 3363
2002-08-16 21:17:11 +00:00
Chris Lattner
a2b28689a9
- Remove unused STRING token from lexer & parser
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- Changed parser to always use parenthesis on ConstExprs to be consistent
- Parser now passes TRUE and FALSE tokens as a special case of the ConstExpr
machinery instead of a special case of constant int stuff
- Fix the AsmParser to use ValueRef ::= ConstExpr, and remove
ResolvedVal ::= ConstExpr this allows constexprs to be used in PHI nodes
llvm-svn: 3362
2002-08-16 21:14:40 +00:00
Chris Lattner
0d1bc11665
Write constexpr casts using the cast X to Y notation, not using the implicit
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type result
llvm-svn: 3354
2002-08-15 19:37:43 +00:00
Chris Lattner
7cd8403f2b
Parse const expr cast instruction the same way the instruction is formed
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llvm-svn: 3353
2002-08-15 19:37:11 +00:00
Chris Lattner
8c5c0b9560
Move ConstExpr production to unify ConstVal stuff
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llvm-svn: 3351
2002-08-15 18:17:28 +00:00
Chris Lattner
971fa225af
Fix bug: test/Regression/Assembler/2002-08-15-UnresolvedGlobalReference.ll
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llvm-svn: 3350
2002-08-15 17:58:33 +00:00
Chris Lattner
4a542aeb38
Simplify the code
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llvm-svn: 3348
2002-08-15 16:15:36 +00:00
Chris Lattner
caaca8d4c9
Handle more cases of cast-of-cast in more general forms.
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llvm-svn: 3347
2002-08-15 16:15:25 +00:00
Vikram S. Adve
21b0deb4ab
Unary Not (boolean and bitwise) is no longer a separate LLVM instruction
...
but is instead implemented with XOR. Note that the InstrForest opLabels
for Not and BNot remain the same, i.e., the XOR is recognized and
represented as a (boolean or bitwise) Not when building the instruction
trees. But these tree nodes are now binary, not unary.
llvm-svn: 3343
2002-08-15 14:19:22 +00:00
Vikram S. Adve
5e22d4f669
Revise code generation for unary Not (boolean and bitwise), which is
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no longer a separate instruction but is instead implemented with XOR.
llvm-svn: 3342
2002-08-15 14:17:37 +00:00
Vikram S. Adve
c66b996e40
Added more helper functions for binary instructions emulating
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unary Neg and Not: isNeg, isNot, getNegArgument, and getNotArgument.
llvm-svn: 3341
2002-08-15 14:15:48 +00:00
Chris Lattner
83f92a7237
Implement capability to fold this:
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uint %test4(int %A, int %B) {
%COND = setlt int %A, %B ; <bool> [#uses=1]
%result = cast bool %COND to uint ; <uint> [#uses=1]
ret uint %result
}
into a single cast instruction.
llvm-svn: 3339
2002-08-14 23:21:10 +00:00
Chris Lattner
be85bafab2
Avoid creating 'load X, 0' instead of just 'load X'
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This _trivial_ change causes GCSE and LICM to be much more effective at
hoisting loads. Before it would not be able to eliminate 'load X' if there
was just a dominating 'load X, 0' because the expressions were not identical.
llvm-svn: 3337
2002-08-14 22:11:52 +00:00
Chris Lattner
80b897953e
Avoid inserting an entry block unless we need it
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llvm-svn: 3336
2002-08-14 21:35:02 +00:00
Chris Lattner
6a9d88347a
Remove support for Not ConstantExpr. This simplifies the unary case to only
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have to support the cast instruction, so the function is renamed to getCast.
llvm-svn: 3328
2002-08-14 18:24:09 +00:00
Chris Lattner
760f32d641
Fix bug introduced in last checkin due to CastInst not being visible
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llvm-svn: 3327
2002-08-14 18:22:19 +00:00
Chris Lattner
d909e03b2e
Remove support for unary operators.
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llvm-svn: 3326
2002-08-14 18:19:46 +00:00
Chris Lattner
980bf4b44d
Remove support for NOT instruction
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llvm-svn: 3323
2002-08-14 18:18:02 +00:00
Chris Lattner
34a9a81756
Remove extra #includes
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llvm-svn: 3322
2002-08-14 18:17:32 +00:00
Chris Lattner
119695e390
Remove support for NOT instruction
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llvm-svn: 3320
2002-08-14 18:00:52 +00:00
Chris Lattner
c264beb7c5
Remove support for unary operators
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llvm-svn: 3318
2002-08-14 17:53:45 +00:00
Chris Lattner
794511bf40
Implement two constructor functions for "unary" instructions
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llvm-svn: 3317
2002-08-14 17:52:27 +00:00
Chris Lattner
9f528df0ad
Remove support forNOT instruction
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llvm-svn: 3316
2002-08-14 17:52:06 +00:00
Chris Lattner
890adeb7a2
- Fix InstCombine pass to not generate or process NOT instructions
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- Fixed testcases to not use them either.
llvm-svn: 3315
2002-08-14 17:51:49 +00:00
Chris Lattner
c8183d92e3
Remove support for NOT instruction
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llvm-svn: 3313
2002-08-14 17:45:39 +00:00
Chris Lattner
ed328517aa
AsmParser turns 'not' instructions into 'xor' instructions now.
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llvm-svn: 3309
2002-08-14 17:12:33 +00:00
Chris Lattner
26186786e1
Return null on failure, instead of aborting.
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llvm-svn: 3308
2002-08-14 17:12:13 +00:00
Vikram S. Adve
87928f2098
Add method MachineInstr::substituteValue() which substitutes
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one Value with another one in all operands and implicit references
of the machine instruction.
llvm-svn: 3306
2002-08-14 16:52:58 +00:00
Chris Lattner
3d013e4c40
Minor change to make lli print out characters numerically as well as symbolically
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llvm-svn: 3303
2002-08-13 20:45:11 +00:00
Vikram S. Adve
19b35e6904
Bug fix in TargetData::getIndexedOffset: We were using the pointer
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type instead of the element type for the element size for arrays.
llvm-svn: 3302
2002-08-13 18:17:56 +00:00
Vikram S. Adve
74af31c71e
Several bug fixes in casting to signed int values.
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llvm-svn: 3301
2002-08-13 18:04:08 +00:00
Chris Lattner
b6a04772b5
- Rename ConstantGenericIntegral -> ConstantIntegral
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llvm-svn: 3300
2002-08-13 17:50:24 +00:00
Chris Lattner
b639abc322
- Rename ConstantGenericIntegral -> ConstantIntegral
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- Add new methods to ConstantIntegral: getMaxValue, getMinValue,
getAllOnesValue
llvm-svn: 3299
2002-08-13 17:50:20 +00:00
Vikram S. Adve
5f028d4787
Handle small unsigned results correctly by clearing high bits.
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Bug fixes in casting to signed int values.
llvm-svn: 3297
2002-08-13 17:40:54 +00:00
Brian Ensink
8395e5b203
Build correctly in the face of /shared.
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-Chris
llvm-svn: 3296
2002-08-12 22:09:44 +00:00