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3213 Commits

Author SHA1 Message Date
Chris Lattner 323fe8f4a6 - 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: 3378
 2002-08-18 00:39:59 +00:00
Chris Lattner 6a33371529 Turn off a debugging optimization that just slows bytecode reading down 
llvm-svn: 3377
 2002-08-18 00:38:32 +00:00
Chris Lattner 909b272663 Module's do not subclass from Value, so this code caused a segfault. 
llvm-svn: 3376
 2002-08-18 00:37:14 +00:00
Chris Lattner e0f6af9bb2 Add Module::dump() method 
llvm-svn: 3375
 2002-08-17 23:32:47 +00:00
Chris Lattner b6a0873bd8 Add Module::dump() method 
llvm-svn: 3374
 2002-08-17 23:32:42 +00:00
Chris Lattner 1c26440b54 Add a simple testcase that just uses a CPR instead of a CPR & ConstExpr 
llvm-svn: 3373
 2002-08-17 23:20:37 +00:00
Chris Lattner db748de8d2 New testcase 
llvm-svn: 3372
 2002-08-17 22:57:52 +00:00
Chris Lattner dded107d64 Do not leak memory for passes when using -stopAfterNPasses or -stopraise 
llvm-svn: 3371
 2002-08-17 22:40:03 +00:00
Chris Lattner 325c1ce8f3 Run GlobalDCE before deadtypeelim so that we do not retain types for global 
variables that are obviously dead.  The most common case is %FILE

llvm-svn: 3370
 2002-08-17 22:38:02 +00:00
Chris Lattner e910ab899c Include a basic simple test. 
llvm-svn: 3369
 2002-08-17 22:36:45 +00:00
Chris Lattner c59af1d257 Promote getelementptr instructions to constexprs if we can. 
llvm-svn: 3368
 2002-08-17 22:21:59 +00:00
Chris Lattner c8d952ebba Fix stupid oversight of missing #include. 
llvm-svn: 3367
 2002-08-17 22:02:41 +00:00
Chris Lattner 51fa0ef925 - Finally nailed: test/Regression/Assembler/2002-08-16-ConstExprInlined.llx 
- 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 56b56d90f0 Throw purify temporary files into /shared if we have it. 
llvm-svn: 3365
 2002-08-17 21:39:58 +00:00
Chris Lattner 3afbe3aa49 Add new testcase for gep instruction -> get constexpr promotion 
llvm-svn: 3364
 2002-08-16 21:18:21 +00:00
Chris Lattner cfe8f53a4b Changed parser to always use parenthesis on ConstExprs to be consistent 
llvm-svn: 3363
 2002-08-16 21:17:11 +00:00
Chris Lattner 7f325cd0bc - Remove unused STRING token from lexer & parser 
- 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 d0ded9899b Fix typo 
llvm-svn: 3361
 2002-08-16 19:34:33 +00:00
Chris Lattner 75c34870ac New testcase distilled from much larger problem 
llvm-svn: 3360
 2002-08-16 16:54:52 +00:00
Chris Lattner e9e30c6b5a Convert constexpr over to new syntax 
llvm-svn: 3359
 2002-08-15 21:14:39 +00:00
Chris Lattner 0dff9cb61d New testcase 
llvm-svn: 3358
 2002-08-15 21:08:38 +00:00
Chris Lattner dbeb10fce0 Make 'features' testsuite work with the /shared changes. 
llvm-svn: 3357
 2002-08-15 19:49:06 +00:00
Chris Lattner 39c284caf7 Convert testcase to use correct syntax 
llvm-svn: 3356
 2002-08-15 19:48:48 +00:00
Chris Lattner 4a16110da7 Add another testcase 
llvm-svn: 3355
 2002-08-15 19:38:03 +00:00
Chris Lattner 83b396b830 Write constexpr casts using the cast X to Y notation, not using the implicit 
type result

llvm-svn: 3354
 2002-08-15 19:37:43 +00:00
Chris Lattner d8ecff793a Parse const expr cast instruction the same way the instruction is formed 
llvm-svn: 3353
 2002-08-15 19:37:11 +00:00
Chris Lattner d81cc45169 Add a note mentioning that bools promote to 0 or 1 
llvm-svn: 3352
 2002-08-15 19:36:05 +00:00
Chris Lattner 7f1c98d060 Move ConstExpr production to unify ConstVal stuff 
llvm-svn: 3351
 2002-08-15 18:17:28 +00:00
Chris Lattner 61643a01c3 Fix bug: test/Regression/Assembler/2002-08-15-UnresolvedGlobalReference.ll 
llvm-svn: 3350
 2002-08-15 17:58:33 +00:00
Chris Lattner 6e3f31d072 There seem to be issues with constant exprs 
llvm-svn: 3349
 2002-08-15 17:04:40 +00:00
Chris Lattner 7f8e677715 Simplify the code 
llvm-svn: 3348
 2002-08-15 16:15:36 +00:00
Chris Lattner 3732acab85 Handle more cases of cast-of-cast in more general forms. 
llvm-svn: 3347
 2002-08-15 16:15:25 +00:00
Chris Lattner 8d1118fd8f Remove the last traces of the NOT instruction 
llvm-svn: 3346
 2002-08-15 16:14:49 +00:00
Chris Lattner 47744689d0 Add a bunch of testcases for cast-of-casts that should be removed. 
llvm-svn: 3345
 2002-08-15 16:13:29 +00:00
Vikram S. Adve 2ba6b60374 Change opLabel numbers for Not and BNot. 
Also, these tree nodes are now binary, not unary.

llvm-svn: 3344
 2002-08-15 14:20:45 +00:00
Vikram S. Adve 3db97eb499 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 caed269085 Revise code generation for unary Not (boolean and bitwise), which is 
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 243f187791 Added more helper functions for binary instructions emulating 
unary Neg and Not: isNeg, isNot, getNegArgument, and getNotArgument.

llvm-svn: 3341
 2002-08-15 14:15:48 +00:00
Vikram S. Adve f352eaf351 Add tests for unary NOT operations. 
llvm-svn: 3340
 2002-08-15 14:09:56 +00:00
Chris Lattner 0bb75910e2 Implement capability to fold this: 
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 ac4e8c6ea4 Fix testcase to actually test what we think we are 
llvm-svn: 3338
 2002-08-14 23:01:19 +00:00
Chris Lattner 768c2b6bfe Avoid creating 'load X, 0' instead of just 'load X' 
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 313fd77767 Avoid inserting an entry block unless we need it 
llvm-svn: 3336
 2002-08-14 21:35:02 +00:00
Chris Lattner 0c5e293a4a Gross, some whitespace escaped 
llvm-svn: 3335
 2002-08-14 20:07:01 +00:00
Chris Lattner eb4ba3cd53 Fix bug in documentation 
llvm-svn: 3334
 2002-08-14 20:06:13 +00:00
Chris Lattner 6499ee2e7a *** empty log message *** 
llvm-svn: 3333
 2002-08-14 19:29:38 +00:00
Chris Lattner c652333636 This file does not belong here. 
llvm-svn: 3332
 2002-08-14 19:29:32 +00:00
Chris Lattner 1115d58b7c Fix tests that use the now dead not instruction 
llvm-svn: 3331
 2002-08-14 19:28:22 +00:00
Chris Lattner 07a5218b6e Fix testcases that used to now dead 'not' instruction 
llvm-svn: 3330
 2002-08-14 19:28:09 +00:00
Chris Lattner 94126ed044 Change not's to xors 
llvm-svn: 3329
 2002-08-14 19:26:34 +00:00