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0e4ca08843
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3206 Commits

Author SHA1 Message Date
Chris Lattner
0e4ca08843 Run GlobalDCE before deadtypeelim so that we do not retain types for global 
variables that are obviously dead.  The most common case is %FILE


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3370 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-17 22:38:02 +00:00
Chris Lattner
22de210b60 Include a basic simple test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3369 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-17 22:36:45 +00:00
Chris Lattner
9b76123124 Promote getelementptr instructions to constexprs if we can. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3368 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-17 22:21:59 +00:00
Chris Lattner
e4619181cc Fix stupid oversight of missing #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3367 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-17 22:02:41 +00:00
Chris Lattner
7473413072 - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3366 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-17 22:01:27 +00:00
Chris Lattner
8e28a70044 Throw purify temporary files into /shared if we have it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3365 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-17 21:39:58 +00:00
Chris Lattner
edf6a84a75 Add new testcase for gep instruction -> get constexpr promotion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3364 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-16 21:18:21 +00:00
Chris Lattner
1c93e5bd26 Changed parser to always use parenthesis on ConstExprs to be consistent 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3363 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-16 21:17:11 +00:00
Chris Lattner
d78700de8e - 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3362 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-16 21:14:40 +00:00
Chris Lattner
750b9b080d Fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3361 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-16 19:34:33 +00:00
Chris Lattner
a9c677e41b New testcase distilled from much larger problem 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3360 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-16 16:54:52 +00:00
Chris Lattner
85907a64c2 Convert constexpr over to new syntax 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3359 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 21:14:39 +00:00
Chris Lattner
81003a4cc4 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3358 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 21:08:38 +00:00
Chris Lattner
d1c58ac7c3 Make 'features' testsuite work with the /shared changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3357 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 19:49:06 +00:00
Chris Lattner
83a278efad Convert testcase to use correct syntax 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3356 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 19:48:48 +00:00
Chris Lattner
9edfe8aa18 Add another testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3355 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 19:38:03 +00:00
Chris Lattner
95586b8c83 Write constexpr casts using the cast X to Y notation, not using the implicit 
type result


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3354 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 19:37:43 +00:00
Chris Lattner
ec1b8a0796 Parse const expr cast instruction the same way the instruction is formed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3353 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 19:37:11 +00:00
Chris Lattner
2b4dcbb91d Add a note mentioning that bools promote to 0 or 1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3352 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 19:36:05 +00:00
Chris Lattner
d05e359b10 Move ConstExpr production to unify ConstVal stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3351 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 18:17:28 +00:00
Chris Lattner
3101c25293 Fix bug: test/Regression/Assembler/2002-08-15-UnresolvedGlobalReference.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3350 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 17:58:33 +00:00
Chris Lattner
657882cf6e There seem to be issues with constant exprs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3349 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 17:04:40 +00:00
Chris Lattner
96ad1ec876 Simplify the code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3348 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 16:15:36 +00:00
Chris Lattner
3ecce66e25 Handle more cases of cast-of-cast in more general forms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3347 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 16:15:25 +00:00
Chris Lattner
c5b74477c0 Remove the last traces of the NOT instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3346 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 16:14:49 +00:00
Chris Lattner
8decbcbbfe Add a bunch of testcases for cast-of-casts that should be removed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3345 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 16:13:29 +00:00
Vikram S. Adve
917d551969 Change opLabel numbers for Not and BNot. 
Also, these tree nodes are now binary, not unary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3344 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 14:20:45 +00:00
Vikram S. Adve
85af131d9e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3343 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 14:19:22 +00:00
Vikram S. Adve
ce08e1dd3e Revise code generation for unary Not (boolean and bitwise), which is 
no longer a separate instruction but is instead implemented with XOR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3342 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 14:17:37 +00:00
Vikram S. Adve
1718337cf7 Added more helper functions for binary instructions emulating 
unary Neg and Not: isNeg, isNot, getNegArgument, and getNotArgument.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3341 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 14:15:48 +00:00
Vikram S. Adve
0f63e22e84 Add tests for unary NOT operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3340 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 14:09:56 +00:00
Chris Lattner
5cf6f112e6 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3339 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 23:21:10 +00:00
Chris Lattner
8360d0922a Fix testcase to actually test what we think we are 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3338 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 23:01:19 +00:00
Chris Lattner
b9a7793ecb 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3337 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 22:11:52 +00:00
Chris Lattner
db6e4d6625 Avoid inserting an entry block unless we need it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3336 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 21:35:02 +00:00
Chris Lattner
7ce83e576a Gross, some whitespace escaped 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3335 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 20:07:01 +00:00
Chris Lattner
17a4c3ecfb Fix bug in documentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3334 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 20:06:13 +00:00
Chris Lattner
d022471260 *** empty log message *** 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3333 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 19:29:38 +00:00
Chris Lattner
a939a1e664 This file does not belong here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3332 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 19:29:32 +00:00
Chris Lattner
f39c24cbeb Fix tests that use the now dead not instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3331 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 19:28:22 +00:00
Chris Lattner
985792d870 Fix testcases that used to now dead 'not' instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3330 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 19:28:09 +00:00
Chris Lattner
d0cad7a5f5 Change not's to xors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3329 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 19:26:34 +00:00
Chris Lattner
ad333484ea Remove support for Not ConstantExpr. This simplifies the unary case to only 
have to support the cast instruction, so the function is renamed to getCast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3328 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 18:24:09 +00:00
Chris Lattner
9b2b80fd48 Fix bug introduced in last checkin due to CastInst not being visible 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3327 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 18:22:19 +00:00
Chris Lattner
9c16dba29f Remove support for unary operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3326 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 18:19:46 +00:00
Chris Lattner
935bb0d071 Remove reference to GenericUnaryInst class 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3325 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 18:18:50 +00:00
Chris Lattner
30551d02f5 Remove support for unary instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3324 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 18:18:28 +00:00
Chris Lattner
0513e9fe03 Remove support for NOT instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3323 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 18:18:02 +00:00
Chris Lattner
48a4531ee4 Remove extra #includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3322 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 18:17:32 +00:00
Chris Lattner
f4e3c006ac Remove constant propogation support for NOT instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3321 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 18:17:07 +00:00