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d18a1cc9fb
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1070 Commits

Author SHA1 Message Date
Vikram S. Adve
d18a1cc9fb Minor changes. 
llvm-svn: 1971
 2002-03-24 03:40:59 +00:00
Vikram S. Adve
e06cac463f Re-fix bug: Put back MachineCodeForInstruction::dropAllReferences. 
llvm-svn: 1970
 2002-03-24 03:40:11 +00:00
Vikram S. Adve
b347d2796c Fix padding for variables allocated on stack. 
llvm-svn: 1969
 2002-03-24 03:39:26 +00:00
Vikram S. Adve
34306e0e1c Major overhaul to FoldGetElemPtr to handle mixed array and struct refs. 
llvm-svn: 1968
 2002-03-24 03:37:53 +00:00
Vikram S. Adve
8493ae74b2 Use deterministic iterator for treeRoots. 
llvm-svn: 1967
 2002-03-24 03:36:52 +00:00
Vikram S. Adve
8ada4c031e Bug re-fix: put back MachineCodeForInstruction::get(*I).dropAllReferences(). 
Also re-enable instr. scheduling pass.

llvm-svn: 1966
 2002-03-24 03:35:16 +00:00
Vikram S. Adve
7b84ec22d8 Change latencies for Load, Store and Branch instructions. 
llvm-svn: 1965
 2002-03-24 03:33:53 +00:00
Vikram S. Adve
57d735db7a Major enhancements to how array and structure indices are handled. 
Improve checking for constants in Multiply.
Simpler method to keep track of when a node is folded into its parent.
Several other bug fixes.

llvm-svn: 1964
 2002-03-24 03:33:02 +00:00
Vikram S. Adve
a141a7190b Change treeRoots data structure to make enumeration deterministic. 
llvm-svn: 1962
 2002-03-24 03:24:00 +00:00
Vikram S. Adve
1f5e8f93cc Major overhaul to support arbitrary mixed array and structure indices. 
Also moved to the Scalar/ directory and renamed to "MultiDim".

llvm-svn: 1961
 2002-03-24 03:21:18 +00:00
Chris Lattner
c481e92886 Rename Method to Function 
llvm-svn: 1957
 2002-03-23 22:51:58 +00:00
Vikram S. Adve
3294262573 New pass to decompose multi-dimensional array references into 
a sequence of 1-D references, using a sequence of getElementPtrs.

llvm-svn: 1948
 2002-03-23 20:43:39 +00:00
Chris Lattner
0b9734b293 Add an assertion that would hopefully catch a problem that was tripping 
cameron up

llvm-svn: 1944
 2002-03-22 18:01:58 +00:00
Chris Lattner
2ed4beefea Fix bug test/Regression/Transforms/LevelRaise/2002-03-21-MissedRaise3.ll 
llvm-svn: 1943
 2002-03-21 23:02:37 +00:00
Chris Lattner
ad241cc3ea Fix test/Regression/Transforms/LevelRaise/2002-03-21-MissedRaise2.ll 
llvm-svn: 1941
 2002-03-21 22:39:59 +00:00
Chris Lattner
8051e7c953 * AllocationInst ctor moved here from iMemory.h 
* AllocationInst now always has an array size operand

llvm-svn: 1939
 2002-03-21 22:37:48 +00:00
Chris Lattner
a80b65c208 Fix test/Regression/Other/2002-03-21-LevelRaiseMiss.ll 
llvm-svn: 1933
 2002-03-21 21:21:13 +00:00
Chris Lattner
c2b5cb5619 Make ConvertableToGEP handle cases where the user is indexing into the 
first element of a structure type.  Before this would not be handled because
getStructOffset would either stop immediately (because StopEarly was true
and Offset = 0), or blast past the level we wanted.

Now ConvertableToGEP steps down through the type one level at a time, checking
the Offset and Scale conditions at each step

llvm-svn: 1931
 2002-03-21 06:27:20 +00:00
Chris Lattner
559c71f6f4 Implement the new InsertInstBeforeInst function 
llvm-svn: 1930
 2002-03-21 06:24:00 +00:00
Chris Lattner
14fe793707 Fix the: test/Regression/Other/2002-03-20-LevelRaiseCrash.ll bug. It turned 
out that almost always the result of the add was the same as the GEP that
would be generated.  In this case, however, it wasn't, so bad things happened.

llvm-svn: 1929
 2002-03-21 06:22:23 +00:00
Chris Lattner
e9ec6058e4 Declare the new InsertInstBeforeInst function 
llvm-svn: 1927
 2002-03-21 06:15:53 +00:00
Chris Lattner
ceb4e429a2 Add an assertion to catch a misuse of replaceAllUsesWith 
llvm-svn: 1924
 2002-03-21 05:38:15 +00:00
Chris Lattner
72367834b0 1. Fix bug test/Regression/Other/2002-03-20-LevelRaiseBadCodegen.ll 
2. Allow negative scales in ConvertableToGEP, so that this loop from
   alloc_tree in the Olden health benchmark is correctly raised:

       for (i = 3; i >= 0; i--)
         fval[i] = alloc_tree(level - 1, label*4 + i + 1, new);

   Stepping through the array backwards caused a negative scale.

llvm-svn: 1922
 2002-03-21 03:04:38 +00:00
Chris Lattner
db90f5f6ea Namespace qualify debugging code 
llvm-svn: 1921
 2002-03-21 03:02:07 +00:00
Vikram S. Adve
92fb8b1f9c Fixed several problems with handling arguments to Phis. 
llvm-svn: 1910
 2002-03-18 03:47:26 +00:00
Vikram S. Adve
cd6cb1962f Big bug fix: killed uses were being inserted instead of erased! 
Also added a set of debug options.

llvm-svn: 1909
 2002-03-18 03:45:41 +00:00
Vikram S. Adve
308f672ac8 Just a comment. 
llvm-svn: 1908
 2002-03-18 03:40:25 +00:00
Vikram S. Adve
5f910def00 New pass to decompose multi-dimensional array references into 
a sequence of 1-D references, using a sequence of getElementPtrs.

llvm-svn: 1907
 2002-03-18 03:39:09 +00:00
Vikram S. Adve
8553fc5d21 Big bug fix: getUsableUniRegAtMI needed to return values in arguments 
but did not pass the arguments by reference!

llvm-svn: 1906
 2002-03-18 03:37:19 +00:00
Vikram S. Adve
855ed3d941 Added function computeOffsetforLocalVar to check how big the 
offset-from-FP will be before allocating space for a local variable.

llvm-svn: 1905
 2002-03-18 03:36:30 +00:00
Vikram S. Adve
edc1adae11 Bug fix in setting CC register. 
Also use distinct names for the three types of SetMachineOperand
to avoid painful overloading problems and errors.

llvm-svn: 1904
 2002-03-18 03:35:24 +00:00
Vikram S. Adve
b26ed73c33 Constants are now added to the constant pool only when a load 
instruction is actually generated for them.
Rename the different versions of SetMachineOperand.

llvm-svn: 1903
 2002-03-18 03:33:43 +00:00
Vikram S. Adve
3fe5a9e913 Use vector for machine instructions returned by GetInstructionsByRule. 
Fix constants in instructions generated for Phi elimination.

llvm-svn: 1902
 2002-03-18 03:31:54 +00:00
Vikram S. Adve
125cd33f99 Big bug fix: getUsableUniRegAtMI needed to return values in arguments 
but did not pass the arguments by reference!
Also added a function to get a register class by ID.

llvm-svn: 1901
 2002-03-18 03:26:48 +00:00
Vikram S. Adve
7f139ccf85 Add support for code generation for array references. 
Also, use distinct names for the three types of SetMachineOperand to
avoid painful overloading problems and errors.
Bug fix in converting-int-to-float.  Other minor stuff.

llvm-svn: 1896
 2002-03-18 03:15:35 +00:00
Vikram S. Adve
217f7b1fe1 Bug fixes for not using unified reg. numbers, and for using the 
wrong register class for saving CC registers.
Also, use distinct names for the three types of SetMachineOperand.

llvm-svn: 1895
 2002-03-18 03:12:16 +00:00
Vikram S. Adve
6a74ad7030 Use distinct names for the three types of SetMachineOperand to 
avoid painful overloading problems and errors.

llvm-svn: 1893
 2002-03-18 03:09:15 +00:00
Vikram S. Adve
f7d5ad2124 Minor fixes. 
llvm-svn: 1892
 2002-03-18 03:08:07 +00:00
Vikram S. Adve
23d4011ea1 Handling of global names was severely broken when converting to 2 passes. 
Different labels were generated for the same name in different passes.
Use an annotation to hold a fixed table of names.

llvm-svn: 1891
 2002-03-18 03:07:26 +00:00
Vikram S. Adve
d311d0d546 Several sundry bug fixes. 
llvm-svn: 1890
 2002-03-18 03:02:42 +00:00
Chris Lattner
240209eb5b Make an assertion provide a more helpful error message 
llvm-svn: 1883
 2002-03-17 21:16:01 +00:00
Chris Lattner
88ccdcd73e Remove code designed to compensate for a bug in GCC. The bug has since 
been fixed.

llvm-svn: 1881
 2002-03-15 20:35:21 +00:00
Chris Lattner
ba358e8e65 Checkin new test for problem anand ran into 
llvm-svn: 1880
 2002-03-15 20:25:09 +00:00
Chris Lattner
55aff5c433 Cleanup error message output a bit 
llvm-svn: 1879
 2002-03-15 20:21:29 +00:00
Chris Lattner
8cc6186707 Fix test/Regression/Other/2002-03-14-ValueToLarge.ll. Note that this 
fix could be better, but we don't have the infrastructure to find out what
size types are yet.

llvm-svn: 1876
 2002-03-14 22:35:50 +00:00
Chris Lattner
1a4aac1060 Add a check to ensure that only PHI nodes are self referential. Code 
input to instruction combination was broken, which caused it to explode.

llvm-svn: 1870
 2002-03-14 16:53:48 +00:00
Chris Lattner
2ecc9a337c Fix bug: test/Regression/Other/2002-03-14-LevelRaiseHang.ll 
llvm-svn: 1869
 2002-03-14 16:37:04 +00:00
Chris Lattner
b0128957b1 Fix bug: test/Regression/Other/2002-03-11-InstCombineHang.ll 
llvm-svn: 1864
 2002-03-11 23:28:45 +00:00
Chris Lattner
ba4660ff3d update comments 
llvm-svn: 1862
 2002-03-11 22:21:04 +00:00
Chris Lattner
0f8d0257f9 * Fix bug: test/Regression/Other/2002-03-11-LevelRaiseIterInvalidate.ll 
* Use more concise form of ReplaceInstWithInst to make code simpler
* Output nicer message for dead code eliminated when debugging

llvm-svn: 1861
 2002-03-11 22:19:48 +00:00