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Author SHA1 Message Date
Reid Spencer
3cc307f4d7 Don't delete things before their last use (avoids bad reads). 
llvm-svn: 35214
 2007-03-20 17:18:33 +00:00
Lauro Ramos Venancio
9659c8befc CopyToReg source operand can be a physical register. 
llvm-svn: 35213
 2007-03-20 16:46:44 +00:00
Duncan Sands
1f0efa2270 Test handling of structs with multiple variable-sized fields. 
llvm-svn: 35212
 2007-03-20 14:13:20 +00:00
Zhou Sheng
0ae1c9e1ad Simplify isHighOnes(). 
llvm-svn: 35211
 2007-03-20 12:49:06 +00:00
Duncan Sands
cdf52c92a9 Ada testcase for structs with multiple variable sized fields. 
llvm-svn: 35210
 2007-03-20 09:54:02 +00:00
Duncan Sands
0ea571dda0 Test that ARRAY_RANGE_REF returns an array not an element. 
llvm-svn: 35209
 2007-03-20 09:50:42 +00:00
Evan Cheng
0176b9859d First cut trivial re-materialization support. 
llvm-svn: 35208
 2007-03-20 08:13:50 +00:00
Evan Cheng
4fec9d7228 Make two piece constant generation as a single instruction. It's re-materialized as a load from constantpool. 
llvm-svn: 35207
 2007-03-20 08:11:30 +00:00
Evan Cheng
11976abd1e New entry. 
llvm-svn: 35206
 2007-03-20 08:10:17 +00:00
Evan Cheng
41f4f032ee Added MRegisterInfo hook to re-materialize an instruction. 
llvm-svn: 35205
 2007-03-20 08:09:38 +00:00
Chris Lattner
b9cc0ade43 Two changes: 
1) codegen a shift of a register as a shift, not an LEA.
2) teach the RA to convert a shift to an LEA instruction if it wants something
   in three-address form.

This gives us asm diffs like:

-       leal (,%eax,4), %eax
+       shll $2, %eax

which is faster on some processors and smaller on all of them.

and, more interestingly:

-       movl 24(%esi), %eax
-       leal (,%eax,4), %edi
+       movl 24(%esi), %edi
+       shll $2, %edi

Without #2, #1 was a significant pessimization in some cases.

This implements CodeGen/X86/shift-codegen.ll

llvm-svn: 35204
 2007-03-20 06:08:29 +00:00
Chris Lattner
10311baf63 These functions should use shll, not lea. 
llvm-svn: 35203
 2007-03-20 06:01:41 +00:00
Chris Lattner
1ed603c0d9 fix indentation 
llvm-svn: 35202
 2007-03-20 02:25:53 +00:00
Zhou Sheng
a9c0018850 Correct the name: isStrictPositive --> isStrictlyPositive. 
llvm-svn: 35201
 2007-03-20 02:18:16 +00:00
Chris Lattner
305c3525af Add a dtor to fix leaks from all clients of BitVector. 
llvm-svn: 35200
 2007-03-20 02:10:56 +00:00
Reid Spencer
81602be7e3 Regenerate. 
llvm-svn: 35199
 2007-03-20 01:13:36 +00:00
Reid Spencer
4a8b426ab2 Plug some PATypeHolder memory leaks. 
llvm-svn: 35198
 2007-03-20 01:13:00 +00:00
Dale Johannesen
516d98c710 use types of loads and stores, not address, in CheckForIVReuse 
llvm-svn: 35197
 2007-03-20 00:47:50 +00:00
Dale Johannesen
c526b970ce fix obvious comment bug 
llvm-svn: 35196
 2007-03-20 00:30:56 +00:00
Chris Lattner
6dbed4d4ca Fix a nasty memory leak, caused by my revamp of the value symbol table. 
llvm-svn: 35195
 2007-03-20 00:18:10 +00:00
Reid Spencer
2f1ee85f90 Make isOneBitSet faster by using APInt::isPowerOf2. Thanks Chris. 
llvm-svn: 35194
 2007-03-20 00:16:52 +00:00
Reid Spencer
923f6b31d4 Make this test a little simpler/faster. 
llvm-svn: 35193
 2007-03-19 23:36:19 +00:00
Reid Spencer
86f1c2f59d Add test case for PR1261, currently XFAILed. 
llvm-svn: 35192
 2007-03-19 23:28:16 +00:00
Devang Patel
37a5818ca9 Document LoopPass. 
llvm-svn: 35191
 2007-03-19 22:21:25 +00:00
Reid Spencer
a792b71ab3 APIntify the isHighOnes utility function. 
llvm-svn: 35190
 2007-03-19 21:29:50 +00:00
Reid Spencer
41d254c7f4 Fix coding standards violation. 
llvm-svn: 35189
 2007-03-19 21:19:02 +00:00
Reid Spencer
4009f1eacb Implement isMaxValueMinusOne in terms of APInt instead of uint64_t. 
Patch by Sheng Zhou.

llvm-svn: 35188
 2007-03-19 21:10:28 +00:00
Reid Spencer
57a15f4445 Implement isMinValuePlusOne using facilities of APInt instead of uint64_t 
Patch by Zhou Sheng.

llvm-svn: 35187
 2007-03-19 21:08:07 +00:00
Reid Spencer
1985e3645b Implement isOneBitSet in terms of APInt::countPopulation. 
llvm-svn: 35186
 2007-03-19 21:04:43 +00:00
Reid Spencer
367a2917c0 1. Use APInt::getSignBit to reduce clutter (patch by Sheng Zhou) 
2. Replace uses of the "isPositive" utility function with APInt::isPositive

llvm-svn: 35185
 2007-03-19 20:58:18 +00:00
Reid Spencer
49ea42b719 Remove a redundant clause in an if statement. 
Patch by Sheng Zhou.

llvm-svn: 35184
 2007-03-19 20:47:50 +00:00
Reid Spencer
ea5bcde3c8 Regenerate. 
llvm-svn: 35183
 2007-03-19 20:40:51 +00:00
Reid Spencer
7f92fc05cd Fix test/Assembler/2007-03-19-NegValue.ll by using the new "isSigned" 
parameter on ConstantInt::get to indicate the signedness of the intended
value.

llvm-svn: 35182
 2007-03-19 20:40:22 +00:00
Reid Spencer
7d20e42a97 Allow ConstantInt::get(Ty, uint64_t) to interpret the 64-bit values as a 
negative number. This is needed to fix test/Assembler/2007-03-19-NegValue.ll

llvm-svn: 35181
 2007-03-19 20:39:08 +00:00
Reid Spencer
b7d0a60da1 Implement extension of sign bits for negative values in the uint64_t 
constructor. This helps to fix test/Assembler/2007-03-19-NegValue.ll

llvm-svn: 35180
 2007-03-19 20:37:47 +00:00
Reid Spencer
c3422e56d6 Add an indication of signedness to the uint64_t constructor so sign bits 
can be extended. This helps fix test/Assembler/2007-03-19-NegValue.ll

llvm-svn: 35179
 2007-03-19 20:36:48 +00:00
Reid Spencer
42136f760d Test case noticed by Sheng that fails because negative values that are 
greater than 64-bits don't have the sign bits extended on construction of
the APInt.

llvm-svn: 35178
 2007-03-19 20:35:26 +00:00
Anton Korobeynikov
62e2448864 Fix mingw32 build 
llvm-svn: 35177
 2007-03-19 20:19:08 +00:00
Duncan Sands
12e31a7121 Test handling of ARRAY_REF when the component type is of unknown size. 
llvm-svn: 35176
 2007-03-19 19:56:18 +00:00
Reid Spencer
35ebf3dffc For PR1258: 
Test that invalid numbered value references get an error message.

llvm-svn: 35175
 2007-03-19 18:41:37 +00:00
Reid Spencer
65e272dedd Regenerate. 
llvm-svn: 35174
 2007-03-19 18:40:50 +00:00
Reid Spencer
a304595278 For PR1248: 
Eliminate support for type planes in numbered values. This simplifies the
data structures involved in managing forward definitions, etc. Instead of
requiring maps from type to value, we can now just use a vector of values.
These changes also required rewrites of some support functions such as
InsertValue, getBBVal, and ResolveDefinitions. Some other cosmetic changes
were made as well.

llvm-svn: 35173
 2007-03-19 18:39:36 +00:00
Reid Spencer
34f69893be Add and Operator== method to ValID so equality can be done properly for 
named or numbered ValIDs.

llvm-svn: 35172
 2007-03-19 18:34:28 +00:00
Reid Spencer
135ca5e8c4 For PR1258: 
Radically simplify the SlotMachine. There is no need to keep Value planes
around any more. This change causes slot numbering to number all un-named,
non-void values starting at 0 and incrementing monotonically through the
function, regardless of type (including BasicBlocks). Getting slot numbers
is now a single lookup operation instead of a double lookup.

llvm-svn: 35171
 2007-03-19 18:32:53 +00:00
Reid Spencer
c124adcc12 For PR1258: 
Revise numeric value references to accommodate collapsed type planes.

llvm-svn: 35170
 2007-03-19 18:27:35 +00:00
Chris Lattner
5f1d3ac7e4 fix ScalarRepl/2007-03-19-CanonicalizeMemcpy.ll 
llvm-svn: 35169
 2007-03-19 18:25:57 +00:00
Reid Spencer
b552bbd876 Use opt instead of gccas. 
llvm-svn: 35168
 2007-03-19 18:25:55 +00:00
Chris Lattner
e13d458bd7 add a testcase the resent patches fail on. 
llvm-svn: 35167
 2007-03-19 18:25:48 +00:00
Reid Spencer
0782164cf7 Don't upgrade these. 
llvm-svn: 35166
 2007-03-19 18:08:42 +00:00
Evan Cheng
822f7b5213 Remove -reduce-joining-phys-regs options. Make it on by default. 
llvm-svn: 35165
 2007-03-19 18:08:26 +00:00