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17947 Commits

Author SHA1 Message Date
Reid Spencer
2c9df214c7 Plug some PATypeHolder memory leaks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35198 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 01:13:00 +00:00
Dale Johannesen
dc42f48ea9 use types of loads and stores, not address, in CheckForIVReuse 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35197 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 00:47:50 +00:00
Dale Johannesen
80dae195c7 fix obvious comment bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35196 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 00:30:56 +00:00
Chris Lattner
91857da2f5 Fix a nasty memory leak, caused by my revamp of the value symbol table. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35195 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 00:18:10 +00:00
Reid Spencer
5f6a89562d Make isOneBitSet faster by using APInt::isPowerOf2. Thanks Chris. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35194 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 00:16:52 +00:00
Reid Spencer
05227d88af APIntify the isHighOnes utility function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35190 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 21:29:50 +00:00
Reid Spencer
adf2a206ec Fix coding standards violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35189 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 21:19:02 +00:00
Reid Spencer
3a2a9fbf99 Implement isMaxValueMinusOne in terms of APInt instead of uint64_t. 
Patch by Sheng Zhou.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35188 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 21:10:28 +00:00
Reid Spencer
727992c30a Implement isMinValuePlusOne using facilities of APInt instead of uint64_t 
Patch by Zhou Sheng.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35187 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 21:08:07 +00:00
Reid Spencer
44e33e674a Implement isOneBitSet in terms of APInt::countPopulation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35186 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 21:04:43 +00:00
Reid Spencer
5a1e3e1a7d 1. Use APInt::getSignBit to reduce clutter (patch by Sheng Zhou) 
2. Replace uses of the "isPositive" utility function with APInt::isPositive


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35185 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 20:58:18 +00:00
Reid Spencer
8439bc8d69 Remove a redundant clause in an if statement. 
Patch by Sheng Zhou.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35184 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 20:47:50 +00:00
Reid Spencer
49d273e168 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35183 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 20:40:51 +00:00
Reid Spencer
eac65746d7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35182 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 20:40:22 +00:00
Reid Spencer
7fc44c8c5f 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35181 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 20:39:08 +00:00
Reid Spencer
3a34137548 Implement extension of sign bits for negative values in the uint64_t 
constructor. This helps to fix test/Assembler/2007-03-19-NegValue.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35180 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 20:37:47 +00:00
Anton Korobeynikov
d437db1b7b Fix mingw32 build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35177 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 20:19:08 +00:00
Reid Spencer
93c40036c8 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35174 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 18:40:50 +00:00
Reid Spencer
186a43f1ad 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35173 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 18:39:36 +00:00
Reid Spencer
4e0422c7e6 Add and Operator== method to ValID so equality can be done properly for 
named or numbered ValIDs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35172 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 18:34:28 +00:00
Reid Spencer
590b3c559f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35171 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 18:32:53 +00:00
Chris Lattner
a9d1a843fc fix ScalarRepl/2007-03-19-CanonicalizeMemcpy.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35169 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 18:25:57 +00:00
Evan Cheng
757072d954 Remove -reduce-joining-phys-regs options. Make it on by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35165 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 18:08:26 +00:00
Evan Cheng
9f6636ff0c Fix naming inconsistencies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35163 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 07:48:02 +00:00
Evan Cheng
fa775d09c6 Special LDR instructions to load from non-pc-relative constantpools. These are 
rematerializable. Only used for constant generation for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35162 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 07:20:03 +00:00
Evan Cheng
a251570417 Constant generation instructions are re-materializable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35161 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 07:09:02 +00:00
Evan Cheng
e2e9e44d8f Added isReMaterializable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35160 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 06:22:07 +00:00
Evan Cheng
79b098445b Minor bug fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35153 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 04:22:35 +00:00
Chris Lattner
d435dbcbf9 fix a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35152 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 00:39:32 +00:00
Chris Lattner
8bf9911932 implement the next chunk of SROA with memset/memcpy's of aggregates. This 
implements Transforms/ScalarRepl/memset-aggregate-byte-leader.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35150 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 00:16:43 +00:00
Nick Lewycky
3f64b1ab1d Clean up this code and fix subtract miscompile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35146 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-18 22:58:46 +00:00
Chris Lattner
318bf7963a Implement InstCombine/and-xor-merge.ll:test[12]. 
Rearrange some code to simplify it now that shifts are binops


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35145 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-18 22:51:34 +00:00
Chris Lattner
11a3a9d27d minor updates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35143 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-18 22:41:33 +00:00
Nick Lewycky
7f4ba44f37 This is implemented. We now generate: 
entry:
        icmp ugt i32 %x, 4              ; <i1>:0 [#uses=1]
        br i1 %0, label %cond_true, label %cond_false

cond_true:              ; preds = %entry
        %tmp1 = tail call i32 (...)* @bar( i32 12 )             ; <i32> [#uses=0]
        ret void

cond_false:             ; preds = %entry
        switch i32 %x, label %cond_true15 [
                 i32 4, label %cond_true3
                 i32 3, label %cond_true7
                 i32 2, label %cond_true11
                 i32 0, label %cond_false17
        ]

...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35142 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-18 14:37:20 +00:00
Evan Cheng
cf596c54d4 - Merge UsedBlocks info after two virtual registers are coalesced. 
- Use distance to closest use to determine whether to abort coalescing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35141 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-18 09:05:55 +00:00
Evan Cheng
e951cd1647 Keep UsedBlocks info accurate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35140 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-18 09:02:31 +00:00
Nick Lewycky
1eda0f60d7 Propagate ValueRanges across equality. 
Add some more micro-optimizations: x * 0 = 0, a - x = a --> x = 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35138 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-18 01:09:32 +00:00
Anton Korobeynikov
1cc6452181 Silence warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35137 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-17 14:48:06 +00:00
Evan Cheng
c6a2410d58 Track the BB's where each virtual register is used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35135 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-17 09:29:54 +00:00
Evan Cheng
ba1a3df608 Joining a live interval of a physical register with a virtual one can turn out 
to be really bad. Once they are joined they are not broken apart. Also, physical
intervals cannot be spilled!

Added a heuristic as a workaround for this. Be careful coalescing with a
physical register if the virtual register uses are "far". Check if there are
uses in the same loop as the source (copy instruction). Check if it is in the
loop preheader, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35134 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-17 09:27:35 +00:00
Evan Cheng
db264ae07f Use SmallSet instead of std::set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35133 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-17 08:53:30 +00:00
Evan Cheng
2edd563825 If sdisel has decided to sink GEP index expression into any BB. Replace all uses 
in that BB.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35132 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-17 08:22:49 +00:00
Devang Patel
84f7fd2483 Support 'I' inline asm constraint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35129 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-17 00:13:28 +00:00
Lauro Ramos Venancio
368f20fda4 Only ARMv6 has BSWAP. 
Fix MultiSource/Applications/aha test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35128 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-16 22:54:16 +00:00
Evan Cheng
9e2d86add8 Turn on GEP index sinking by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35127 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-16 18:32:30 +00:00
Evan Cheng
9f5ead9601 Stupid bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35126 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-16 17:50:20 +00:00
Bill Wendling
1b7a81d3ae And now support for MMX logical operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35125 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-16 09:44:46 +00:00
Evan Cheng
3cd4e5095b Sink a binary expression into its use blocks if it is a loop invariant 
computation used as GEP indexes and if the expression can be folded into
target addressing mode of GEP load / store use types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35123 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-16 08:46:27 +00:00
Evan Cheng
2770747216 Added isLegalAddressExpression(). Only allows X +/- C for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35122 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-16 08:43:56 +00:00
Evan Cheng
14245a9d62 Added isLegalAddressExpression hook to test if the given expression can be 
folded into target addressing mode for the given type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35121 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-16 08:42:32 +00:00