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Author SHA1 Message Date
Chris Lattner
2d26ffb679 Run DSE at link-time, and turn on an IP alias analysis by default in gccld! 
The -disable-globalsmodref is temporary and will be removed eventually.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15268 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 08:13:15 +00:00
Chris Lattner
b0015c510f nuke pointless -debug output 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15267 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 08:03:18 +00:00
Chris Lattner
ccb354b687 New functionality 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15266 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 07:50:07 +00:00
Chris Lattner
fdec1d5f24 Document new syntax 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15265 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 07:49:39 +00:00
Chris Lattner
105d26acb4 Fix conservative assumption, which was quite broken. Also, notice that 
functions known to not access memory (like sin/cos) don't access memory! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15264 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 07:46:26 +00:00
Chris Lattner
eaa243039b Fix hoisting of void typed values, e.g. calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15263 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 07:38:32 +00:00
Chris Lattner
70c7d03d1c alloca void makes no sense 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15262 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 07:30:02 +00:00
Chris Lattner
63e9930498 Remove a bogus assertion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15261 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 07:22:21 +00:00
Chris Lattner
fe98f27e80 Complete rewrite of this pass to be faster, use less memory, be easier to 
understand, and more accurate to boot!  This implements
GlobalModRef/purecse.ll over the previous impl.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15260 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 06:40:37 +00:00
Chris Lattner
a9db34f13c new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15259 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 06:35:11 +00:00
Chris Lattner
059f5a5e05 Have some testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15258 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 06:26:08 +00:00
Chris Lattner
1c2b1294d3 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15257 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 04:00:54 +00:00
Chris Lattner
8a1478b6d7 Fix out of date comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15256 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 03:04:30 +00:00
Chris Lattner
bcb11cf132 Simplify code and silence warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15255 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 02:34:49 +00:00
Chris Lattner
efe30ef790 Use context-sensitive alias analysis to avoid pessimization in clients of 
AliasSetTracker (dse and licm).  This implements
DeadStoreElimination/context-sensitive.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15254 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 02:20:26 +00:00
Chris Lattner
cbb4b574c0 New testcase. DSE should delete all of the DEAD instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15253 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 02:19:27 +00:00
Chris Lattner
db5b80a7f2 Make basicaa a bit more aggressive 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15252 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 02:18:52 +00:00
Chris Lattner
e181b94309 basic-aa can actually provide simple mod/ref info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15251 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 02:13:55 +00:00
Chris Lattner
05e47987ee This was implemented back in march 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15250 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 01:59:42 +00:00
Chris Lattner
1dba7abdd7 Implement test/Regression/TableGen/ListSlices.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15249 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 01:01:21 +00:00
Chris Lattner
3aa965fbf4 New testcase for list slicing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15248 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 01:00:56 +00:00
Chris Lattner
b0fef64dc9 Add initial support for list slices. This currently allows you to do stuff 
like this:

def B {
  list<int> X = [10, 20, 30, 4, 1, 1231, 20] [2-4,2,2,0-6];
}

... which isn't particularly useful, but more is to come.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15247 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 23:21:34 +00:00
Reid Spencer
a60ff2e144 A utility to run an arbitrary program on each of the LLVM source files. 
This is like llvmgrep but instead of running grep, it runs the command
given by the first argument. For example, to find the top ten files with
the most lines in llvm, you could:

utils/llvmdo wc -l | sort -nb | tail

Or, to find any source files with the wrong permissions, you could:

utils/llvmdo ls -l | grep -v rw-r--r--

Hopefully, you get the idea.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15246 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 22:52:44 +00:00
Misha Brukman
ab640a5728 Do not store the stack pointer if the stack size is 0. 
Also, convert C-style comments to C++ and make sure code wraps at 80 cols.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15245 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 22:00:26 +00:00
Misha Brukman
3ada3e3f82 ADDI can take several forms, including: 
addi r1, r2, 0
  addi r1, <frame index #n>, 0

so we must check for the second parameter being a register for this instruction
to be considered a reg-to-reg copy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15244 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 21:50:38 +00:00
Misha Brukman
8790d47453 assert() on MachineInstr properties instead of checking them dynamically 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15243 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 21:35:58 +00:00
Misha Brukman
774a297c83 * Recognize `addi r1, r2, 0' a move instruction 
* List formats of instructions currently recognized as moves


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15242 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 21:29:00 +00:00
Chris Lattner
1aab327293 Remove dead section 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15241 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 21:16:55 +00:00
Misha Brukman
8606aea117 Fix indentation: should be 2 spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15240 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 18:48:58 +00:00
Misha Brukman
91b5ca838a Fix file header as it has been renamed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15239 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 18:45:48 +00:00
Misha Brukman
c6d398abbb Renamed files to have the `X86' prefix for uniqueness purposes. 
All CVS history was renamed, the *,v were copied over.  No worries.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15238 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 18:43:11 +00:00
Misha Brukman
b097f216b0 * Rewrote casts 
* Implemented GEP folding
* Dynamically output global address stuff once per function
* Fix casting fp<->short/byte

Patch contributed by Nate Begeman.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15237 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 18:13:24 +00:00
Misha Brukman
cf8d244394 Increment the label number in runOnFunction() rather than while printing out 
some instruction.  Patch by Nate Begeman.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15236 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 16:28:33 +00:00
Misha Brukman
bb966a4a59 More notes on bugs, unimplemented features, and suggested code improvements. 
Written by Nate Begeman.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15235 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 16:23:55 +00:00
Misha Brukman
3c616b45e7 Fix subtracting values > 2^15 in the prologue/epilogue, by Nate Begeman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15234 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 16:22:52 +00:00
Reid Spencer
8f6c42ba84 Added another test case for double FP constants as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15233 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 15:04:13 +00:00
Chris Lattner
a000279a7d Implement DeadStoreElim/alloca.llx by observing that allocas are dead at the 
end of the function (either return or unwind)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15232 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 06:14:11 +00:00
Chris Lattner
a00064a383 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15231 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 06:11:42 +00:00
Chris Lattner
61d462760b Add some new methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15230 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 05:50:23 +00:00
Chris Lattner
558cb5f4a1 New methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15229 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 05:50:09 +00:00
Chris Lattner
8ea3f1b3bc Update test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15228 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 05:04:25 +00:00
Chris Lattner
595ee7ec26 Throttle back indvar substitution from creating multiplies in loops. This is bad bad bad. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15227 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 02:47:12 +00:00
Chris Lattner
8d65a06a3e Fix bug in previous patch :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15226 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 01:40:20 +00:00
Chris Lattner
badf091b47 Fix an extremely serious regression that was causing LLVM basic blocks to be 
scrambled around almost at random, having really bad effects on icache locality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15225 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 01:22:59 +00:00
Chris Lattner
1d78516c65 Fix a serious bug in the double constant reader. In particular, because 
(At[3] << 24) is an int type and it is being coerced to uint64_t, it was
getting sign extended, causing us to get FFFFFFFFxxxxxxxx constants all of
the time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15224 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-25 23:15:44 +00:00
Chris Lattner
a9d790c831 Temporarily disable this code, as it is emitting LLVM_NAN("nan") which results in a call to the 
glibc 'nan' function because the initializer is not a string.  This breaks when used in a global
initializer.  Try compiling this testcase for example:

%X = global float <some nan value>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15223 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-25 22:36:35 +00:00
Reid Spencer
f847432f77 Bugs fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15222 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-25 22:15:33 +00:00
Reid Spencer
cddc86f27c Avoid use of size(), which counts, in favor of other mechanisms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15221 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-25 21:44:54 +00:00
Reid Spencer
ada1618afa Always write FP values correctly. 
Adjust for new Module.h interface for dependent libraries.
Excise unused backwards compatibility flag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15220 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-25 21:36:26 +00:00
Reid Spencer
7d146e1107 Don't create a backwards compatibility flag for something that was a 
regression bug introduced in release 1.2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15219 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-25 21:32:51 +00:00