Chris Lattner
eaa243039b
Fix hoisting of void typed values, e.g. calls
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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
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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
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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
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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
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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
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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
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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Fix out of date comment
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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
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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
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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.
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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
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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
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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
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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
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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
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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
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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.
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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.
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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:
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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
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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
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* 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
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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.
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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.
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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.
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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
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* 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
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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.
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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.
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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.
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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
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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
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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
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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
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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
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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.
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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 :(
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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
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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
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(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
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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.
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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.
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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.
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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
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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
Reid Spencer
5ac8812c54
Adjust to new Module.h interface for dependent libraries.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15218 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-25 21:32:02 +00:00
Reid Spencer
feaf10e571
Adjust to new Module.h interface for dependent libraries
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Remove mem leaks resulting from not freeing parse strings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15217 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-25 21:30:51 +00:00
Reid Spencer
c9a1f0dcdd
Adjust to new Module.h interface for dependent libraries
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Only write the target triple and deplibs if they are non-empty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15216 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-25 21:29:43 +00:00
Reid Spencer
641588bb3e
Reduce the footprint of the dependent library interface
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Document the dependent library interface
Constify the std::string& parameters in the dep lib interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15215 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-25 21:28:19 +00:00
Chris Lattner
34a1005737
Fix a latent bug in the AliasSetTracker that was exposed by the FreeInst additions and broke a bunch of programs last night.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15214 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-25 18:32:01 +00:00