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818 Commits

Author SHA1 Message Date
Chris Lattner
a82d691caa simplify code for propagation of constant arguments into 
callees.

llvm-svn: 50142
 2008-04-23 06:16:27 +00:00
Chris Lattner
5f1802cfdf Fix a number of bugs in ipconstantprop, simplify the code, fit in 80 cols, 
fix read after free bug (PR2238).

llvm-svn: 50141
 2008-04-23 05:59:23 +00:00
Chris Lattner
ad0d42ba15 don't assume that the argument passed to fprintf("%s" is a string. This 
fixes a crash in opt on 433.milc.

llvm-svn: 50023
 2008-04-21 03:18:33 +00:00
Chris Lattner
eb6bb803a7 Allow argpromote to promote struct arguments with a specified number 
of elements.  Patch by Matthijs Kooijman!

llvm-svn: 49962
 2008-04-19 19:50:01 +00:00
Chris Lattner
a29d2536aa Disable an xform we've had for a long time, pow(x,0.5) -> sqrt. 
This is not safe for all inputs.

llvm-svn: 49458
 2008-04-10 02:07:51 +00:00
Chris Lattner
802134fc02 Generalize getUnaryFloatFunction to handle any FP unary function, automatically 
figuring out the suffix to use.  implement pow(2,x) -> exp2(x).

llvm-svn: 49437
 2008-04-09 17:48:11 +00:00
Chris Lattner
cca74e5ab9 use the new ConstantFP::get method to make this work with 
long double and simplify the code.

llvm-svn: 49435
 2008-04-09 17:17:35 +00:00
Chris Lattner
b859fb49ed many cleanups to the pow optimizer. Allow it to handle powf, 
add support for  pow(x, 2.0) -> x*x.

llvm-svn: 49411
 2008-04-09 00:07:45 +00:00
Duncan Sands
813384951e Use Intrinsic::getDeclaration in more places. 
llvm-svn: 49338
 2008-04-07 13:45:04 +00:00
Gabor Greif
e9ecc68d8f API changes for class Use size reduction, wave 1. 
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.

llvm-svn: 49277
 2008-04-06 20:25:17 +00:00
Evan Cheng
ac38d444e2 1. Drop default inline threshold back down to 200. 
2. Do not use # of basic blocks as part of the cost computation since it doesn't really figure into function size.
3. More aggressively inline function with vector code.

llvm-svn: 49061
 2008-04-01 23:59:29 +00:00
Evan Cheng
3471ae8c5d Increasing the inline limit from (overly conservative) 200 to 300. Given each BB costs 20 and each instruction costs 5, 200 means a 4 BB function + 24 instructions (actually less because caller's size also contributes to it). 
Furthermore, double the limit when more than 10% of the callee instructions are vector instructions. Multimedia kernels tend to love inlining.

llvm-svn: 48725
 2008-03-24 06:37:48 +00:00
Dan Gohman
9988569af8 Don't include <map> in Pass.h, which doesn't need it. This requires 
adding <map> to many files that actually do need it.

llvm-svn: 48667
 2008-03-21 23:51:57 +00:00
Andrew Lenharth
74d154ce57 FunctionExtractorPass has been superceded by GVExtractorPass 
llvm-svn: 48648
 2008-03-21 16:46:53 +00:00
Devang Patel
5ca2ea6479 Incorporate feedback. 
- Fix loop nest.
- Use RetVals.size()
- Check for null return value.

llvm-svn: 48605
 2008-03-20 18:30:32 +00:00
Zhou Sheng
a30cdb9417 Take the old function's name. 
llvm-svn: 48588
 2008-03-20 08:05:05 +00:00
Chris Lattner
8a923e7c28 Reimplement the parameter attributes support, phase #1. hilights: 
1. There is now a "PAListPtr" class, which is a smart pointer around
   the underlying uniqued parameter attribute list object, and manages
   its refcount.  It is now impossible to mess up the refcount.
2. PAListPtr is now the main interface to the underlying object, and
   the underlying object is now completely opaque.
3. Implementation details like SmallVector and FoldingSet are now no
   longer part of the interface.
4. You can create a PAListPtr with an arbitrary sequence of
   ParamAttrsWithIndex's, no need to make a SmallVector of a specific 
   size (you can just use an array or scalar or vector if you wish).
5. All the client code that had to check for a null pointer before
   dereferencing the pointer is simplified to just access the 
   PAListPtr directly.
6. The interfaces for adding attrs to a list and removing them is a
   bit simpler.

Phase #2 will rename some stuff (e.g. PAListPtr) and do other less 
invasive changes.

llvm-svn: 48289
 2008-03-12 17:45:29 +00:00
Devang Patel
cc189b5606 Check multiple return values. 
llvm-svn: 48267
 2008-03-12 00:32:32 +00:00
Devang Patel
fa8667a2dd Fix attribute handling. 
llvm-svn: 48262
 2008-03-12 00:07:03 +00:00
Devang Patel
7358165c99 Handle multiple ret values. 
llvm-svn: 48254
 2008-03-11 22:24:29 +00:00
Devang Patel
f6269f0914 Initialize. 
llvm-svn: 48253
 2008-03-11 22:08:21 +00:00
Nick Lewycky
fb2c1a999a Turn unwind_to into "unwinds to". 
llvm-svn: 48123
 2008-03-10 02:20:00 +00:00
Ted Kremenek
d48ed17d18 Fix some compilation errors on msvc: 
- "Redefinition of I" (iterator masks previous definition)
- include missing header file

Patch by Argiris Kirtzidis!

llvm-svn: 48115
 2008-03-09 18:32:50 +00:00
Nick Lewycky
0ac65c3b99 And again. 
llvm-svn: 48112
 2008-03-09 17:13:05 +00:00
Nick Lewycky
929703b29e Braces belong here. No functionality change. 
llvm-svn: 48111
 2008-03-09 17:11:18 +00:00
Nick Lewycky
4d0ed842b1 Prune the unwind_to labels on BBs that don't need them. Another step in the 
removal of invoke, PR1269.

llvm-svn: 48084
 2008-03-09 04:55:16 +00:00
Andrew Lenharth
3f13b6630a add a pass that can extract all kinds of global values, not just functions. Update llvm-extract to use it and optionally extract a global variable if you want it too 
llvm-svn: 48015
 2008-03-07 19:51:57 +00:00
Devang Patel
26cabc447c Skip, for now, callsites where use of sret argument is not dominated by callsite. 
llvm-svn: 47980
 2008-03-05 23:39:23 +00:00
Devang Patel
ea4cb89d34 Filter nested structs 
llvm-svn: 47906
 2008-03-04 21:32:09 +00:00
Devang Patel
297ea0de75 Use appropriate index to get the result value. 
llvm-svn: 47897
 2008-03-04 19:22:54 +00:00
Devang Patel
748c77f530 Skip sret attribute while preparing attribute list for 
new function and new call sites.

llvm-svn: 47896
 2008-03-04 19:12:58 +00:00
Devang Patel
ed6e4b0b7d Increment counter that keeps track of total number of sret promoted. 
llvm-svn: 47892
 2008-03-04 17:48:11 +00:00
Devang Patel
6bb36e686d Skip declarations. 
llvm-svn: 47890
 2008-03-04 17:47:06 +00:00
Devang Patel
5b69f3fa33 Process externally visible functions also. Later on code generator will do the right thing. 
llvm-svn: 47889
 2008-03-04 17:46:26 +00:00
Devang Patel
ecce5af83d Collect statistics. 
llvm-svn: 47888
 2008-03-04 17:44:37 +00:00
Devang Patel
9d91785987 s/isReturnStruct()/hasStructRetAttr()/g 
llvm-svn: 47857
 2008-03-03 21:46:28 +00:00
Devang Patel
b0faf89133 Preserve paramater attributes. 
llvm-svn: 47847
 2008-03-03 18:36:03 +00:00
Chris Lattner
a683edb2d8 allow specified inline threshold to be negative, as the value is 
itself sometimes negative.

llvm-svn: 47786
 2008-03-01 08:09:51 +00:00
Devang Patel
e8ddaba169 Fix cut-n-pasto. 
llvm-svn: 47777
 2008-02-29 23:41:13 +00:00
Devang Patel
4eedfd2421 Add pass to promote sret. 
This pass transforms 

  %struct._Point = type { i32, i32, i32, i32, i32, i32 }
  define internal void @foo(%struct._Point* sret  %agg.result)

into

  %struct._Point = type { i32, i32, i32, i32, i32, i32 }
  define internal %struct._Point @foo()

This pass updates foo() clients appropriately to use
getresult instruction to extract return values.

This pass is not yet ready for prime time.

llvm-svn: 47776
 2008-02-29 23:34:08 +00:00
Dale Johannesen
09f410b6d7 Split ParameterAttributes.h, putting the complicated 
stuff into ParamAttrsList.h.  Per feedback from
ParamAttrs changes.

llvm-svn: 47504
 2008-02-22 22:17:59 +00:00
Anton Korobeynikov
6f74afea32 Get rid of hash_map. Use StringMap instead 
llvm-svn: 47373
 2008-02-20 11:27:49 +00:00
Anton Korobeynikov
1bfd121321 Make Transforms to be 4.3 warnings-clean 
llvm-svn: 47371
 2008-02-20 11:26:25 +00:00
Anton Korobeynikov
579f07135a Unbreak build with gcc 4.3: provide missed includes and silence most annoying warnings. 
llvm-svn: 47367
 2008-02-20 11:08:44 +00:00
Dale Johannesen
89268bc6e2 Expand ParameterAttributes to 32 bits (in preparation 
for adding alignment info, not there yet).  Clean up
interfaces to reference ParameterAttributes consistently.

llvm-svn: 47342
 2008-02-19 21:38:47 +00:00
Duncan Sands
85fab3a3ad Simplify caller updating using a CallSite, as 
requested by Chris.  While there, do the same
for an existing function committed by someone
called "lattner" :)

llvm-svn: 47273
 2008-02-18 17:32:13 +00:00
Duncan Sands
573b3f89e4 Remove any 'nest' parameter attributes if the function 
is not passed as an argument to a trampoline intrinsic.

llvm-svn: 47220
 2008-02-16 20:56:04 +00:00
Chris Lattner
67b9ef7be8 remove some dead code. 
llvm-svn: 47066
 2008-02-13 17:18:26 +00:00
Duncan Sands
9aa789fda3 Don't drop function/call return attributes like 'nounwind'. 
llvm-svn: 46645
 2008-02-01 20:37:16 +00:00
Chris Lattner
ade0abb498 Don't let globalopt hack on volatile loads or stores. 
llvm-svn: 46523
 2008-01-29 19:01:37 +00:00