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379 Commits

Author SHA1 Message Date
Chris Lattner
77a2a9d9da Implement test/Regression/Transforms/GlobalConstifier/phi-select.llx 
This allows more globals to be marked constant, particularly global arrays.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15735 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-14 20:57:17 +00:00
Chris Lattner
8528672e7e "extract" the block extractor pass from bugpoint (haha) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15714 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-13 03:05:17 +00:00
Chris Lattner
ee45f4cbe4 This patch makes the inliner refuse to inline functions that have alloca 
instructions in the body of the function (not the entry block).  This fixes
test/Programs/SingleSource/Regression/C/2004-08-12-InlinerAndAllocas.c
and test/Programs/External/SPEC/CINT2000/176.gcc on zion.

This should obviously be pulled into 1.3.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15684 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-12 05:45:09 +00:00
Chris Lattner
54970c0328 Fix another really nasty regression that Anshu pointed out. In cases where 
dangling constant users were removed from a function, causing it to be dead,
we never removed the call graph edge from the external node to the function.

In most cases, this didn't cause a problem (by luck).  This should definitely
go into 1.3


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15570 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-08 03:29:50 +00:00
Misha Brukman
47b14a4a6a Fix #includes of i*.h => Instructions.h as per PR403. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15334 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-29 17:30:56 +00:00
Chris Lattner
9ce300013d Ignore instructions that are in trivially dead functions. This allows us 
to constify 14 globals instead of 4 in a trivial C++ testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15027 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-20 03:58:07 +00:00
Chris Lattner
8919cccc3d Fix a performance regression from the CPR patch, simplify code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14974 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 21:34:16 +00:00
Chris Lattner
96940cb522 Strip out and simplify some code. This also fixes the regression last 
night compiling cfrac.  It did not realize that code like this:

int G; int *H = &G;

takes the address of G.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14973 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 19:56:20 +00:00
Reid Spencer
3188cab989 Avoid an unnecessary isa<Constant>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14963 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 08:31:18 +00:00
Chris Lattner
25c6d68029 Remove useless statistic, fix some slightly broken logic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14958 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 07:22:58 +00:00
Chris Lattner
5827aebe64 Fix a rather serious bug in previous checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14957 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 06:56:58 +00:00
Reid Spencer
518310cb0d bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14953 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:44:37 +00:00
Reid Spencer
460f16c625 bug 122: 
- Minimize redundant isa<GlobalValue> usage


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14948 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:32:14 +00:00
Reid Spencer
0c4a0418d3 bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Rename methods to get ride of ConstantPointerRef usage


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14945 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:25:04 +00:00
Reid Spencer
3178158918 bug 122: 
- Excise dead CPR procesing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14944 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:23:51 +00:00
Chris Lattner
fdd9f1facc Remove unused file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14460 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:46:58 +00:00
Chris Lattner
65f437ce7b These passes are long dead/obsolete. They never worked in the first place 
and are a maintenence burden.  Nuke nuke nuke


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14457 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:44:18 +00:00
Misha Brukman
e5d6dab09e File depends on DSA, moved to lib/Analysis/DataStructure 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14325 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-22 18:11:38 +00:00
Chris Lattner
beabf45a69 Make order of argument addition deterministic. In particular, the layout 
of ConstantInt objects in memory used to determine which order arguments
were added in in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14276 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-21 00:07:58 +00:00
Chris Lattner
cf5933a716 Fix the inliner to be deterministic, not letting its output depend on the 
relative location of Function objects in memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14260 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-20 04:11:48 +00:00
Chris Lattner
e5ad50b2e8 Do not function resolve intrinsics. This prevents warnings and possible bad 
things from happening due to

declare bool %llvm.isunordered(double, double)
declare bool %llvm.isunordered(float, float)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14219 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 05:50:48 +00:00
Chris Lattner
f70c22b019 Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14201 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 18:19:28 +00:00
John Criswell
e7b9a1a5f2 Fix a bug in the -deadtypeelim pass. The SymbolTable re-write changed it 
to eliminate the wrong type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13855 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-27 21:16:46 +00:00
Reid Spencer
9231ac8b6f Convert to SymbolTable's new iteration interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13754 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-25 08:53:40 +00:00
Chris Lattner
b11a99bd39 Fix a bug in my previous checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13717 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-24 06:24:46 +00:00
Chris Lattner
befa499d45 Fix cases where we missed inlining some more obvious candidates because the 
caller was in an SCC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13693 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-23 21:22:17 +00:00
Chris Lattner
74c68ffd5f Simplify the interface and remove an unneeded #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13692 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-23 21:21:35 +00:00
Chris Lattner
9e7cc2f0d4 Fairly substantial changes to update the alias analysis we are querying as 
we make the transformation.  This allows us to use interprocedural alias
analyses successfully.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13691 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-23 21:21:17 +00:00
Misha Brukman
7d248397a7 Clarify the logic: the flag is renamed to `deleteFn' to signify it will delete 
the function instead of isolating it. This also means the condition is reversed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13112 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-22 23:00:51 +00:00
Misha Brukman
79906c9825 Add a flag to choose between isolating a function or deleting the function from 
the Module. The default behavior keeps functionality as before: the chosen
function is the one that remains.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13111 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-22 22:52:22 +00:00
Chris Lattner
3e1358a9fa Fix an incredibly nasty iterator invalidation problem. I am too spoiled by ilists :) 
Eventually it would be nice if CallGraph maintained an ilist of CallGraphNode's instead
of a vector of pointers to them, but today is not that day.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13100 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-21 20:44:33 +00:00
Chris Lattner
107fb18d89 Fix typeo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13089 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-21 14:23:18 +00:00
Chris Lattner
68d57e7ae8 REALLY fix PR324: don't delete linkonce functions until after the SCC traversal 
is done, which avoids invalidating iterators in the SCC traversal routines


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13088 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-20 22:06:53 +00:00
Chris Lattner
5ad2b1d544 Fix PR324 and testcase: Inline/2004-04-20-InlineLinkOnce.llx 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13080 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-20 20:20:59 +00:00
Chris Lattner
f1ab4b4eac Change the ExitBlocks list from being explicitly contained in the Loop 
structure to being dynamically computed on demand.  This makes updating
loop information MUCH easier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13045 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 22:14:10 +00:00
Chris Lattner
ce1a3a292d Actually update the call graph as the inliner changes it. This allows us to 
execute other CallGraphSCCPasses after the inliner without crashing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12861 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 05:37:29 +00:00
Chris Lattner
85eb157d96 Stop printing Function* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12857 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 04:06:56 +00:00
Chris Lattner
d08ddd3300 Simplify code a bit, and be sure to mark the external node as potentially throwing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12856 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 04:06:38 +00:00
Chris Lattner
775cbdd51a Remove the "really gross hacks" that are there to deal with recursive functions. 
Now we collect all of the call sites we are interested in inlining, then inline
them.  This entirely avoids issues with trying to inline a call site we got by
inlining another call site.  This also eliminates iterator invalidation issues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12770 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-08 06:34:31 +00:00
Chris Lattner
f6e43bc796 Add statistics to the loop extractor. The loop extractor has successfully 
extracted all 63 loops for Olden/bh without crashing and without
miscompiling the program!!!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12491 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 05:46:10 +00:00
Chris Lattner
fdded9f95a Fix problem with PHI nodes having multiple predecessors from different 
exit nodes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12490 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 05:43:18 +00:00
Chris Lattner
369287bab5 The code extractor needs dominator info. Provide it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12483 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 03:48:06 +00:00
Chris Lattner
6dd196f762 Restore old inlining heuristic. As the comment indicates, this is a nasty 
horrible hack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12423 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-15 06:38:14 +00:00
Chris Lattner
5156c39d64 Fix several bugs in the loop extractor. In particular, subloops were never 
extracted, and a function that contained a single top-level loop never had
the loop extracted, regardless of how much non-loop code there was.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12403 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-15 00:02:02 +00:00
Chris Lattner
41bc0b069c Split into two passes. Now there is the general loop extractor, usable on 
the command line, and the single loop extractor, usable by bugpoint


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12390 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 20:01:36 +00:00
Chris Lattner
97836fad2c Passes don't print stuff! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12385 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 04:17:53 +00:00
Chris Lattner
16d0eb0468 FunctionPass's should not define their own 'run' method. 
Require 'simplified' loops, not just raw natural loops.  This fixes
CodeExtractor/2004-03-13-LoopExtractorCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12381 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 04:01:06 +00:00
Chris Lattner
1e3cb34753 Move prototype to IPO.h instead of Scalar.h 
Make sure that the file interface header (IPO.h) is included first
remove dead #incldue


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12375 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 02:37:16 +00:00
Chris Lattner
efddcfa0df Indent anon namespace properly, add copyright block 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12373 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 02:34:07 +00:00
Chris Lattner
c3c8703c3b Move to the IPO library. Utils shouldn't contain passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12372 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 02:32:27 +00:00