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1306 Commits

Author SHA1 Message Date
Chris Lattner
2cfdd2854c Fix a crash compiling Obsequi 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26529 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 21:48:01 +00:00
Chris Lattner
5a3cf8de5d Be more conservative with our symbolic alias analysis. In particular, 
don't assume that A[1][0] and A[0][i] can't alias.  "i" might be out of
range, or even negative.  This fixes a miscompilation of 188.ammp (which
does bad pointer tricks) with the new CFE.

Testcase here: Analysis/BasicAA/2006-03-03-BadArraySubscript.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26515 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 02:06:34 +00:00
Chris Lattner
01ac91e2fd updates for recent changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26481 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 01:21:36 +00:00
Chris Lattner
03dd465215 Split memcpy/memset/memmove intrinsics into i32/i64 versions, resolving 
PR709, and paving the way for future progress.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26476 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 00:00:25 +00:00
Chris Lattner
60330ff193 add an assert 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26178 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 20:14:17 +00:00
Chris Lattner
ca1a4bebb3 Pull the InsertCastOfTo out of the header, implement CSE'ing of arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25973 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 09:51:53 +00:00
Chris Lattner
03f774ad80 Value# select instructions, allowing -gcse to remove duplicates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25969 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 09:15:29 +00:00
Chris Lattner
7238210e1f Add explicit iostream #includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25513 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-22 23:19:18 +00:00
Chris Lattner
86a5484079 Add explicit #includes of <iostream> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25509 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-22 22:53:01 +00:00
Reid Spencer
0b118206bf For PR411: 
This patch is an incremental step towards supporting a flat symbol table.
It de-overloads the intrinsic functions by providing type-specific intrinsics
and arranging for automatically upgrading from the old overloaded name to
the new non-overloaded name. Specifically:
  llvm.isunordered -> llvm.isunordered.f32, llvm.isunordered.f64
  llvm.sqrt -> llvm.sqrt.f32, llvm.sqrt.f64
  llvm.ctpop -> llvm.ctpop.i8, llvm.ctpop.i16, llvm.ctpop.i32, llvm.ctpop.i64
  llvm.ctlz -> llvm.ctlz.i8, llvm.ctlz.i16, llvm.ctlz.i32, llvm.ctlz.i64
  llvm.cttz -> llvm.cttz.i8, llvm.cttz.i16, llvm.cttz.i32, llvm.cttz.i64
New code should not use the overloaded intrinsic names. Warnings will be
emitted if they are used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25366 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-16 21:12:35 +00:00
Chris Lattner
25abb1dc09 Change ET-Forest to automatically recalculate its DFSnum's if too many slow 
queries are made.

Patch by Daniel Berlin!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25323 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-14 20:55:09 +00:00
Chris Lattner
c54b1c1f8b Add a new CallGraph::getOrInsertFunction for clients to use when updating 
the callgraph.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25317 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-14 20:03:00 +00:00
Chris Lattner
1694ec615f add a dump method to CallGraph 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25314 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-14 19:17:02 +00:00
Nate Begeman
6fb3bd6a65 Add bswap intrinsics as documented in the Language Reference 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25309 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-14 01:25:24 +00:00
Chris Lattner
45a0e9b04d Switch loopinfo to using ETForest instead of DominatorSet to compute itself. 
Patch by Daniel Berlin!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25199 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-11 05:08:29 +00:00
Reid Spencer
365320e49a Remove unused inclusion of SymbolTable.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25170 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-10 03:48:34 +00:00
Chris Lattner
10673b63b0 Fix a problem exposed by the et-forest work. Load-vn needs these passes live 
whenever it is live, not just when load-vn is computed initially


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25146 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-08 09:10:04 +00:00
Chris Lattner
ccacd3ccc2 Initial implementation of the ET-Forest data structure for dominators and 
post-dominators.  This code was written/adapted by Daniel Berlin!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25144 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-08 08:22:18 +00:00
Chris Lattner
4983cf7321 Make the -print-alias-sets pass work for printing out something other than 
the default aa impl results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25062 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-03 06:05:22 +00:00
Chris Lattner
03839956e2 Separate the call graph implementation from its interface. This implements 
the rough idea sketched out in http://nondot.org/sabre/LLVMNotes/CallGraphClass.txt,
allowing new spiffy implementations of the callgraph interface to be built.

Many thanks to Saem Ghani for contributing this!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24944 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-22 06:07:52 +00:00
John Criswell
61af913224 Prefix DSA specific options with dsa. 
Make the dsa-alloc-list and dsa-free-list options hidden.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24864 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-19 20:14:38 +00:00
John Criswell
3075160664 Added an option to specify the names of heap freeing functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24863 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-19 19:54:23 +00:00
John Criswell
fa70052063 Added a command line option that allows the user to specify a list of 
functions that allocate memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24862 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-19 17:38:39 +00:00
Sumant Kowshik
8a3802d5b2 Collapsing node if variable length struct with final field of length zero 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24621 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-06 18:04:30 +00:00
Chris Lattner
4b5086cc71 post-dom-frontiers requires proper post-dominance 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24409 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-18 07:28:26 +00:00
Andrew Lenharth
f6947c1bb8 prevent cse of readcyclecounter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24303 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-11 19:02:54 +00:00
Andrew Lenharth
51b8d54922 continued readcyclecounter support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24300 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-11 16:47:30 +00:00
Chris Lattner
df14a04b5c Fix a problem that Nate noticed with LSR: 
When inserting code for an addrec expression with a non-unit stride, be
more careful where we insert the multiply.  In particular, insert the multiply
in the outermost loop we can, instead of the requested insertion point.

This allows LSR to notice the mul in the right loop, reducing it when it gets
to it.  This allows it to reduce the multiply, where before it missed it.

This happens quite a bit in the test suite, for example, eliminating 2
multiplies in art, 3 in ammp, 4 in apsi, reducing from 1050 multiplies to
910 muls in galgel (!), from 877 to 859 in applu, and 36 to 30 in bzip2.

This speeds up galgel from 16.45s to 16.01s, applu from 14.21 to 13.94s and
fourinarow from 66.67s to 63.48s.

This implements Transforms/LoopStrengthReduce/nested-reduce.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24102 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 06:24:33 +00:00
Chris Lattner
eb99bd30e9 remove a dead file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24085 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 04:43:38 +00:00
John Criswell
bd9d37026a Move some constant folding functions into LLVMAnalysis since they are used 
by Analysis and Transformation passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24038 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-27 16:00:10 +00:00
John Criswell
a115643357 Move some constant folding code shared by Analysis and Transform passes 
into the LLVMAnalysis library.
This allows LLVMTranform and LLVMTransformUtils to be archives and linked
with LLVMAnalysis.a, which provides any missing definitions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24036 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-27 15:54:34 +00:00
Chris Lattner
f941a0fe6c Remove this pass, it is not useful 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23949 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-24 02:35:43 +00:00
Chris Lattner
f36aeedaa3 DONT_BUILD_RELINKED is gone and implied by BUILD_ARCHIVE now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23940 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-24 02:26:13 +00:00
Chris Lattner
ab0ed3592b Only build .a file versions of these libraries, instead of .a and .o versions. 
This should speed up build times.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23933 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-24 01:59:48 +00:00
Chris Lattner
83753937a6 don't bother building the archive version of this library 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23927 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-24 01:08:20 +00:00
Chris Lattner
4fb1b21b31 expose a ctor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23924 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-24 01:00:45 +00:00
Chris Lattner
6d796238b2 implement some prototypes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23920 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-24 00:38:38 +00:00
Chris Lattner
25d196880b move this to the analyze tool 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23918 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-24 00:27:36 +00:00
Chris Lattner
bed21de39b wrap a long line 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23507 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 22:30:58 +00:00
Chris Lattner
b6a69e70e0 Add a new getLoopLatch() method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23315 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-12 17:03:55 +00:00
Chris Lattner
ab466d769a floor/ceil don't read/write memory. This allows gcse to eliminate 6 calls 
in mesa.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23015 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 16:58:56 +00:00
Chris Lattner
ff2006aa74 Fix Transforms/LoopStrengthReduce/2005-08-15-AddRecIV.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22797 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 00:37:01 +00:00
Chris Lattner
db25de496c Teach LLVM to know how many times a loop executes when constructed with 
a < expression, e.g.: for (i = m; i < n; ++i)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22793 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-15 23:33:51 +00:00
Chris Lattner
05bd374b1f Fix an obvious oops 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22742 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-10 00:59:40 +00:00
Chris Lattner
a0740fbcc7 implement two helper methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22736 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-09 23:36:33 +00:00
Misha Brukman
e2d7fdf62c * Unbreak optimized build (noticed by Eric van Riet Paap) 
* Comment #endif clauses for readability


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22646 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-04 14:16:48 +00:00
Chris Lattner
b06f677c53 add support for Graphviz when viewing CFGs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22620 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 17:55:05 +00:00
Nate Begeman
36f891bdf6 Break SCEVExpander out of IndVarSimplify into its own .h/.cpp file so that 
other passes may use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22557 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:12:19 +00:00
Jeff Cohen
00b16889ab Eliminate all remaining tabs and trailing spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22523 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 06:12:32 +00:00
Andrew Lenharth
d3513e026b Remove glibc specific functions, and mark a couple as C99 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22384 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-11 20:35:20 +00:00