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58 Commits

Author SHA1 Message Date
Chris Lattner
4b30fcb5f5 Refactor some code to expose an interface to constant fold and instruction given it's opcode, typeand operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28517 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 01:18:04 +00:00
Chris Lattner
99f2af2dee Revert a patch that is unsafe, due to out of range array accesses in inner 
array scopes possibly accessing valid memory in outer subscripts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28478 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 21:25:12 +00:00
Chris Lattner
a04c0c417b Patch for a new instcombine xform, patch contributed by Nick Lewycky! 
This implements Transforms/InstCombine/2006-05-10-InvalidIndexUndef.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28450 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 17:34:30 +00:00
Chris Lattner
543abdf1d0 Add supprot for shufflevector 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27513 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-08 01:19:12 +00:00
Chris Lattner
7224f84c15 Adjust to change in Intrinsics.gen interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27344 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 03:35:01 +00:00
Chris Lattner
aeebe7f208 use autogenerated side-effect information 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26673 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-09 22:38:10 +00:00
Robert Bocchino
d900c6a8b3 ConstantFoldLoadThroughGEPConstantExpr wasn't handling pointers to 
packed types correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25470 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-19 23:53:23 +00:00
Robert Bocchino
956fd7254f Constant folding support for the insertelement operation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25407 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-17 20:07:07 +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
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
5522037136 it is ok to dce stacksave. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25295 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-13 21:31:54 +00:00
Robert Bocchino
b52ee7f5ff Added support for the extractelement operation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25181 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-10 19:05:34 +00:00
Chris Lattner
cbbc6b74e3 Fix #include order 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24044 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-27 16:34:00 +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
32643d8e05 Constant fold llvm.sqrt 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23487 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 01:34:32 +00:00
Chris Lattner
c5f52e6da1 Move the ConstantFoldLoadThroughGEPConstantExpr function out of the InstCombine 
pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23444 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-26 05:27:10 +00:00
Nate Begeman
a83ba0f5c9 Fix a fixme in CondPropagate.cpp by moving a PhiNode optimization into 
BasicBlock's removePredecessor routine.  This requires shuffling around
the definition and implementation of hasContantValue from Utils.h,cpp into
Instructions.h,cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22664 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-04 23:24:19 +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
94cd87f658 prevent DCE of vaarg intrinsics. This should take care of most regressions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22263 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-19 14:41:20 +00:00
Chris Lattner
ec710c5b12 DCE intrinsic instructions without side effects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21719 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-06 05:27:34 +00:00
Reid Spencer
df4945bcb5 Remove optimizations that don't require both operands to be constant. These 
are moved to simplify-libcalls pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21614 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-29 05:55:35 +00:00
Reid Spencer
1d3b71846b * Add constant folding for additional floating point library calls such as 
sinh, cosh, etc.
* Make the name comparisons for the fp libcalls a little more efficient by
  switching on the first character of the name before doing comparisons.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21611 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-28 23:01:59 +00:00
Misha Brukman
fd93908ae8 Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21427 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-21 23:48:37 +00:00
Chris Lattner
8143c2bc0d Enhance hasConstantValue to ignore undef values in phi nodes. This allows it 
to think that PHI[4, undef] == 4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17096 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 21:23:26 +00:00
Reid Spencer
551ccae044 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16137 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-09-01 22:55:40 +00:00
Brian Gaeke
1f2b892b4b Use new IsNAN() wrapper. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14340 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-23 00:25:35 +00:00
Chris Lattner
30c02f7eff Comment out the isnan stuff until we get a proper autoconf test for it 
breaking the build on sparc is not acceptable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14277 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-21 06:17:21 +00:00
Brian Gaeke
afe16e1742 I love the smell of a freshly broken PowerPC build in the morning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14206 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:27:04 +00:00
Chris Lattner
5253f05709 Fix compilation problem on freebsd. Problem noted by Vladimir Merzliakov in 
PR371


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14203 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 21:20:52 +00:00
Brian Gaeke
83a7049270 Um, did someone make a typo or something? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14192 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 23:09:50 +00:00
Chris Lattner
c45ef6d395 Remove support for the isnan intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14186 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:37:54 +00:00
Brian Gaeke
fda2cce3bf Quick hack to get this file compiling again on Mac OS X. The right thing to do 
is write an autoconf macro that checks whether __isnan or isnan actually works
**using the C++ compiler after #include <cmath>**, instead of doing it the easy
way with AC_CHECK_FUNCS().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14171 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-14 06:33:19 +00:00
Alkis Evlogimenos
df497317f1 Add constant folding capabilities to the isunordered intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14168 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-13 01:23:56 +00:00
Chris Lattner
cf11035a6f Constant fold the isnan intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14150 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 06:16:23 +00:00
Chris Lattner
8dfe5705b1 Implement constant folding of fmod, which is used a lot in povray 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13823 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-27 07:25:00 +00:00
Chris Lattner
b18b9d7374 Restructure call constant folding code a bit to make it simpler 
Add support for acos/asin/atan.  188.ammp contains three calls to acos with
constant arguments.  Constant folding it allows elimination of those 3 calls
and three FP divisions of the results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13821 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-27 06:26:28 +00:00
Alkis Evlogimenos
09233fb86e Include cerrno (gcc-3.4 fix) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13091 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-21 16:11:40 +00:00
Chris Lattner
f5b9eb37a9 Add support for evaluation of exp/log/log10/pow 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13011 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-16 22:35:33 +00:00
Brian Gaeke
c598517c24 Include <cmath> for compatibility with gcc 3.0.x (the system compiler on 
Debian.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12986 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-16 15:57:32 +00:00
Chris Lattner
25b8390bf2 Add a simple call constant propagation interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12919 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 19:28:52 +00:00
Chris Lattner
17fd273512 Add constant folding wrapper support for select instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12319 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-12 05:53:03 +00:00
Chris Lattner
7822c2ae07 Clean up #includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10799 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-12 19:56:36 +00:00
Chris Lattner
c6646ebdb9 Remove use of ConstantExpr::getShift 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10792 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-12 19:10:58 +00:00
Chris Lattner
81ebc30089 Remove use of ConstantHandling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10789 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-12 18:35:03 +00:00
Chris Lattner
8f90b005d6 Move llvm::ConstantFoldInstruction from VMCore to here, next to ConstantFoldTerminator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10785 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-12 18:25:22 +00:00
Chris Lattner
abbc2dd779 Add new function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10529 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-19 05:56:28 +00:00
Brian Gaeke
d0fde30ce8 Put all LLVM code into the llvm namespace, as per bug 109. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 22:41:34 +00:00
John Criswell
b576c94c15 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9298 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 19:43:21 +00:00
Chris Lattner
7d6c24cdbf Implement SimplifyCFG/2003-08-17-FoldSwitch.ll:test5 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8093 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-23 23:18:19 +00:00
Chris Lattner
10b1f5a941 Implement folding of switch instructions. 
Implements SimplifyCFG/2003-08-17-FoldSwitch.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7923 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-17 20:21:14 +00:00