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56 Commits

Author SHA1 Message Date
Chris Lattner a643d528bd Patch for a new instcombine xform, patch contributed by Nick Lewycky! 
This implements Transforms/InstCombine/2006-05-10-InvalidIndexUndef.ll

llvm-svn: 28450
 2006-05-24 17:34:30 +00:00
Chris Lattner 17bd60588c Add supprot for shufflevector 
llvm-svn: 27513
 2006-04-08 01:19:12 +00:00
Chris Lattner 70ec96fa32 Adjust to change in Intrinsics.gen interface. 
llvm-svn: 27344
 2006-04-02 03:35:01 +00:00
Chris Lattner 60f6833376 use autogenerated side-effect information 
llvm-svn: 26673
 2006-03-09 22:38:10 +00:00
Robert Bocchino 027c18da98 ConstantFoldLoadThroughGEPConstantExpr wasn't handling pointers to 
packed types correctly.

llvm-svn: 25470
 2006-01-19 23:53:23 +00:00
Robert Bocchino e6336a9b69 Constant folding support for the insertelement operation. 
llvm-svn: 25407
 2006-01-17 20:07:07 +00:00
Reid Spencer b4f9a6f110 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.

llvm-svn: 25366
 2006-01-16 21:12:35 +00:00
Nate Begeman 82049eba2c Add bswap intrinsics as documented in the Language Reference 
llvm-svn: 25309
 2006-01-14 01:25:24 +00:00
Chris Lattner 5fba6e6696 it is ok to dce stacksave. 
llvm-svn: 25295
 2006-01-13 21:31:54 +00:00
Robert Bocchino 230044839d Added support for the extractelement operation. 
llvm-svn: 25181
 2006-01-10 19:05:34 +00:00
Chris Lattner 479911f971 Fix #include order 
llvm-svn: 24044
 2005-10-27 16:34:00 +00:00
John Criswell fe5f33b120 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.

llvm-svn: 24036
 2005-10-27 15:54:34 +00:00
Chris Lattner ea7214b23d Constant fold llvm.sqrt 
llvm-svn: 23487
 2005-09-28 01:34:32 +00:00
Chris Lattner c13c7b9376 Move the ConstantFoldLoadThroughGEPConstantExpr function out of the InstCombine 
pass.

llvm-svn: 23444
 2005-09-26 05:27:10 +00:00
Nate Begeman b392321cae 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

llvm-svn: 22664
 2005-08-04 23:24:19 +00:00
Jeff Cohen 5f4ef3c5a8 Eliminate all remaining tabs and trailing spaces. 
llvm-svn: 22523
 2005-07-27 06:12:32 +00:00
Andrew Lenharth d4b103107e prevent DCE of vaarg intrinsics. This should take care of most regressions 
llvm-svn: 22263
 2005-06-19 14:41:20 +00:00
Chris Lattner a36d525741 DCE intrinsic instructions without side effects. 
llvm-svn: 21719
 2005-05-06 05:27:34 +00:00
Reid Spencer c968ea0495 Remove optimizations that don't require both operands to be constant. These 
are moved to simplify-libcalls pass.

llvm-svn: 21614
 2005-04-29 05:55:35 +00:00
Reid Spencer ed55a6b5e0 * 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.

llvm-svn: 21611
 2005-04-28 23:01:59 +00:00
Misha Brukman b1c9317bb4 Remove trailing whitespace 
llvm-svn: 21427
 2005-04-21 23:48:37 +00:00
Chris Lattner 96db59e48a Enhance hasConstantValue to ignore undef values in phi nodes. This allows it 
to think that PHI[4, undef] == 4.

llvm-svn: 17096
 2004-10-17 21:23:26 +00:00
Reid Spencer 7c16caa336 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/.

llvm-svn: 16137
 2004-09-01 22:55:40 +00:00
Brian Gaeke 1ea8447089 Use new IsNAN() wrapper. 
llvm-svn: 14340
 2004-06-23 00:25:35 +00:00
Chris Lattner 46f60890a3 Comment out the isnan stuff until we get a proper autoconf test for it 
breaking the build on sparc is not acceptable.

llvm-svn: 14277
 2004-06-21 06:17:21 +00:00
Brian Gaeke 27b13253d9 I love the smell of a freshly broken PowerPC build in the morning. 
llvm-svn: 14206
 2004-06-17 22:27:04 +00:00
Chris Lattner f03f320b79 Fix compilation problem on freebsd. Problem noted by Vladimir Merzliakov in 
PR371

llvm-svn: 14203
 2004-06-17 21:20:52 +00:00
Brian Gaeke 20e09e5c7b Um, did someone make a typo or something? 
llvm-svn: 14192
 2004-06-15 23:09:50 +00:00
Chris Lattner 5a542aadc8 Remove support for the isnan intrinsic 
llvm-svn: 14186
 2004-06-15 21:37:54 +00:00
Brian Gaeke 21370771ba 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().

llvm-svn: 14171
 2004-06-14 06:33:19 +00:00
Alkis Evlogimenos e395468ae5 Add constant folding capabilities to the isunordered intrinsic. 
llvm-svn: 14168
 2004-06-13 01:23:56 +00:00
Chris Lattner ec941f7abb Constant fold the isnan intrinsic 
llvm-svn: 14150
 2004-06-11 06:16:23 +00:00
Chris Lattner c6e21fbd5c Implement constant folding of fmod, which is used a lot in povray 
llvm-svn: 13823
 2004-05-27 07:25:00 +00:00
Chris Lattner 06158d140c 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.

llvm-svn: 13821
 2004-05-27 06:26:28 +00:00
Alkis Evlogimenos f68f40ea42 Include cerrno (gcc-3.4 fix) 
llvm-svn: 13091
 2004-04-21 16:11:40 +00:00
Chris Lattner a43312d30b Add support for evaluation of exp/log/log10/pow 
llvm-svn: 13011
 2004-04-16 22:35:33 +00:00
Brian Gaeke 174633b078 Include <cmath> for compatibility with gcc 3.0.x (the system compiler on 
Debian.)

llvm-svn: 12986
 2004-04-16 15:57:32 +00:00
Chris Lattner ca52d0468e Add a simple call constant propagation interface. 
llvm-svn: 12919
 2004-04-13 19:28:52 +00:00
Chris Lattner cb015ee6c0 Add constant folding wrapper support for select instructions. 
llvm-svn: 12319
 2004-03-12 05:53:03 +00:00
Chris Lattner 6b052f2154 Clean up #includes 
llvm-svn: 10799
 2004-01-12 19:56:36 +00:00
Chris Lattner 429963742e Remove use of ConstantExpr::getShift 
llvm-svn: 10792
 2004-01-12 19:10:58 +00:00
Chris Lattner 2853a7ed22 Remove use of ConstantHandling 
llvm-svn: 10789
 2004-01-12 18:35:03 +00:00
Chris Lattner fc6c859a0c Move llvm::ConstantFoldInstruction from VMCore to here, next to ConstantFoldTerminator 
llvm-svn: 10785
 2004-01-12 18:25:22 +00:00
Chris Lattner 04efa4b155 Add new function 
llvm-svn: 10529
 2003-12-19 05:56:28 +00:00
Brian Gaeke 960707c335 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell 482202a601 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner c54d608377 Implement SimplifyCFG/2003-08-17-FoldSwitch.ll:test5 
llvm-svn: 8093
 2003-08-23 23:18:19 +00:00
Chris Lattner 821deeeffa Implement folding of switch instructions. 
Implements SimplifyCFG/2003-08-17-FoldSwitch.ll

llvm-svn: 7923
 2003-08-17 20:21:14 +00:00
Chris Lattner 031340a551 Fix bug: SimplifyCFG/2003-08-17-BranchFoldOrdering.ll 
llvm-svn: 7921
 2003-08-17 19:41:53 +00:00
Chris Lattner 4b7e3364c7 The fixme is irrelevant: if that happens, the LLVM bytecode is malformed. 
This fixes testcase: SimplifyCFG/2003-08-17-BranchFold.ll

llvm-svn: 7919
 2003-08-17 19:34:55 +00:00