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35 Commits

Author SHA1 Message Date
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
Misha Brukman 373086db75 Hopefully, the final fix for `[Pp]ropogate'. 
llvm-svn: 6251
 2003-05-20 21:01:22 +00:00
Chris Lattner 4869f3700e Rename Instruction::hasSideEffects() -> mayWriteToMemory() 
llvm-svn: 5620
 2003-02-24 20:48:32 +00:00
Chris Lattner fda72b1aad *** empty log message *** 
llvm-svn: 2777
 2002-06-25 16:12:52 +00:00
Chris Lattner ab038d44b0 Simplify the interface to local DCE and Constant prop 
llvm-svn: 2749
 2002-05-26 20:18:18 +00:00
Chris Lattner 4b009adc77 Simplify interface to ConstantFoldTerminator 
llvm-svn: 2697
 2002-05-21 20:04:50 +00:00
Chris Lattner 28537dff72 Add code pulled out of TransformInternals.cpp, ConstProp.cpp, and DCE.cpp 
llvm-svn: 2513
 2002-05-07 18:07:59 +00:00