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149 Commits

Author SHA1 Message Date
Owen Anderson
3d0e1b855d Privatize the StructType table, which unfortunately involves routing contexts through a number of APIs. 
llvm-svn: 78258
 2009-08-05 23:16:16 +00:00
Owen Anderson
1dc40e205b Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are 
metadata related, which I'm waiting on to avoid conflicting with Devang.

llvm-svn: 77721
 2009-07-31 20:28:14 +00:00
Owen Anderson
d0e6352c97 Move getTrue() and getFalse() to 2.5-like APIs. 
llvm-svn: 77685
 2009-07-31 17:39:07 +00:00
Owen Anderson
93ccaf5c60 Move more code back to 2.5 APIs. 
llvm-svn: 77635
 2009-07-30 23:03:37 +00:00
Owen Anderson
881d928f9b Move types back to the 2.5 API. 
llvm-svn: 77516
 2009-07-29 22:17:13 +00:00
Owen Anderson
0ce2151b36 Move ConstantExpr to 2.5 API. 
llvm-svn: 77494
 2009-07-29 18:55:55 +00:00
Owen Anderson
390e9778d4 Return ConstantVector to 2.5 API. 
llvm-svn: 77366
 2009-07-28 21:19:26 +00:00
Owen Anderson
aa8c94b051 Change ConstantArray to 2.5 API. 
llvm-svn: 77347
 2009-07-28 18:32:17 +00:00
Owen Anderson
d729f993b8 Move ConstantStruct back to 2.5 API. 
llvm-svn: 77266
 2009-07-27 22:29:26 +00:00
Owen Anderson
256c2c250e Move ConstantFP construction back to the 2.5-ish API. 
llvm-svn: 77247
 2009-07-27 20:59:43 +00:00
Owen Anderson
cc33e89571 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 
llvm-svn: 77011
 2009-07-24 23:12:02 +00:00
Owen Anderson
7f61f8dc30 Rename getConstantInt{True|False} to get{True|False} at Chris' behest. 
llvm-svn: 76598
 2009-07-21 18:03:38 +00:00
Torok Edwin
f955a6ef49 llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").

llvm-svn: 75640
 2009-07-14 16:55:14 +00:00
Owen Anderson
3e807fb553 Inline EvalVectorOp in order to get rid of passing-pointer-to-static-methods behavior. 
llvm-svn: 75538
 2009-07-13 22:41:06 +00:00
Owen Anderson
393d8b0a0c Begin the painful process of tearing apart the rat'ss nest that is Constants.cpp and ConstantFold.cpp. 
This involves temporarily hard wiring some parts to use the global context.  This isn't ideal, but it's
the only way I could figure out to make this process vaguely incremental.

llvm-svn: 75445
 2009-07-13 04:09:18 +00:00
Torok Edwin
ae8a3ff177 assert(0) -> LLVM_UNREACHABLE. 
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.

llvm-svn: 75379
 2009-07-11 20:10:48 +00:00
Nick Lewycky
d46a7b2d22 Remove the vicmp and vfcmp instructions. Because we never had a release with 
these instructions, no autoupgrade or backwards compatibility support is
provided.

llvm-svn: 74991
 2009-07-08 03:04:38 +00:00
Nick Lewycky
4020821885 Expand this test to handle more cases (remainder and shifts) of zero. 
llvm-svn: 73839
 2009-06-21 01:56:41 +00:00
Chris Lattner
affcc71da2 implement PR4424: 0/x is always 0 for integer division. 
llvm-svn: 73835
 2009-06-21 01:15:55 +00:00
Owen Anderson
733fa621f6 Revert r73790, and replace it with a significantly less ugly solution. Rather than trying to make the global reader-writer lock work, 
create separate recursive mutexes for each value map.  The recursive-ness fixes the double-acquiring issue, which having one per ValueMap
lets us continue to maintain some concurrency.

llvm-svn: 73801
 2009-06-20 00:24:58 +00:00
Owen Anderson
295610c408 Fix a serious bug that would cause deadlock during abstract type refinement. The constant creation 
gets involved, and we end up trying to recursively acquire a writer lock.  The fix for this is slightly horrible,
and involves passing a boolean "locked" parameter around in Constants.cpp, but it's better than having locked and
unlocked versions of most of the code.

llvm-svn: 73790
 2009-06-19 23:16:19 +00:00
Dan Gohman
2e737ac21f Support vector casts in more places, fixing a variety of assertion 
failures.

To support this, add some utility functions to Type to help support
vector/scalar-independent code. Change ConstantInt::get and
ConstantFP::get to support vector types, and add an overload to
ConstantInt::get that uses a static IntegerType type, for
convenience.

Introduce a new getConstant method for ScalarEvolution, to simplify
common use cases.

llvm-svn: 73431
 2009-06-15 22:12:54 +00:00
Dan Gohman
5f6f8101d5 Split the Add, Sub, and Mul instruction opcodes into separate 
integer and floating-point opcodes, introducing
FAdd, FSub, and FMul.

For now, the AsmParser, BitcodeReader, and IRBuilder all preserve
backwards compatability, and the Core LLVM APIs preserve backwards
compatibility for IR producers. Most front-ends won't need to change
immediately.

This implements the first step of the plan outlined here:
http://nondot.org/sabre/LLVMNotes/IntegerOverflow.txt

llvm-svn: 72897
 2009-06-04 22:49:04 +00:00
Dan Gohman
4646e714c4 Apply a patch by Micah Villmow to fix AsmParser to accept vector 
shift constant expressions, and add support for folding vector
shift constant expressions. This fixes PR3802.

llvm-svn: 67010
 2009-03-14 17:09:17 +00:00
Daniel Dunbar
d5e0934e30 Extension of GEP in constant folder was broken (apparently this code 
has never been run!).
 - Sorry, don't know how to make an LLVM test case for this.

llvm-svn: 65383
 2009-02-24 19:10:46 +00:00
Duncan Sands
6b95b76bca Allow the inverse transform x86_fp80 -> i80 (also 
fires during the Ada build).

llvm-svn: 63731
 2009-02-04 11:17:06 +00:00
Duncan Sands
528bb91ea8 Fix PR3468: a crash when constant folding a bitcast of 
i80 to x86 long double (this was presumably generated
by sroa).

llvm-svn: 63730
 2009-02-04 10:17:14 +00:00
Dale Johannesen
6854f86296 Make special cases (0 inf nan) work for frem. 
Besides APFloat, this involved removing code
from two places that thought they knew the
result of frem(0., x) but were wrong.

llvm-svn: 62645
 2009-01-21 00:35:19 +00:00
Chris Lattner
8c8234435a div/rem by zero and div/rem overflow are both undefined according to 
langref.  Constant fold them to undef instead of trying to preserve
the trap.  This fixes PR3354.

llvm-svn: 62534
 2009-01-19 21:55:26 +00:00
Mon P Wang
911ee5bf8b Added support for the following definition of shufflevector 
<result> = shufflevector <n x <ty>> <v1>, <n x <ty>> <v2>, <m x i32> <mask> 

llvm-svn: 58964
 2008-11-10 04:46:22 +00:00
Devang Patel
09aea7e93e Fix unused variable warnings. 
llvm-svn: 58653
 2008-11-03 23:20:04 +00:00
Chris Lattner
3048ccc1f9 apply Eli's patch for PR2165 and provide a testcase. 
llvm-svn: 57625
 2008-10-16 05:26:51 +00:00
Dale Johannesen
075a62519f Add a "loses information" return value to APFloat::convert 
and APFloat::convertToInteger.  Restore return value to
IEEE754.  Adjust all users accordingly.

llvm-svn: 57329
 2008-10-09 23:00:39 +00:00
Dale Johannesen
9e57068854 Rename APFloat::convertToAPInt to bitcastToAPInt to 
make it clearer what the function does.  No functional
change.

llvm-svn: 57325
 2008-10-09 18:53:47 +00:00
Nick Lewycky
8b8886c6b0 Try to fold each element of a vector. This is needed to maintain structural 
equivalence.

llvm-svn: 55694
 2008-09-03 06:48:55 +00:00
Nick Lewycky
57cebeaeba Don't crash when trying to constant fold a vector with some elements that can't 
be folded. Instead, fail to fold the entire vector.

We could also return a vector with some elements folded and some not. If anyone
thinks that's a better approach, please speak up!

llvm-svn: 55689
 2008-09-03 05:54:33 +00:00
Chris Lattner
563d2c9fac Fix a case where vector comparison constant folding would cause an 
infinite recursion.  part of PR2529

llvm-svn: 53383
 2008-07-10 00:29:28 +00:00
Chris Lattner
4fbada0bef elementwise comparison of vector constants was completely wrong. Fix 
it for PR2529

llvm-svn: 53380
 2008-07-10 00:08:17 +00:00
Chris Lattner
6163b7a5ad improve comment 
llvm-svn: 53243
 2008-07-08 18:47:38 +00:00
Chris Lattner
d4bcc9011b Fix three bugs: 
1) evaluate [v]fcmp true/false with undefs to true or false instead
   of undef.
2) fix vector comparisons with undef to return a vector result instead 
   of i1
3) fix vector comparisons with evaluatable results to return vector
   true/false instead of i1 true/false (PR2529)

llvm-svn: 53220
 2008-07-08 05:46:34 +00:00
Dan Gohman
fbf0f6cf8e Constant folding for insertvalue and extractvalue. 
llvm-svn: 51889
 2008-06-03 00:15:20 +00:00
Nick Lewycky
46e3a168c0 Revert constant-folding change that will miscompile in some cases. 
llvm-svn: 51223
 2008-05-17 19:00:05 +00:00
Nick Lewycky
baa90d4eef Unbreak the build. 
llvm-svn: 51217
 2008-05-17 09:05:22 +00:00
Nick Lewycky
1df40102a9 Constant fold inttoptr and ptrtoint. 
llvm-svn: 51216
 2008-05-17 09:03:26 +00:00
Dan Gohman
821bf58428 IR support for extractvalue and insertvalue instructions. Also, begin 
moving toward making structs and arrays first-class types.

llvm-svn: 51157
 2008-05-15 19:50:34 +00:00
Gabor Greif
49bf1a4cf6 merge of use-diet branch to trunk 
llvm-svn: 50943
 2008-05-10 08:32:32 +00:00
Chris Lattner
75df16a5b0 hopefully resolve PR2240 
llvm-svn: 49999
 2008-04-20 19:59:12 +00:00
Chris Lattner
2bed045e5e rearrange some code, simplify handling of shifts. 
llvm-svn: 49995
 2008-04-20 18:24:14 +00:00
Chris Lattner
0cda383725 Use simplified ConstantFP::get method, fix a bug handling frem x, 0 with long doubles. 
llvm-svn: 49976
 2008-04-20 00:26:06 +00:00
Chris Lattner
8cde1e71f0 Implement PR2206. 
llvm-svn: 49967
 2008-04-19 22:17:26 +00:00