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27 Commits

Author SHA1 Message Date
Bob Wilson
db3a9e64f8 Revert patches to add case-range support for PR1255. 
The work on this project was left in an unfinished and inconsistent state.
Hopefully someone will eventually get a chance to implement this feature, but
in the meantime, it is better to put things back the way the were.  I have
left support in the bitcode reader to handle the case-range bitcode format,
so that we do not lose bitcode compatibility with the llvm 3.3 release.

This reverts the following commits: 155464, 156374, 156377, 156613, 156704,
156757, 156804 156808, 156985, 157046, 157112, 157183, 157315, 157384, 157575,
157576, 157586, 157612, 157810, 157814, 157815, 157880, 157881, 157882, 157884,
157887, 157901, 158979, 157987, 157989, 158986, 158997, 159076, 159101, 159100,
159200, 159201, 159207, 159527, 159532, 159540, 159583, 159618, 159658, 159659,
159660, 159661, 159703, 159704, 160076, 167356, 172025, 186736

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190328 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-09 19:14:35 +00:00
Peter Collingbourne
7bba9c5c0a Make one of the AttributeSet ctors maintain the invariant that the 
attribute list is ordered by index.

Differential Revision: http://llvm-reviews.chandlerc.com/D1265

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187682 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-02 22:29:40 +00:00
Matt Arsenault
1bf0ec4e16 Fix ptr vector inconsistency in CreatePointerCast 
One form would accept a vector of pointers, and the other did not.
Make both accept vectors of pointers, and add an assertion
for the number of elements.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187464 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-31 00:17:33 +00:00
Matt Arsenault
3181f5900f Respect address space sizes in isEliminableCastPair. 
This avoids constant folding bitcast/ptrtoint/inttoptr combinations
that have illegal bitcasts between differently sized address spaces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187455 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-30 22:27:10 +00:00
Matt Arsenault
485c7fd76b Revert "Remove isCastable since nothing uses it now" 
Apparently dragonegg uses it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187454 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-30 22:02:14 +00:00
Matt Arsenault
0de6832c16 Remove isCastable since nothing uses it now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187448 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-30 21:11:17 +00:00
Matt Arsenault
f34dc428fa Change behavior of calling bitcasted alias functions. 
It will now only convert the arguments / return value and call
the underlying function if the types are able to be bitcasted.
This avoids using fp<->int conversions that would occur before.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187444 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-30 20:45:05 +00:00
Matt Arsenault
76bf61fe07 Fix copypaste error in test. 
Thename says it's an i32*, but it was actually creating another i8*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185239 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-28 23:24:10 +00:00
Bill Wendling
ae5758bac7 Add unit test to test a trivial verifier check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184338 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 19:26:44 +00:00
Arnold Schwaighofer
46e7e6f39e Add missing PatternMatch.cpp to CMakeLists.txt 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181147 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-05 02:14:28 +00:00
Arnold Schwaighofer
e79d92c592 PatternMatch: Matcher for (un)ordered floating point min/max 
Add support for matching 'ordered' and 'unordered' floating point min/max
constructs.

In LLVM we can express min/max functions as a combination of compare and select.
We have support for matching such constructs for integers but not for floating
point. In floating point math there is no total order because of the presence of
'NaN'. Therefore, we have to be careful to preserve the original fcmp semantics
when interpreting floating point compare select combinations as a minimum or
maximum function. The resulting 'ordered/unordered' floating point maximum
function has to select the same value as the select/fcmp combination it is based
on.

 ordered_max(x,y)   = max(x,y) iff x and y are not NaN, y otherwise
 unordered_max(x,y) = max(x,y) iff x and y are not NaN, x otherwise
 ordered_min(x,y)   = min(x,y) iff x and y are not NaN, y otherwise
 unordered_min(x,y) = min(x,y) iff x and y are not NaN, x otherwise

This matches the behavior of the underlying select(fcmp(olt/ult/.., L, R), L, R)
construct.

Any code using this predicate has to preserve this semantics.

A follow-up patch will use this to implement floating point min/max reductions
in the vectorizer.

radar://13723044

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181143 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-05 01:54:46 +00:00
Benjamin Kramer
71c1b22855 Fix a disconcerting bug in Value::isUsedInBasicBlock, which gave wrong answers for blocks larger than 3 instrs. 
Also add a unit test. PR15727.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179370 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-12 08:33:11 +00:00
Dan Gohman
a070d2a035 Change GetPointerBaseWithConstantOffset's DataLayout argument from a 
reference to a pointer, so that it can handle the case where DataLayout
is not available and behave conservatively.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174024 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-31 02:00:45 +00:00
Bill Wendling
c83f6212a7 Fix test to not use the AttributeSet's AttributeWithIndex creation method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173608 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-27 03:39:10 +00:00
NAKAMURA Takumi
023d97d703 llvm/unittests: Use OwningPtr to fix --vg-leak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173240 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-23 08:33:13 +00:00
NAKAMURA Takumi
d422e9f114 IRTests/WaymarkTest.cpp: Fix in --vg-leak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173239 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-23 08:33:05 +00:00
NAKAMURA Takumi
e82a5fae03 IRTests/IRBuilderTest.cpp: GetIntTy: Delete DL at yourself since it is not linked. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173238 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-23 08:31:28 +00:00
NAKAMURA Takumi
f25b003523 IRTests/IRBuilderTest.cpp: Let GV added to the module. 
It fixes --vg-leak.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173237 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-23 08:30:39 +00:00
NAKAMURA Takumi
6bf3e46aa8 IRTests/ConstantsTest.cpp: AsInstructionsTest: Delete each instruction immediately if it is not linked. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173236 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-23 08:30:26 +00:00
NAKAMURA Takumi
bde0f0f225 Untabify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173235 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-23 08:30:21 +00:00
NAKAMURA Takumi
1a5812d7da DominatorTreeTest.cpp: Add the file header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173233 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-23 08:30:10 +00:00
Evgeniy Stepanov
655578f8b5 Allow vectors in CreatePointerCast of constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172615 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-16 14:41:46 +00:00
Evgeniy Stepanov
4802b9d6dc A test for r172535. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172614 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-16 14:38:50 +00:00
Dmitri Gribenko
31659fa066 Improve r172464: const_cast is not needed if the variable is not const 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172474 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-14 21:23:37 +00:00
David Greene
c8be88ab56 Fix Casts 
Use const_cast<> to avoid cast-away-const errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172464 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-14 21:04:35 +00:00
Benjamin Kramer
8591fa38e6 Add a unit test to verifies that attribute uniquing works so it doesn't break again. 
The folding set details can be subtle and broke twice in the last couple of weeks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172313 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-12 14:13:45 +00:00
Chandler Carruth
c779e96158 Rename the VMCore unittest tree to IR. Somehow was missed when doing the 
library rename.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171747 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-07 15:35:46 +00:00