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dab3d29605
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3913 Commits

Author SHA1 Message Date
Jay Foad
dab3d29605 Convert ConstantExpr::getGetElementPtr and 
ConstantExpr::getInBoundsGetElementPtr to use ArrayRef.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135673 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-21 14:31:17 +00:00
Devang Patel
40c7e4142e There are two ways to map a variable to its lexical scope. Lexical scope information is embedded in MDNode describing the variable. It is also available as a part of DebugLoc attached with DBG_VALUE instruction. DebugLoc attached with an instruction is less reliable in optimized code so use information embedded in the MDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135629 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-20 22:18:50 +00:00
Devang Patel
c8fcfc9cd9 Distinguish between two copies of one inlined variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135528 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 22:31:15 +00:00
Devang Patel
23336b449e Reapply r135457. This needs llvm-gcc change, that I forgot to check-in yesterday. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 19:41:54 +00:00
Bob Wilson
f51bb7cef8 Revert "Make a provision to encode inline location in a variable. This will enable dwarf writer to easily distinguish between two instances of a inlined variable in one basic block." 
This reverts commit 9fec5e346e.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135486 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 16:32:50 +00:00
Jay Foad
b9b54ebfed Convert SimplifyGEPInst to use ArrayRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135482 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 15:07:52 +00:00
Jay Foad
8fbbb39807 Convert TargetData::getIndexedOffset to use ArrayRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135478 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 14:01:37 +00:00
Jay Foad
1d2f569c34 Use ArrayRef in ConstantFoldInstOperands and ConstantFoldCall. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135477 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 13:32:40 +00:00
Devang Patel
9fec5e346e Make a provision to encode inline location in a variable. This will enable dwarf writer to easily distinguish between two instances of a inlined variable in one basic block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135457 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 01:03:32 +00:00
Frits van Bommel
39b5abf507 Migrate LLVM and Clang to use the new makeArrayRef(...) functions where previously explicit non-default constructors were used. 
Mostly mechanical with some manual reformatting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135390 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-18 12:00:32 +00:00
Chris Lattner
db125cfaf5 land David Blaikie's patch to de-constify Type, with a few tweaks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-18 04:54:35 +00:00
Benjamin Kramer
93a896e2e3 Silence compiler warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135358 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-16 22:26:27 +00:00
Jakub Staszak
12af93ae86 Remove "LoopInfo.h" include from BranchProbabilityInfo.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135353 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-16 20:31:15 +00:00
Andrew Trick
d152d03a47 Fix SCEVEXpander to handle arbitrary phi expansion. Includes two 
related bug fixes and corresponding assertions for uninitialized data
and missing NULL check. Test cases will be included with the new LFTR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135333 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-16 00:59:39 +00:00
Jakub Staszak
d7932ca962 Fix pointer heuristic. Check whether predicator is ICMP_NE instead of if it is 
not isEquality().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135296 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-15 20:51:06 +00:00
Jay Foad
a3efbb15dd Convert CallInst and InvokeInst APIs to use ArrayRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135265 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-15 08:37:34 +00:00
Jay Foad
fc6d3a4986 Convert InsertValueInst and ExtractValueInst APIs to use ArrayRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135040 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-13 10:26:04 +00:00
Chris Lattner
368381e9ab stop using WriteTypeSymbolic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134833 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-09 18:02:13 +00:00
Devang Patel
c5ecbdc189 Preserve debug loc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134441 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-05 21:48:22 +00:00
Dan Gohman
71997f303e Teach IVUsers to stop at non-affine expressions unless they are both 
outside the loop and reducible.

This more completely hides them from LSR, which isn't usually able to
do anything meaningful with non-affine expressions anyway, and this
consequently hides them from SCEVExpander, which is acutely unprepared
for non-affine expressions.

Replace test/CodeGen/X86/lsr-nonaffine.ll with a new test that tests
the new behavior.

This works around the bug in PR10117 / rdar://problem/9633149, and is
generally an improvement besides.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134268 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 22:05:19 +00:00
Dan Gohman
68c0dbc14f Improve constant folding of undef for cmp and select operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134223 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-01 01:03:43 +00:00
Andrew Trick
dc8e546048 Cleanup. Fix a stupid variable name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133995 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-28 05:41:52 +00:00
Andrew Trick
5e7645be4c SCEVExpander: give new insts a name that identifies the reponsible pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133992 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-28 05:07:32 +00:00
Andrew Trick
56caa09808 indvars --disable-iv-rewrite: sever ties with IVUsers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133988 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-28 03:01:46 +00:00
Nick Lewycky
99e0b2a8df Move onlyUsedByLifetimeMarkers to ValueTracking so that it can be used by other 
passes as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133904 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-27 04:20:45 +00:00
Devang Patel
fa3f9c001f Fix struct member's scope. Patch by Xi Wang. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133828 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-24 22:00:39 +00:00
Jakub Staszak
66dddd1da3 Calculate backedge probability correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133776 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-23 23:52:11 +00:00
Jakub Staszak
fd9533b4a3 Missing files for the BlockFrequency analysis added. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133767 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-23 21:56:59 +00:00
Jakub Staszak
44eb49c2a1 Introduce BlockFrequency analysis for BasicBlocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133766 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-23 21:45:20 +00:00
Rafael Espindola
83471853b1 Revert "revert 133714" 
This reverts commit e8e00f5efb.

The cmake build on OS X is still broken.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133718 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-23 14:19:39 +00:00
Dylan Noblesmith
e8e00f5efb revert 133714 
It broke the build worse.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133716 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-23 13:56:01 +00:00
Rafael Espindola
cd34486581 133713 broke the build, revert it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133714 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-23 13:37:38 +00:00
Dylan Noblesmith
5417eed201 Support: make floating-exception header private 
It has only one user. This eliminates the last include of
config.h from the public headers -- ideally, config.h
shouldn't even be installed by `make install` anymore.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133713 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-23 12:45:54 +00:00
Devang Patel
df3ad6697b New binops need debug loc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133642 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-22 20:56:56 +00:00
Andrew Trick
4417e537b6 IVUsers no longer needs to record the phis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-21 15:43:52 +00:00
Chris Lattner
b065b06c12 Revamp the "ConstantStruct::get" methods. Previously, these were scattered 
all over the place in different styles and variants.  Standardize on two
preferred entrypoints: one that takes a StructType and ArrayRef, and one that
takes StructType and varargs.

In cases where there isn't a struct type convenient, we now add a
ConstantStruct::getAnon method (whose name will make more sense after a few
more patches land).  

It would be "really really nice" if the ConstantStruct::get and 
ConstantVector::get methods didn't make temporary std::vectors.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133412 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-20 04:01:31 +00:00
Chris Lattner
ebb2189904 simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133362 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-18 21:46:23 +00:00
Benjamin Kramer
1a81d48bde Simplify code. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133351 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-18 14:42:42 +00:00
Jakub Staszak
7cc2b07437 Introduce MachineBranchProbabilityInfo class, which has similar API to 
BranchProbabilityInfo (expect setEdgeWeight which is not available here).
Branch Weights are kept in MachineBasicBlocks. To turn off this analysis
set -use-mbpi=false.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133184 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 20:22:37 +00:00
Eli Friedman
992205ac71 Add a limit to the number of instructions memdep will scan in a single block. This prevents (at least in some cases) O(N^2) runtime in passes like DSE. 
The limit in this patch is probably too high, but it is enough to stop DSE from going completely insane on a testcase I have (which has a single block with around 50,000 non-aliasing stores in it).

rdar://9471075



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133111 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 23:59:25 +00:00
Eli Friedman
a990e071f2 Add "unknown" results for memdep, which mean "I don't know whether a dependence for the given instruction exists in the given block". This cleans up all the existing hacks in memdep which represent this concept by returning clobber with various unrelated instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133031 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 00:47:34 +00:00
Benjamin Kramer
afa88eaf65 Move class into an anonymous namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132925 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 18:38:56 +00:00
Andrew Trick
f289df2d95 Branch profiling: floating-point avoidance. 
Patch by: Jakub Staszak!

Introduces BranchProbability. Changes unsigned to uint32_t all over and
uint64_t only when overflow is expected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132867 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-11 01:05:22 +00:00
Dan Gohman
9a09ca348f Initialize BasicAA's AliasCache to set it to use fewer buckets by 
default, since it usually has very few elements. This speeds up
alias queries in many cases, because AliasCache.clear() doesn't
have to visit as many buckets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132862 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 22:30:30 +00:00
John McCall
e669d83a21 Teach the CallGraph to ignore calls to intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132797 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-09 19:46:27 +00:00
Dan Gohman
5f1312c36e Reapply r131781, now that the GVN bug with partially-aliasing loads 
is disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132632 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-04 06:50:18 +00:00
Dan Gohman
a3351a0e5d Disable the main feature of 130180, the elimination of loads that are 
redundant with partially-aliasing loads.

When computing what portion of a clobbering load value is needed,
it doesn't consider phi-translation which may have occurred
between the clobbing load and the redundant load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132631 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-04 06:48:50 +00:00
Dan Gohman
9a9d218ed0 Revert r131781 again. Apparently there is more going on here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132625 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-04 05:11:22 +00:00
Nick Lewycky
404b53e38c Fold assert-only-used variable into the assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132620 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-04 02:07:10 +00:00
Andrew Trick
b4528c3d7e Missing include of climits in the new BranchProbability pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132616 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-04 01:30:52 +00:00