Commit Graph

13709 Commits

Author SHA1 Message Date
Duncan Sands
2cfbf018a9 If the phi node was used by an unreachable instruction that ends up using
itself without going via a phi node then we could return false here in
spite of making a change.  Also, tweak the comment because this method
can (and always could) return true without deleting the original phi node.
For example, if the phi node was used by a read-only invoke instruction
which is used by another phi node phi2 which is only used by and only uses
the invoke, then phi2 would be deleted but not the invoke instruction and
not the original phi node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126129 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21 17:32:05 +00:00
Joerg Sonnenberger
7d0805dcb8 Use a vector of pairs to implement the section stack, not two
independent vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126099 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21 01:07:42 +00:00
Oscar Fuentes
0b85d07d46 Put targets on folders, if the IDE supports the feature.
Requires CMake 2.8.3 or newer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126092 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20 22:06:10 +00:00
Argyrios Kyrtzidis
38297f5f76 Allow getting the address of the value in a PointerUnion or PointerIntPair if one is
confident enough that he knows what he is doing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126019 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-19 03:55:58 +00:00
Ted Kremenek
3f912adeae Add ImmutableMap methods 'manualRetain()', 'manualRelease()', and 'getRootWithoutRetain()' to help more aggressively reclaim memory in the static analyzer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126011 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-19 01:59:21 +00:00
Devang Patel
dc8c3fdcf1 Provide enums to build complex address calucation expressions.
(This is infact direct copy from DIFactory, which is disappearing soon.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125989 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 23:28:53 +00:00
Devang Patel
f3a3214049 Remove unused tag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125988 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 23:23:09 +00:00
Devang Patel
98d9f5d90d Provide tag strings for llvm specific tags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125986 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 23:06:29 +00:00
Devang Patel
a778f5c798 Do not lose debug info of an inlined function argument even if the argument is only used through GEPs.
This time with a fix that avoids using invalidated DenseMap iterator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125984 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 22:43:42 +00:00
Chris Lattner
0160c8a8bc Now that -loop-idiom uses TargetLibraryInfo properly, it doesn't
need to be pulled out of the pass manager when the user specifies 
-fno-builtin.  It can intelligently determine which libcalls to
optimize based on what is enabled in TargetLibraryInfo.  This 
allows -fno-builtin-foo to work someday.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125981 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 22:36:36 +00:00
Chris Lattner
188a7e00e7 add a way to disable all builtins, wire it up to opt's -disable-simplifylibcalls flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125978 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 22:34:03 +00:00
Chris Lattner
398c0d8b74 add memset and memcpy, though they are always available for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125973 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 22:21:24 +00:00
Chris Lattner
a84b2ffac5 rearrange some comments, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125972 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 22:21:07 +00:00
Owen Anderson
d8c87888a7 Add FixedLenDecoderEmitter, the skeleton of a new disassembler emitter for fixed-length instruction encodings.
A major part of its (eventual) goal is to support a much cleaner separation between disassembly callbacks
provided by the target and the disassembler emitter itself, i.e. not requiring hardcoding of knowledge in tblgen
like the existing disassembly emitters do.

The hope is that some day this will allow us to replace the existing non-Thumb ARM disassembler and remove
some of the hacks the old one introduced to tblgen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125966 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 21:51:29 +00:00
Chris Lattner
ce99120084 introduce a new TargetLibraryInfo pass, which transformations can use to
query about available library functions.  For now this just has 
memset_pattern16, which exists on darwin, but it can be extended for a 
bunch of other things in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125965 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 21:50:34 +00:00
Rafael Espindola
1e09e5b979 Expose getTypeName to the C API. Patch by Patrick Walton.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125845 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 16:35:37 +00:00
Benjamin Kramer
5c862575d5 The objectsize intrinsic doesn't access any memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125842 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 16:11:40 +00:00
Cameron Zwarich
1646953538 Roll out r125794 to help diagnose the llvm-gcc-i386-linux-selfhost failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125830 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 04:58:10 +00:00
Chris Lattner
13fb0db0c2 hoist GlobalValue::removeDeadConstantUsers up to being a method on Constant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125828 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18 04:41:42 +00:00
Devang Patel
a4defc00eb Do not lose debug info of an inlined function argument even if the argument is only used through GEPs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125794 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-17 23:33:27 +00:00
Nadav Rotem
093399cbf3 Enhance constant folding of bitcast operations on vectors of floats.
Add getAllOnesValue of FP numbers to Constants and APFloat.
Add more tests.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125776 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-17 21:22:27 +00:00
NAKAMURA Takumi
6904f05e60 Triple::MinGW64 is deprecated and removed. We can use Triple::MinGW32 generally.
No one uses *-mingw64. mingw-w64 is represented as {i686|x86_64}-w64-mingw32. In llvm side, i686 and x64 can be treated as similar way.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125747 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-17 12:24:17 +00:00
Stuart Hastings
a901129169 Swap VT and DebugLoc operands of getExtLoad() for consistency with
other getNode() methods.  Radar 9002173.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125665 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-16 16:23:55 +00:00
Rafael Espindola
908159b46a Gas is very inconsistent about when a relaxation/relocation is needed. Do
the right thing and stop trying to copy it. Fixes PR8944.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125648 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-16 03:25:55 +00:00
Rafael Espindola
7768a9dce1 Add support for pushsection and popsection. Patch by Joerg Sonnenberger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125629 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-16 01:08:29 +00:00
Nick Lewycky
8a670edf1b Teach PatternMatch that splat vectors could be floating point as well as
integer. Fixes PR9228!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125613 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-15 23:13:23 +00:00
Devang Patel
fc0569e55a Move DbgInfoPrinter specific utlities inside DbgInfoPrinter.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125571 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-15 17:36:11 +00:00
Duncan Sands
ab4c366274 Spelling fix: consequtive -> consecutive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125563 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-15 09:23:02 +00:00
Chris Lattner
04b2f0d99f fix comments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125543 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-15 00:23:53 +00:00
Chris Lattner
2ca5c8644e convert ConstantVector::get to use ArrayRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125537 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-15 00:14:00 +00:00
Chris Lattner
04df049014 fix some typos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125536 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-15 00:06:37 +00:00
Jakob Stoklund Olesen
eb9f040f0d Move more fragments of spill weight calculation into CalcSpillWeights.h
Simplify the spill weight calculation a bit by bypassing
getApproximateInstructionCount() and using LiveInterval::getSize() directly.
This changes the computed spill weights, but only by a constant factor in each
function. It should not affect how spill weights compare against each other, and
so it shouldn't affect code generation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125530 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-14 23:15:38 +00:00
Chris Lattner
7583190422 revert my ConstantVector patch, it seems to have made the llvm-gcc
builders unhappy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125504 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-14 18:15:46 +00:00
Rafael Espindola
9de3a0701a Move broken HasCommonSymbols to ELFWriter.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125490 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-14 16:51:08 +00:00
Chris Lattner
283c8caccd Switch ConstantVector::get to use ArrayRef instead of a pointer+size
idiom.  Change various clients to simplify their code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125487 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-14 07:55:32 +00:00
Chris Lattner
2b9bc422a5 add a new ArrayRef class. This is intended to replace the idiom we
use in many places where we pass a pointer and size to abstract APIs
that can take C arrays, std::vector, SmallVector, etc.  It is to arrays
what StringRef is to strings.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125486 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-14 07:35:09 +00:00
Chris Lattner
463b3c2a99 fix two comment thinkos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125481 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-14 06:14:42 +00:00
Nick Lewycky
551b6751a0 Fix typo in comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125480 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-14 06:14:20 +00:00
Chris Lattner
a18da59d40 missed a header
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125471 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-13 22:30:09 +00:00
Chris Lattner
d8c7ff0019 fix thinko :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125466 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-13 19:53:36 +00:00
Chris Lattner
e075118489 Revisit my fix for PR9028: the issue is that DAGCombine was
generating i8 shift amounts for things like i1024 types.  Add
an assert in getNode to prevent this from occuring in the future,
fix the buggy transformation, revert my previous patch, and
document this gotcha in ISDOpcodes.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125465 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-13 19:09:16 +00:00
Chris Lattner
16e036fa8f add a helper method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125453 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-13 08:04:16 +00:00
Zhanyong Wan
63cc3a85cc Adds llvm::sys::path::is_separator() to test whether a char is a path separator
on the host OS.  Reviewed by dgregor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125406 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-11 21:24:40 +00:00
Jim Grosbach
e5ec5a4177 Remove trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125385 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-11 18:45:44 +00:00
Douglas Gregor
78b9649d46 Poison the relational operators ==, !=, <, <=, >=, > on llvm::Optional
objects, since they'll end up using the implicit conversion to "bool"
and causing some very "fun" surprises.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125380 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-11 18:13:20 +00:00
Chris Lattner
1f78d51be6 make the constantexpr interfaces for inbounds GEPs follow the same style
as other constantexpr flags, reducing redundancy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125365 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-11 05:34:33 +00:00
Rafael Espindola
ef1860a117 Remove std::string version of getNameWithPrefix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125363 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-11 05:23:09 +00:00
Jim Grosbach
98311ecb4a Remove trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125327 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-11 01:21:00 +00:00
Owen Anderson
e02db88816 Clean trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125304 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-10 19:56:23 +00:00
Chris Lattner
81baf14fdf switch the constantexpr, target folder, and IRBuilder interfaces
for NSW/NUW binops to follow the pattern of exact binops.  This
allows someone to use Builder.CreateAdd(x, y, "tmp", MaybeNUW);


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125270 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-10 07:01:55 +00:00