Rafael Espindola [Sun, 20 Feb 2011 20:20:07 +0000 (20:20 +0000)]
Add some limited support for labels in org directives. Hopefully enough to fix
PR9245.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126091
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Rafael Espindola [Sun, 20 Feb 2011 18:28:29 +0000 (18:28 +0000)]
Dispose modules early and only create codegen when the plugin is being
used by the linker and not by nm or ar.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126089
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Nick Lewycky [Sun, 20 Feb 2011 18:05:56 +0000 (18:05 +0000)]
Make RecursivelyDeleteDeadPHINode delete a phi node that has no users and add a
test for that. With this change, test/CodeGen/X86/codegen-dce.ll no longer finds
any instructions to DCE, so delete the test.
Also renamed J and JP to I and IP in RecursivelyDeleteDeadPHINode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126088
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Rafael Espindola [Sun, 20 Feb 2011 16:27:25 +0000 (16:27 +0000)]
Fix some memory leaks and avoid looking in the hash tables twice.
libxul links in 7m0.403s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126085
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Oscar Fuentes [Sun, 20 Feb 2011 15:34:12 +0000 (15:34 +0000)]
Remove the link to Projects.html. It is useless for people working on
Visual Studio.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126083
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Benjamin Kramer [Sun, 20 Feb 2011 15:20:01 +0000 (15:20 +0000)]
Move "A | ~(A & ?) -> -1" from InstCombine to InstructionSimplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126082
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Benjamin Kramer [Sun, 20 Feb 2011 13:23:43 +0000 (13:23 +0000)]
InstCombine: Add a bunch of combines of the form x | (y ^ z).
We usually catch this kind of optimization through InstSimplify's distributive
magic, but or doesn't distribute over xor in general.
"A | ~(A | B) -> A | ~B" hits 24 times on gcc.c.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126081
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Nadav Rotem [Sun, 20 Feb 2011 12:37:50 +0000 (12:37 +0000)]
Fix 9267; Add vector zext support.
The DAGCombiner folds the zext into complex load instructions. This patch
prevents this optimization on vectors since none of the supported targets
knows how to perform load+vector_zext in one instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126080
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Nick Lewycky [Sun, 20 Feb 2011 08:38:20 +0000 (08:38 +0000)]
Teach RecursivelyDeleteDeadPHINodes to handle multiple self-references. Patch
by Andrew Clinton!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126077
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Nick Lewycky [Sun, 20 Feb 2011 08:11:03 +0000 (08:11 +0000)]
Instead of keeping two Value*->id# mappings, keep one Value->Value mapping and
one Value set. This is faster because we only need to use the set when there
isn't already an entry in the map. No functionality change!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126076
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Eric Christopher [Sun, 20 Feb 2011 05:04:42 +0000 (05:04 +0000)]
If both operands are loads from stores in memory we can't use movlpd/movlps
since one needs to be a register operand. Just use movss instead of forcing
an operand into a register.
Fixes PR9239
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126072
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Stephen Wilson [Sun, 20 Feb 2011 04:17:15 +0000 (04:17 +0000)]
This patch lets LLDB build as an LLVM subproject. LLDB is not built in
parallel with the rest of the tools directory as it depends on Clang.
This patch was first applied in r125956 and subsequently reverted in
r125964 as it broke in-tree builds. Makefile.rules was fixed up in
r126070 to handle missing optional directories for the in-tree case,
so it should be safe now to bring this patch back in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126071
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Stephen Wilson [Sun, 20 Feb 2011 03:51:07 +0000 (03:51 +0000)]
Do not try to descend into optional build directories if they do not
exist. This makes the build logic symmetric for both the in tree and
out of tree cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126070
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Oscar Fuentes [Sun, 20 Feb 2011 02:55:27 +0000 (02:55 +0000)]
Use explicit add_subdirectory's for LLVM target sublibraries instead
of testing for its presence at cmake time.
This way the build automatically regenerates the makefiles when a svn
update brings in a new sublibrary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126068
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Nick Lewycky [Sun, 20 Feb 2011 02:03:04 +0000 (02:03 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126065
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Eli Friedman [Sat, 19 Feb 2011 22:42:40 +0000 (22:42 +0000)]
PR9218: SimplifyDemandedVectorElts can return a non-null value that is not
the instruction passed in. Make sure to account for this correctly, instead
of looping infinitely.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126058
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Eli Friedman [Sat, 19 Feb 2011 21:54:28 +0000 (21:54 +0000)]
Minor x86 README updates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126054
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Rafael Espindola [Sat, 19 Feb 2011 21:49:57 +0000 (21:49 +0000)]
Add modules to codegen as soon as possible. This reduces the link time
of libxul from 12m31.084s to 7m1.359s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126052
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Cameron Zwarich [Sat, 19 Feb 2011 21:44:35 +0000 (21:44 +0000)]
Try to fix the MC/AsmParser/section.s failure on the llvm-x86_64-linux-vg_leak
bot. I am not sure if this is valid Valgrind exclusion file syntax, but the
Internet seems to think so.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126051
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Chris Lattner [Sat, 19 Feb 2011 21:06:36 +0000 (21:06 +0000)]
implement PR9264: disambiguating 'bt mem, imm' as a btl.
This is reasonable to do since all bt-mem forms do the
same thing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126047
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Chris Lattner [Sat, 19 Feb 2011 19:56:44 +0000 (19:56 +0000)]
rewrite the memset_pattern pattern generation stuff to accept any 2/4/8/16-byte
constant, including globals. This makes us generate much more "pretty" pattern
globals as well because it doesn't break it down to an array of bytes all the
time.
This enables us to handle stores of relocatable globals. This kicks in about
48 times in 254.gap, giving us stuff like this:
@.memset_pattern40 = internal constant [2 x %struct.TypHeader* (%struct.TypHeader*, %struct.TypHeader*)*] [%struct.TypHeader* (%struct.TypHeader*, %struct
.TypHeader*)* @IsFalse, %struct.TypHeader* (%struct.TypHeader*, %struct.TypHeader*)* @IsFalse], align 16
...
call void @memset_pattern16(i8* %scevgep5859, i8* bitcast ([2 x %struct.TypHeader* (%struct.TypHeader*, %struct.TypHeader*)*]* @.memset_pattern40 to i8*
), i64 %tmp75) nounwind
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126044
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Chris Lattner [Sat, 19 Feb 2011 19:35:49 +0000 (19:35 +0000)]
Stores of null pointers should turn into memset, we weren't recognizing
them as splat values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126041
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Chris Lattner [Sat, 19 Feb 2011 19:31:39 +0000 (19:31 +0000)]
Implement rdar://
9009151, transforming strided loop stores of
unsplatable values into memset_pattern16 when it is available
(recent darwins). This transforms lots of strided loop stores
of ints for example, like 5 in vpr:
Formed memset: call void @memset_pattern16(i8* %4, i8* getelementptr inbounds ([16 x i8]* @.memset_pattern9, i32 0, i32 0), i64 %tmp25)
from store to: {%3,+,4}<%11> at: store i32 3, i32* %scevgep, align 4, !tbaa !4
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126040
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Jeffrey Yasskin [Sat, 19 Feb 2011 18:01:15 +0000 (18:01 +0000)]
Add the PARSE_ARGUMENTS CMake macro to LLVM so I can use it to clean
up add_clang_unittest's calling convention.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126031
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Argyrios Kyrtzidis [Sat, 19 Feb 2011 03:55:58 +0000 (03:55 +0000)]
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
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Eric Christopher [Sat, 19 Feb 2011 03:19:09 +0000 (03:19 +0000)]
Fix typos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126018
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Ted Kremenek [Sat, 19 Feb 2011 01:59:21 +0000 (01:59 +0000)]
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
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Devang Patel [Sat, 19 Feb 2011 01:31:27 +0000 (01:31 +0000)]
Do not emit empty DW_TAG_lexical_block DIEs. In one test case, size of debug info reduced by almost 7%.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126009
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Devang Patel [Sat, 19 Feb 2011 01:28:37 +0000 (01:28 +0000)]
DIE numbers do not add any value in this test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126008
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Jakob Stoklund Olesen [Sat, 19 Feb 2011 00:53:42 +0000 (00:53 +0000)]
Give SplitAnalysis a VRM member to access VirtRegMap::getOriginal().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126005
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Joerg Sonnenberger [Sat, 19 Feb 2011 00:43:45 +0000 (00:43 +0000)]
Avoid dangling else warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126004
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Jakob Stoklund Olesen [Sat, 19 Feb 2011 00:42:33 +0000 (00:42 +0000)]
Missed member rename for naming convention.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126003
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Jakob Stoklund Olesen [Sat, 19 Feb 2011 00:38:43 +0000 (00:38 +0000)]
This method belonged in VirtRegMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126002
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Jakob Stoklund Olesen [Sat, 19 Feb 2011 00:38:40 +0000 (00:38 +0000)]
Separate timers for local and global splitting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126001
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Mikhail Glushenkov [Sat, 19 Feb 2011 00:33:27 +0000 (00:33 +0000)]
Make "-opt [-emit-llvm]" work for .ll files.
Patch by Kaelyn Uhrain!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126000
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Devang Patel [Fri, 18 Feb 2011 23:28:53 +0000 (23:28 +0000)]
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
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Devang Patel [Fri, 18 Feb 2011 23:23:09 +0000 (23:23 +0000)]
Remove unused tag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125988
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Devang Patel [Fri, 18 Feb 2011 23:13:40 +0000 (23:13 +0000)]
These tags are now covered by dwarf::TagString().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125987
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Devang Patel [Fri, 18 Feb 2011 23:06:29 +0000 (23:06 +0000)]
Provide tag strings for llvm specific tags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125986
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Devang Patel [Fri, 18 Feb 2011 22:43:42 +0000 (22:43 +0000)]
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
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Chris Lattner [Fri, 18 Feb 2011 22:36:36 +0000 (22:36 +0000)]
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
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Jakob Stoklund Olesen [Fri, 18 Feb 2011 22:35:20 +0000 (22:35 +0000)]
Use VirtRegMap's Virt2SplitMap to keep track of the original live range before splitting.
All new virtual registers created for spilling or splitting point back to their original.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125980
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Chris Lattner [Fri, 18 Feb 2011 22:34:03 +0000 (22:34 +0000)]
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
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Chris Lattner [Fri, 18 Feb 2011 22:22:15 +0000 (22:22 +0000)]
Make loop-idiom use TargetLibraryInfo to determine whether it is allowed
to hack on memset, memcpy etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125974
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Chris Lattner [Fri, 18 Feb 2011 22:21:24 +0000 (22:21 +0000)]
add memset and memcpy, though they are always available for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125973
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Chris Lattner [Fri, 18 Feb 2011 22:21:07 +0000 (22:21 +0000)]
rearrange some comments, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125972
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Chris Lattner [Fri, 18 Feb 2011 22:13:01 +0000 (22:13 +0000)]
Have opt set up a specific TargetLibraryInfo for modules
with a triple.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125970
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Oscar Fuentes [Fri, 18 Feb 2011 22:06:23 +0000 (22:06 +0000)]
CMake: updated list of tblgen source files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125969
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Oscar Fuentes [Fri, 18 Feb 2011 22:06:14 +0000 (22:06 +0000)]
Move library stuff out of the toplevel CMakeLists.txt file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125968
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Jakob Stoklund Olesen [Fri, 18 Feb 2011 22:03:18 +0000 (22:03 +0000)]
Add VirtRegMap::rewrite() and use it in the new register allocators.
The rewriter works almost identically to -rewriter=trivial, except it also
eliminates any identity copies.
This makes the new register allocators independent of VirtRegRewriter.cpp which
will be going away at the same time as RegAllocLinearScan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125967
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Owen Anderson [Fri, 18 Feb 2011 21:51:29 +0000 (21:51 +0000)]
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
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Chris Lattner [Fri, 18 Feb 2011 21:50:34 +0000 (21:50 +0000)]
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
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Owen Anderson [Fri, 18 Feb 2011 21:33:23 +0000 (21:33 +0000)]
Revert r125956, which broke the build if you _don't_ have lldb checked out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125964
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Bill Wendling [Fri, 18 Feb 2011 21:12:58 +0000 (21:12 +0000)]
Reapply r114997 now that the buildbots have been updated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125960
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Stephen Wilson [Fri, 18 Feb 2011 20:50:33 +0000 (20:50 +0000)]
This patch lets LLDB build as an LLVM subproject. LLDB is not built in
parallel with the rest of the tools directory as it depends on Clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125956
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Bruno Cardoso Lopes [Fri, 18 Feb 2011 19:49:06 +0000 (19:49 +0000)]
Fix style and a typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125949
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Bruno Cardoso Lopes [Fri, 18 Feb 2011 19:45:59 +0000 (19:45 +0000)]
Add assembly parsing support for "msr" and also fix its encoding. Also add
testcases for the disassembler to make sure it still works for "msr".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125948
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Chris Lattner [Fri, 18 Feb 2011 17:04:56 +0000 (17:04 +0000)]
improve support for OpenBSD, patch by Amit Kulkarni!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125943
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Rafael Espindola [Fri, 18 Feb 2011 16:35:37 +0000 (16:35 +0000)]
Expose getTypeName to the C API. Patch by Patrick Walton.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125845
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Duncan Sands [Fri, 18 Feb 2011 16:25:37 +0000 (16:25 +0000)]
Add some transforms of the kind X-Y>X -> 0>Y which are valid when there is no
overflow. These subsume some existing equality transforms, so zap those.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125843
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Benjamin Kramer [Fri, 18 Feb 2011 16:11:40 +0000 (16:11 +0000)]
The objectsize intrinsic doesn't access any memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125842
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 18 Feb 2011 05:35:49 +0000 (05:35 +0000)]
add a poor division by constant case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125832
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 18 Feb 2011 05:05:01 +0000 (05:05 +0000)]
add a testcase for r125827
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125831
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Cameron Zwarich [Fri, 18 Feb 2011 04:58:10 +0000 (04:58 +0000)]
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
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Chris Lattner [Fri, 18 Feb 2011 04:43:06 +0000 (04:43 +0000)]
prevent jump threading from merging blocks when their address is
taken (and used!). This prevents merging the blocks (invalidating
the block addresses) in a case like this:
#define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
void foo() {
printf("%p\n", _THIS_IP_);
printf("%p\n", _THIS_IP_);
printf("%p\n", _THIS_IP_);
}
which fixes PR4151.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125829
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Chris Lattner [Fri, 18 Feb 2011 04:41:42 +0000 (04:41 +0000)]
hoist GlobalValue::removeDeadConstantUsers up to being a method on Constant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125828
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Chris Lattner [Fri, 18 Feb 2011 04:25:21 +0000 (04:25 +0000)]
Don't unroll loops whose header block's address is taken.
This is part of a futile attempt to not "break" bizzaro
code like this:
l1:
printf("l1: %p\n", &&l1);
++x;
if( x < 3 ) goto l1;
Previously we'd fold &&l1 to 1, which is fine per our semantics
but not helpful to the user.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125827
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Peter Collingbourne [Fri, 18 Feb 2011 02:59:21 +0000 (02:59 +0000)]
Make -disable-simplify-libcalls work with -std-compile-opts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125824
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Joerg Sonnenberger [Fri, 18 Feb 2011 00:48:11 +0000 (00:48 +0000)]
Recognize monitor/mwait with explicit register arguments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125805
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Argyrios Kyrtzidis [Fri, 18 Feb 2011 00:47:07 +0000 (00:47 +0000)]
Check the errorcode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125804
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Jakob Stoklund Olesen [Fri, 18 Feb 2011 00:32:47 +0000 (00:32 +0000)]
Trim debugging output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125802
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Joerg Sonnenberger [Thu, 17 Feb 2011 23:36:39 +0000 (23:36 +0000)]
Recognize leavel and leaveq aliases for leave.
Validate encoding of leave in 64bit mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125795
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Devang Patel [Thu, 17 Feb 2011 23:33:27 +0000 (23:33 +0000)]
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
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Joerg Sonnenberger [Thu, 17 Feb 2011 23:22:19 +0000 (23:22 +0000)]
Check that MnemonicAlias doesn't map back to the same string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125792
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Chris Lattner [Thu, 17 Feb 2011 23:01:49 +0000 (23:01 +0000)]
have instcombine preserve nsw/nuw/exact when sinking
common operations through a phi.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125790
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Jakob Stoklund Olesen [Thu, 17 Feb 2011 22:53:48 +0000 (22:53 +0000)]
Add basic register allocator statistics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125789
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Chris Lattner [Thu, 17 Feb 2011 22:32:54 +0000 (22:32 +0000)]
fix typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125787
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Oscar Fuentes [Thu, 17 Feb 2011 22:26:11 +0000 (22:26 +0000)]
New library: LLVMX86Utils.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125786
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Chris Lattner [Thu, 17 Feb 2011 22:21:26 +0000 (22:21 +0000)]
fix instcombine merging GEPs through a PHI to only make the
result inbounds if all of the inputs are inbounds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125785
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Nadav Rotem [Thu, 17 Feb 2011 21:22:27 +0000 (21:22 +0000)]
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
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Chris Lattner [Thu, 17 Feb 2011 20:55:29 +0000 (20:55 +0000)]
add is always integer, thanks to Frits for noticing this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125774
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David Greene [Thu, 17 Feb 2011 19:18:59 +0000 (19:18 +0000)]
[AVX] Recorganize X86ShuffleDecode into its own library
(LLVMX86Utils.a) to break cyclic library dependencies between
LLVMX86CodeGen.a and LLVMX86AsmParser.a. Previously this code was in
a header file and marked static but AVX requires some additional
functionality here that won't be used by all clients. Since including
unused static functions causes a gcc compiler warning, keeping it as a
header would break builds that use -Werror. Putting this in its own
library solves both problems at once.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125765
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Jakob Stoklund Olesen [Thu, 17 Feb 2011 19:13:53 +0000 (19:13 +0000)]
Split local live ranges.
A local live range is live in a single basic block. If such a range fails to
allocate, try to find a sub-range that would get a larger spill weight than its
interference.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125764
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Dan Gohman [Thu, 17 Feb 2011 18:50:19 +0000 (18:50 +0000)]
The labyrinthine X86 backend no longer appears to require
these patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125759
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Duncan Sands [Thu, 17 Feb 2011 12:42:48 +0000 (12:42 +0000)]
Fix wrong logic in promotion of signed mul-with-overflow (I pointed this out at
the time but presumably my email got lost). Examples where the previous logic
got it wrong: (1) a signed i8 multiply of 64 by 2 overflows, but the high part is
zero; (2) a signed i8 multiple of -128 by 2 overflows, but the high part is all
ones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125748
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NAKAMURA Takumi [Thu, 17 Feb 2011 12:24:17 +0000 (12:24 +0000)]
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
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NAKAMURA Takumi [Thu, 17 Feb 2011 12:23:50 +0000 (12:23 +0000)]
Fix whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125746
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Duncan Sands [Thu, 17 Feb 2011 08:16:56 +0000 (08:16 +0000)]
This has been implemented.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125738
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Duncan Sands [Thu, 17 Feb 2011 07:46:37 +0000 (07:46 +0000)]
Transform "A + B >= A + C" into "B >= C" if the adds do not wrap. Likewise for some
variations (some of these were already present so I unified the code). Spotted by my
auto-simplifier as occurring a lot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125734
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Cameron Zwarich [Thu, 17 Feb 2011 06:52:07 +0000 (06:52 +0000)]
Switch to SmallVector in SimpleRegisterCoalescing for a 3.5% speedup on 403.gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125728
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Cameron Zwarich [Thu, 17 Feb 2011 06:13:46 +0000 (06:13 +0000)]
Adjust indenting of arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125727
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Cameron Zwarich [Thu, 17 Feb 2011 06:13:43 +0000 (06:13 +0000)]
Return Changed from SplitPHIEdges rather than always returning true.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125726
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NAKAMURA Takumi [Thu, 17 Feb 2011 05:56:41 +0000 (05:56 +0000)]
lit/TestingConfig.py: Add the environment variable PRINTF_EXPONENT_DIGITS as workaround [PR6745] for mingw's tests. Danil Malyshev suggested this.
FIXME: It does not improve MSVC's issue.
[Danil Malyshev] Defining PRINTF_EXPONENT_DIGITS env is the suggested way to make MinGW ANSI/POSIX compatible. This is not only about the case we are discussing, but in general, I'd like to have explicitly defined compatibility mode for all the tests running on MinGW.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125725
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Sean Hunt [Thu, 17 Feb 2011 03:30:09 +0000 (03:30 +0000)]
Add serialization for Expr* arguments for attributes to clang tablegen files.
Patch thanks to Zach Anderson.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125721
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Chris Lattner [Thu, 17 Feb 2011 02:23:02 +0000 (02:23 +0000)]
preserve NUW/NSW when transforming add x,x
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125711
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Chris Lattner [Thu, 17 Feb 2011 02:21:03 +0000 (02:21 +0000)]
filecheckize
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125710
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Nick Lewycky [Thu, 17 Feb 2011 02:19:22 +0000 (02:19 +0000)]
Fix thinko, basic blocks are SESE. The exits may have many edges though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125709
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Chris Lattner [Thu, 17 Feb 2011 01:43:46 +0000 (01:43 +0000)]
add some notes on compares + binops. Remove redundant entries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125702
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Chris Lattner [Thu, 17 Feb 2011 01:29:24 +0000 (01:29 +0000)]
fix PR9215, preventing -reassociate from clearing nsw/nuw when
it swaps the LHS/RHS of a single binop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125700
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Chris Lattner [Wed, 16 Feb 2011 19:16:34 +0000 (19:16 +0000)]
Add a few missed xforms from GCC PR14753
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125681
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