OSDN Git Service
Evan Cheng [Sat, 26 Jun 2010 01:52:05 +0000 (01:52 +0000)]
It's now possible to run code placement pass for ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106935
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Jakob Stoklund Olesen [Sat, 26 Jun 2010 00:39:23 +0000 (00:39 +0000)]
When creating X86 MUL8 and DIV8 instructions, make sure we don't produce
CopyFromReg nodes for aliasing registers (AX and AL). This confuses the fast
register allocator.
Instead of CopyFromReg(AL), use ExtractSubReg(CopyFromReg(AX), sub_8bit).
This fixes PR7312.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106934
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Bob Wilson [Sat, 26 Jun 2010 00:05:09 +0000 (00:05 +0000)]
Renumber NEON instruction formats to be consecutive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106927
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Bob Wilson [Fri, 25 Jun 2010 23:56:05 +0000 (23:56 +0000)]
Rename ARM instruction formats NEONGetLnFrm, NEONSetLnFrm and NEONDupFrm to
"N..." instead of "NEON..." for consistency with the other NEON format names.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106921
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Bruno Cardoso Lopes [Fri, 25 Jun 2010 23:47:23 +0000 (23:47 +0000)]
Add AVX convert CVTSS2SI{rr,rm} and CVTDQ2PS{rr,rm} instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106917
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Bob Wilson [Fri, 25 Jun 2010 23:45:37 +0000 (23:45 +0000)]
Remove unused NEONFrm and ThumbMiscFrm ARM instruction formats.
Renumber MiscFrm to 25.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106916
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Bruno Cardoso Lopes [Fri, 25 Jun 2010 23:33:42 +0000 (23:33 +0000)]
Reapply r106896:
Add several AVX MOV flavors
Support VEX encoding for MRMDestReg
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106912
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Daniel Dunbar [Fri, 25 Jun 2010 23:14:54 +0000 (23:14 +0000)]
Thumb2ITBlockPass: Fix a possible dereference of an invalid iterator. This was
introduced in r106343, but only showed up recently (with a particular compiler &
linker combination) because of the particular check, and because we have no
builtin checking for dereferencing the end of an array, which is truly
unfortunate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106908
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Jim Grosbach [Fri, 25 Jun 2010 23:05:46 +0000 (23:05 +0000)]
make sure to handle dbg_value instructions in the middle of the block, not
just at the head, when doing diamond if-conversion. rdar://
7797940
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106907
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Bruno Cardoso Lopes [Fri, 25 Jun 2010 23:04:29 +0000 (23:04 +0000)]
revert this now, it's using avx instead of sse :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106906
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Jakob Stoklund Olesen [Fri, 25 Jun 2010 22:53:05 +0000 (22:53 +0000)]
Don't track kills in VNInfo. Use interval ends instead.
The VNInfo.kills vector was almost unused except for all the code keeping it
updated. The few places using it were easily rewritten to check for interval
ends instead.
The two new methods LiveInterval::killedAt and killedInRange are replacements.
This brings us down to 3 independent data structures tracking kills.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106905
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Evan Cheng [Fri, 25 Jun 2010 22:42:03 +0000 (22:42 +0000)]
Change if-conversion block size limit checks to add some flexibility.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106901
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Bob Wilson [Fri, 25 Jun 2010 22:40:46 +0000 (22:40 +0000)]
Add support for encoding 3-register NEON instructions, and fix
emitNEON2RegInstruction's handling of 2-address operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106900
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Dan Gohman [Fri, 25 Jun 2010 22:32:18 +0000 (22:32 +0000)]
In GenerateReassociations, don't bother thinking about individual
SCEVUnknown values which are loop-variant, as LSR can't do anything
interesting with these values in any case. This fixes very slow compile
times on loops which have large numbers of such values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106897
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Bruno Cardoso Lopes [Fri, 25 Jun 2010 22:27:51 +0000 (22:27 +0000)]
Add several AVX MOV flavors
Support VEX encoding for MRMDestReg
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106896
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Devang Patel [Fri, 25 Jun 2010 22:07:34 +0000 (22:07 +0000)]
Collect debug info for optimized variables of inlined functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106895
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Jim Grosbach [Fri, 25 Jun 2010 22:02:28 +0000 (22:02 +0000)]
80 column and typo fix
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106894
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Dale Johannesen [Fri, 25 Jun 2010 21:55:36 +0000 (21:55 +0000)]
The hasMemory argument is irrelevant to how the argument
for an "i" constraint should get lowered; PR 6309. While
this argument was passed around a lot, this is the only
place it was used, so it goes away from a lot of other
places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106893
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Bob Wilson [Fri, 25 Jun 2010 21:17:19 +0000 (21:17 +0000)]
Add support for encoding 2-register NEON instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106891
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Dan Gohman [Fri, 25 Jun 2010 21:05:35 +0000 (21:05 +0000)]
pcmpeqd and friends are Commutable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106886
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Jim Grosbach [Fri, 25 Jun 2010 21:02:24 +0000 (21:02 +0000)]
80-column and trailing whitespace cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106885
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Bob Wilson [Fri, 25 Jun 2010 20:54:44 +0000 (20:54 +0000)]
Fix indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106881
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Bill Wendling [Fri, 25 Jun 2010 20:48:10 +0000 (20:48 +0000)]
- Reapply r106066 now that the bzip2 build regression has been fixed.
- 2010-06-25-CoalescerSubRegDefDead.ll is the testcase for r106878.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106880
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Bill Wendling [Fri, 25 Jun 2010 20:42:55 +0000 (20:42 +0000)]
We should remove the live range from the destination register only if *all* defs
are dead, not just the def of this register. I.e., a register could be dead, but
it's subreg isn't.
Testcase to follow with a subsequent patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106878
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Bruno Cardoso Lopes [Fri, 25 Jun 2010 20:29:27 +0000 (20:29 +0000)]
Move the last piece of SSE2 convert instructions to the Convert Instructions section
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106877
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Bruno Cardoso Lopes [Fri, 25 Jun 2010 20:22:12 +0000 (20:22 +0000)]
More SSE refactoring, this time with different types of MOVs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106876
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Dan Gohman [Fri, 25 Jun 2010 18:47:08 +0000 (18:47 +0000)]
Eliminate a redundant FoldingSet lookup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106872
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Jim Grosbach [Fri, 25 Jun 2010 18:43:14 +0000 (18:43 +0000)]
IT instructions are considered to be scheduling hazards, but are scheduled
with the following instructions. This is done via trickery by considering the
instruction preceding the IT to be the hazard. Care must be taken to ensure
it's the first non-debug instruction, or the presence of debug info will
affect codegen.
Part of the continuing work for rdar://
7797940, making ARM code-gen unaffected
by the presence of debug information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106871
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Bruno Cardoso Lopes [Fri, 25 Jun 2010 18:06:22 +0000 (18:06 +0000)]
Refactoring of more SSE conversion instructions. Also add some AVX instrinsics Int_V... placeholders
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106867
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Dale Johannesen [Fri, 25 Jun 2010 17:41:07 +0000 (17:41 +0000)]
Cosmetic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106865
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Devang Patel [Fri, 25 Jun 2010 17:32:23 +0000 (17:32 +0000)]
XFAIL this test on powerpc for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106862
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Daniel Dunbar [Fri, 25 Jun 2010 16:29:14 +0000 (16:29 +0000)]
Fix LLVM CMake PACKAGE_VERSION variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106861
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Benjamin Kramer [Fri, 25 Jun 2010 16:07:18 +0000 (16:07 +0000)]
Rewrite MemoryBuffer::getSTDIN to use read(2) and a SmallVector buffer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106856
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Duncan Sands [Fri, 25 Jun 2010 14:48:39 +0000 (14:48 +0000)]
Remove variables which are assigned to but for which the value
is not used. Spotted by gcc-4.6.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106854
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Benjamin Kramer [Fri, 25 Jun 2010 12:51:01 +0000 (12:51 +0000)]
Bring back the empty vector workaround I removed in r106839. Looks like MSVC needs it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106841
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Benjamin Kramer [Fri, 25 Jun 2010 11:50:40 +0000 (11:50 +0000)]
Tweak MemoryBuffer to allocate the class itself, the name and possibly the
buffer in the same chunk of memory.
2 less mallocs for every uninitialized MemoryBuffer and 1 less malloc for every
MemoryBuffer pointing to a memory range translate into 20% less mallocs on
clang -cc1 -Eonly Cocoa_h.m.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106839
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Gabor Greif [Fri, 25 Jun 2010 11:25:30 +0000 (11:25 +0000)]
use ArgOperand accessors
and CallInst for getting hold
of the intrinsic's arguments
simplify along the way (at least for me this is much more legible now)
Bill, Baldrick or Anton, please review\!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106838
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Gabor Greif [Fri, 25 Jun 2010 09:44:37 +0000 (09:44 +0000)]
use ArgOperand API (the simple part)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106837
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Gabor Greif [Fri, 25 Jun 2010 09:38:13 +0000 (09:38 +0000)]
use ArgOperand API
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106836
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Gabor Greif [Fri, 25 Jun 2010 09:36:23 +0000 (09:36 +0000)]
use ArgOperand API
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106835
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Duncan Sands [Fri, 25 Jun 2010 09:35:33 +0000 (09:35 +0000)]
Remove unused variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106834
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Gabor Greif [Fri, 25 Jun 2010 09:03:52 +0000 (09:03 +0000)]
use ArgOperand API and CallSite to access arguments of CallInst
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106833
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Gabor Greif [Fri, 25 Jun 2010 08:48:19 +0000 (08:48 +0000)]
use ArgOperand API and CallSite to access arguments of CallInst
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106829
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Gabor Greif [Fri, 25 Jun 2010 08:24:59 +0000 (08:24 +0000)]
use ArgOperand API
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106828
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Gabor Greif [Fri, 25 Jun 2010 08:16:50 +0000 (08:16 +0000)]
prune an include
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106827
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Gabor Greif [Fri, 25 Jun 2010 07:58:41 +0000 (07:58 +0000)]
use ArgOperand API (one more hunk I could split)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106825
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Gabor Greif [Fri, 25 Jun 2010 07:57:14 +0000 (07:57 +0000)]
use ArgOperand API (some hunks I could split)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106824
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Gabor Greif [Fri, 25 Jun 2010 07:40:32 +0000 (07:40 +0000)]
use ArgOperand API; tighten type of handleFreeWithNonTrivialDependency to be able to use isFreeCall whithout a cast or new overload
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106823
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Bob Wilson [Fri, 25 Jun 2010 04:41:08 +0000 (04:41 +0000)]
Add missing ARM and Thumb data layout info for vector types.
Radar
8128745.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106820
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Bob Wilson [Fri, 25 Jun 2010 04:12:31 +0000 (04:12 +0000)]
Reduce indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106819
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Dale Johannesen [Fri, 25 Jun 2010 00:49:43 +0000 (00:49 +0000)]
Fix a case where an earlyclobber operand of an asm
is reused as an input. PR 4118. Testcase is too big,
as usual with bugs in this area, but there's one in
the PR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106816
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Bruno Cardoso Lopes [Fri, 25 Jun 2010 00:39:30 +0000 (00:39 +0000)]
Add some AVX convert instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106815
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Jakob Stoklund Olesen [Thu, 24 Jun 2010 23:57:35 +0000 (23:57 +0000)]
Make sure all eliminated kills are removed from VNInfo lists.
This fixes PR7479 and PR7485. The test cases from those PRs are big, so not
included. However, PR7485 comes from self hosting on FreeBSD, so we will surely
hear about any regression.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106811
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Dan Gohman [Thu, 24 Jun 2010 23:45:15 +0000 (23:45 +0000)]
Don't write an output file to cwd, and put an rdar prefix on
an rdar number.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106810
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Dan Gohman [Thu, 24 Jun 2010 23:41:59 +0000 (23:41 +0000)]
Add some comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106809
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Bruno Cardoso Lopes [Thu, 24 Jun 2010 23:37:07 +0000 (23:37 +0000)]
Refactoring of SSE convert intrinsics
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106808
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Dan Gohman [Thu, 24 Jun 2010 22:23:02 +0000 (22:23 +0000)]
Teach EmitLiveInCopies to omit copies for unused virtual registers,
and to clean up unused incoming physregs from the live-in list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106805
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Bruno Cardoso Lopes [Thu, 24 Jun 2010 22:22:21 +0000 (22:22 +0000)]
Refactoring of SSE conversion instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106804
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Bob Wilson [Thu, 24 Jun 2010 22:21:19 +0000 (22:21 +0000)]
Change array references to match my previous change to use the public type
names for the array fields.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106803
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Oscar Fuentes [Thu, 24 Jun 2010 22:05:52 +0000 (22:05 +0000)]
DataTypes.h.cmake (MSVC): Protect some #define's and use specific
suffixes for integer types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106797
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Bruno Cardoso Lopes [Thu, 24 Jun 2010 22:04:40 +0000 (22:04 +0000)]
Refactor SSE cmp intrinsics and declare the same for AVX
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106796
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Bob Wilson [Thu, 24 Jun 2010 22:04:30 +0000 (22:04 +0000)]
Fix up some comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106795
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Bob Wilson [Thu, 24 Jun 2010 22:03:41 +0000 (22:03 +0000)]
Use the struct tags mandated by ARM's ABI. Also use the public type names for
the array fields in these structs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106794
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Bill Wendling [Thu, 24 Jun 2010 22:00:37 +0000 (22:00 +0000)]
It's possible that a flag is added to the SDNode that points back to the
original SDNode. This is badness. Also, this function allows one SDNode to point
multiple flags to another SDNode. Badness as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106793
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Devang Patel [Thu, 24 Jun 2010 21:51:19 +0000 (21:51 +0000)]
DBG_VALUE machine instruction pointing to undefined register for a variable justify a separate scope if the variable is inlined function's argument.
Radar
8122864.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106792
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Jakob Stoklund Olesen [Thu, 24 Jun 2010 20:54:29 +0000 (20:54 +0000)]
Don't return a std::vector in the Spiller interface, but take a reference to a
vector instead. This avoids needless copying and allocation.
Add documentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106788
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Bruno Cardoso Lopes [Thu, 24 Jun 2010 20:48:23 +0000 (20:48 +0000)]
- Add AVX COMI{SS,SD}{rr,rm} and UCOMI{SS,SD}{rr,rm}.
- Fix a small VEX encoding issue.
- Move compare instructions to their appropriate place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106787
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Jakob Stoklund Olesen [Thu, 24 Jun 2010 20:18:15 +0000 (20:18 +0000)]
Remove the now unused LiveIntervals::getVNInfoSourceReg().
This method was always a bit too simplistic for the real world. It didn't really
deal with subregisters and such.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106781
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Jakob Stoklund Olesen [Thu, 24 Jun 2010 20:16:00 +0000 (20:16 +0000)]
Teach AdjustCopiesBackFrom to also use CoalescerPair to identify compatible copies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106780
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Dale Johannesen [Thu, 24 Jun 2010 20:14:51 +0000 (20:14 +0000)]
Disallow matching "i" constraint to symbol addresses when
address requires a register or secondary load to compute
(most PIC modes). This improves "g" constraint handling.
8015842.
The test from 2007 is attempting to test the fix for PR1761,
but since -relocation-model=static doesn't work on Darwin
x86-64, it was not testing what it was supposed to be testing
and was passing erroneously. Fixed to use Linux x86-64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106779
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Eric Christopher [Thu, 24 Jun 2010 20:14:34 +0000 (20:14 +0000)]
Silence some unused variable warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106778
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Jakob Stoklund Olesen [Thu, 24 Jun 2010 19:56:08 +0000 (19:56 +0000)]
Remove the -fast-spill option.
This code path has never really been used, and we are going to be handling
spilling through the Spiller interface in the future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106777
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Dan Gohman [Thu, 24 Jun 2010 19:34:03 +0000 (19:34 +0000)]
Document problems that I encountered when working on -scev-aa.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106776
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Evan Cheng [Thu, 24 Jun 2010 19:10:14 +0000 (19:10 +0000)]
Oops. IT block formation pass needs to be run at any optimization level.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106775
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Bill Wendling [Thu, 24 Jun 2010 18:49:10 +0000 (18:49 +0000)]
Loosen up the requirements in the Horrible Hack(tm) to include all selectors
which don't have a catch-all associated with them not just clean-ups. This fixes
the SingleSource/Benchmarks/Shootout-C++/except.cpp testcase that broke because
of my change r105902.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106772
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Eli Friedman [Thu, 24 Jun 2010 18:20:04 +0000 (18:20 +0000)]
Always allow Thumb-2 SXTB, SXTH, UXTB, and UXTH. Fixes PR7324.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106770
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Jakob Stoklund Olesen [Thu, 24 Jun 2010 18:15:01 +0000 (18:15 +0000)]
Replace a big gob of old coalescer logic with the new CoalescerPair class.
CoalescerPair can determine if a copy can be coalesced, and which register gets
merged away. The old logic in SimpleRegisterCoalescing had evolved into
something a bit too convoluted.
This second attempt fixes some crashes that only occurred Linux.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106769
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Dan Gohman [Thu, 24 Jun 2010 17:36:51 +0000 (17:36 +0000)]
Add an exports file for the Hello example plugin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106768
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Jakob Stoklund Olesen [Thu, 24 Jun 2010 17:31:07 +0000 (17:31 +0000)]
Print the LSBs of a SlotIndex symbolically using letters referring to the
[L]oad, [u]se, [d]ef, or [S]tore slots.
This makes it easier to see if two indices refer to the same instruction,
avoiding mental mod 4 calculations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106766
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Dan Gohman [Thu, 24 Jun 2010 17:08:31 +0000 (17:08 +0000)]
Simplify this code; switch lowering shouldn't produce cases
which trivially fold away.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106765
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Dan Gohman [Thu, 24 Jun 2010 16:57:52 +0000 (16:57 +0000)]
A few minor micro-optimizations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106764
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Dan Gohman [Thu, 24 Jun 2010 16:51:25 +0000 (16:51 +0000)]
Teach getExactSDiv to evaluate x/1 to x up front, as it's a common
enough special case, and it theoretically allows more folding because
it works even when x is unanalyzable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106763
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Bob Wilson [Thu, 24 Jun 2010 16:50:20 +0000 (16:50 +0000)]
PR7458: Try commuting Thumb2 instruction operands to put them into 2-address
form so they can be narrowed to 16-bit instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106762
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Bob Wilson [Thu, 24 Jun 2010 16:48:26 +0000 (16:48 +0000)]
Edit and clarify comments for TargetInstrInfo methods:
None of the existing implementations of commuteInstruction create new
instructions unless the NewMI parameter is true, but the comment had
implied otherwise.
findCommutedOpIndices returns false, not true, when it doesn't know
how to commute the instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106761
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Dan Gohman [Thu, 24 Jun 2010 16:47:03 +0000 (16:47 +0000)]
Don't try to preserve pointer types in SCEVConstants; the old code
was over-complicated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106760
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Dan Gohman [Thu, 24 Jun 2010 16:45:11 +0000 (16:45 +0000)]
Fix copy+pasto issues in isMulSExtable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106759
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Dan Gohman [Thu, 24 Jun 2010 16:33:38 +0000 (16:33 +0000)]
Make the trunc code consistent with the zext and sext code in its
handling of pointer types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106757
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Dan Gohman [Thu, 24 Jun 2010 16:31:32 +0000 (16:31 +0000)]
Add a comment about a thread safety issue in Statistic.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106756
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Dan Gohman [Thu, 24 Jun 2010 16:25:50 +0000 (16:25 +0000)]
Add overloads for getFile and getFileOrSTDIN which take a const char *
instead of a StringRef, avoiding the need to copy the string in the
common case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106754
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Jakob Stoklund Olesen [Thu, 24 Jun 2010 16:19:28 +0000 (16:19 +0000)]
Be more strict about subreg-to-subreg copies in CoalescerPair.
Also keep track of the original DstREg before subregister adjustments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106753
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Gabor Greif [Thu, 24 Jun 2010 16:11:44 +0000 (16:11 +0000)]
use ArgOperand API
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106752
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Jakob Stoklund Olesen [Thu, 24 Jun 2010 15:56:59 +0000 (15:56 +0000)]
Verify that VNI kills are pointing to existing instructions.
In this case it is essential that the kill is real because the spiller will
decide to omit a spill if it thinks there is a later kill.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106751
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Gabor Greif [Thu, 24 Jun 2010 15:51:11 +0000 (15:51 +0000)]
use (even more, still) ArgOperand API
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106750
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Dan Gohman [Thu, 24 Jun 2010 15:24:03 +0000 (15:24 +0000)]
Eliminate the other half of the BRCOND optimization, and update
as many tests as possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106749
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Dan Gohman [Thu, 24 Jun 2010 15:04:11 +0000 (15:04 +0000)]
Eliminate the first have of the optimization which eliminates BRCOND
when the condition is constant. This optimization shouldn't be
necessary, because codegen shouldn't be able to find dead control
paths that the IR-level optimizer can't find. And it's undesirable,
because it encourages bugpoint to leave "br i1 false" branches
in its output. And it wasn't updating the CFG.
I updated all the tests I could, but some tests are too reduced
and I wasn't able to meaningfully preserve them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106748
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Gabor Greif [Thu, 24 Jun 2010 14:42:01 +0000 (14:42 +0000)]
use ArgOperand API and CallSite for arg range; add necessary casts and perform some cosmetics
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106747
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Dan Gohman [Thu, 24 Jun 2010 14:30:44 +0000 (14:30 +0000)]
Reapply r106634, now that the bug it exposed is fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106746
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Gabor Greif [Thu, 24 Jun 2010 14:13:36 +0000 (14:13 +0000)]
use ArgOperand API and CallSite for arg range
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106745
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Gabor Greif [Thu, 24 Jun 2010 13:54:33 +0000 (13:54 +0000)]
use (even more) ArgOperand API
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106744
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Gabor Greif [Thu, 24 Jun 2010 13:42:49 +0000 (13:42 +0000)]
use ArgOperand API
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106743
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