OSDN Git Service
Bob Wilson [Tue, 6 Jul 2010 23:36:25 +0000 (23:36 +0000)]
Use REG_SEQUENCE nodes to make the table registers for VTBL instructions be
allocated to consecutive registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107730
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Dale Johannesen [Tue, 6 Jul 2010 23:27:00 +0000 (23:27 +0000)]
Accept RIP-relative symbols with 'i' constraint, and
print the (%rip) only if the 'a' modifier is present.
PR 7528.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107727
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Jakob Stoklund Olesen [Tue, 6 Jul 2010 23:26:25 +0000 (23:26 +0000)]
Convert INSERT_SUBREG to COPY in TwoAddressInstructionPass.
INSERT_SUBREG will now only appear in SSA machine instructions.
Fix the handling of partial redefs in ProcessImplicitDefs. This is now relevant
since partial redef COPY instructions appear.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107726
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Jakob Stoklund Olesen [Tue, 6 Jul 2010 23:26:23 +0000 (23:26 +0000)]
Track defs for all aliases in NEONMoveFix.
This means that an instruction defining an S register will affect the domain of
the parent D register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107725
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Bruno Cardoso Lopes [Tue, 6 Jul 2010 23:15:17 +0000 (23:15 +0000)]
Add the rest of AVX SSE4.1 packed move with sign/zero extend instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107723
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Dale Johannesen [Tue, 6 Jul 2010 23:06:58 +0000 (23:06 +0000)]
Make test not hang waiting for input.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107721
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Bruno Cardoso Lopes [Tue, 6 Jul 2010 23:01:41 +0000 (23:01 +0000)]
Add part of AVX SSE4.1 packed move with sign/zero extend instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107720
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Bruno Cardoso Lopes [Tue, 6 Jul 2010 22:38:32 +0000 (22:38 +0000)]
Fix comment from previous patch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107717
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Bruno Cardoso Lopes [Tue, 6 Jul 2010 22:36:24 +0000 (22:36 +0000)]
Add AVX vblendvpd, vblendvps and vpblendvb instructions
Update VEX encoding to support those new instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107715
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Dan Gohman [Tue, 6 Jul 2010 22:19:37 +0000 (22:19 +0000)]
CanLowerReturn doesn't need a SelectionDAG; it just needs an LLVMContext.
SelectBasicBlock doesn't needs its BasicBlock argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107712
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Devang Patel [Tue, 6 Jul 2010 22:08:15 +0000 (22:08 +0000)]
Propagate debug loc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107710
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Bob Wilson [Tue, 6 Jul 2010 21:26:18 +0000 (21:26 +0000)]
Represent NEON load/store alignments in bytes, not bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107701
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Jakob Stoklund Olesen [Tue, 6 Jul 2010 21:13:03 +0000 (21:13 +0000)]
One more case assuming that subregs have live ranges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107700
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John McCall [Tue, 6 Jul 2010 21:07:14 +0000 (21:07 +0000)]
Closing tags start with slashes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107699
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Jakob Stoklund Olesen [Tue, 6 Jul 2010 21:06:39 +0000 (21:06 +0000)]
Fix buildbot breakage where a def is missing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107698
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Devang Patel [Tue, 6 Jul 2010 21:05:17 +0000 (21:05 +0000)]
Add fixme.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107697
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Chris Lattner [Tue, 6 Jul 2010 20:51:35 +0000 (20:51 +0000)]
minor typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107696
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Jakob Stoklund Olesen [Tue, 6 Jul 2010 20:31:51 +0000 (20:31 +0000)]
Be more forgiving when calculating alias interference for physreg coalescing.
It is OK for an alias live range to overlap if there is a copy to or from the
physical register. CoalescerPair can work out if the copy is coalescable
independently of the alias.
This means that we can join with the actual destination interval instead of
using the getOrigDstReg() hack. It is no longer necessary to merge clobber
ranges into subregisters.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107695
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Dan Gohman [Tue, 6 Jul 2010 20:24:04 +0000 (20:24 +0000)]
Reapply r107655 with fixes; insert the pseudo instruction into
the block before calling the expansion hook. And don't
put EFLAGS in a mbb's live-in list twice.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107691
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Matt Fleming [Tue, 6 Jul 2010 18:44:02 +0000 (18:44 +0000)]
Add X86_64 ELF relocation values and ELF64 relocation classes.
Patch from Roman Divacky.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107688
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Matt Fleming [Tue, 6 Jul 2010 18:36:57 +0000 (18:36 +0000)]
Add some more ELF OSABI values as found in the System V Application
Binary Interface specification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107685
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Eric Christopher [Tue, 6 Jul 2010 18:35:20 +0000 (18:35 +0000)]
Fix to 80-col.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107684
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John McCall [Tue, 6 Jul 2010 18:34:49 +0000 (18:34 +0000)]
Provide IRBuilder conveniences for creating integer constants at common widths,
and give a more precise return type for some of the type-creation methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107683
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Nick Lewycky [Tue, 6 Jul 2010 18:24:09 +0000 (18:24 +0000)]
Alphabetize the list of function parameters.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107680
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Devang Patel [Tue, 6 Jul 2010 18:18:32 +0000 (18:18 +0000)]
Fix PR7545 crash.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107678
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John McCall [Tue, 6 Jul 2010 18:07:52 +0000 (18:07 +0000)]
Provide an abstraction to save and restore the current insertion point of
an IRBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107677
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Rafael Espindola [Tue, 6 Jul 2010 16:24:34 +0000 (16:24 +0000)]
Don't create neon moves in CopyRegToReg. NEONMoveFixPass will do the conversion
if profitable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107673
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Chris Lattner [Tue, 6 Jul 2010 15:59:27 +0000 (15:59 +0000)]
tighten up this code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107670
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Duncan Sands [Tue, 6 Jul 2010 15:52:15 +0000 (15:52 +0000)]
Bring the list of passes and their descriptions up to date.
Patch by Kenneth Hoste.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107669
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Dan Gohman [Tue, 6 Jul 2010 15:49:48 +0000 (15:49 +0000)]
Revert r107655.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107668
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Gabor Greif [Tue, 6 Jul 2010 15:44:11 +0000 (15:44 +0000)]
second round of low-level interface squeeze-out:
making all of CallInst's low-level operand accessors
private
If you get compile errors I strongly urge you to
update your code.
I tried to write the necessary clues into the
header where the compiler may point to, but no
guarantees. It works for my GCC.
You have several options to update your code:
- you can use the v2.8 ArgOperand accessors
- you can go via a temporary CallSite
- you can upcast to, say, User and call its
low-level accessors if your code is definitely
operand-order agnostic.
If you run into serious problems, please
comment in below thread (and back out this
revision only if absolutely necessary):
<http://groups.google.com/group/llvm-dev/browse_thread/thread/
64650cf343b28271>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107667
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Dan Gohman [Tue, 6 Jul 2010 15:39:54 +0000 (15:39 +0000)]
Add versions of OutputArgReg, AnalyzeReturn, and AnalyzeCallOperands
which do not depend on SelectionDAG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107666
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Dan Gohman [Tue, 6 Jul 2010 15:35:06 +0000 (15:35 +0000)]
Add a new CCValAssign LocInfo value, and a comment explaining what it
should be used for.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107661
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Dan Gohman [Tue, 6 Jul 2010 15:31:55 +0000 (15:31 +0000)]
Make getMinimalPhysRegClass' comment mention what makes it different
from getPhysicalRegisterRegClass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107660
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Dan Gohman [Tue, 6 Jul 2010 15:26:33 +0000 (15:26 +0000)]
Note the relationship between C99 restrict and LLVM noalias, and
clarify a few other things.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107659
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Anton Korobeynikov [Tue, 6 Jul 2010 15:24:56 +0000 (15:24 +0000)]
Fix a major regression on COFF targets introduced by r103267: 'discardable' section means that it is used only during the program load and can be discarded afterwards.
This way *only* debug sections can be discarded, but not the opposite. Seems like the copy-and-pasto from ELF code, since there it contains the reverse flag ('alloc').
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107658
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Dan Gohman [Tue, 6 Jul 2010 15:23:00 +0000 (15:23 +0000)]
Add some more TODO comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107657
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Dan Gohman [Tue, 6 Jul 2010 15:21:57 +0000 (15:21 +0000)]
Add a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107656
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Dan Gohman [Tue, 6 Jul 2010 15:18:19 +0000 (15:18 +0000)]
Fix a bunch of custom-inserter functions to handle the case where
the pseudo instruction is not at the end of the block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107655
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Eric Christopher [Tue, 6 Jul 2010 05:20:13 +0000 (05:20 +0000)]
Remove mistakenly added test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107641
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Eric Christopher [Tue, 6 Jul 2010 05:18:56 +0000 (05:18 +0000)]
Fix up -fstack-protector on linux to use the segment
registers. Split out testcases per architecture and os
now.
Patch from Nelson Elhage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107640
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Nick Lewycky [Tue, 6 Jul 2010 03:53:43 +0000 (03:53 +0000)]
Detabify this file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107637
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Nick Lewycky [Tue, 6 Jul 2010 03:53:22 +0000 (03:53 +0000)]
Add default value to setIsNoInline for parity with the other methods of its
kind.
Also fold some functions that fit on a line to a single line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107636
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Nick Lewycky [Tue, 6 Jul 2010 03:52:37 +0000 (03:52 +0000)]
Fix typo 'getter' where 'setter' was intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107635
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Eric Christopher [Mon, 5 Jul 2010 19:26:33 +0000 (19:26 +0000)]
Have the X86 backend use Triple instead of a string and some enums.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107625
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Kalle Raiskila [Mon, 5 Jul 2010 18:40:09 +0000 (18:40 +0000)]
Remove some unused/redundant code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107622
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Chris Lattner [Mon, 5 Jul 2010 05:53:14 +0000 (05:53 +0000)]
more tidying.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107615
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Chris Lattner [Mon, 5 Jul 2010 05:52:56 +0000 (05:52 +0000)]
another v2f32 case, in this case showing poor codegen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107614
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Chris Lattner [Mon, 5 Jul 2010 05:48:41 +0000 (05:48 +0000)]
some notes about suboptimal insertps's
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107613
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Chris Lattner [Mon, 5 Jul 2010 05:36:21 +0000 (05:36 +0000)]
random tidying
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107612
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Chris Lattner [Mon, 5 Jul 2010 04:38:33 +0000 (04:38 +0000)]
rip out even more sporadic v2f32 support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107610
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Chris Lattner [Mon, 5 Jul 2010 04:36:27 +0000 (04:36 +0000)]
rip out the various v2f32 "mmx" handling logic, now that
v2f32 is illegal on x86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107609
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Chris Lattner [Mon, 5 Jul 2010 03:56:55 +0000 (03:56 +0000)]
fix test on non-x86 hosts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107608
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Jakob Stoklund Olesen [Sun, 4 Jul 2010 23:24:23 +0000 (23:24 +0000)]
Print symbolic subreg indices on REG_SEQUENCE and INSERT_SUBREG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107602
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Chris Lattner [Sun, 4 Jul 2010 23:07:25 +0000 (23:07 +0000)]
Just rip v2f32 support completely out of the X86 backend. In
the example in the testcase, we now generate:
_test1: ## @test1
movss 4(%esp), %xmm0
addss 8(%esp), %xmm0
movl 12(%esp), %eax
movss %xmm0, (%eax)
ret
instead of:
_test1: ## @test1
subl $20, %esp
movl 24(%esp), %eax
movq %mm0, (%esp)
movq %mm0, 8(%esp)
movss (%esp), %xmm0
addss 12(%esp), %xmm0
movss %xmm0, (%eax)
addl $20, %esp
ret
v2f32 support did not work reliably because most of the X86
backend didn't know it was legal. It was apparently only added
to support returning source-level v2f32 values in MMX registers
in x86-32 mode. If ABI compatibility is important on this
GCC-extended-vector type for some reason, then the frontend
should generate IR that returns v2i32 instead of v2f32. However,
we generally don't try very hard to be abi compatible on gcc
extended vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107601
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Chris Lattner [Sun, 4 Jul 2010 22:57:10 +0000 (22:57 +0000)]
fix PR7518 - terrible codegen of <2 x float>, by only marking
v2f32 as legal in 32-bit mode. It is just as terrible there,
but I just care about x86-64 and noone claims it is valuable
in 64-bit mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107600
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Chris Lattner [Sun, 4 Jul 2010 22:56:10 +0000 (22:56 +0000)]
indentation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107599
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Evan Cheng [Sun, 4 Jul 2010 18:52:05 +0000 (18:52 +0000)]
Infer alignments of fixed frame objects when they are constructed. This ensures remat'ed loads from fixed slots have the right alignments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107591
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Chris Lattner [Sun, 4 Jul 2010 17:36:43 +0000 (17:36 +0000)]
indmemrem and lowerallocs are gone.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107587
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Bill Wendling [Sun, 4 Jul 2010 09:16:57 +0000 (09:16 +0000)]
Revert r107583. I no longer think that this is the way to solve the problem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107585
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Bill Wendling [Sun, 4 Jul 2010 08:59:55 +0000 (08:59 +0000)]
Mark sse_load_f32 and sse_load_f64 as having memory operands
(SDNPMemOperand). This way when they're morphed the memory operands will be
copied as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107583
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Gabor Greif [Sun, 4 Jul 2010 08:59:25 +0000 (08:59 +0000)]
back out r107580, I have seen what I wanted
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107582
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Bill Wendling [Sun, 4 Jul 2010 08:58:43 +0000 (08:58 +0000)]
Proper indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107581
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Gabor Greif [Sun, 4 Jul 2010 07:42:31 +0000 (07:42 +0000)]
[another test commit, just to tickle the selfhost buildbots; I'll back out in a few minutes]
second round of low-level interface squeeze-out:
making all of CallInst's low-level operand accessors
private
If you get compile errors I strongly urge you to
update your code.
I tried to write the necessary clues into the
header where the compiler may point to, but no
guarantees. It works for my GCC.
You have several options to update your code:
- you can use the v2.8 ArgOperand accessors
- you can go via a temporary CallSite
- you can upcast to, say, User and call its
low-level accessors if your code is definitely
operand-order agnostic.
If you run into serious problems, please
comment in below thread (and back out this
revision only if absolutely necessary):
<http://groups.google.com/group/llvm-dev/browse_thread/thread/
64650cf343b28271>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107580
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Eli Friedman [Sat, 3 Jul 2010 08:43:32 +0000 (08:43 +0000)]
Minor amendment to switch-lowering improvement.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107569
91177308-0d34-0410-b5e6-
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Eli Friedman [Sat, 3 Jul 2010 07:38:12 +0000 (07:38 +0000)]
Note switch-lowering inefficiency.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107565
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Bruno Cardoso Lopes [Sat, 3 Jul 2010 01:37:03 +0000 (01:37 +0000)]
Add AVX SSE4.1 blend, mpsadbw and vdp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107560
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Bruno Cardoso Lopes [Sat, 3 Jul 2010 01:15:47 +0000 (01:15 +0000)]
Add AVX SSE4.1 binop (some forms of packed max,min,mul,pack,cmp) instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107558
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Eric Christopher [Sat, 3 Jul 2010 01:09:18 +0000 (01:09 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107556
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Bruno Cardoso Lopes [Sat, 3 Jul 2010 00:49:21 +0000 (00:49 +0000)]
Add AVX SSE4.1 Horizontal Minimum and Position instruction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107552
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Evan Cheng [Sat, 3 Jul 2010 00:40:23 +0000 (00:40 +0000)]
Remove isSS argument from CreateFixedObject. Fixed objects cannot be spill slots so it's always false.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107550
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Bruno Cardoso Lopes [Sat, 3 Jul 2010 00:37:44 +0000 (00:37 +0000)]
Add AVX SSE4.1 round instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107549
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Jakob Stoklund Olesen [Sat, 3 Jul 2010 00:04:37 +0000 (00:04 +0000)]
Detect and handle COPY in many places.
This code is transitional, it will soon be possible to eliminate
isExtractSubreg, isInsertSubreg, and isMoveInstr in most places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107547
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Dan Gohman [Fri, 2 Jul 2010 23:52:36 +0000 (23:52 +0000)]
Document that BasicAA respects noalias, while InterproceduralBasicAA
does not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107546
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Dan Gohman [Fri, 2 Jul 2010 23:46:54 +0000 (23:46 +0000)]
Describe which dependencies are relevant to noalias, and document how
AliasAnalyses have the choice to respect noalias.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107544
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Bruno Cardoso Lopes [Fri, 2 Jul 2010 23:27:59 +0000 (23:27 +0000)]
Simple refactoring of SSE4.1 instructions, making room for the AVX forms
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107540
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Dan Gohman [Fri, 2 Jul 2010 23:18:08 +0000 (23:18 +0000)]
Add some html anchors, to allow attributes to be linked to directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107538
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Eric Christopher [Fri, 2 Jul 2010 23:17:38 +0000 (23:17 +0000)]
80-col fixup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107537
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Jakob Stoklund Olesen [Fri, 2 Jul 2010 22:29:50 +0000 (22:29 +0000)]
Add a new target independent COPY instruction and code to lower it.
The COPY instruction is intended to replace the target specific copy
instructions for virtual registers as well as the EXTRACT_SUBREG and
INSERT_SUBREG instructions in MachineFunctions. It won't we used in a selection
DAG.
COPY is lowered to native register copies by LowerSubregs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107529
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Bruno Cardoso Lopes [Fri, 2 Jul 2010 22:06:54 +0000 (22:06 +0000)]
- Add support for the rest of AVX SSE3 instructions
- Fix VEX prefix to be emitted with 3 bytes whenever VEX_5M
represents a REX equivalent two byte leading opcode
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107523
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Jakob Stoklund Olesen [Fri, 2 Jul 2010 21:44:22 +0000 (21:44 +0000)]
Clean up TargetOpcodes.h a bit, and limit the number of places where the full
list of predefined instructions appear. Add some consistency checks.
Ideally, TargetOpcodes.h should be produced by TableGen from Target.td, but it
is hardly worth the effort.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107520
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Jim Grosbach [Fri, 2 Jul 2010 21:23:37 +0000 (21:23 +0000)]
Custom inserters (e.g., conditional moves in Thumb1 can introduce
new basic blocks, and if used as a function argument, that can cause call frame
setup / destroy pairs to be split across a basic block boundary. That prevents
us from doing a simple assertion to check that the pairs match and alloc/
dealloc the same amount of space. Modify the assertion to only check the
amount allocated when there are matching pairs in the same basic block.
rdar://
8022442
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107517
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Devang Patel [Fri, 2 Jul 2010 21:13:23 +0000 (21:13 +0000)]
MDString is already checked earlier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107516
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Evan Cheng [Fri, 2 Jul 2010 21:07:09 +0000 (21:07 +0000)]
Remove early IT block formation. It's not used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107513
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Evan Cheng [Fri, 2 Jul 2010 20:36:18 +0000 (20:36 +0000)]
- Two-address pass should not assume unfolding is always successful.
- X86 unfolding should check if the instructions being unfolded has memoperands.
If there is no memoperands, then it must assume conservative alignment. If this
would introduce an expensive sse unaligned load / store, then unfoldMemoryOperand
etc. should not unfold the instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107509
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Dan Gohman [Fri, 2 Jul 2010 20:20:50 +0000 (20:20 +0000)]
Remove an unused enum.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107507
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Dale Johannesen [Fri, 2 Jul 2010 20:16:09 +0000 (20:16 +0000)]
Propagate the AlignStack bit in InlineAsm's to the
PrologEpilog code, and use it to determine whether
the asm forces stack alignment or not. gcc consistently
does not do this for GCC-style asms; Apple gcc inconsistently
sometimes does it for asm blocks. There is no
convenient place to put a bit in either the SDNode or
the MachineInstr form, so I've added an extra operand
to each; unlovely, but it does allow for expansion for
more bits, should we need it. PR 5125. Some
existing testcases are affected.
The operand lists of the SDNode and MachineInstr forms
are indexed with awesome mnemonics, like "2"; I may
fix this someday, but not now. I'm not making it any
worse. If anyone is inspired I think you can find all
the right places from this patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107506
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Jakob Stoklund Olesen [Fri, 2 Jul 2010 19:54:47 +0000 (19:54 +0000)]
Remove invalid assert
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107505
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Jakob Stoklund Olesen [Fri, 2 Jul 2010 19:54:45 +0000 (19:54 +0000)]
Handle unindexed instructions in SlotIndices.
SlotIndexes::insertMachineInstrInMaps would crash when trying to insert an
instruction imediately after an unmapped debug value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107504
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Jakob Stoklund Olesen [Fri, 2 Jul 2010 19:54:40 +0000 (19:54 +0000)]
Properly handle debug values during inline spilling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107503
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Gabor Greif [Fri, 2 Jul 2010 19:26:28 +0000 (19:26 +0000)]
beautify output
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107500
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Gabor Greif [Fri, 2 Jul 2010 19:08:46 +0000 (19:08 +0000)]
use ArgOperand API
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107498
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Dan Gohman [Fri, 2 Jul 2010 18:43:05 +0000 (18:43 +0000)]
Don't claim to preserve AliasAnalysis. First, this is doesn't actually
have any effect, and second, deleting stores can potentially invalidate
an AliasAnalysis, and there's currently no notification for this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107496
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Dan Gohman [Fri, 2 Jul 2010 18:41:32 +0000 (18:41 +0000)]
Reword the definition of the noalias attribute. The intention is for
the noalias argument on function attributes be usable to model the
C99 restrict keyword on arguments, and to allow AliasAnalysis to
consider a noalias-attributed argument to be an "identified object".
To support this, refactor a new "based on" concept out of the current
pointer aliasing "associated" concept. This "based on" concept is very
similar to (though it is not identical with) the "based on" concept
in C99.
Also, reword the definition of NoAlias to more closely describe the
concept that the optimizer uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107495
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Jakob Stoklund Olesen [Fri, 2 Jul 2010 17:44:57 +0000 (17:44 +0000)]
Rematerialize as much as possible before inserting spills and reloads.
This allows us to recognize the common case where all uses could be
rematerialized, and no stack slot allocation is necessary.
If some values could be fully rematerialized, remove them from the live range
before allocating a stack slot for the rest.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107492
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Jim Grosbach [Fri, 2 Jul 2010 17:41:59 +0000 (17:41 +0000)]
80-column and trailing whitespace cleanup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107490
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Jim Grosbach [Fri, 2 Jul 2010 17:38:34 +0000 (17:38 +0000)]
grammar tweaks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107489
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Bob Wilson [Fri, 2 Jul 2010 17:23:44 +0000 (17:23 +0000)]
Fix incorrect asm-printing of some NEON immediates. Fix weak testcase so
that it checks the immediate values, not just the instructions opcodes.
Radar
8110263.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107487
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Gabor Greif [Fri, 2 Jul 2010 13:37:16 +0000 (13:37 +0000)]
use ArgOperand API (found by my previous commit)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107482
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Gabor Greif [Fri, 2 Jul 2010 13:27:50 +0000 (13:27 +0000)]
back out r107480, it was just testing the waters anyway...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107481
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