OSDN Git Service
Akira Hatanaka [Fri, 8 Jul 2011 00:42:35 +0000 (00:42 +0000)]
Raise assertion when MachineOperand has unexpected target flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134671
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Akira Hatanaka [Fri, 8 Jul 2011 00:26:25 +0000 (00:26 +0000)]
Make sure variable Kind is assigned a value to suppress warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134668
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Jakob Stoklund Olesen [Fri, 8 Jul 2011 00:24:06 +0000 (00:24 +0000)]
Fix more register allocation sensitive tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134667
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Jakob Stoklund Olesen [Fri, 8 Jul 2011 00:24:03 +0000 (00:24 +0000)]
Remove a test that no longer makes sense.
It was testing a linear scan feature:
Test if linearscan is unfavoring registers for allocation to allow
more reuse of reloads from stack slots.
The greedy register allocator doesn't access any stack slots in this
function, so the linear scan feature was not being tested.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134666
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Nick Lewycky [Fri, 8 Jul 2011 00:19:27 +0000 (00:19 +0000)]
Let the inline asm 'q' constraint match float, and on 64-bit double too.
Fixes PR9602!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134665
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Eric Christopher [Fri, 8 Jul 2011 00:04:56 +0000 (00:04 +0000)]
Go ahead and emit the barrier on x86-64 even without sse2. The
processor supports it just fine.
Fixes PR9675 and rdar://
9740801
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134664
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Akira Hatanaka [Thu, 7 Jul 2011 23:56:50 +0000 (23:56 +0000)]
Lower MachineInstr to MC Inst and print to .s files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134661
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Chandler Carruth [Thu, 7 Jul 2011 23:45:45 +0000 (23:45 +0000)]
Fix CMake build's library dependencies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134658
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Eric Christopher [Thu, 7 Jul 2011 22:54:12 +0000 (22:54 +0000)]
Handle fpcr register.
Part of PR10299 and rdar://
9740322
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134653
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Eric Christopher [Thu, 7 Jul 2011 22:29:07 +0000 (22:29 +0000)]
Add support for the X86 'l' constraint.
Fixes PR10149 and rdar://
9738585
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134648
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Eric Christopher [Thu, 7 Jul 2011 22:29:03 +0000 (22:29 +0000)]
Remove a FIXME. All of the standard ones are in the list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134647
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Akira Hatanaka [Thu, 7 Jul 2011 22:06:18 +0000 (22:06 +0000)]
Remove unnecessary newline.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134645
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Devang Patel [Thu, 7 Jul 2011 21:44:42 +0000 (21:44 +0000)]
Add DEBUG message.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134643
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Evan Cheng [Thu, 7 Jul 2011 21:06:52 +0000 (21:06 +0000)]
Add Mode64Bit feature and sink it down to MC layer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134641
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Bill Wendling [Thu, 7 Jul 2011 21:05:13 +0000 (21:05 +0000)]
Move a function out-of-line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134640
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Akira Hatanaka [Thu, 7 Jul 2011 20:54:20 +0000 (20:54 +0000)]
Rather than having printMemOperand change the way memory operands are printed
based on a modifier, split it into two functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134637
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Akira Hatanaka [Thu, 7 Jul 2011 20:30:33 +0000 (20:30 +0000)]
This patch adds a flag in MCAsmInfo that indicates whether dwarf register
numbers should be printed instead of symbolic register names in
MCAsmStreamer::EmitRegisterName. This is necessary because some versions of
GNU assembler won't accept code in which symbolic register names are used in
cfi directives. There is no change in behavior unless the flag is explicitly
set to true by a backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134635
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Akira Hatanaka [Thu, 7 Jul 2011 20:24:54 +0000 (20:24 +0000)]
Define class MipsMCInstLower.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134633
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Akira Hatanaka [Thu, 7 Jul 2011 20:10:52 +0000 (20:10 +0000)]
Change visibility of MipsAsmPrinter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134630
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Akira Hatanaka [Thu, 7 Jul 2011 19:27:22 +0000 (19:27 +0000)]
Define class MipsMCSymbolRefExpr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134629
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Akira Hatanaka [Thu, 7 Jul 2011 19:13:09 +0000 (19:13 +0000)]
Simplify MipsRegisterInfo::eliminateFrameIndex.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134628
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Evan Cheng [Thu, 7 Jul 2011 19:09:06 +0000 (19:09 +0000)]
Rewrite comment in English.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134627
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Evan Cheng [Thu, 7 Jul 2011 19:05:12 +0000 (19:05 +0000)]
Rename attribute 'thumb' to a more descriptive 'thumb-mode'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134626
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Akira Hatanaka [Thu, 7 Jul 2011 18:57:00 +0000 (18:57 +0000)]
Reverse order of operands of address operand mem so that the base operand comes
before the offset. This change will enable simplification of function
MipsRegisterInfo::eliminateFrameIndex.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134625
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Akira Hatanaka [Thu, 7 Jul 2011 18:27:36 +0000 (18:27 +0000)]
Add missing return statement.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134622
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Devang Patel [Thu, 7 Jul 2011 17:45:33 +0000 (17:45 +0000)]
If known DebugLocs do not match then two DBG_VALUE machine instructions are not identical. For example,
DBG_VALUE 3.
310000e+02, 0, !"ds"; dbg:sse.stepfft.c:138:18 @[ sse.stepfft.c:32:10 ]
DBG_VALUE 3.
310000e+02, 0, !"ds"; dbg:sse.stepfft.c:138:18 @[ sse.stepfft.c:31:10 ]
These two MIs represent identical value, 3.31..., for one variable, ds, but they are not identical because the represent two separate instances of inlined variable "ds".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134620
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Joerg Sonnenberger [Thu, 7 Jul 2011 16:53:52 +0000 (16:53 +0000)]
Recognize mipseb as alias for mips for symmetry with mipsel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134617
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Oscar Fuentes [Thu, 7 Jul 2011 16:33:00 +0000 (16:33 +0000)]
Update CMake library dependencies
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134616
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Douglas Gregor [Thu, 7 Jul 2011 15:59:22 +0000 (15:59 +0000)]
Fix CMake build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134614
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Cameron Zwarich [Thu, 7 Jul 2011 08:28:52 +0000 (08:28 +0000)]
The VMLA instruction and its friends are not actually fused; they're plain old
multiply-accumulate instructions with separate rounding steps.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134609
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Evan Cheng [Thu, 7 Jul 2011 08:26:46 +0000 (08:26 +0000)]
Sink feature IsThumb into MC layer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134608
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Evan Cheng [Thu, 7 Jul 2011 07:45:49 +0000 (07:45 +0000)]
Feature bits are 64-bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134607
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Evan Cheng [Thu, 7 Jul 2011 07:07:08 +0000 (07:07 +0000)]
Compute feature bits at time of MCSubtargetInfo initialization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134606
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Chris Lattner [Thu, 7 Jul 2011 05:29:18 +0000 (05:29 +0000)]
type can be null
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134601
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Chris Lattner [Thu, 7 Jul 2011 05:12:37 +0000 (05:12 +0000)]
use a more efficient check for 'is metadata'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134599
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Bill Wendling [Thu, 7 Jul 2011 04:42:01 +0000 (04:42 +0000)]
Use ArrayRef instead of a std::vector&.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134595
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Lang Hames [Thu, 7 Jul 2011 04:31:51 +0000 (04:31 +0000)]
Add functions 'hasPredecessor' and 'hasPredecessorHelper' to SDNode. The
hasPredecessorHelper function allows predecessors to be cached to speed up
repeated invocations. This fixes PR10186.
X.isPredecessorOf(Y) now just calls Y.hasPredecessor(X)
Y.hasPredecessor(X) calls Y.hasPredecessorHelper(X, Visited, Worklist) with
empty Visited and Worklist sets (i.e. no caching over invocations).
Y.hasPredecessorHelper(X, Visited, Worklist) caches search state in Visited
and Worklist to speed up repeated calls. The Visited set is searched for X
before going to the worklist to further search the DAG if necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134592
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Evan Cheng [Thu, 7 Jul 2011 03:55:05 +0000 (03:55 +0000)]
Change some ARM subtarget features to be single bit yes/no in order to sink them down to MC layer. Also fix tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134590
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Bill Wendling [Thu, 7 Jul 2011 00:54:13 +0000 (00:54 +0000)]
Add a target hook to encode the compact unwind information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134577
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Jim Grosbach [Thu, 7 Jul 2011 00:48:02 +0000 (00:48 +0000)]
Add isCodeGenOnly value to the CodeGenInstruction class.
So users of a CGI don't have to look up the value directly from the original
Record; just like the rest of the convenience values in the class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134576
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Lang Hames [Thu, 7 Jul 2011 00:36:02 +0000 (00:36 +0000)]
Added a testcase for PR10220.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134573
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Devang Patel [Thu, 7 Jul 2011 00:14:27 +0000 (00:14 +0000)]
Add DEBUG messages.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134572
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Evan Cheng [Thu, 7 Jul 2011 00:08:19 +0000 (00:08 +0000)]
Factor ARM triple parsing out of ARMSubtarget. Another step towards making ARM subtarget info available to MC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134569
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Devang Patel [Thu, 7 Jul 2011 00:05:58 +0000 (00:05 +0000)]
Use DBG_VALUE location while inserting DBG_VALUE during alloca promotion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134568
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Jakub Staszak [Wed, 6 Jul 2011 23:50:16 +0000 (23:50 +0000)]
Fix a bug in the "expect" intrinsic lowering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134566
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Eli Friedman [Wed, 6 Jul 2011 23:41:48 +0000 (23:41 +0000)]
When tail-merging multiple blocks, make sure to correctly update the live-in list on the merged block to correctly account for the live-outs of all the predecessors. They might not be the same in all cases (the testcase I have involves a PHI node where one of the operands is an IMPLICIT_DEF).
Unfortunately, the testcase I have is large and confidential, so I don't have a test to commit at the moment; I'll see if I can come up with something smaller where this issue reproduces.
<rdar://problem/
9716278>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134565
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Jim Grosbach [Wed, 6 Jul 2011 23:38:13 +0000 (23:38 +0000)]
Typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134563
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Devang Patel [Wed, 6 Jul 2011 23:26:18 +0000 (23:26 +0000)]
Remove dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134561
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Devang Patel [Wed, 6 Jul 2011 23:09:51 +0000 (23:09 +0000)]
Typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134559
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Bill Wendling [Wed, 6 Jul 2011 22:52:32 +0000 (22:52 +0000)]
Clean up the #includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134557
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Eric Christopher [Wed, 6 Jul 2011 22:41:18 +0000 (22:41 +0000)]
Grammar and 80-col.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134555
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Owen Anderson [Wed, 6 Jul 2011 22:36:59 +0000 (22:36 +0000)]
Fix a subtle issue in SmallVector. The following code did not work as expected:
vec.insert(vec.begin(), vec[3]);
The issue was that vec[3] returns a reference into the vector, which is invalidated when insert() memmove's the elements down to make space. The method needs to specifically detect and handle this case to correctly match std::vector's semantics.
Thanks to Howard Hinnant for clarifying the correct behavior, and explaining how std::vector solves this problem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134554
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Devang Patel [Wed, 6 Jul 2011 22:06:11 +0000 (22:06 +0000)]
Handle cases where multiple dbg.declare and dbg.value intrinsics are tied to one alloca.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134549
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Evan Cheng [Wed, 6 Jul 2011 22:02:34 +0000 (22:02 +0000)]
Add ARM MC registry routines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134547
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Evan Cheng [Wed, 6 Jul 2011 22:01:53 +0000 (22:01 +0000)]
Rename files for consistency.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134546
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Nick Lewycky [Wed, 6 Jul 2011 21:59:48 +0000 (21:59 +0000)]
Add ImmutableList::contains(). Patch by Rui Paulo!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134545
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Jim Grosbach [Wed, 6 Jul 2011 21:35:46 +0000 (21:35 +0000)]
Mark ARM pseudo-instructions as isPseudo.
This allows us to remove the (bogus and unneeded) encoding information from
the pseudo-instruction class definitions. All of the pseudos that haven't
been converted yet and still need encoding information instance from the normal
instruction classes and explicitly set isCodeGenOnly, and so are distinct
from this change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134540
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Jim Grosbach [Wed, 6 Jul 2011 21:33:38 +0000 (21:33 +0000)]
Don't require pseudo-instructions to carry encoding information.
For now this is distinct from isCodeGenOnly, as code-gen-only
instructions can (and often do) still have encoding information
associated with them. Once we've migrated all of them over to true
pseudo-instructions that are lowered to real instructions prior to
the printer/emitter, we can remove isCodeGenOnly and just use isPseudo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134539
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Devang Patel [Wed, 6 Jul 2011 21:09:55 +0000 (21:09 +0000)]
Simplify. Consolidate dbg.declare handling in AllocaPromoter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134538
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Andrew Trick [Wed, 6 Jul 2011 21:07:10 +0000 (21:07 +0000)]
indvars -disable-iv-rewrite: ExprToMap lives in Pass data, so be more
careful about referencing values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134537
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Jim Grosbach [Wed, 6 Jul 2011 20:57:35 +0000 (20:57 +0000)]
Remove un-used encoding info from Pseudo MLAv5.
Pseudo-instructions don't have encoding information, as they're lowered
to real instructions by the time we're doing binary encoding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134533
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Eli Friedman [Wed, 6 Jul 2011 20:56:26 +0000 (20:56 +0000)]
Fix missing triple support for RTEMS target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134532
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Andrew Trick [Wed, 6 Jul 2011 20:50:43 +0000 (20:50 +0000)]
indvars -disable-iv-rewrite: Added SimplifyCongruentIVs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134530
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Eli Friedman [Wed, 6 Jul 2011 20:48:27 +0000 (20:48 +0000)]
Remove some unnecessary includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134528
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Bill Wendling [Wed, 6 Jul 2011 20:33:48 +0000 (20:33 +0000)]
Constify getCompactUnwindRegNum.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134527
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Evan Cheng [Wed, 6 Jul 2011 19:45:42 +0000 (19:45 +0000)]
createMCInstPrinter doesn't need TargetMachine anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134525
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Tobias Grosser [Wed, 6 Jul 2011 19:20:02 +0000 (19:20 +0000)]
LICM: Remove trailing white spaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134521
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Tobias Grosser [Wed, 6 Jul 2011 19:19:55 +0000 (19:19 +0000)]
LICM: Do not loose alignment on promotion
The promotion code lost any alignment information, when hoisting loads and
stores out of the loop. This lead to incorrect aligned memory accesses. We now
use the largest alignment we can prove to be correct.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134520
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Jakub Staszak [Wed, 6 Jul 2011 18:31:02 +0000 (18:31 +0000)]
Add documenation about "branch_weight" metadata and __builtin_expect instruction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134517
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Jakub Staszak [Wed, 6 Jul 2011 18:22:43 +0000 (18:22 +0000)]
Introduce "expect" intrinsic instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134516
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Kevin Enderby [Wed, 6 Jul 2011 17:55:20 +0000 (17:55 +0000)]
Update MC/ELF/relocation.s with change to X86 PUSH64i8 in r134501.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134511
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Kevin Enderby [Wed, 6 Jul 2011 17:23:46 +0000 (17:23 +0000)]
Changed the X86 PUSH64i8 record to use the i64i8imm ParserMatchClass so that a
push with a small constant produces a 2-byte push.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134501
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David Greene [Wed, 6 Jul 2011 16:54:14 +0000 (16:54 +0000)]
Allow tagless builds and fix debug build configuration.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134498
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Evan Cheng [Wed, 6 Jul 2011 02:02:33 +0000 (02:02 +0000)]
Remove the AsmWriterEmitter (unused) feature that rely on TargetSubtargetInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134457
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Dan Gohman [Tue, 5 Jul 2011 22:09:19 +0000 (22:09 +0000)]
Revert r134366 and add an explicit triple to make this test host-independent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134447
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Dan Gohman [Tue, 5 Jul 2011 22:01:44 +0000 (22:01 +0000)]
Remove the ObjC ARC passes from the default optimization list, and add
extension points to be used by clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134444
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Devang Patel [Tue, 5 Jul 2011 21:48:22 +0000 (21:48 +0000)]
Preserve debug loc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134441
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Devang Patel [Tue, 5 Jul 2011 21:16:28 +0000 (21:16 +0000)]
Speculatively revert r134431.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134440
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Benjamin Kramer [Tue, 5 Jul 2011 20:28:00 +0000 (20:28 +0000)]
Use memcmp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134439
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Rafael Espindola [Tue, 5 Jul 2011 19:17:10 +0000 (19:17 +0000)]
Really fix typo :-(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134436
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Rafael Espindola [Tue, 5 Jul 2011 19:13:27 +0000 (19:13 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134433
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Devang Patel [Tue, 5 Jul 2011 18:58:22 +0000 (18:58 +0000)]
Clear debug loc while updating insert point.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134431
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Chad Rosier [Tue, 5 Jul 2011 18:55:31 +0000 (18:55 +0000)]
By default mkstemp() creates a temporary file with mode 0600, but the mode
used for open is 0666. Therefore, add the necessary permission bits for
consistency.
rdar://
8621462
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134430
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Jakob Stoklund Olesen [Tue, 5 Jul 2011 18:46:42 +0000 (18:46 +0000)]
Break infinite loop when the Hopfield network oscillates.
This is impossible in theory, I can prove it. In practice, our near-zero
threshold can cause the network to oscillate between equally good
solutions.
<rdar://problem/
9720596>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134428
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Rafael Espindola [Tue, 5 Jul 2011 18:41:47 +0000 (18:41 +0000)]
Compare all 4 bytes of the header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134427
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Eli Friedman [Tue, 5 Jul 2011 18:21:20 +0000 (18:21 +0000)]
Add assembler/disassembler support for non-AVX pclmulqdq. While I'm here, use proper aliases for the pclmullqlqdq and friends. PR10269.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134424
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Andrew Trick [Tue, 5 Jul 2011 18:19:39 +0000 (18:19 +0000)]
indvars -disable-iv-rewrite: avoid multiple IVs in weird cases.
Putting back the helper that I removed on 7/1 to do this right.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134423
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Jim Grosbach [Tue, 5 Jul 2011 16:05:50 +0000 (16:05 +0000)]
ARM estimateStackSize() needs to account for simplified call frames.
If the function allocates reserved stack space for callee argument frames,
estimateStackSize() needs to account for that, as it doesn't show up as
ordinary frame objects. Otherwise, a callee with a large argument list will
throw off the calculations for whether to allocate an emergency spill slot
and we get assert() failures in the register scavenger.
rdar://
9715469
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134415
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Jakob Stoklund Olesen [Tue, 5 Jul 2011 15:38:41 +0000 (15:38 +0000)]
Fix PR10277.
Remat during spilling triggers dead code elimination. If a phi-def
becomes unused, that may also cause live ranges to split into separate
connected components.
This type of splitting is different from normal live range splitting. In
particular, there may not be a common original interval.
When the split range is its own original, make sure that the new
siblings are also their own originals. The range being split cannot be
used as an original since it doesn't cover the new siblings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134413
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Jakob Stoklund Olesen [Tue, 5 Jul 2011 15:38:37 +0000 (15:38 +0000)]
Tweak comment and debug output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134412
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Michael J. Spencer [Tue, 5 Jul 2011 14:49:08 +0000 (14:49 +0000)]
Fix 80-col.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134409
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Michael J. Spencer [Tue, 5 Jul 2011 14:48:59 +0000 (14:48 +0000)]
Fix warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134408
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Tobias Grosser [Mon, 4 Jul 2011 23:09:02 +0000 (23:09 +0000)]
SuccIterator on bbs without terminator insts
Remove the assert that triggers if SuccIterator is constructed for a basic block
without a terminator instruction. Instead of triggering an assert a succ_end()
iterator is returned. This models a basic block with zero successors and allows
us to use F->viewCFG() on incompletely constructed functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134398
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Benjamin Kramer [Mon, 4 Jul 2011 20:16:36 +0000 (20:16 +0000)]
PR10267: Don't combine an equality compare with an AND into an inequality compare when the AND has more than one use.
This can pessimize code, inequalities are generally more expensive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134379
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Roman Divacky [Mon, 4 Jul 2011 15:42:45 +0000 (15:42 +0000)]
Remove accidentaly left node from previous iteration of the patch.
Noticed by Benjamin Kramer!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134376
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Rafael Espindola [Mon, 4 Jul 2011 04:54:22 +0000 (04:54 +0000)]
Move early tail duplication earlier.
This fixes the issue noted in PR10251 where early tail dup of bbs with
indirectbr would cause a bb to be duplicated into a loop preheader
and then into its predecessors, creating phi nodes with identical
operands just before register allocation.
This helps with jsinterp.o size (__TEXT goes from 163568 to 126656)
and a bit with performance 1.005x faster on sunspider (jits still enabled).
The result on webkit with the jit disabled is more significant: 1.021x faster.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134372
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Rafael Espindola [Mon, 4 Jul 2011 01:21:42 +0000 (01:21 +0000)]
Move most of the pre BB code to TailDuplicateAndUpdate. Change the
HasIndirectbr variable to be just that. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134371
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Rafael Espindola [Mon, 4 Jul 2011 00:13:36 +0000 (00:13 +0000)]
Reduce indentation and fix the count of how many PHIs we have inserted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134370
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Jakob Stoklund Olesen [Mon, 4 Jul 2011 00:05:28 +0000 (00:05 +0000)]
Fix PR10244.
A split point inserted in a block with a landing pad successor may be
hoisted above the call to ensure that it dominates all successors. The
code that handles the rest of the basic block must take this into
account.
I am not including a test case, it would be very fragile. PR10244 comes
from building clang with exceptions enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134369
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Roman Divacky [Sun, 3 Jul 2011 16:24:07 +0000 (16:24 +0000)]
Make the i64 and f64 be 64bit ABI aligned in the target description.
This is what both the ABI and clang says.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134367
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