David Blaikie [Tue, 4 Dec 2012 21:05:36 +0000 (21:05 +0000)]
Reapply r160148 (reverted in r163570) fixing spurious breakpoints in modern GDB
This reapplies the fix for PR13303 now with more justification. Based on my
execution of the GDB 7.5 test suite this results in:
expected passes: 16101 -> 20890 (+30%)
unexpected failures: 4826 -> 637 (-77%)
There are 23 checks that used to pass and now fail. They are all in
gdb.reverse. Investigating a few looks like they were accidentally passing
due to extra breakpoints being set by this bug. They're generally due to the
difference in end location between gcc and clang, the test suite is trying to
set breakpoints on the closing '}' that clang doesn't associate with any
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169304
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Eli Bendersky [Tue, 4 Dec 2012 19:08:43 +0000 (19:08 +0000)]
Remove a URL from code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169293
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Eli Bendersky [Tue, 4 Dec 2012 18:37:26 +0000 (18:37 +0000)]
Make NaCl naming consistent. The triple OSType is called NaCl and is represented
textually as NativeClient. Also added a link to the native client project for
readers unfamiliar with it.
A Clang patch will follow shortly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169291
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Nadav Rotem [Tue, 4 Dec 2012 18:17:33 +0000 (18:17 +0000)]
Add support for reduction variables when IF-conversion is enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169288
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Jyotsna Verma [Tue, 4 Dec 2012 18:05:01 +0000 (18:05 +0000)]
Add patterns to define 'combine', 'tstbit', 'ct0/cl0' (count trailing/leading zeros)
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169287
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Jyotsna Verma [Tue, 4 Dec 2012 17:12:00 +0000 (17:12 +0000)]
Add constant extender support to ALU32 instructions for V2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169284
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Eli Bendersky [Tue, 4 Dec 2012 17:00:11 +0000 (17:00 +0000)]
A test in thid directory was not being run because lit.local.cfg didn't
include .ll files. Fix that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169283
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Duncan Sands [Tue, 4 Dec 2012 16:36:05 +0000 (16:36 +0000)]
Fix comment typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169282
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Bill Schmidt [Tue, 4 Dec 2012 16:18:08 +0000 (16:18 +0000)]
This patch introduces initial-exec model support for thread-local storage
on 64-bit PowerPC ELF.
The patch includes code to handle external assembly and MC output with the
integrated assembler. It intentionally does not support the "old" JIT.
For the initial-exec TLS model, the ABI requires the following to calculate
the address of external thread-local variable x:
Code sequence Relocation Symbol
ld 9,x@got@tprel(2) R_PPC64_GOT_TPREL16_DS x
add 9,9,x@tls R_PPC64_TLS x
The register 9 is arbitrary here. The linker will replace x@got@tprel
with the offset relative to the thread pointer to the generated GOT
entry for symbol x. It will replace x@tls with the thread-pointer
register (13).
The two test cases verify correct assembly output and relocation output
as just described.
PowerPC-specific selection node variants are added for the two
instructions above: LD_GOT_TPREL and ADD_TLS. These are inserted
when an initial-exec global variable is encountered by
PPCTargetLowering::LowerGlobalTLSAddress(), and later lowered to
machine instructions LDgotTPREL and ADD8TLS. LDgotTPREL is a pseudo
that uses the same LDrs support added for medium code model's LDtocL,
with a different relocation type.
The rest of the processing is straightforward.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169281
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Justin Holewinski [Tue, 4 Dec 2012 16:11:51 +0000 (16:11 +0000)]
Update release notes for NVPTX
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169280
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Eli Bendersky [Tue, 4 Dec 2012 14:34:00 +0000 (14:34 +0000)]
Get rid of references to Tcl, DejagGNU, old test structure, discourage the use
of grep in favor of FileCheck, and other cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169269
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Eli Bendersky [Tue, 4 Dec 2012 13:55:17 +0000 (13:55 +0000)]
Remove the very out-of-date listing of "very important LLVM areas". I don't
think it adds much and keeping it up-to-date is (obviously) a chore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169263
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Evgeniy Stepanov [Tue, 4 Dec 2012 11:42:05 +0000 (11:42 +0000)]
Improve MSan tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169256
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NAKAMURA Takumi [Tue, 4 Dec 2012 11:34:27 +0000 (11:34 +0000)]
KillTheDoctor.cpp: Restore Win32 SDK headers before r169251.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169255
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Chandler Carruth [Tue, 4 Dec 2012 10:46:21 +0000 (10:46 +0000)]
Clean up the sample include orderings, not that it really matters...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169253
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Chandler Carruth [Tue, 4 Dec 2012 10:44:52 +0000 (10:44 +0000)]
Sort the #include lines for tools/...
Again, tools are trickier to pick the main module header for than
library source files. I've started to follow the pattern of using
LLVMContext.h when it is included as a stub for program source files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169252
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Chandler Carruth [Tue, 4 Dec 2012 10:37:14 +0000 (10:37 +0000)]
Sort the #include lines for utils/...
I've tried to find main moudle headers where possible, but the TableGen
stuff may warrant someone else looking at it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169251
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Chandler Carruth [Tue, 4 Dec 2012 10:23:08 +0000 (10:23 +0000)]
Sort the #include lines for unittest/...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169250
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Chandler Carruth [Tue, 4 Dec 2012 10:16:57 +0000 (10:16 +0000)]
Sort the #include lines of the examples/... tree.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169249
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Chandler Carruth [Tue, 4 Dec 2012 10:08:59 +0000 (10:08 +0000)]
Teach the include sorter to quickly skip files with an extension that
doesn't look like it will have C++ code in it.
Suggestions on a better heuristic are welcome.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169248
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Chandler Carruth [Tue, 4 Dec 2012 09:59:54 +0000 (09:59 +0000)]
Teach the include sorter to skip files under test trees and under INPUTS
trees. This allows running the input sorter on the entire clang
repository cleanly now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169247
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Chandler Carruth [Tue, 4 Dec 2012 09:44:38 +0000 (09:44 +0000)]
Teach the include sorting script about the gtest headers; sort them with
the system headers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169242
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NAKAMURA Takumi [Tue, 4 Dec 2012 07:25:24 +0000 (07:25 +0000)]
VMCoreTests/PassManagerTest.cpp: Appease msvc not to do "using llvm::Pass" in class template.
FIXME: I have not checked whether to be compiled on msvc11.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169225
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Chandler Carruth [Tue, 4 Dec 2012 07:12:27 +0000 (07:12 +0000)]
Sort includes for all of the .h files under the 'lib' tree. These were
missed in the first pass because the script didn't yet handle include
guards.
Note that the script is now able to handle all of these headers without
manual edits. =]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169224
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Nadav Rotem [Tue, 4 Dec 2012 07:11:52 +0000 (07:11 +0000)]
Give scalar if-converted blocks half the score because they are not always executed due to CF.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169223
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Chandler Carruth [Tue, 4 Dec 2012 07:04:58 +0000 (07:04 +0000)]
Address review comments from Matt on the sort_includes.py script.
1) Teach it to handle files with #include on the first line -- these do
actually exist in LLVM.
2) Support llvm-c and clang-c include projects.
3) Nuke some stail imports.
4) Switch to using os.path to split the file extension off.
5) Remove debugging leftovers.
6) Add docstring (a really puny one) for the sort function.
I'm continuing te avoid stripping the whitespace on the RHS to preserve
whatever newline characters happen to be in the original file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169222
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Chandler Carruth [Tue, 4 Dec 2012 07:04:57 +0000 (07:04 +0000)]
Add a comment about the requirement that the Windows.h header be last.
This comment has the dual effect of blocking reorderings with the
sort_include script.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169221
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Bill Wendling [Tue, 4 Dec 2012 06:20:49 +0000 (06:20 +0000)]
Add a 'count' field to the DWARF subrange.
The count field is necessary because there isn't a difference between the 'lo'
and 'hi' attributes for a one-element array and a zero-element array. When the
count is '0', we know that this is a zero-element array. When it's >=1, then
it's a normal constant sized array. When it's -1, then the array is unbounded.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169218
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Nadav Rotem [Tue, 4 Dec 2012 06:15:11 +0000 (06:15 +0000)]
Add the last part that is needed for vectorization of if-converted code.
Added the code that actually performs the if-conversion during vectorization.
We can now vectorize this code:
for (int i=0; i<n; ++i) {
unsigned k = 0;
if (a[i] > b[i]) <------ IF inside the loop.
k = k * 5 + 3;
a[i] = k; <---- K is a phi node that becomes vector-select.
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169217
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Kostya Serebryany [Tue, 4 Dec 2012 06:14:01 +0000 (06:14 +0000)]
[asan] add experimental -asan-realign-stack option (true by default, which does not change the current behavior)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169216
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Bill Wendling [Tue, 4 Dec 2012 06:12:44 +0000 (06:12 +0000)]
Add a 'getCount' method to get the number of elements in the subrange.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169215
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Matt Beaumont-Gay [Tue, 4 Dec 2012 05:41:27 +0000 (05:41 +0000)]
Add 'using' declarations to suppress -Woverloaded-virtual warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169214
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Jyotsna Verma [Tue, 4 Dec 2012 05:00:31 +0000 (05:00 +0000)]
Move all operand definitions into HexagonOperands.td
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169213
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Jyotsna Verma [Tue, 4 Dec 2012 04:29:16 +0000 (04:29 +0000)]
Move generic Hexagon subtarget information into Hexagon.td
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169212
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Sean Silva [Tue, 4 Dec 2012 03:45:27 +0000 (03:45 +0000)]
docs: Fix broken link.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169211
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Sean Silva [Tue, 4 Dec 2012 03:30:36 +0000 (03:30 +0000)]
docs: Fix dead link.
Apparently Dinkumware are no longer hosting their nice reference
manuals. Thankfully, `cppreference.com` can fill that role well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169210
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Shuxin Yang [Tue, 4 Dec 2012 03:28:32 +0000 (03:28 +0000)]
rdar://
12329730 (2nd part, revised)
The type of shirt-right (logical or arithemetic) should remain unchanged
when transforming "X << C1 >> C2" into "X << (C1-C2)"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169209
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Sean Silva [Tue, 4 Dec 2012 03:20:08 +0000 (03:20 +0000)]
docs: Convert ProgrammersManual to reST.
Patch by Alexander Zinenko!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169208
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Alexey Samsonov [Tue, 4 Dec 2012 01:34:23 +0000 (01:34 +0000)]
ASan: add initial support for handling llvm.lifetime intrinsics in ASan - emit calls into runtime library that poison memory for local variables when their lifetime is over and unpoison memory when their lifetime begins.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169200
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Jakub Staszak [Tue, 4 Dec 2012 01:00:52 +0000 (01:00 +0000)]
Simplify code. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169198
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Manman Ren [Tue, 4 Dec 2012 00:52:33 +0000 (00:52 +0000)]
Stack Alignment: when creating stack objects in MachineFrameInfo, make sure
the alignment is clamped to TargetFrameLowering.getStackAlignment if the target
does not support stack realignment or the option "realign-stack" is off.
This will cause miscompile if the address is treated as aligned and add is
replaced with or in DAGCombine.
Added a bool StackRealignable to TargetFrameLowering to check whether stack
realignment is implemented for the target. Also added a bool RealignOption
to MachineFrameInfo to check whether the option "realign-stack" is on.
rdar://
12713765
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169197
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Jakub Staszak [Tue, 4 Dec 2012 00:50:06 +0000 (00:50 +0000)]
Use dyn_cast instead of isa and cast. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169196
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NAKAMURA Takumi [Tue, 4 Dec 2012 00:49:34 +0000 (00:49 +0000)]
LoopVectorize.cpp: Suppress a warning. [-Wunused-variable]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169195
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NAKAMURA Takumi [Tue, 4 Dec 2012 00:49:28 +0000 (00:49 +0000)]
Fix whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169194
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Jakob Stoklund Olesen [Tue, 4 Dec 2012 00:46:13 +0000 (00:46 +0000)]
Remove the old TRI::ResolveRegAllocHint() and getRawAllocationOrder() hooks.
These functions have been replaced by TRI::getRegAllocationHints() which
provides the same capabilities.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169192
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Jakob Stoklund Olesen [Tue, 4 Dec 2012 00:35:59 +0000 (00:35 +0000)]
Remove VirtRegMap::getRegAllocPref().
Now that there can be multiple hint registers from targets, it doesn't
make sense to have a function that returns 'the' preferred register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169190
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Jakob Stoklund Olesen [Tue, 4 Dec 2012 00:30:22 +0000 (00:30 +0000)]
Use MRI::getSimpleHint() instead of getRegAllocPref() in remaining cases.
Targets can provide multiple hints now, so getRegAllocPref() doesn't
make sense any longer because it only returns one preferred register.
Replace it with getSimpleHint() in the remaining heuristics. This
function only
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169188
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Manman Ren [Tue, 4 Dec 2012 00:26:44 +0000 (00:26 +0000)]
Stack Alignment: move functions from header file MachineFrameInfo.h.
No functional change for this commit. The follow-up patch will add more stuff to
these functions.
rdar://
12713765
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169186
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NAKAMURA Takumi [Tue, 4 Dec 2012 00:08:14 +0000 (00:08 +0000)]
RuntimeDyld: Fix up r169178. MSVC doesn't like "or".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169183
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Shuxin Yang [Tue, 4 Dec 2012 00:04:54 +0000 (00:04 +0000)]
rdar://
12329730 (2nd part)
This change tries to simmplify E1 = " X >> C1 << C2" into :
- E2 = "X << (C2 - C1)" if C2 > C1, or
- E2 = "X >> (C1 - C2)" if C1 > C2, or
- E2 = X if C1 == C2.
Reviewed by Nadav. Thanks!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169182
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Jakob Stoklund Olesen [Mon, 3 Dec 2012 23:23:50 +0000 (23:23 +0000)]
Add VirtRegMap::hasKnownPreference().
Virtual registers with a known preferred register are prioritized by
RAGreedy. This function makes the condition explicit without depending
on getRegAllocPref().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169179
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Akira Hatanaka [Mon, 3 Dec 2012 23:12:19 +0000 (23:12 +0000)]
Runtime dynamic linker for MCJIT should support MIPS BigEndian architecture.
This small change adds support for that. It will make all MCJIT tests pass
in make-check on BigEndian platforms.
Patch by Petar Jovanovic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169178
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Akira Hatanaka [Mon, 3 Dec 2012 23:11:12 +0000 (23:11 +0000)]
Classic JIT is still being supported by MIPS, along with MCJIT.
This change adds endian-awareness to MipsJITInfo and emitWordLE in
MipsCodeEmitter has become emitWord now to support both endianness.
Patch by Petar Jovanovic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169177
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Michael Ilseman [Mon, 3 Dec 2012 22:57:47 +0000 (22:57 +0000)]
Minor tweaking to SmallVector static size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169176
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Nadav Rotem [Mon, 3 Dec 2012 22:57:09 +0000 (22:57 +0000)]
minor renaming, documentation and cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169175
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Akira Hatanaka [Mon, 3 Dec 2012 22:51:22 +0000 (22:51 +0000)]
Functions in MipsCodeEmitter.cpp that expand unaligned loads/stores are dead
code. Removing it.
Patch by Petar Jovanovic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169174
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Jakob Stoklund Olesen [Mon, 3 Dec 2012 22:51:04 +0000 (22:51 +0000)]
Use the new getRegAllocationHints() hook from AllocationOrder.
This simplifies the hinting code quite a bit while making the targets
easier to write at the same time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169173
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Nadav Rotem [Mon, 3 Dec 2012 22:47:12 +0000 (22:47 +0000)]
constify the cost API
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169172
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Nadav Rotem [Mon, 3 Dec 2012 22:46:31 +0000 (22:46 +0000)]
IF-conversion: teach the cost-model how to grade if-converted loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169171
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Jakob Stoklund Olesen [Mon, 3 Dec 2012 22:35:35 +0000 (22:35 +0000)]
Implement ARMBaseRegisterInfo::getRegAllocationHints().
This provides the same functionality as getRawAllocationOrder() for the
even/odd hints, but without the many constant register arrays.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169169
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Jyotsna Verma [Mon, 3 Dec 2012 22:26:28 +0000 (22:26 +0000)]
Define store instructions with base+immediate offset addressing mode
using multiclass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169168
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Michael J. Spencer [Mon, 3 Dec 2012 22:09:52 +0000 (22:09 +0000)]
[Support] Make FileOutputBuffer work on Windows.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169167
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Michael J. Spencer [Mon, 3 Dec 2012 22:09:31 +0000 (22:09 +0000)]
[Support][FileSystem] Fix open mode in resize_file on Windows.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169166
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Michael J. Spencer [Mon, 3 Dec 2012 22:07:00 +0000 (22:07 +0000)]
Revert the header sort on this file.
"Windows.h" includes <Windows.h> which defines a bunch of stuff it shouldn't
(even with all the restriction macros). We have no control over this file, so
make it's scope as small as possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169165
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Pedro Artigas [Mon, 3 Dec 2012 21:56:57 +0000 (21:56 +0000)]
moves doInitialization and doFinalization to the Pass class and removes some unreachable code in MachineModuleInfo
reviewed by Evan Cheng <evan.cheng@apple.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169164
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Argyrios Kyrtzidis [Mon, 3 Dec 2012 21:46:21 +0000 (21:46 +0000)]
Add a getMemorySize() function for DenseSet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169163
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Nadav Rotem [Mon, 3 Dec 2012 21:33:08 +0000 (21:33 +0000)]
Now that we have a basic if-conversion infrastructure we can rename the
"single basic block loop vectorizer" to "innermost loop vectorizer".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169158
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Michael Ilseman [Mon, 3 Dec 2012 21:29:36 +0000 (21:29 +0000)]
Since this SmallVector immediately grows on the next line, don't waste stack space. SmallVector is still needed due to existing APIs growing their arguments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169157
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Jakob Stoklund Olesen [Mon, 3 Dec 2012 21:17:00 +0000 (21:17 +0000)]
Add a new hook for providing register allocator hints more flexibly.
The TargetRegisterInfo::getRegAllocationHints() function is going to
replace the existing mechanisms for providing target-dependent hints to
the register allocator: ResolveRegAllocHint() and
getRawAllocationOrder().
The new hook is more flexible because it allows the target to provide
multiple preferred candidate registers for each virtual register, and it
is easier to use because targets are not required to return a reference
to a constant array like getRawAllocationOrder().
An optional VirtRegMap argument can be used to provide target-dependent
hints that depend on the provisional assignments of other virtual
registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169154
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Jyotsna Verma [Mon, 3 Dec 2012 21:13:13 +0000 (21:13 +0000)]
Define load instructions with base+immediate offset addressing mode
using multiclass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169153
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Nadav Rotem [Mon, 3 Dec 2012 21:06:35 +0000 (21:06 +0000)]
Add initial support for IF-conversion. This patch implements the first 1/3,
which is the legality of the if-conversion transformation. The next step is to
implement the cost-model for the if-converted code as well as the
vectorization itself.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169152
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Jyotsna Verma [Mon, 3 Dec 2012 20:39:45 +0000 (20:39 +0000)]
Define unsigned const-ext predicates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169149
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Jyotsna Verma [Mon, 3 Dec 2012 20:14:38 +0000 (20:14 +0000)]
Removing unnecessary 'else' statement from the predicates defined in HexagonOperards.td.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169148
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Argyrios Kyrtzidis [Mon, 3 Dec 2012 19:59:23 +0000 (19:59 +0000)]
Eliminate redundant bitwise operations when using a llvm/ADT/PointerUnion.
For comparison, with this code sample:
PointerUnion<int *, char *> Data;
PointerUnion<int *, char *> foo1() {
Data = new int;
return new int;
}
PointerUnion<int *, char *> foo2() {
Data = new char;
return new char;
}
Before this patch we would get:
define i64 @_Z4foo1v() uwtable ssp {
%1 = tail call noalias i8* @_Znwm(i64 4)
%2 = ptrtoint i8* %1 to i64
%3 = load i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8
%4 = and i64 %3, 1
%.masked.i = and i64 %2, -3
%5 = or i64 %4, %.masked.i
store i64 %5, i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8
%6 = tail call noalias i8* @_Znwm(i64 4)
%7 = ptrtoint i8* %6 to i64
%8 = and i64 %7, -3
ret i64 %8
}
define i64 @_Z4foo2v() uwtable ssp {
%1 = tail call noalias i8* @_Znwm(i64 1)
%2 = ptrtoint i8* %1 to i64
%3 = load i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8
%4 = and i64 %3, 1
%5 = or i64 %2, %4
%6 = or i64 %5, 2
store i64 %6, i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8
%7 = tail call noalias i8* @_Znwm(i64 1)
%8 = ptrtoint i8* %7 to i64
%9 = or i64 %8, 2
ret i64 %9
}
After the patch:
define i64 @_Z4foo1v() uwtable ssp {
%1 = tail call noalias i8* @_Znwm(i64 4)
%2 = ptrtoint i8* %1 to i64
store i64 %2, i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8
%3 = tail call noalias i8* @_Znwm(i64 4)
%4 = ptrtoint i8* %3 to i64
ret i64 %4
}
declare noalias i8* @_Znwm(i64)
define i64 @_Z4foo2v() uwtable ssp {
%1 = tail call noalias i8* @_Znwm(i64 1)
%2 = ptrtoint i8* %1 to i64
%3 = or i64 %2, 2
store i64 %3, i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8
%4 = tail call noalias i8* @_Znwm(i64 1)
%5 = ptrtoint i8* %4 to i64
%6 = or i64 %5, 2
ret i64 %6
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169147
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Eli Bendersky [Mon, 3 Dec 2012 19:58:12 +0000 (19:58 +0000)]
Simplify this test a bit because DWARF emission/dumping on some platforms
is not yet good enough for more sophistication. The important goal of this
test is to make sure llc doesn't crash on this IR like it used to.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169146
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Bill Wendling [Mon, 3 Dec 2012 19:44:25 +0000 (19:44 +0000)]
Add 'getInt64Field()' method to get the signed integer instead of unsigned.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169145
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Alexey Samsonov [Mon, 3 Dec 2012 19:09:26 +0000 (19:09 +0000)]
ASan: add blacklist file to ASan pass options. Clang patch for this will follow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169143
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Eli Bendersky [Mon, 3 Dec 2012 18:45:45 +0000 (18:45 +0000)]
Fix PR12942: Allow two CUs to be generated from the same source file.
Thanks Eric for the review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169142
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Nadav Rotem [Mon, 3 Dec 2012 17:34:44 +0000 (17:34 +0000)]
Teach the jump threading optimization to stop scanning the basic block when calculating the cost after passing the threshold.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169135
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Jakob Stoklund Olesen [Mon, 3 Dec 2012 17:31:11 +0000 (17:31 +0000)]
Revert r169039, "Aggregate pass execution time report by pass ID instead of pass instance."
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169134
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Chandler Carruth [Mon, 3 Dec 2012 17:02:12 +0000 (17:02 +0000)]
Sort the #include lines for the include/... tree with the script.
AKA: Recompile *ALL* the source code!
This one went much better. No manual edits here. I spot-checked for
silliness and grep-checked for really broken edits and everything seemed
good. It all still compiles. Yell if you see something that looks goofy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169133
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Chandler Carruth [Mon, 3 Dec 2012 17:01:46 +0000 (17:01 +0000)]
Teach the include sorter to not choke on include guards. ;]
Kind of important when prepping the include/... tree version of the sort
changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169132
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Chandler Carruth [Mon, 3 Dec 2012 16:50:05 +0000 (16:50 +0000)]
Use the new script to sort the includes of every file under lib.
Sooooo many of these had incorrect or strange main module includes.
I have manually inspected all of these, and fixed the main module
include to be the nearest plausible thing I could find. If you own or
care about any of these source files, I encourage you to take some time
and check that these edits were sensible. I can't have broken anything
(I strictly added headers, and reordered them, never removed), but they
may not be the headers you'd really like to identify as containing the
API being implemented.
Many forward declarations and missing includes were added to a header
files to allow them to parse cleanly when included first. The main
module rule does in fact have its merits. =]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169131
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Chris Lattner [Mon, 3 Dec 2012 16:08:32 +0000 (16:08 +0000)]
clarify that this isn't lld.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169130
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Chandler Carruth [Mon, 3 Dec 2012 14:23:44 +0000 (14:23 +0000)]
Add a completely hack-ish tool to sort includes according to the coding
standards.
I am a terrible Python programmer. Patches more the welcome. Please tell
me how this should look if it should look differently. It's just a tiny
little script so it didn't make sense to go through pre-commit review,
especially as someone who actually knows python may want to just rip it
apart and do it The Right Way.
I will be preparing a commit shortly that uses this script to
canonicalize *all* of the #include lines in LLVM. Really, all of them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169125
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Chandler Carruth [Mon, 3 Dec 2012 10:59:55 +0000 (10:59 +0000)]
Remove some buggy and apparantly unnecessary code from SROA.
The partitioning logic attempted to handle uses of an alloca with an
offset starting before the alloca so long as the use had some overlap
with the alloca itself. However, there was a bug where we tested
'(uint64_t)Offset >= AllocSize' without first checking whether 'Offset'
was positive. As a consequence, essentially every negative offset (that
is, starting *before* the alloca does) would be thrown out, even if it
was overlapping. The subsequent code to throw out negative offsets which
were actually non-overlapping was essentially dead. The code to *handle*
overlapping negative offsets was actually dead!
I've just removed all of this, and taught SROA to discard any uses which
start prior to the alloca from the beginning. It has the lovely property
of simplifying the code. =] All the tests still pass, and in fact no new
tests are needed as this is already covered by our testsuite. Fixing the
code so that negative offsets work the way the comments indicate they
were supposed to work causes regressions. That's how I found this.
Anyways, this is all progress in the correct direction -- tightening up
SROA to be maximally aggressive. Some day, I really hope to turn
out-of-bounds accesses to an alloca into 'unreachable'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169120
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Nuno Lopes [Mon, 3 Dec 2012 10:15:03 +0000 (10:15 +0000)]
fix stats for added checks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169119
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Jyotsna Verma [Mon, 3 Dec 2012 06:54:50 +0000 (06:54 +0000)]
Define signed const-ext predicates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169117
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Bill Wendling [Mon, 3 Dec 2012 06:34:06 +0000 (06:34 +0000)]
Remove 'deplibs' keyword, since it's no longer used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169116
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Eli Bendersky [Mon, 3 Dec 2012 04:10:58 +0000 (04:10 +0000)]
Clean up, bring up-to-date and apply consistent formatting.
This document is a long-time pet peeve :-) More fixes to come.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169115
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Nadav Rotem [Sun, 2 Dec 2012 17:14:09 +0000 (17:14 +0000)]
Allow merging multiple store sequences on the same chain.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169111
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Benjamin Kramer [Sun, 2 Dec 2012 16:40:38 +0000 (16:40 +0000)]
Bring vim keyword lists up to date.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169110
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Eli Bendersky [Sun, 2 Dec 2012 16:02:41 +0000 (16:02 +0000)]
Fix a bug in FileCheck that wouldn't let define variables as follows:
; CHECK: [[VAR:[a-z]]]
The problem was that to find the end of the regex var definition, it was
simplistically looking for the next ]] and finding the incorrect one. A
better approach is to count nesting of brackets (taking escaping into
account). This way the brackets that are part of the regex can be discovered
and skipped properly, and the ]] ending is detected in the right place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169109
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Eli Bendersky [Sun, 2 Dec 2012 15:46:02 +0000 (15:46 +0000)]
Fix an invalid regex in the test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169108
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Chandler Carruth [Sun, 2 Dec 2012 11:53:27 +0000 (11:53 +0000)]
Simplify the coding standards for #include ordering. The ordering is now
trivially achievable with an editor. I'll likely check in a silly python
script to help with this too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169107
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Justin Holewinski [Sun, 2 Dec 2012 02:47:48 +0000 (02:47 +0000)]
Unbreak Sphinx build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169106
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Eli Bendersky [Sat, 1 Dec 2012 22:21:04 +0000 (22:21 +0000)]
Another fix attempt to Makefile.sphinx - copy the PNGs from tutorial/ as well,
and recursive copying is not required for the tutorial/ directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169105
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Eli Bendersky [Sat, 1 Dec 2012 22:11:59 +0000 (22:11 +0000)]
Attempt to fix Makefile.sphinx to not generate errors while trying to copy
files from tutorial/.svn
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169104
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Eli Bendersky [Sat, 1 Dec 2012 22:03:57 +0000 (22:03 +0000)]
Update FileCheck's documentation to mention recently added feature of
matching a variable defined on the same line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169103
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Gregory Szorc [Sat, 1 Dec 2012 21:57:30 +0000 (21:57 +0000)]
[python] Add markup option to disassembler
Patch contributed by Wladimir J. van der Laan <laanwj@gmail.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169102
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