Nadav Rotem [Sun, 30 Oct 2011 13:24:22 +0000 (13:24 +0000)]
Fix pr11266.
On x86: (shl V, 1) -> add V,V
Hardware support for vector-shift is sparse and in many cases we scalarize the
result. Additionally, on sandybridge padd is faster than shl.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143311
91177308-0d34-0410-b5e6-
96231b3b80d8
Benjamin Kramer [Sun, 30 Oct 2011 08:39:55 +0000 (08:39 +0000)]
Silence compiler warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143308
91177308-0d34-0410-b5e6-
96231b3b80d8
Nadav Rotem [Sun, 30 Oct 2011 08:07:50 +0000 (08:07 +0000)]
Stabilize the test by specifying an exact cpu target
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143307
91177308-0d34-0410-b5e6-
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Roman Divacky [Sun, 30 Oct 2011 07:49:04 +0000 (07:49 +0000)]
Update on PPC32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143306
91177308-0d34-0410-b5e6-
96231b3b80d8
Bill Wendling [Sat, 29 Oct 2011 23:49:52 +0000 (23:49 +0000)]
Do a relative path ln command instead of an absolute path one. Some people strangely enough have different directory layouts...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143302
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Sat, 29 Oct 2011 23:42:14 +0000 (23:42 +0000)]
CREDITS.TXT: Add a line. (test commit)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143300
91177308-0d34-0410-b5e6-
96231b3b80d8
Nadav Rotem [Sat, 29 Oct 2011 21:23:04 +0000 (21:23 +0000)]
Add a new DAGCombine optimization for BUILD_VECTOR.
If all of the inputs are zero/any_extended, create a new simple BV
which can be further optimized by other BV optimizations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143297
91177308-0d34-0410-b5e6-
96231b3b80d8
Benjamin Kramer [Sat, 29 Oct 2011 19:43:44 +0000 (19:43 +0000)]
Force SSE for this test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143291
91177308-0d34-0410-b5e6-
96231b3b80d8
Benjamin Kramer [Sat, 29 Oct 2011 19:43:38 +0000 (19:43 +0000)]
PPC: Disable moves for all CR subregisters.
Should fix assertion failures on ppc buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143290
91177308-0d34-0410-b5e6-
96231b3b80d8
Benjamin Kramer [Sat, 29 Oct 2011 19:43:31 +0000 (19:43 +0000)]
SimplifyLibCalls: Use IRBuilder.CreateGlobalString when creating a string for printf->puts, which correctly sets the unnamed_addr bit on the resulting GlobalVariable.
Fixes PR11264.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143289
91177308-0d34-0410-b5e6-
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llvm [Sat, 29 Oct 2011 14:16:39 +0000 (14:16 +0000)]
Test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143277
91177308-0d34-0410-b5e6-
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Bill Wendling [Sat, 29 Oct 2011 01:11:15 +0000 (01:11 +0000)]
Revise ThreadSanitizer mention so that it lists the correct frontends.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143268
91177308-0d34-0410-b5e6-
96231b3b80d8
Bill Wendling [Sat, 29 Oct 2011 01:10:01 +0000 (01:10 +0000)]
Add Cling to the External Projects list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143267
91177308-0d34-0410-b5e6-
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Eli Friedman [Sat, 29 Oct 2011 00:56:07 +0000 (00:56 +0000)]
Revert r143214; it's breaking a bunch of stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143265
91177308-0d34-0410-b5e6-
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Dan Gohman [Sat, 29 Oct 2011 00:41:52 +0000 (00:41 +0000)]
Revert r143206, as there are still some failing tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143262
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Fri, 28 Oct 2011 23:11:03 +0000 (23:11 +0000)]
test/CodeGen/PowerPC/2008-10-17-AsmMatchingOperands.ll: [PR11218] Mark "REQUIRES: asserts" for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143247
91177308-0d34-0410-b5e6-
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Jim Grosbach [Fri, 28 Oct 2011 22:50:54 +0000 (22:50 +0000)]
ARM mode 'mov' to 'mvn' assembler alias.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143237
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Fri, 28 Oct 2011 22:36:30 +0000 (22:36 +0000)]
Add Thumb2 alias for "mov Rd, #imm" to "mvn Rd, #~imm".
When '~imm' is encodable as a t2_so_imm but plain 'imm' is not. For example,
mov r2, #-3
becomes
mvn r2, #2
rdar://
10349224
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143235
91177308-0d34-0410-b5e6-
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Jim Grosbach [Fri, 28 Oct 2011 22:32:53 +0000 (22:32 +0000)]
Allow InstAlias's to use immediate matcher patterns that xform the value.
For example,
On ARM, "mov r3, #-3" is an alias for "mvn r3, #2", so we want to use a
matcher pattern that handles the bitwise negation when mapping to t2MVNi.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143233
91177308-0d34-0410-b5e6-
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Owen Anderson [Fri, 28 Oct 2011 21:45:09 +0000 (21:45 +0000)]
Fix illegal disassembly testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143231
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Fri, 28 Oct 2011 20:52:20 +0000 (20:52 +0000)]
Clarify example snippets a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143224
91177308-0d34-0410-b5e6-
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Owen Anderson [Fri, 28 Oct 2011 20:43:24 +0000 (20:43 +0000)]
Specify that the high bit of the alignment field is fixed to 0 on these instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143220
91177308-0d34-0410-b5e6-
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Akira Hatanaka [Fri, 28 Oct 2011 19:55:48 +0000 (19:55 +0000)]
Make changes necessary in LowerFormalArguments to support Mips64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143218
91177308-0d34-0410-b5e6-
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Akira Hatanaka [Fri, 28 Oct 2011 19:49:00 +0000 (19:49 +0000)]
Make changes necessary in LowerCall to support Mips64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143217
91177308-0d34-0410-b5e6-
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Duncan Sands [Fri, 28 Oct 2011 19:01:20 +0000 (19:01 +0000)]
The expression icmp eq (select (icmp eq x, 0), 1, x), 0 folds to false.
Spotted by my super-optimizer in 186.crafty and 450.soplex. We really
need a proper infrastructure for handling generalizations of this kind
of thing (which occur a lot), however this case is so simple that I decided
to go ahead and implement it directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143214
91177308-0d34-0410-b5e6-
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Akira Hatanaka [Fri, 28 Oct 2011 18:47:24 +0000 (18:47 +0000)]
Add variable IsO32 to MipsTargetLowering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143213
91177308-0d34-0410-b5e6-
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Duncan Sands [Fri, 28 Oct 2011 18:30:05 +0000 (18:30 +0000)]
A shift of a power of two is a power of two or zero.
For completeness - not spotted in the wild.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143211
91177308-0d34-0410-b5e6-
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Duncan Sands [Fri, 28 Oct 2011 18:17:44 +0000 (18:17 +0000)]
Fold icmp ugt (udiv X, Y), X to false. Spotted by my super-optimizer
in 186.crafty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143209
91177308-0d34-0410-b5e6-
96231b3b80d8
Owen Anderson [Fri, 28 Oct 2011 18:02:13 +0000 (18:02 +0000)]
Reapply r143202, with a manual decoding hook for SWP. This change inadvertantly exposed a decoding ambiguity between SWP and CPS that the auto-generated decoder can't handle.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143208
91177308-0d34-0410-b5e6-
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Dan Gohman [Fri, 28 Oct 2011 17:55:38 +0000 (17:55 +0000)]
Reapply r143177 and r143179 (reverting r143188), with scheduler
fixes: Use a separate register, instead of SP, as the
calling-convention resource, to avoid spurious conflicts with
actual uses of SP. Also, fix unscheduling of calling sequences,
which can be triggered by pseudo-two-address dependencies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143206
91177308-0d34-0410-b5e6-
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Owen Anderson [Fri, 28 Oct 2011 17:38:30 +0000 (17:38 +0000)]
Revert r143202.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143203
91177308-0d34-0410-b5e6-
96231b3b80d8
Owen Anderson [Fri, 28 Oct 2011 17:29:39 +0000 (17:29 +0000)]
Specify fixed bits on CPS instructions to enable roundtripping.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143202
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Fri, 28 Oct 2011 16:57:07 +0000 (16:57 +0000)]
Thumb2 ADD/SUB instructions encoding selection outside IT block.
Outside an IT block, "add r3, #2" should select a 32-bit wide encoding
rather than generating an error indicating the 16-bit encoding is only
legal in an IT block (outside, the 'S' suffic is required for the 16-bit
encoding).
rdar://
10348481
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143201
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Fri, 28 Oct 2011 16:43:40 +0000 (16:43 +0000)]
Allow register classes to match a containing class in InstAliases.
If the register class in the source alias is a subclass of the register class
of the actual instruction, the alias can still match OK since the constraints
are strictly a subset of what the instruction can actually handle.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143200
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Fri, 28 Oct 2011 14:12:30 +0000 (14:12 +0000)]
test/MC/AsmParser/2011-09-06-NoNewline.s: Add explicit -mtriple=i386. It uses X86 instruction.
FIXME: Would it be reproduced without target-specific operands?
FIXME: Why run llvm-mc as the same input by 3 times?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143195
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Fri, 28 Oct 2011 14:12:22 +0000 (14:12 +0000)]
Dwarf: [PR11022] Fix emitting DW_AT_const_value(>i64), to be host-endian-neutral.
Don't assume APInt::getRawData() would hold target-aware endianness nor host-compliant endianness. rawdata[0] holds most lower i64, even on big endian host.
FIXME: Add a testcase for big endian target.
FIXME: Ditto on CompileUnit::addConstantFPValue() ?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143194
91177308-0d34-0410-b5e6-
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Stepan Dyatkovskiy [Fri, 28 Oct 2011 13:07:32 +0000 (13:07 +0000)]
uint64 formatted output: replaced %llx with PRIx64 macro.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143191
91177308-0d34-0410-b5e6-
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Benjamin Kramer [Fri, 28 Oct 2011 11:14:31 +0000 (11:14 +0000)]
Use BranchProbability compare operators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143190
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Fri, 28 Oct 2011 10:50:52 +0000 (10:50 +0000)]
test/CodeGen/X86/2010-08-10-DbgConstant.ll: Add explicit -mtriple=i686-linux. It must be for elf!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143189
91177308-0d34-0410-b5e6-
96231b3b80d8
Duncan Sands [Fri, 28 Oct 2011 09:55:57 +0000 (09:55 +0000)]
Speculatively disable Dan's commits 143177 and 143179 to see if
it fixes the dragonegg self-host (it looks like gcc is miscompiled).
Original commit messages:
Eliminate LegalizeOps' LegalizedNodes map and have it just call RAUW
on every node as it legalizes them. This makes it easier to use
hasOneUse() heuristics, since unneeded nodes can be removed from the
DAG earlier.
Make LegalizeOps visit the DAG in an operands-last order. It previously
used operands-first, because LegalizeTypes has to go operands-first, and
LegalizeTypes used to be part of LegalizeOps, but they're now split.
The operands-last order is more natural for several legalization tasks.
For example, it allows lowering code for nodes with floating-point or
vector constants to see those constants directly instead of seeing the
lowered form (often constant-pool loads). This makes some things
somewhat more complicated today, though it ought to allow things to be
simpler in the future. It also fixes some bugs exposed by Legalizing
using RAUW aggressively.
Remove the part of LegalizeOps that attempted to patch up invalid chain
operands on libcalls generated by LegalizeTypes, since it doesn't work
with the new LegalizeOps traversal order. Instead, define what
LegalizeTypes is doing to be correct, and transfer the responsibility
of keeping calls from having overlapping calling sequences into the
scheduler.
Teach the scheduler to model callseq_begin/end pairs as having a
physical register definition/use to prevent calls from having
overlapping calling sequences. This is also somewhat complicated, though
there are ways it might be simplified in the future.
This addresses rdar://
9816668, rdar://
10043614, rdar://
8434668, and others.
Please direct high-level questions about this patch to management.
Delete #if 0 code accidentally left in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143188
91177308-0d34-0410-b5e6-
96231b3b80d8
Nick Lewycky [Fri, 28 Oct 2011 05:29:47 +0000 (05:29 +0000)]
Always use the string pool, even when it makes the .o larger. This may help
tools that read the debug info in the .o files by making the DIE sizes more
consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143186
91177308-0d34-0410-b5e6-
96231b3b80d8
Andrew Trick [Fri, 28 Oct 2011 03:45:11 +0000 (03:45 +0000)]
LFTR should avoid a type mismatch with null pointer IVs.
Fixes rdar://
10359193 Indvar LinearFunctionTestReplace assertion
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143183
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Fri, 28 Oct 2011 01:41:21 +0000 (01:41 +0000)]
Delete #if 0 code accidentally left in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143179
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Fri, 28 Oct 2011 01:29:32 +0000 (01:29 +0000)]
Eliminate LegalizeOps' LegalizedNodes map and have it just call RAUW
on every node as it legalizes them. This makes it easier to use
hasOneUse() heuristics, since unneeded nodes can be removed from the
DAG earlier.
Make LegalizeOps visit the DAG in an operands-last order. It previously
used operands-first, because LegalizeTypes has to go operands-first, and
LegalizeTypes used to be part of LegalizeOps, but they're now split.
The operands-last order is more natural for several legalization tasks.
For example, it allows lowering code for nodes with floating-point or
vector constants to see those constants directly instead of seeing the
lowered form (often constant-pool loads). This makes some things
somewhat more complicated today, though it ought to allow things to be
simpler in the future. It also fixes some bugs exposed by Legalizing
using RAUW aggressively.
Remove the part of LegalizeOps that attempted to patch up invalid chain
operands on libcalls generated by LegalizeTypes, since it doesn't work
with the new LegalizeOps traversal order. Instead, define what
LegalizeTypes is doing to be correct, and transfer the responsibility
of keeping calls from having overlapping calling sequences into the
scheduler.
Teach the scheduler to model callseq_begin/end pairs as having a
physical register definition/use to prevent calls from having
overlapping calling sequences. This is also somewhat complicated, though
there are ways it might be simplified in the future.
This addresses rdar://
9816668, rdar://
10043614, rdar://
8434668, and others.
Please direct high-level questions about this patch to management.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143177
91177308-0d34-0410-b5e6-
96231b3b80d8
Peter Collingbourne [Fri, 28 Oct 2011 01:02:16 +0000 (01:02 +0000)]
Have llvm-config --cppflags print correct flags when in CMake build directory
Previously, if invoked from a CMake build directory, 'llvm-config
--cppflags' and friends would only print a -I flag for the build
directory's header search path, because it would assume that it was
already installed, not recognising its parent directory as being the
build directory. Teach llvm-config about CMake build directories
so that it prints a -I for both the source and build directory's
search paths.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143171
91177308-0d34-0410-b5e6-
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Jim Grosbach [Fri, 28 Oct 2011 00:06:50 +0000 (00:06 +0000)]
ARM Allow 'q' registers in VLD/VST vector lists.
Just treat it as if the constituent D registers where specified.
rdar://
10348896
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143167
91177308-0d34-0410-b5e6-
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Dan Gohman [Thu, 27 Oct 2011 22:56:32 +0000 (22:56 +0000)]
Remove the Alpha backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143164
91177308-0d34-0410-b5e6-
96231b3b80d8
Owen Anderson [Thu, 27 Oct 2011 22:54:14 +0000 (22:54 +0000)]
Add testcase for r143162.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143163
91177308-0d34-0410-b5e6-
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Owen Anderson [Thu, 27 Oct 2011 22:53:10 +0000 (22:53 +0000)]
Add some NEON stores to the VLD decoding hook that were accidentally omitted previously.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143162
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Thu, 27 Oct 2011 22:39:16 +0000 (22:39 +0000)]
Also set addrmode6 alignment when align==size.
Previously, we were only setting the alignment bits on over-aligned
loads and stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143160
91177308-0d34-0410-b5e6-
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Eli Friedman [Thu, 27 Oct 2011 22:32:13 +0000 (22:32 +0000)]
The default alias analysis is -noaa; update the docs to reflect that. Patch by Michael Ilseman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143159
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Thu, 27 Oct 2011 22:25:42 +0000 (22:25 +0000)]
ARM isel for vld1, opcode selection for register stride post-index pseudos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143158
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Thu, 27 Oct 2011 21:59:17 +0000 (21:59 +0000)]
Delete dead code. Nothing ever instantiates this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143153
91177308-0d34-0410-b5e6-
96231b3b80d8
Owen Anderson [Thu, 27 Oct 2011 21:55:13 +0000 (21:55 +0000)]
Revert r143149, stubbing out symbolic disassembly support. The symbolic disassembly support is too MC-engrained to be useful in llvm-objdump.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143152
91177308-0d34-0410-b5e6-
96231b3b80d8
Owen Anderson [Thu, 27 Oct 2011 21:53:50 +0000 (21:53 +0000)]
If we're searching for a symbol reference to pretty-print a scattered relocation address, and we don't find a symbol table entry, try section begin addresses as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143151
91177308-0d34-0410-b5e6-
96231b3b80d8
Owen Anderson [Thu, 27 Oct 2011 21:46:31 +0000 (21:46 +0000)]
Stub out support for symbol disassembly in llvm-objdump.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143149
91177308-0d34-0410-b5e6-
96231b3b80d8
Daniel Dunbar [Thu, 27 Oct 2011 21:25:09 +0000 (21:25 +0000)]
projects/sample: Switch over to imported Makefile setup.
- This will require you to manually reconfigure the projects/sample project (by running projects/config/sample/config.status --recheck) if you haven't updated/built since the 1st part of this commit went in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143148
91177308-0d34-0410-b5e6-
96231b3b80d8
Evan Cheng [Thu, 27 Oct 2011 21:21:05 +0000 (21:21 +0000)]
Avoid partial CPSR dependency from loop backedges. rdar://
10357570
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143145
91177308-0d34-0410-b5e6-
96231b3b80d8
Daniel Dunbar [Thu, 27 Oct 2011 20:59:26 +0000 (20:59 +0000)]
tests: Rip out a bunch of now unused test code relating to use of llvm-gcc in LLVM tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143143
91177308-0d34-0410-b5e6-
96231b3b80d8
Daniel Dunbar [Thu, 27 Oct 2011 20:59:21 +0000 (20:59 +0000)]
tests: Remove llvm2cpp, I'm pretty sure no one uses this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143142
91177308-0d34-0410-b5e6-
96231b3b80d8
Daniel Dunbar [Thu, 27 Oct 2011 20:59:19 +0000 (20:59 +0000)]
lit: Drop some unneeded code from example tests.
- Also, cleanup site.exp files in example tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143141
91177308-0d34-0410-b5e6-
96231b3b80d8
Owen Anderson [Thu, 27 Oct 2011 20:46:09 +0000 (20:46 +0000)]
Fix pretty printing of i386 local sect diff relocations, TLV relocations, and x86_64 TLV relocations in MachO.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143140
91177308-0d34-0410-b5e6-
96231b3b80d8
Peter Collingbourne [Thu, 27 Oct 2011 19:19:14 +0000 (19:19 +0000)]
Add a pinned metadata name for fpaccuracy, and document it
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143135
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Peter Collingbourne [Thu, 27 Oct 2011 19:19:07 +0000 (19:19 +0000)]
Document tbaa metadata in LangRef (documentation largely based on
comments at top of TypeBasedAliasAnalysis.cpp).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143134
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Duncan Sands [Thu, 27 Oct 2011 19:16:21 +0000 (19:16 +0000)]
Reapply commit 143028 with a fix: the problem was casting a ConstantExpr Mul
using BinaryOperator (which only works for instructions) when it should have
been a cast to OverflowingBinaryOperator (which also works for constants).
While there, correct a few other dubious looking uses of BinaryOperator.
Thanks to Chad Rosier for the testcase. Original commit message:
My super-optimizer noticed that we weren't folding this expression to
true: (x *nsw x) sgt 0, where x = (y | 1). This occurs in 464.h264ref.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143125
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Stepan Dyatkovskiy [Thu, 27 Oct 2011 18:40:45 +0000 (18:40 +0000)]
Fixed llvm-objdump uint64_t formatted output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143120
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Benjamin Kramer [Thu, 27 Oct 2011 18:27:45 +0000 (18:27 +0000)]
2>&1 doesn't work here, it just creates an empty file called "&1"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143117
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Pete Cooper [Thu, 27 Oct 2011 18:15:58 +0000 (18:15 +0000)]
Changed test to check for correct load size instead of shift as the shift might change if optimised
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143116
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Jim Grosbach [Thu, 27 Oct 2011 17:44:01 +0000 (17:44 +0000)]
Trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143113
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Kevin Enderby [Thu, 27 Oct 2011 17:40:41 +0000 (17:40 +0000)]
Change the sysexit mnemonic (and sysexitl) to never have the REX.W prefix and
not depend on In32BitMode. Use the sysexitq mnemonic for the version with the
REX.W prefix and only allow it only In64BitMode. rdar://
9738584
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143112
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Jim Grosbach [Thu, 27 Oct 2011 17:33:59 +0000 (17:33 +0000)]
Thumb2 t2LDMDB[_UPD] assembly parsing to recognize .w suffix.
rdar://
10348844
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143110
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Owen Anderson [Thu, 27 Oct 2011 17:32:36 +0000 (17:32 +0000)]
Expose relocation accessors through the libObject C API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143109
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Jim Grosbach [Thu, 27 Oct 2011 17:16:55 +0000 (17:16 +0000)]
Thumb2 t2MVNi assembly parsing to recognize ".w" suffix.
rdar://
10348584
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143108
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Owen Anderson [Thu, 27 Oct 2011 17:15:47 +0000 (17:15 +0000)]
Add relocation iterators to the libObject C API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143107
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Benjamin Kramer [Thu, 27 Oct 2011 16:38:50 +0000 (16:38 +0000)]
BlockFrequency: Use a smarter overflow check.
This trades one 64 bit div for one 64 bit mul and some arithmetic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143106
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Bob Wilson [Thu, 27 Oct 2011 15:47:25 +0000 (15:47 +0000)]
Revert Duncan's r143028 expression folding which appears to be the culprit
behind a compile failure on 483.xalancbmk.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143102
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Benjamin Kramer [Thu, 27 Oct 2011 14:08:01 +0000 (14:08 +0000)]
LLLexer: Factor hex char parsing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143101
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Nick Lewycky [Thu, 27 Oct 2011 06:44:11 +0000 (06:44 +0000)]
Teach our Dwarf emission to use the string pool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143097
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Eli Friedman [Thu, 27 Oct 2011 02:06:39 +0000 (02:06 +0000)]
Don't crash on 128-bit sdiv by constant. Found by inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143095
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Eli Friedman [Thu, 27 Oct 2011 01:33:51 +0000 (01:33 +0000)]
It is not safe to sink an alloca into a stacksave/stackrestore pair, so don't do that. <rdar://problem/
10352360>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143093
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Chad Rosier [Thu, 27 Oct 2011 00:21:16 +0000 (00:21 +0000)]
A branch predicated on a constant can just FastEmit an unconditional branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143086
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Lang Hames [Wed, 26 Oct 2011 23:50:43 +0000 (23:50 +0000)]
Rename NonScalarIntSafe to something more appropriate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143080
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Chad Rosier [Wed, 26 Oct 2011 23:34:37 +0000 (23:34 +0000)]
Add a TODO comment. FastISel works by parsing each basic block from the bottom
up. Thus, improving the support for compares is goodness because it increases
the number of terminator instructions we can handle. This creates many more
opportunities for target specific fast-isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143079
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Chad Rosier [Wed, 26 Oct 2011 23:25:44 +0000 (23:25 +0000)]
Factor a little more code into EmitCmp, which should have been done in the first
place. No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143078
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Chad Rosier [Wed, 26 Oct 2011 23:17:28 +0000 (23:17 +0000)]
Use EmitCmp in SelectBranch. No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143076
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Nick Lewycky [Wed, 26 Oct 2011 22:55:33 +0000 (22:55 +0000)]
Reflow lines, fix comments for doxygen style, fix whitespace. No functionality
change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143074
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Bill Wendling [Wed, 26 Oct 2011 22:55:18 +0000 (22:55 +0000)]
Add include-what-you-use to the External Projects list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143073
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Chad Rosier [Wed, 26 Oct 2011 22:47:55 +0000 (22:47 +0000)]
Factor out an EmitCmp function that can be used by both SelectCmp and
SelectBranch. No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143072
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Jim Grosbach [Wed, 26 Oct 2011 22:44:41 +0000 (22:44 +0000)]
Trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143071
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Jim Grosbach [Wed, 26 Oct 2011 22:22:01 +0000 (22:22 +0000)]
Thumb2 ldr pc-relative encoding fixes.
We were parsing label references to the i12 encoding, which isn't right.
They need to go to the pci variant instead.
More of rdar://
10348687
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143068
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Rafael Espindola [Wed, 26 Oct 2011 21:20:26 +0000 (21:20 +0000)]
Run test with -verify-machineinstrs.
Patch by Sanjoy Das.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143066
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Rafael Espindola [Wed, 26 Oct 2011 21:16:41 +0000 (21:16 +0000)]
Fixes an issue reported by -verify-machineinstrs.
Patch by Sanjoy Das.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143064
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Jim Grosbach [Wed, 26 Oct 2011 21:14:08 +0000 (21:14 +0000)]
ARM parse parenthesized expressions for label references.
Partial fix for rdar://
10348687.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143063
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Rafael Espindola [Wed, 26 Oct 2011 21:12:27 +0000 (21:12 +0000)]
This commit introduces two fake instructions MORESTACK_RET and
MORESTACK_RET_RESTORE_R10; which are lowered to a RET and a RET
followed by a MOV respectively. Having a fake instruction prevents
the verifier from seeing a MachineBasicBlock end with a
non-terminator (MOV). It also prevents the rather eccentric case of a
MachineBasicBlock ending with RET but having successors nevertheless.
Patch by Sanjoy Das.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143062
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Lang Hames [Wed, 26 Oct 2011 20:56:52 +0000 (20:56 +0000)]
Make sure short memsets on ARM lower to stores, even when optimizing for size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143055
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Duncan Sands [Wed, 26 Oct 2011 20:55:21 +0000 (20:55 +0000)]
The maximum power of 2 dividing a power of 2 is itself. This occurs
in 403.gcc and was spotted by my super-optimizer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143054
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Owen Anderson [Wed, 26 Oct 2011 20:42:54 +0000 (20:42 +0000)]
Add support for scattered relocations to the MachO relocatation pretty printer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143051
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Bill Wendling [Wed, 26 Oct 2011 18:46:16 +0000 (18:46 +0000)]
Some formatting changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143045
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Nick Lewycky [Wed, 26 Oct 2011 18:44:32 +0000 (18:44 +0000)]
On an ELF system, ".debug_str" is mergeable and contains null terminated strings
composed of one byte characters.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143044
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Bill Wendling [Wed, 26 Oct 2011 18:33:01 +0000 (18:33 +0000)]
Add the blurb about the new exception handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143042
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