Chris Lattner [Fri, 27 Aug 2010 23:15:21 +0000 (23:15 +0000)]
tidy up test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112321
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Fri, 27 Aug 2010 23:05:54 +0000 (23:05 +0000)]
no really, fix the test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112317
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Fri, 27 Aug 2010 23:05:27 +0000 (23:05 +0000)]
fix this test. It's not clear what it's really testing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112316
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Fri, 27 Aug 2010 22:53:44 +0000 (22:53 +0000)]
Enhance the shift propagator to handle the case when you have:
A = shl x, 42
...
B = lshr ..., 38
which can be transformed into:
A = shl x, 4
...
iff we can prove that the would-be-shifted-in bits
are already zero. This eliminates two shifts in the testcase
and allows eliminate of the whole i128 chain in the real example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112314
91177308-0d34-0410-b5e6-
96231b3b80d8
Devang Patel [Fri, 27 Aug 2010 22:25:51 +0000 (22:25 +0000)]
Simplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112305
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Fri, 27 Aug 2010 22:24:38 +0000 (22:24 +0000)]
Implement a pretty general logical shift propagation
framework, which is good at ripping through bitfield
operations. This generalize a bunch of the existing
xforms that instcombine does, such as
(x << c) >> c -> and
to handle intermediate logical nodes. This is useful for
ripping up the "promote to large integer" code produced by
SRoA.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112304
91177308-0d34-0410-b5e6-
96231b3b80d8
Bob Wilson [Fri, 27 Aug 2010 21:56:59 +0000 (21:56 +0000)]
Fix a comment typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112302
91177308-0d34-0410-b5e6-
96231b3b80d8
Bob Wilson [Fri, 27 Aug 2010 21:44:35 +0000 (21:44 +0000)]
Unsigned value cannot be < 0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112300
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Fri, 27 Aug 2010 21:39:59 +0000 (21:39 +0000)]
When merging adjacent operands, scan ahead and merge all equal
adjacent operands at once, instead of just two at a time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112299
91177308-0d34-0410-b5e6-
96231b3b80d8
Eric Christopher [Fri, 27 Aug 2010 21:38:11 +0000 (21:38 +0000)]
Fix a couple of typos.
Patch by Cameron Esfahani!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112297
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Fri, 27 Aug 2010 21:04:34 +0000 (21:04 +0000)]
remove some special shift cases that have been subsumed into the
more general simplify demanded bits logic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112291
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Fri, 27 Aug 2010 20:45:56 +0000 (20:45 +0000)]
Make the {A,+,B}<L> + {C,+,D}<L> --> Other + {A+C,+,B+D}<L>
transformation collect all the addrecs with the same loop
add combine them at once rather than starting everything over
at the first chance.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112290
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Fri, 27 Aug 2010 20:44:45 +0000 (20:44 +0000)]
merge and filecheckize test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112289
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Fri, 27 Aug 2010 20:42:10 +0000 (20:42 +0000)]
merge two tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112288
91177308-0d34-0410-b5e6-
96231b3b80d8
Bill Wendling [Fri, 27 Aug 2010 20:39:09 +0000 (20:39 +0000)]
Remove now unneeded command line flag that enables 'optimize compares.'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112287
91177308-0d34-0410-b5e6-
96231b3b80d8
Owen Anderson [Fri, 27 Aug 2010 20:32:56 +0000 (20:32 +0000)]
Fix typos in comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112286
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Fri, 27 Aug 2010 20:32:06 +0000 (20:32 +0000)]
teach the truncation optimization that an entire chain of
computation can be truncated if it is fed by a sext/zext that doesn't
have to be exactly equal to the truncation result type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112285
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Fri, 27 Aug 2010 18:55:03 +0000 (18:55 +0000)]
Switch ScalarEvolution's main Value*->SCEV* map from std::map
to DenseMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112281
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Fri, 27 Aug 2010 18:49:08 +0000 (18:49 +0000)]
get this test passing on linux builders.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112280
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Fri, 27 Aug 2010 18:31:05 +0000 (18:31 +0000)]
Add an instcombine to clean up a common pattern produced
by the SRoA "promote to large integer" code, eliminating
some type conversions like this:
%94 = zext i16 %93 to i32 ; <i32> [#uses=2]
%96 = lshr i32 %94, 8 ; <i32> [#uses=1]
%101 = trunc i32 %96 to i8 ; <i8> [#uses=1]
This also unblocks other xforms from happening, now clang is able to compile:
struct S { float A, B, C, D; };
float foo(struct S A) { return A.A + A.B+A.C+A.D; }
into:
_foo: ## @foo
## BB#0: ## %entry
pshufd $1, %xmm0, %xmm2
addss %xmm0, %xmm2
movdqa %xmm1, %xmm3
addss %xmm2, %xmm3
pshufd $1, %xmm1, %xmm0
addss %xmm3, %xmm0
ret
on x86-64, instead of:
_foo: ## @foo
## BB#0: ## %entry
movd %xmm0, %rax
shrq $32, %rax
movd %eax, %xmm2
addss %xmm0, %xmm2
movapd %xmm1, %xmm3
addss %xmm2, %xmm3
movd %xmm1, %rax
shrq $32, %rax
movd %eax, %xmm0
addss %xmm3, %xmm0
ret
This seems pretty close to optimal to me, at least without
using horizontal adds. This also triggers in lots of other
code, including SPEC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112278
91177308-0d34-0410-b5e6-
96231b3b80d8
Bob Wilson [Fri, 27 Aug 2010 17:13:24 +0000 (17:13 +0000)]
Add alignment arguments to all the NEON load/store intrinsics.
Update all the tests using those intrinsics and add support for
auto-upgrading bitcode files with the old versions of the intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112271
91177308-0d34-0410-b5e6-
96231b3b80d8
Owen Anderson [Fri, 27 Aug 2010 17:12:29 +0000 (17:12 +0000)]
Use LVI to eliminate conditional branches where we've tested a related condition previously. Update tests for this change.
This fixes PR5652.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112270
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Fri, 27 Aug 2010 15:26:01 +0000 (15:26 +0000)]
Optimize SCEVComplexityCompare. Use a 3-way return instead of a 2-way
return to avoid needing two calls to test for equivalence, and sort
addrecs by their degree before examining their operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112267
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Fri, 27 Aug 2010 15:16:40 +0000 (15:16 +0000)]
Clarify a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112266
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Fri, 27 Aug 2010 15:16:09 +0000 (15:16 +0000)]
Parse " (Hidden)" and cope with it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112265
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Fri, 27 Aug 2010 15:15:31 +0000 (15:15 +0000)]
Default to looking for clang++ in the PATH, rather than trying to
guess a path that will work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112264
91177308-0d34-0410-b5e6-
96231b3b80d8
Anton Korobeynikov [Fri, 27 Aug 2010 14:43:06 +0000 (14:43 +0000)]
Properly handle passing of FP stuff to varargs function on Win64:
value should be copied to the corresponding shadow reg as well.
Patch by Cameron Esfahani!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112262
91177308-0d34-0410-b5e6-
96231b3b80d8
Benjamin Kramer [Fri, 27 Aug 2010 10:40:51 +0000 (10:40 +0000)]
MCELF: Port EmitInstruction changes from MachO streamer. Patch by Roman Divacky.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112260
91177308-0d34-0410-b5e6-
96231b3b80d8
Benjamin Kramer [Fri, 27 Aug 2010 10:38:39 +0000 (10:38 +0000)]
MCELF: Always overwrite FixedValue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112259
91177308-0d34-0410-b5e6-
96231b3b80d8
Michael J. Spencer [Fri, 27 Aug 2010 02:49:45 +0000 (02:49 +0000)]
Fix the msvs 2010 build.
The Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.30319.01
implements parts of C++0x based on the draft standard. An old version of
the draft had a bug that makes std::pair<T1*, T2*>(something, 0) fail to
compile. This is because the template<class U, class V> pair(U&& x, V&& y)
constructor is selected, even though it later fails to implicitly convert
U and V to frist_type and second_type.
This has been fixed in n3090, but it seems that Microsoft is not going to
update msvc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112257
91177308-0d34-0410-b5e6-
96231b3b80d8
Daniel Dunbar [Fri, 27 Aug 2010 01:30:14 +0000 (01:30 +0000)]
X86: Fix an encoding issue with LOCK_ADD64mr, which could lead to very hard to find miscompiles with the integrated assembler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112250
91177308-0d34-0410-b5e6-
96231b3b80d8
Devang Patel [Thu, 26 Aug 2010 23:35:15 +0000 (23:35 +0000)]
Revert r112213. It is not needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112242
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Thu, 26 Aug 2010 23:32:16 +0000 (23:32 +0000)]
Simplify eliminateFrameIndex() interface back down now that PEI doesn't need
to try to re-use scavenged frame index reference registers. rdar://
8277890
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112241
91177308-0d34-0410-b5e6-
96231b3b80d8
Devang Patel [Thu, 26 Aug 2010 22:53:27 +0000 (22:53 +0000)]
If node is not available then use FuncInfo.ValueMap to emit debug info for byval parameter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112238
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Thu, 26 Aug 2010 22:42:12 +0000 (22:42 +0000)]
Remove the now obsolete frame index virtual re-use algorithm from PEI. Pre-RA
virtual base registers handle this function, and more. A bit more cleanup
to do on the interface to eliminateFrameIndex() after this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112237
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 22:23:39 +0000 (22:23 +0000)]
filecheckize
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112235
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 22:20:47 +0000 (22:20 +0000)]
rename test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112234
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 22:14:59 +0000 (22:14 +0000)]
optimize "integer extraction out of the middle of a vector" as produced
by SRoA. This is part of rdar://
7892780, but needs another xform to
expose this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112232
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Thu, 26 Aug 2010 21:56:30 +0000 (21:56 +0000)]
tidy up a bit. no functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112228
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 21:55:42 +0000 (21:55 +0000)]
optimize bitcast(trunc(bitcast(x))) where the result is a float and 'x'
is a vector to be a vector element extraction. This allows clang to
compile:
struct S { float A, B, C, D; };
float foo(struct S A) { return A.A + A.B+A.C+A.D; }
into:
_foo: ## @foo
## BB#0: ## %entry
movd %xmm0, %rax
shrq $32, %rax
movd %eax, %xmm2
addss %xmm0, %xmm2
movapd %xmm1, %xmm3
addss %xmm2, %xmm3
movd %xmm1, %rax
shrq $32, %rax
movd %eax, %xmm0
addss %xmm3, %xmm0
ret
instead of:
_foo: ## @foo
## BB#0: ## %entry
movd %xmm0, %rax
movd %eax, %xmm0
shrq $32, %rax
movd %eax, %xmm2
addss %xmm0, %xmm2
movd %xmm1, %rax
movd %eax, %xmm1
addss %xmm2, %xmm1
shrq $32, %rax
movd %eax, %xmm0
addss %xmm1, %xmm0
ret
... eliminating half of the horribleness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112227
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 21:51:41 +0000 (21:51 +0000)]
filecheckize
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112225
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 21:50:56 +0000 (21:50 +0000)]
rename test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112224
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 21:35:52 +0000 (21:35 +0000)]
add m_BitCast for matching a bitcast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112222
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Thu, 26 Aug 2010 21:29:54 +0000 (21:29 +0000)]
Turn off the scavenging based frame reg reuse briefly to measure whether it's
still having a significant effect. It shouldn't be now that the pre-RA
virtual base reg stuff is in. Assuming that's valididated by the nightly
testers, we can simplify a lot of the PEI frame index code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112220
91177308-0d34-0410-b5e6-
96231b3b80d8
Bruno Cardoso Lopes [Thu, 26 Aug 2010 20:53:12 +0000 (20:53 +0000)]
zap the now unused MVT::getIntVectorWithNumElements
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112218
91177308-0d34-0410-b5e6-
96231b3b80d8
Devang Patel [Thu, 26 Aug 2010 20:33:42 +0000 (20:33 +0000)]
Speculatively revert r112207.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112216
91177308-0d34-0410-b5e6-
96231b3b80d8
Devang Patel [Thu, 26 Aug 2010 20:32:32 +0000 (20:32 +0000)]
80 col.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112215
91177308-0d34-0410-b5e6-
96231b3b80d8
Devang Patel [Thu, 26 Aug 2010 20:06:46 +0000 (20:06 +0000)]
Update DanglingDebugInfo so that it can be used to track llvm.dbg.declare also.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112213
91177308-0d34-0410-b5e6-
96231b3b80d8
Bob Wilson [Thu, 26 Aug 2010 18:51:29 +0000 (18:51 +0000)]
Use pseudo instructions for VST3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112208
91177308-0d34-0410-b5e6-
96231b3b80d8
Devang Patel [Thu, 26 Aug 2010 18:36:14 +0000 (18:36 +0000)]
Donot forget to resolve dangling debug info in a case where virtual register, used for a value, is initialized after a dbg intrinsic is seen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112207
91177308-0d34-0410-b5e6-
96231b3b80d8
Bill Wendling [Thu, 26 Aug 2010 18:33:51 +0000 (18:33 +0000)]
Reapply r112176 without removing the other CMN patterns (that was unintentional).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112206
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Thu, 26 Aug 2010 18:12:22 +0000 (18:12 +0000)]
Experimental clang-based code-completion support for vim. This currently
depends on some clang patches which are not yet upstream.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112204
91177308-0d34-0410-b5e6-
96231b3b80d8
Benjamin Kramer [Thu, 26 Aug 2010 18:12:04 +0000 (18:12 +0000)]
MCELF: Fix a thinko of mine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112203
91177308-0d34-0410-b5e6-
96231b3b80d8
Bob Wilson [Thu, 26 Aug 2010 18:08:11 +0000 (18:08 +0000)]
Fix comment typos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112202
91177308-0d34-0410-b5e6-
96231b3b80d8
Devang Patel [Thu, 26 Aug 2010 17:47:45 +0000 (17:47 +0000)]
Fix prototypes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112200
91177308-0d34-0410-b5e6-
96231b3b80d8
Owen Anderson [Thu, 26 Aug 2010 17:40:24 +0000 (17:40 +0000)]
Make JumpThreading smart enough to properly thread StrSwitch when it's compiled with clang++.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112198
91177308-0d34-0410-b5e6-
96231b3b80d8
Benjamin Kramer [Thu, 26 Aug 2010 17:23:02 +0000 (17:23 +0000)]
MCELF: Compensate for the addend on i386. Patch by Roman Divacky, with some cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112197
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Thu, 26 Aug 2010 17:02:47 +0000 (17:02 +0000)]
Restrict the register to tGPR to make sure the str instruction will be
encodable as a 16-bit wide instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112195
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Thu, 26 Aug 2010 15:50:25 +0000 (15:50 +0000)]
Revert r112176; it broke test/CodeGen/Thumb2/thumb2-cmn.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112191
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Thu, 26 Aug 2010 15:41:53 +0000 (15:41 +0000)]
Reapply r112091 and r111922, support for metadata linking, with a
fix: add a flag to MapValue and friends which indicates whether
any module-level mappings are being made. In the common case of
inlining, no module-level mappings are needed, so MapValue doesn't
need to examine non-function-local metadata, which can be very
expensive in the case of a large module with really deep metadata
(e.g. a large C++ program compiled with -g).
This flag is a little awkward; perhaps eventually it can be moved
into the ClonedCodeInfo class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112190
91177308-0d34-0410-b5e6-
96231b3b80d8
Benjamin Kramer [Thu, 26 Aug 2010 15:25:35 +0000 (15:25 +0000)]
StringRef::compare_numeric also differed from StringRef::compare for characters > 127.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112189
91177308-0d34-0410-b5e6-
96231b3b80d8
Benjamin Kramer [Thu, 26 Aug 2010 14:21:08 +0000 (14:21 +0000)]
Do unsigned char comparisons in StringRef::compare_lower to be more consistent with compare in corner cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112185
91177308-0d34-0410-b5e6-
96231b3b80d8
Bill Wendling [Thu, 26 Aug 2010 09:07:33 +0000 (09:07 +0000)]
There seems to be a (potential) hardware bug with the CMN instruction and
comparison with 0. These two pieces of code should give identical results:
rsbs r1, r1, 0
cmp r0, r1
mov r0, #0
it ls
mov r0, #1
and:
cmn r0, r1
mov r0, #0
it ls
mov r0, #1
However, the CMN gives the *opposite* result when r1 is 0. This is because the
carry flag is set in the CMP case but not in the CMN case. In short, the CMP
instruction doesn't perform a truncate of the (logical) NOT of 0 plus the value
of r0 and the carry bit (because the "carry bit" parameter to AddWithCarry is
defined as 1 in this case, the carry flag will always be set when r0 >= 0). The
CMN instruction doesn't perform a NOT of 0 so there is never a "carry" when this
AddWithCarry is performed (because the "carry bit" parameter to AddWithCarry is
defined as 0).
The AddWithCarry in the CMP case seems to be relying upon the identity:
~x + 1 = -x
However when x is 0 and unsigned, this doesn't hold:
x = 0
~x = 0xFFFF FFFF
~x + 1 = 0x1 0000 0000
(-x = 0) != (0x1 0000 0000 = ~x + 1)
Therefore, we should disable *all* versions of CMN, especially when comparing
against zero, until we can limit when the CMN instruction is used (when we know
that the RHS is not 0) or when we have a hardware fix for this.
(See the ARM docs for the "AddWithCarry" pseudo-code.)
This is related to <rdar://problem/
7569620>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112176
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 06:57:07 +0000 (06:57 +0000)]
Add a hackaround for PR7993 which is causing failures on x86 builders that lack sse2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112175
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 05:52:42 +0000 (05:52 +0000)]
I think enough general codegen bugs are fixed to allow this to work
on random hosts, lets see!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112172
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 05:51:22 +0000 (05:51 +0000)]
implement SplitVecOp_CONCAT_VECTORS, fixing the included testcase with SSE1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112171
91177308-0d34-0410-b5e6-
96231b3b80d8
Bob Wilson [Thu, 26 Aug 2010 05:33:30 +0000 (05:33 +0000)]
Use pseudo instructions for VST1d64Q.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112170
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 05:25:05 +0000 (05:25 +0000)]
Make sure this forces the x86 targets
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112169
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 05:24:29 +0000 (05:24 +0000)]
fix sse1 only codegen in x86-64 mode, which is something we
apparently try to support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112168
91177308-0d34-0410-b5e6-
96231b3b80d8
Daniel Dunbar [Thu, 26 Aug 2010 03:48:11 +0000 (03:48 +0000)]
Revert r111922, "MapValue support for MDNodes. This is similar to r109117,
except ...", it is causing *massive* performance regressions when building Clang
with itself (-O3 -g).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112158
91177308-0d34-0410-b5e6-
96231b3b80d8
Daniel Dunbar [Thu, 26 Aug 2010 03:48:08 +0000 (03:48 +0000)]
Revert r112091, "Remap metadata attached to instructions when remapping
individual ...", which depends on r111922, which I am reverting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112157
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 02:57:35 +0000 (02:57 +0000)]
zap dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112155
91177308-0d34-0410-b5e6-
96231b3b80d8
Oscar Fuentes [Thu, 26 Aug 2010 02:29:53 +0000 (02:29 +0000)]
Updated CMake library dependencies. Removed unnecessary component name
from llvm-link/CMakeLists.txt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112153
91177308-0d34-0410-b5e6-
96231b3b80d8
John McCall [Thu, 26 Aug 2010 02:11:48 +0000 (02:11 +0000)]
SmallVector's growth policies don't like starting from zero capacity.
I think there are good reasons to change this, but in the interests
of short-term stability, make SmallVector<...,0> reserve non-zero
capacity in its constructors. This means that SmallVector<...,0>
uses more memory than SmallVector<...,1> and should really only be
used (unless/until this workaround is removed) by clients that
care about using SmallVector with an incomplete type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112147
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 01:14:37 +0000 (01:14 +0000)]
remove dead proto
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112131
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Thu, 26 Aug 2010 01:13:54 +0000 (01:13 +0000)]
zap dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112130
91177308-0d34-0410-b5e6-
96231b3b80d8
Bruno Cardoso Lopes [Thu, 26 Aug 2010 01:02:53 +0000 (01:02 +0000)]
Fix PR7748 without using microsoft extensions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112128
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Thu, 26 Aug 2010 00:58:06 +0000 (00:58 +0000)]
Enable pre-RA virtual frame base register allocation. rdar://
8277890
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112127
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Thu, 26 Aug 2010 00:22:55 +0000 (00:22 +0000)]
Rewrite ExtractGV, removing a bunch of stuff that didn't fully work,
and was over-complicated, and replacing it with a simple implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112120
91177308-0d34-0410-b5e6-
96231b3b80d8
Bob Wilson [Thu, 26 Aug 2010 00:13:36 +0000 (00:13 +0000)]
Revert svn 107892 (with changes to work with trunk). It caused a crash if
a VLD result was not used (Radar
8355607). It should also fix pr7988, but
I haven't verified that yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112118
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Wed, 25 Aug 2010 23:43:14 +0000 (23:43 +0000)]
temporarily disable this, which started failing on the llvm-i686-linux
builder. I will investigate tonight.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112113
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Wed, 25 Aug 2010 23:33:07 +0000 (23:33 +0000)]
Convert llvm-extract to use lazy loading. This makes it substantially
faster on large modules.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112110
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Wed, 25 Aug 2010 23:31:42 +0000 (23:31 +0000)]
we should pattern match the SSE complex arithmetic ops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112109
91177308-0d34-0410-b5e6-
96231b3b80d8
Bob Wilson [Wed, 25 Aug 2010 23:27:42 +0000 (23:27 +0000)]
Start converting NEON load/stores to use pseudo instructions, beginning here
with the VST4 instructions. Until after register allocation, we want to
represent sets of adjacent registers by a single super-register. These
VST4 pseudo instructions have a single QQ or QQQQ source register operand.
They get expanded to the real VST4 instructions with 4 separate D register
operands. Once this conversion is complete, we'll be able to remove the
NEONPreAllocPass and avoid some fragile and hacky code elsewhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112108
91177308-0d34-0410-b5e6-
96231b3b80d8
John McCall [Wed, 25 Aug 2010 23:11:24 +0000 (23:11 +0000)]
Provide an explicit specialization of SmallVector at N=0 which does
not require its type argument to be complete if no members are
actually used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112106
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Wed, 25 Aug 2010 23:05:45 +0000 (23:05 +0000)]
add a specialization for the MVT form of getTypeAction, since it is
trivial.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112105
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Wed, 25 Aug 2010 23:00:45 +0000 (23:00 +0000)]
remove some llvmcontext arguments that are now dead post-refactoring.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112104
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Wed, 25 Aug 2010 22:49:25 +0000 (22:49 +0000)]
Change handling of illegal vector types to widen when possible instead of
expanding: e.g. <2 x float> -> <4 x float> instead of -> 2 floats. This
affects two places in the code: handling cross block values and handling
function return and arguments. Since vectors are already widened by
legalizetypes, this gives us much better code and unblocks x86-64 abi
and SPU abi work.
For example, this (which is a silly example of a cross-block value):
define <4 x float> @test2(<4 x float> %A) nounwind {
%B = shufflevector <4 x float> %A, <4 x float> undef, <2 x i32> <i32 0, i32 1>
%C = fadd <2 x float> %B, %B
br label %BB
BB:
%D = fadd <2 x float> %C, %C
%E = shufflevector <2 x float> %D, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
ret <4 x float> %E
}
Now compiles into:
_test2: ## @test2
## BB#0:
addps %xmm0, %xmm0
addps %xmm0, %xmm0
ret
previously it compiled into:
_test2: ## @test2
## BB#0:
addps %xmm0, %xmm0
pshufd $1, %xmm0, %xmm1
## kill: XMM0<def> XMM0<kill> XMM0<def>
insertps $0, %xmm0, %xmm0
insertps $16, %xmm1, %xmm0
addps %xmm0, %xmm0
ret
This implements rdar://
8230384
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112101
91177308-0d34-0410-b5e6-
96231b3b80d8
Chris Lattner [Wed, 25 Aug 2010 22:45:53 +0000 (22:45 +0000)]
tidy up
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112099
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Wed, 25 Aug 2010 21:36:50 +0000 (21:36 +0000)]
Remap metadata attached to instructions when remapping individual
instructions, not when remapping modules.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112091
91177308-0d34-0410-b5e6-
96231b3b80d8
Bruno Cardoso Lopes [Wed, 25 Aug 2010 21:26:37 +0000 (21:26 +0000)]
Revert this for now, PUNPCKLDQ dont operate on v4f32
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112090
91177308-0d34-0410-b5e6-
96231b3b80d8
Daniel Dunbar [Wed, 25 Aug 2010 21:11:02 +0000 (21:11 +0000)]
X86: Fix misencode of RI64mi8. This fixes OpenSSL / x86_64-apple-darwin10 / clang -O3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112089
91177308-0d34-0410-b5e6-
96231b3b80d8
Devang Patel [Wed, 25 Aug 2010 20:41:24 +0000 (20:41 +0000)]
Fix comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112086
91177308-0d34-0410-b5e6-
96231b3b80d8
Devang Patel [Wed, 25 Aug 2010 20:39:26 +0000 (20:39 +0000)]
Remove dead argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112085
91177308-0d34-0410-b5e6-
96231b3b80d8
Jim Grosbach [Wed, 25 Aug 2010 20:34:28 +0000 (20:34 +0000)]
Add some statistics for PEI register scavenging
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112084
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Wed, 25 Aug 2010 20:23:38 +0000 (20:23 +0000)]
Add a FIXME comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112083
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Wed, 25 Aug 2010 20:22:53 +0000 (20:22 +0000)]
Fix the bitcode reader to clear out function-specific state
from MDValueList between each function, now that the bitcode
writer is reusing the index space for function-local metadata.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112082
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Wed, 25 Aug 2010 20:20:21 +0000 (20:20 +0000)]
Fix a bug found by inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112081
91177308-0d34-0410-b5e6-
96231b3b80d8
Dan Gohman [Wed, 25 Aug 2010 20:17:19 +0000 (20:17 +0000)]
Add a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112080
91177308-0d34-0410-b5e6-
96231b3b80d8
Benjamin Kramer [Wed, 25 Aug 2010 20:09:43 +0000 (20:09 +0000)]
MCELF: Use precomputed symbol indices, patch by Roman Divacky.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112079
91177308-0d34-0410-b5e6-
96231b3b80d8