06b72e338a
Delete dead code.
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llvm-svn: 127295
2011-03-09 00:07:39 +00:00
a7f303de71
Correct the encoding for VRSRA and VSRA instructions.
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llvm-svn: 127294
2011-03-09 00:00:35 +00:00
e313f16ad9
* Fix VRSHR and VSHR to have the correct encoding for the immediate.
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* Update the NEON shift instruction test to expect what 'as' produces.
llvm-svn: 127293
2011-03-08 23:48:09 +00:00
ea5ebfed15
Delete dead code after rematerializing.
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LiveRangeEdit::eliminateDeadDefs() will eventually be used by coalescing,
splitting, and spilling for dead code elimination. It can delete chains of dead
instructions as long as there are no dependency loops.
llvm-svn: 127287
2011-03-08 22:46:11 +00:00
fbb482b314
llvm.dbg.declare intrinsic does not use any llvm::Values. It's magic!
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llvm-svn: 127282
2011-03-08 22:12:11 +00:00
880e0b7760
Fix the build for MSVC 9 whose upper_bound() wants to compare elements in the sorted array.
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Patch by Olaf Krzikalla!
llvm-svn: 127264
2011-03-08 19:37:54 +00:00
7238cba180
Fix some latent bugs if the nodes are unschedulable. We'd gotten away
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with this before since none of the register tracking or nightly tests
had unschedulable nodes.
This should probably be refixed with a special default Node that just
returns some "don't touch me" values.
Fixes PR9427
llvm-svn: 127263
2011-03-08 19:35:47 +00:00
a28879b824
Revert "Make a comparator's argument `const'. This fixes the build for
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MSVC 9."
The "fix" was meaningless.
This reverts commit r127245.
llvm-svn: 127260
2011-03-08 19:26:21 +00:00
14be61aeee
Darwin 'as' silently ignores the '.ident' directive.
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llvm-svn: 127258
2011-03-08 19:17:19 +00:00
b8ca01fff5
Reduce vector reallocations.
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llvm-svn: 127254
2011-03-08 17:28:36 +00:00
679cfb54ec
X86: Fix the (saddo/ssub x, 1) -> incl/decl selection to check the right operand for 1.
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Found by inspection.
llvm-svn: 127247
2011-03-08 15:20:20 +00:00
42e9aaa4b1
PTX: Add intrinsic support for ntid, ctaid, and nctaid registers
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llvm-svn: 127246
2011-03-08 14:10:18 +00:00
6ec5983a0c
Make a comparator's argument `const'. This fixes the build for MSVC 9.
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llvm-svn: 127245
2011-03-08 13:52:07 +00:00
7dc3d47c34
Fix PR9331. Simplified version of a patch by Jakub Staszak.
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llvm-svn: 127243
2011-03-08 12:39:03 +00:00
5918457b5b
lib/Support/regcomp.c: Fix cygwin warning.
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llvm-svn: 127241
2011-03-08 12:25:29 +00:00
afc8098c9e
Reorder comments to put them the right way around.
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llvm-svn: 127220
2011-03-08 06:29:47 +00:00
97d0be8ee1
While sinking an instruction, do not lose llvm.dbg.value intrinsic.
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llvm-svn: 127214
2011-03-08 03:06:19 +00:00
eb19e9e9fc
Turn on list-ilp scheduling by default on x86 and x86-64, fix up
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testcases accordingly. Some are currently xfailed and will be filed
as bugs to be fixed or understood.
Performance results:
roughly neutral on SPEC
some micro benchmarks in the llvm suite are up between 100 and 150%, only
a pair of regressions that are due to be investigated
john-the-ripper saw:
10% improvement in traditional DES
8% improvement in BSDI DES
59% improvement in FreeBSD MD5
67% improvement in OpenBSD Blowfish
14% improvement in LM DES
Small compile time impact.
llvm-svn: 127208
2011-03-08 02:42:25 +00:00
52b3e38a1f
Further improvements to pre-RA-sched=list-ilp.
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This change uses the MaxReorderWindow for both height and depth, which
tends to limit the negative effects of high register pressure.
llvm-svn: 127203
2011-03-08 01:51:56 +00:00
45acbd03db
Fix a compiler crash where a Glue value had multiple uses. Radar 9049552.
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llvm-svn: 127198
2011-03-08 01:17:20 +00:00
70bd363517
Fix comment typos.
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llvm-svn: 127197
2011-03-08 01:17:16 +00:00
77ad1dc56d
Rename the narrow shift right immediate operands to "shr_imm*" operands. Also
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expand the testing of the narrowing shift right instructions.
No functionality change.
llvm-svn: 127193
2011-03-07 23:38:41 +00:00
71c380f6c7
Let shrinkToUses optionally return a list of now dead machine instructions.
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llvm-svn: 127192
2011-03-07 23:29:10 +00:00
d00c628f8f
Preserve line no. info.
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Radar 9097659
2011-03-07 22:43:45 +00:00
27f942fa60
Make the UselessRegs argument optional in the LiveRangeEdit constructor.
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llvm-svn: 127181
2011-03-07 22:42:16 +00:00
df61694417
Move getRegPressureLimit() from TargetLoweringInfo to TargetRegisterInfo.
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llvm-svn: 127175
2011-03-07 21:56:36 +00:00
ac32d8a691
Handle the special case of registers begin redefined by early-clobber defs.
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In this case, the value need to be available at the load index instead of the
normal use index.
llvm-svn: 127167
2011-03-07 18:56:16 +00:00
cd526fa15e
Use the correct LHS type when determining the legalization of a shift's RHS type.
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llvm-svn: 127163
2011-03-07 18:29:47 +00:00
0cfa737f27
ptx: Fix calling convention printing in AsmWriter.cpp
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This allows LLVM IR using ptx_kernel or ptx_device calling
conventions to be properly printed when emitted in text form.
llvm-svn: 127157
2011-03-07 14:32:30 +00:00
e467979d0a
Add more analysis of the sign bit of an srem instruction. If the LHS is negative
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then the result could go either way. If it's provably positive then so is the
srem. Fixes PR9343 #7 !
llvm-svn: 127146
2011-03-07 01:50:10 +00:00
3e76b502a4
Windows/PathV2.inc: Eliminate redundant condition. DWORD is unsigned.
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llvm-svn: 127140
2011-03-07 00:12:53 +00:00
871cfde1c2
Don't internalize available_externally functions. We already did the right
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thing for variables.
llvm-svn: 127138
2011-03-06 23:41:34 +00:00
9cb33deebf
Typo.
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llvm-svn: 127131
2011-03-06 21:13:45 +00:00
92db8e8e39
ConstantInt has some getters which return ConstantInt's or ConstantVector's of
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the value splatted into every element. Extend this to getTrue and getFalse which
by providing new overloads that take Types that are either i1 or <N x i1>. Use
it in InstCombine to add vector support to some code, fixing PR8469!
llvm-svn: 127116
2011-03-06 03:36:19 +00:00
0d8150f279
lib/CodeGen/AsmPrinter/CMakeLists.txt: Fix CMake build, following up to r127099.
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llvm-svn: 127114
2011-03-06 00:13:15 +00:00
dd01732e63
Disable a couple of experimental heuristics to get the best results from the current implementation of -pre-RA-sched=list-ilp.
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llvm-svn: 127113
2011-03-06 00:03:32 +00:00
692f633df9
ARM assembler stuff is crazy: for .setfp positive values of offset corresponds to "add" instruction, not to "sub" as in .pad case
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llvm-svn: 127106
2011-03-05 18:44:00 +00:00
9e66cbb366
In Thumb1 mode the constant might be materialized via the load from constpool. Emit unwinding information in case when this load from constpool is used to change the stack pointer in the prologue.
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llvm-svn: 127105
2011-03-05 18:43:55 +00:00
a8d177b2d4
Implement frame unwinding information emission for Thumb1. Not finished yet because there is no way given the constpool index to examine the actual entry: the reason is clones inserted by constant island pass, which are not tracked at all! The only connection is done during asmprinting time via magic label names which is really gross and needs to be eventually fixed.
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llvm-svn: 127104
2011-03-05 18:43:50 +00:00
51537f1c7f
Add unwind information emission for thumb stuff
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llvm-svn: 127103
2011-03-05 18:43:43 +00:00
acca7adf16
Handle MI flags inside Thumb2SizeReduction pass.
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llvm-svn: 127102
2011-03-05 18:43:38 +00:00
e7410dd0d5
Preliminary support for ARM frame save directives emission via MI flags.
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This is just very first approximation how the stuff should be done
(e.g. ARM-only for now). More to follow.
llvm-svn: 127101
2011-03-05 18:43:32 +00:00
a7ec2dcefd
Some first rudimentary support for ARM EHABI: print exception table in "text mode".
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llvm-svn: 127099
2011-03-05 18:43:15 +00:00
65cff414b6
Add FrameSetup MI flags
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llvm-svn: 127098
2011-03-05 18:43:04 +00:00
27e0a4ab86
Work around a coalescer bug.
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The coalescer can in very rare cases leave too large live intervals around after
rematerializing cheap-as-a-move instructions.
Linear scan doesn't really care, but live range splitting gets very confused
when a live range is killed by a ghost instruction.
I will fix this properly in the coalescer after 2.9 branches.
llvm-svn: 127096
2011-03-05 18:33:49 +00:00
00d09428fe
Remove unused conditional negate operations.
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llvm-svn: 127090
2011-03-05 16:54:31 +00:00
08c913b6e6
InstCombine: We know the number of items initially added to the worklist map, reserve space early to avoid rehashing.
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llvm-svn: 127089
2011-03-05 16:43:46 +00:00
369ea3fdb4
ptx: add basic intrinsic support
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llvm-svn: 127084
2011-03-05 14:17:37 +00:00
25cedf3fe4
Be explicit with abs(). Visual Studio workaround.
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llvm-svn: 127075
2011-03-05 10:29:25 +00:00
d7f4c21684
Fix for -sched-high-latency-cycles in sched=list-ilp mode.
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llvm-svn: 127071
2011-03-05 09:18:16 +00:00
Jakob Stoklund Olesen