Eli Friedman
2adc5b6a17
PR9420; an instruction before an unreachable is guaranteed not to have any
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reachable uses, but there still might be uses in dead blocks. Use the
standard solution of replacing all the uses with undef. This is
a rare case because it's very sensitive to phase ordering in SimplifyCFG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127299 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-09 00:48:33 +00:00
Eric Christopher
e11128dd9d
Fix testcase.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127298 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-09 00:41:41 +00:00
Bill Wendling
620d0cc7ac
* Correct encoding for VSRI.
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* Add tests for VSRI and VSLI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127297 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-09 00:33:17 +00:00
Bill Wendling
c04a9dea78
Correct the encoding for VRSRA and VSRA instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127294 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-09 00:00:35 +00:00
Bill Wendling
7c6b608a7c
* 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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127293 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 23:48:09 +00:00
Stuart Hastings
19ba42eda2
Reverting testcase at 4126896; r126672 broke something else. <rdar://problem/9055247>
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127278 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 21:54:17 +00:00
Bill Wendling
93f017648d
Once again try to appease the buildbot gods.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127272 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 21:36:29 +00:00
Benjamin Kramer
e5ef311ee3
Strip cruft.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127269 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 20:19:10 +00:00
Eric Christopher
2b24e7f3df
Add a testcase for r127263.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127266 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 19:49:15 +00:00
Bill Wendling
230b08322d
Try to fix the compilation error due to type incombatibility.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127265 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 19:39:35 +00:00
Benjamin Kramer
c175a4bd7e
X86: Fix the (saddo/ssub x, 1) -> incl/decl selection to check the right operand for 1.
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Found by inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127247 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 15:20:20 +00:00
Justin Holewinski
c6f24f4086
PTX: Add intrinsic support for ntid, ctaid, and nctaid registers
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127246 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 14:10:18 +00:00
Duncan Sands
606199fb85
Fix PR9331. Simplified version of a patch by Jakub Staszak.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127243 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 12:39:03 +00:00
NAKAMURA Takumi
027248567b
Reapply r127073(partially): Introduce $(ECHOPATH) to print DOSish path string on MSYS bash for alternative of $(ECHO).
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On mingw and python/w32, lit would not be expected to understand MSYS-style path.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127239 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 12:25:10 +00:00
Bill Wendling
caa5a5dedb
Testcase for r127187.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127236 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 10:27:58 +00:00
Devang Patel
290342a157
While sinking an instruction, do not lose llvm.dbg.value intrinsic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127214 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 03:06:19 +00:00
Bill Wendling
591432136c
A few more tests for instruction encodings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127209 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 02:51:48 +00:00
Eric Christopher
7c2cdb1c05
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127208 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 02:42:25 +00:00
Bob Wilson
79f56c9618
Fix a compiler crash where a Glue value had multiple uses. Radar 9049552.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127198 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08 01:17:20 +00:00
Bill Wendling
3116dce338
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127193 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 23:38:41 +00:00
Devang Patel
cd77a50e63
Preserve line no. info.
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Radar 9097659
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127182 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 22:43:45 +00:00
Rafael Espindola
e390b3245f
Add test for r127138.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127172 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 21:28:14 +00:00
Nick Lewycky
bf433e5f46
Tweak this test. We can analyze what happens and show that we still do the
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right thing, instead of merely being unable to analyze and the transform
doesn't occur.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127149 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 02:10:18 +00:00
Nick Lewycky
c14bc77315
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 !
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127146 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 01:50:10 +00:00
Nick Lewycky
d01f50f42c
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!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127116 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-06 03:36:19 +00:00
Jakob Stoklund Olesen
7cefa640de
Revert r127073: "Introduce $(ECHOPATH) to print DOSish path string on MSYS bash for alternative of $(ECHO)."
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It broke the llvm-gcc-native-mingw32 buildbot, and we need all of them to be green for the 2.9 branch.
Takumi, please reapply after we branch, preferably with a fix ;-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127107 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:55:06 +00:00
Che-Liang Chiou
0df2c50c2b
ptx: add basic intrinsic support
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127084 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 14:17:37 +00:00
NAKAMURA Takumi
0c3ed6b046
Introduce $(ECHOPATH) to print DOSish path string on MSYS bash for alternative of $(ECHO).
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On mingw and python/w32, lit would not be expected to understand MSYS-style path.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127073 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 09:46:45 +00:00
Nick Lewycky
58bfcdbcf6
Thread comparisons over udiv/sdiv/ashr/lshr exact and lshr nuw/nsw whenever
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possible. This goes into instcombine and instsimplify because instsimplify
doesn't need to check hasOneUse since it returns (almost exclusively) constants.
This fixes PR9343 #4 #5 and #8 !
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127064 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 05:19:11 +00:00
Nick Lewycky
9feda1730c
Try once again to optimize "icmp (srem X, Y), Y" by turning the comparison into
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true/false or "icmp slt/sge Y, 0".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127063 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 04:28:48 +00:00
NAKAMURA Takumi
89be0acecf
test/CodeGen/X86/vec_cast.ll: [PR8311] Add explicit -mtriple=x86_64-linux and -mtriple=x86_64-win32. Thanks to Nadav, it might be fixed in r126424.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127060 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 02:38:02 +00:00
Bruno Cardoso Lopes
38b5e86b9c
Improve div/rem node handling on mips. Patch by Akira Hatanaka
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127034 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 21:03:24 +00:00
Bruno Cardoso Lopes
650af5d0f8
Add testcase for r127032
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127033 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 20:48:39 +00:00
Dan Gohman
a7a841adb8
When decling to reuse existing expressions that involve casts, ignore
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bitcasts, which are really no-ops here. This fixes slowdowns on
MultiSource/Applications/aha and others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127031 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 20:46:46 +00:00
Joerg Sonnenberger
89e0f386f3
Be nice to Xcore and the XMOS assembler and avoid quoting section names
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that contain only letters, digits and the characters "_" and ".".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127028 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 20:03:14 +00:00
Bruno Cardoso Lopes
ca8a2aa921
Lowers block address. Currently asserts when relocation model is not PIC. Patch by Akira Hatanaka
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127027 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 20:01:52 +00:00
Devang Patel
c8888c7d80
XFAIL for all. These tests are darwin specific anyway.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127022 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 19:38:10 +00:00
Nick Lewycky
e2ee753bc4
Revert broken srem logic from r126991.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127021 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 19:26:08 +00:00
Devang Patel
53dc40a45f
Disable ARMGlobalMerge on darwin. The debugger is not yet able to extract individual variable's info from merged global.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127019 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 19:11:05 +00:00
Kalle Raiskila
31cbac1cfe
Allow vector shifts (shl,lshr,ashr) on SPU.
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There was a previous implementation with patterns that would
have matched e.g.
shl <v4i32> <i32>,
but this is not valid LLVM IR so they never were selected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126998 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 13:19:18 +00:00
Kalle Raiskila
7f5de8b4c6
Allow load from constant on SPU.
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A 'load <4 x i32>* null' crashes llc before this fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126995 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 12:00:11 +00:00
Nick Lewycky
786792784e
Fold "icmp pred (srem X, Y), Y" like we do for urem. Handle signed comparisons
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in the urem case, though not the other way around. This is enough to get #3 from
PR9343!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126991 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 10:06:52 +00:00
Nick Lewycky
3a73e343d0
Teach instruction simplify to use constant ranges to solve problems of the form
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"icmp pred %X, CI" and a number of examples where "%X = binop %Y, CI2".
Some of these cases (div and rem) used to make it through opt -O2, but the
others are probably now making code elsewhere redundant (probably instcombine).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126988 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 07:00:57 +00:00
Eli Friedman
86d822df6d
Followup to r126970: add 64-bit encoding tests for str with reg operand.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126987 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 04:06:47 +00:00
Eli Friedman
ac39bd534b
PR9377: Handle x86 str with register operand in a way consistent with gas.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126970 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04 00:10:17 +00:00
Eli Friedman
81c5ef8649
Revert r123908; the code in question is completely untested and wrong.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126964 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03 22:33:23 +00:00
Joerg Sonnenberger
ea83b13350
Bug#9033: For the ELF assembler output, always quote the section name.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126963 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03 22:31:08 +00:00
Richard Osborne
022708f221
Optimize fprintf -> iprintf if there are no floating point arguments
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and siprintf is available on the target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126940 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03 14:20:22 +00:00
Richard Osborne
419454ad37
Optimize sprintf -> siprintf if there are no floating point arguments
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and siprintf is available on the target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126937 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03 14:09:28 +00:00
Richard Osborne
3649824bec
Optimize printf -> iprintf if there are no floating point arguments
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and iprintf is available on the target. Currently iprintf is only
marked as being available on the XCore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126935 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03 13:17:51 +00:00