Commit Graph

70525 Commits

Author SHA1 Message Date
Duncan Sands
dea3a5e202 Clarify that the result of an srem is only guaranteed to have the same sign as the
left-hand-side if the result is non-zero.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127156 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 09:12:24 +00:00
Bill Wendling
e7e9a60df6 Don't keep the log files around. Just pipe to a log file instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127155 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 07:37:37 +00:00
Bill Wendling
f16fe9ef55 Fix tagging name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127154 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 07:37:12 +00:00
Argyrios Kyrtzidis
a36be82664 Try fixing mingw build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127153 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 05:35:01 +00:00
Eric Christopher
9c9320426e Prepend LD.Flags before LDFLAGS to avoid overriding necessary paths.
Patch by Jack Howarth.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127152 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 04:25:12 +00:00
Nick Lewycky
bf433e5f46 Tweak this test. We can analyze what happens and show that we still do the
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
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
Argyrios Kyrtzidis
128ccbb8e5 Do a compiler check that we use one of the types from PointerUnion[N], instead of a runtime check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127145 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 01:30:20 +00:00
NAKAMURA Takumi
19b6c73878 Windows/PathV2.inc: Eliminate redundant condition. DWORD is unsigned.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127140 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07 00:12:53 +00:00
Rafael Espindola
1b5ec068f5 Don't internalize available_externally functions. We already did the right
thing for variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127138 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-06 23:41:34 +00:00
Chris Lattner
6ca55370d2 remove another jeff link
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127135 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-06 23:00:33 +00:00
Eric Christopher
b43034d700 Typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127131 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-06 21:13:45 +00:00
Nick Lewycky
d01f50f42c ConstantInt has some getters which return ConstantInt's or ConstantVector's of
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
NAKAMURA Takumi
511cab20cb lib/CodeGen/AsmPrinter/CMakeLists.txt: Fix CMake build, following up to r127099.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127114 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-06 00:13:15 +00:00
Andrew Trick
3c6e49504e Disable a couple of experimental heuristics to get the best results from the current implementation of -pre-RA-sched=list-ilp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127113 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-06 00:03:32 +00:00
Benjamin Kramer
88b0c6a59a Avoid zero-sized allocations when copying a fresh DenseMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127110 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 22:00:28 +00:00
Jakob Stoklund Olesen
7cefa640de Revert r127073: "Introduce $(ECHOPATH) to print DOSish path string on MSYS bash for alternative of $(ECHO)."
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
Anton Korobeynikov
e516379d2a ARM assembler stuff is crazy: for .setfp positive values of offset corresponds to "add" instruction, not to "sub" as in .pad case
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127106 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:44:00 +00:00
Anton Korobeynikov
b3fcc06d21 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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127105 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:43:55 +00:00
Anton Korobeynikov
3daccd82d3 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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127104 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:43:50 +00:00
Anton Korobeynikov
7a764168b9 Add unwind information emission for thumb stuff
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127103 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:43:43 +00:00
Anton Korobeynikov
7503fcb890 Handle MI flags inside Thumb2SizeReduction pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127102 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:43:38 +00:00
Anton Korobeynikov
57caad7a33 Preliminary support for ARM frame save directives emission via MI flags.
This is just very first approximation how the stuff should be done
(e.g. ARM-only for now). More to follow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127101 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:43:32 +00:00
Anton Korobeynikov
94c1b08033 Provide hooks to set MI flags in MachineInstrBuilder
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127100 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:43:20 +00:00
Anton Korobeynikov
b5e16af9ea Some first rudimentary support for ARM EHABI: print exception table in "text mode".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127099 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:43:15 +00:00
Anton Korobeynikov
6dd97471c4 Add FrameSetup MI flags
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127098 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:43:04 +00:00
Anton Korobeynikov
6647b59c92 Shorten AsmPrinterFlags filed to accomodate for future Flags field
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127097 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:42:54 +00:00
Jakob Stoklund Olesen
2b0f9e73d8 Work around a coalescer bug.
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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127096 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 18:33:49 +00:00
Bob Wilson
4faa0e1952 Remove unused conditional negate operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127090 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 16:54:31 +00:00
Benjamin Kramer
103391d639 InstCombine: We know the number of items initially added to the worklist map, reserve space early to avoid rehashing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127089 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 16:43:46 +00:00
Benjamin Kramer
49d443053b Lazily allocate DenseMaps.
This makes lookup slightly more expensive but it's worth it, unused
DenseMaps are common in LLVM code apparently.

1% speedup on clang -O3 bzip2.c
4% speedup on clang -O3 oggenc.c (Release build of clang on i386/linux)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127088 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 16:43:41 +00:00
Che-Liang Chiou
0df2c50c2b ptx: add basic intrinsic support
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
Andrew Trick
afc7d235e9 Be explicit with abs(). Visual Studio workaround.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127075 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 10:29:25 +00:00
NAKAMURA Takumi
9869c2f717 utils/lit/lit/TestRunner.py: bash is available with MSYS on Python/W32. Then we can execute "bash tests".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127074 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 09:46:53 +00:00
NAKAMURA Takumi
0c3ed6b046 Introduce $(ECHOPATH) to print DOSish path string on MSYS bash for alternative of $(ECHO).
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
NAKAMURA Takumi
2f017cb7f3 On Windows hosts, Python scripts in test/Scripts did not accept binary files from stdin. The environment variable "PYTHONUNBUFFERED" makes stdin as binary. Thanks to Danil Malyshev!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127072 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 09:46:36 +00:00
Andrew Trick
5e84e3ccaa Fix for -sched-high-latency-cycles in sched=list-ilp mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127071 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 09:18:16 +00:00
Andrew Trick
ece96f5713 Missing "virtual" keyword. Jakob's review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127070 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 08:39:45 +00:00
Cameron Zwarich
7c8d351d99 Fix PR9398 - 10% of llc compile time is spent in Value::getNumUses. This reduces
the percentage of time spent in CodeGenPrepare when llcing 403.gcc from 12.6% to
1.8% of total llc time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127069 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 08:12:26 +00:00
Andrew Trick
ab2e3e2d70 Missing comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127068 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 08:04:11 +00:00
Andrew Trick
e0ef509aeb Increased the register pressure limit on x86_64 from 8 to 12
regs. This is the only change in this checkin that may affects the
default scheduler. With better register tracking and heuristics, it
doesn't make sense to artificially lower the register limit so much.

Added -sched-high-latency-cycles and X86InstrInfo::isHighLatencyDef to
give the scheduler a way to account for div and sqrt on targets that
don't have an itinerary. It is currently defaults to 10 (the actual
number doesn't matter much), but only takes effect on non-default
schedulers: list-hybrid and list-ilp.

Added several heuristics that can be individually disabled for the
non-default sched=list-ilp mode. This helps us determine how much
better we can do on a given benchmark than the default
scheduler. Certain compute intensive loops run much faster in this
mode with the right set of heuristics, and it doesn't seem to have
much negative impact elsewhere. Not all of the heuristics are needed,
but we still need to experiment to decide which should be disabled by
default for sched=list-ilp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127067 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 08:00:22 +00:00
Chris Lattner
a4a1c3f0d9 remove jeff's name (by his request)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127066 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 07:23:02 +00:00
Andrew Trick
8d4a422513 whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127065 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 06:31:54 +00:00
Nick Lewycky
58bfcdbcf6 Thread comparisons over udiv/sdiv/ashr/lshr exact and lshr nuw/nsw whenever
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
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
Jakob Stoklund Olesen
874be74179 Rework the global split cost calculation.
The global cost is the sum of block frequencies for spill code that must be
inserted because preferences weren't met.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127062 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 03:28:51 +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.
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
Jin-Gu Kang
1c5730faca test commit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127059 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 02:36:09 +00:00
Jakob Stoklund Olesen
96dcd95a45 Compute the constraints for global live range splitting from an interference pattern.
This simplifies the code and makes it faster too.

The interference patterns are saved for each candidate register. It will be
reused for actually executing the split. Work in progress.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127054 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 01:10:31 +00:00
Jim Grosbach
27ea9999e8 Teach the register scavenger to take subregs into account when finding a free register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127049 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05 00:20:19 +00:00