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Author SHA1 Message Date
NAKAMURA Takumi
e2f4b8d70e lib/Support/regcomp.c: Fix cygwin warning. 
llvm-svn: 127241
 2011-03-08 12:25:29 +00:00
NAKAMURA Takumi
c989c9adfa Use $(ECHOPATH) to make llvm-lit from llvm-lit.in. 
llvm-svn: 127240
 2011-03-08 12:25:19 +00:00
NAKAMURA Takumi
16a2bf5caf Reapply r127073(partially): 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.

llvm-svn: 127239
 2011-03-08 12:25:10 +00:00
Bill Wendling
758fb90678 Testcase for r127187. 
llvm-svn: 127236
 2011-03-08 10:27:58 +00:00
Bill Wendling
db6712f416 Don't show commands. 
llvm-svn: 127224
 2011-03-08 08:34:49 +00:00
Nick Lewycky
dbc555b13b Reorder comments to put them the right way around. 
llvm-svn: 127220
 2011-03-08 06:29:47 +00:00
Devang Patel
c4e4244654 While sinking an instruction, do not lose llvm.dbg.value intrinsic. 
llvm-svn: 127214
 2011-03-08 03:06:19 +00:00
Bill Wendling
f93e7d6c17 Change the next release number to 3.0svn. 
llvm-svn: 127213
 2011-03-08 03:00:02 +00:00
Bill Wendling
0e4923ebe5 A few more tests for instruction encodings. 
llvm-svn: 127209
 2011-03-08 02:51:48 +00:00
Eric Christopher
72d7cc25f3 Turn on list-ilp scheduling by default on x86 and x86-64, fix up 
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
Andrew Trick
fd853e8757 Further improvements to pre-RA-sched=list-ilp. 
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
Bob Wilson
f8c4d1ded9 Fix a compiler crash where a Glue value had multiple uses. Radar 9049552. 
llvm-svn: 127198
 2011-03-08 01:17:20 +00:00
Bob Wilson
94403e6221 Fix comment typos. 
llvm-svn: 127197
 2011-03-08 01:17:16 +00:00
Bill Wendling
958e854f40 Rename the narrow shift right immediate operands to "shr_imm*" operands. Also 
expand the testing of the narrowing shift right instructions.

No functionality change.

llvm-svn: 127193
 2011-03-07 23:38:41 +00:00
Jakob Stoklund Olesen
f9401745e0 Let shrinkToUses optionally return a list of now dead machine instructions. 
llvm-svn: 127192
 2011-03-07 23:29:10 +00:00
Eric Christopher
e3080a1de4 Typos. 
llvm-svn: 127186
 2011-03-07 22:48:16 +00:00
Devang Patel
2649e83214 Preserve line no. info. 
Radar 9097659

llvm-svn: 127182
 2011-03-07 22:43:45 +00:00
Jakob Stoklund Olesen
158af1f7e9 Make the UselessRegs argument optional in the LiveRangeEdit constructor. 
llvm-svn: 127181
 2011-03-07 22:42:16 +00:00
Cameron Zwarich
a1920d7f51 Move getRegPressureLimit() from TargetLoweringInfo to TargetRegisterInfo. 
llvm-svn: 127175
 2011-03-07 21:56:36 +00:00
Rafael Espindola
864a710c16 Add test for r127138. 
llvm-svn: 127172
 2011-03-07 21:28:14 +00:00
Duncan Sands
323db6bb99 Often GCC can see that NumBuckets is zero here, resulting in a warning 
about possibly swapped memset parameters.  Avoid the warning.

llvm-svn: 127170
 2011-03-07 19:38:38 +00:00
Jim Grosbach
cbd2f07c7e Tidy up. 
llvm-svn: 127169
 2011-03-07 19:28:43 +00:00
Jakob Stoklund Olesen
68b2c1d239 Handle the special case of registers begin redefined by early-clobber defs. 
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
Owen Anderson
11a49e845a Use the correct LHS type when determining the legalization of a shift's RHS type. 
llvm-svn: 127163
 2011-03-07 18:29:47 +00:00
Justin Holewinski
751178c697 ptx: Fix calling convention printing in AsmWriter.cpp 
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
Duncan Sands
1e5b90b716 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.

llvm-svn: 127156
 2011-03-07 09:12:24 +00:00
Bill Wendling
e07a701cb9 Don't keep the log files around. Just pipe to a log file instead. 
llvm-svn: 127155
 2011-03-07 07:37:37 +00:00
Bill Wendling
b0d3caf6c9 Fix tagging name. 
llvm-svn: 127154
 2011-03-07 07:37:12 +00:00
Argyrios Kyrtzidis
5a57c82f11 Try fixing mingw build. 
llvm-svn: 127153
 2011-03-07 05:35:01 +00:00
Eric Christopher
94c476f680 Prepend LD.Flags before LDFLAGS to avoid overriding necessary paths. 
Patch by Jack Howarth.

llvm-svn: 127152
 2011-03-07 04:25:12 +00:00
Nick Lewycky
fad3512a9a 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.

llvm-svn: 127149
 2011-03-07 02:10:18 +00:00
Nick Lewycky
2cbaf887bb 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!

llvm-svn: 127146
 2011-03-07 01:50:10 +00:00
Argyrios Kyrtzidis
9cd53db2f9 Do a compiler check that we use one of the types from PointerUnion[N], instead of a runtime check. 
llvm-svn: 127145
 2011-03-07 01:30:20 +00:00
NAKAMURA Takumi
6587cb0973 Windows/PathV2.inc: Eliminate redundant condition. DWORD is unsigned. 
llvm-svn: 127140
 2011-03-07 00:12:53 +00:00
Rafael Espindola
6535a2911b Don't internalize available_externally functions. We already did the right 
thing for variables.

llvm-svn: 127138
 2011-03-06 23:41:34 +00:00
Chris Lattner
3867e5f48e remove another jeff link 
llvm-svn: 127135
 2011-03-06 23:00:33 +00:00
Eric Christopher
1da11eb2ae Typo. 
llvm-svn: 127131
 2011-03-06 21:13:45 +00:00
Nick Lewycky
46bb763f35 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!

llvm-svn: 127116
 2011-03-06 03:36:19 +00:00
NAKAMURA Takumi
6aa6938d66 lib/CodeGen/AsmPrinter/CMakeLists.txt: Fix CMake build, following up to r127099. 
llvm-svn: 127114
 2011-03-06 00:13:15 +00:00
Andrew Trick
ebbe4680ae Disable a couple of experimental heuristics to get the best results from the current implementation of -pre-RA-sched=list-ilp. 
llvm-svn: 127113
 2011-03-06 00:03:32 +00:00
Benjamin Kramer
fbb4be942c Avoid zero-sized allocations when copying a fresh DenseMap. 
llvm-svn: 127110
 2011-03-05 22:00:28 +00:00
Jakob Stoklund Olesen
d415589edc 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 ;-)

llvm-svn: 127107
 2011-03-05 18:55:06 +00:00
Anton Korobeynikov
8c7010e832 ARM assembler stuff is crazy: for .setfp positive values of offset corresponds to "add" instruction, not to "sub" as in .pad case 
llvm-svn: 127106
 2011-03-05 18:44:00 +00:00
Anton Korobeynikov
f15e269356 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. 
llvm-svn: 127105
 2011-03-05 18:43:55 +00:00
Anton Korobeynikov
d8873d31a8 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. 
llvm-svn: 127104
 2011-03-05 18:43:50 +00:00
Anton Korobeynikov
d4828b54ec Add unwind information emission for thumb stuff 
llvm-svn: 127103
 2011-03-05 18:43:43 +00:00
Anton Korobeynikov
7ba97c2831 Handle MI flags inside Thumb2SizeReduction pass. 
llvm-svn: 127102
 2011-03-05 18:43:38 +00:00
Anton Korobeynikov
917ca94111 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.

llvm-svn: 127101
 2011-03-05 18:43:32 +00:00
Anton Korobeynikov
d7910e3cb6 Provide hooks to set MI flags in MachineInstrBuilder 
llvm-svn: 127100
 2011-03-05 18:43:20 +00:00
Anton Korobeynikov
62e48532b9 Some first rudimentary support for ARM EHABI: print exception table in "text mode". 
llvm-svn: 127099
 2011-03-05 18:43:15 +00:00