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5964 Commits

Author SHA1 Message Date
Duncan Sands
3f0dbb4ead Reapply r59464, this time using the correct type 
when softening FNEG.

llvm-svn: 59513
 2008-11-18 09:15:03 +00:00
Bill Wendling
8c9e9be673 A simple test for stack protectors. This should be valid on all platforms. 
llvm-svn: 59505
 2008-11-18 07:34:50 +00:00
Bill Wendling
33cf8ff597 Revert r59464. It was causing this failure: 
Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/dg.exp ...
FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/fneg.ll
Failed with signal(SIGABRT) at line 1
while running:  llvm-as < /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/fneg.ll |  llc -march=xcore > fneg.ll.tmp1.s
Assertion failed: (VT.isFloatingPoint() && "Cannot create integer FP constant!"), function getConstantFP, file /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/lib/CodeGen/SelectionDAG/SelectionDAG.cpp, line 913.
0   llc                                 0x0092115c _ZN4llvm3sys18RemoveFileOnSignalERKNS0_4PathEPSs + 844
1   libSystem.B.dylib                   0x9217809b _sigtramp + 43
2   ???                                 0xffffffff 0x0 + 4294967295
3   libSystem.B.dylib                   0x921f0ec2 raise + 26
4   libSystem.B.dylib                   0x9220047f abort + 73
5   libSystem.B.dylib                   0x921f2063 __assert_rtn + 101
6   llc                                 0x005a5b0a _ZN4llvm12SelectionDAG13getConmake[1]: *** [check-local] Error 1
make: *** [check] Error 2

llvm-svn: 59487
 2008-11-18 01:49:24 +00:00
Devang Patel
2a0aa9fa51 Give SIToFPInst preference over UIToFPInst because it is faster on platforms that are widely used. 
llvm-svn: 59476
 2008-11-18 00:40:02 +00:00
Devang Patel
705f88d5b5 While handling floating point IVs lift restrictions on initial value and increment value. 
llvm-svn: 59471
 2008-11-17 23:27:13 +00:00
Duncan Sands
b13af5a714 Add soft float support for a bunch more operations. Original 
patch by Richard Osborne, tweaked and extended by your humble
servant.

llvm-svn: 59464
 2008-11-17 20:52:38 +00:00
Dale Johannesen
652c29e68d Remove these, which test for optimizations that 
are not currently done (cf PowerPC/README.txt).

llvm-svn: 59456
 2008-11-17 18:57:45 +00:00
Richard Osborne
2eb278eb4d Don't produce ADDC/ADDE when expanding SHL unless they are legal 
for the target. This fixes PR3080.

llvm-svn: 59450
 2008-11-17 17:34:31 +00:00
Lang Hames
cdccf43c58 Removed 2008-10-17-SpillerBug.ll as it does not provide an accurate test of PR2898. 
llvm-svn: 59431
 2008-11-16 23:30:12 +00:00
Lang Hames
66bb641598 2008-10-17-SpillerBug.ll is currently failing, but this doesn't reflect an actual regression of PR2898. This test should probably be removed. I've XFAILed it for now to keep buildbot quiet while this is considered. 
llvm-svn: 59415
 2008-11-16 13:11:09 +00:00
Mon P Wang
b6661b480b Improved shuffle normalization to avoid using extract/build when we 
can extract using different indexes for two vectors. Added a few tests
for vector shuffles.

llvm-svn: 59399
 2008-11-16 05:06:27 +00:00
Chris Lattner
21f18c9760 Handle the case where there is no "not". It is possible it got 
folded into the select.

llvm-svn: 59389
 2008-11-16 04:25:26 +00:00
Chris Lattner
4f8153d48f make this actually test what it is trying to. 
llvm-svn: 59386
 2008-11-16 04:21:51 +00:00
Nick Lewycky
1cddd8346f Don't brute-force analyze cubic or higher polynomials. 
If this patch causes a performance regression for anyone, please let me know,
and it can be fixed in a different way with much more effort.

llvm-svn: 59384
 2008-11-16 04:14:25 +00:00
Nick Lewycky
75d57a3bc3 Correct this error message. 
llvm-svn: 59370
 2008-11-15 17:50:47 +00:00
Richard Osborne
c2b2d5e6cf [XCore] Fix expansion of 64 bit add/sub. Don't custom expand 
these operations if ladd/lsub are not available on the current
subtarget.

llvm-svn: 59305
 2008-11-14 15:59:19 +00:00
Richard Osborne
8f86bb4d20 Add XCore intrinsics for getid (returns thread id) and bitrev (reverses 
bits in a word).

llvm-svn: 59296
 2008-11-14 10:12:16 +00:00
Dan Gohman
0a3ae5c0f2 Remove the FlaggedNodes member from SUnit. Instead of requiring each SUnit 
to carry a SmallVector of flagged nodes, just calculate the flagged nodes
dynamically when they are needed.

The local-liveness change is due to a trivial scheduling change where
the scheduler arbitrary decision differently.

llvm-svn: 59273
 2008-11-13 23:24:17 +00:00
Dale Johannesen
cc7dc0ec70 testcase for PR 1779. 
llvm-svn: 59268
 2008-11-13 22:17:10 +00:00
Bill Wendling
aede28fc3d Added testcase for r59214. 
llvm-svn: 59218
 2008-11-13 04:09:04 +00:00
Tanya Lattner
19cb5b9b91 Add test case for ptr annotation. 
llvm-svn: 59142
 2008-11-12 16:12:27 +00:00
Duncan Sands
117397c8dd Correct some thinkos in the expansion of ADD/SUB 
when the target does not support ADDC/SUBC.  This
fixes PR3044.

llvm-svn: 59120
 2008-11-12 08:23:26 +00:00
Dale Johannesen
a2cd0724ea Fix the testb optimization so x86 also bootstraps. 
Reenable test.

llvm-svn: 59101
 2008-11-12 02:00:35 +00:00
Andrew Lenharth
d096adcb5f fix another libgcc blocker 
llvm-svn: 59026
 2008-11-11 06:06:07 +00:00
Bill Wendling
97ad53032e Un-XFAIL tests now that they're fixed. 
llvm-svn: 59023
 2008-11-11 04:44:42 +00:00
Bill Wendling
e27327ae95 r59009 broke these tests. XFAIL for now. 
llvm-svn: 59010
 2008-11-11 00:36:10 +00:00
Bill Wendling
891f177dd0 Temporarily revert r58979 and related patch. It's causing a failure in X86 bootstrap: 
Comparing stages 2 and 3
warning: ./cc1-checksum.o differs
warning: ./cc1obj-checksum.o differs
warning: ./cc1objplus-checksum.o differs
warning: ./cc1plus-checksum.o differs
Bootstrap comparison failure!
./alias.o differs
./alloc-pool.o differs
./attribs.o differs
./bb-reorder.o differs
./bitmap.o differs
./build/errors.o differs
./build/genattrtab.o differs
./build/genautomata.o differs
./build/genemit.o differs
./build/genextract.o differs
...

-bw

llvm-svn: 59003
 2008-11-10 21:22:06 +00:00
Devang Patel
f0d6bd18d5 If the sign of exit condition and split condition does not match 
then do not split loop index.

llvm-svn: 58995
 2008-11-10 19:48:34 +00:00
Duncan Sands
22e8a45a01 Fix PR2667: add soft float support for sint_to_fp/uint_to_fp 
where the argument is an apint, or smaller than the minimum
size for which there is a libcall (i32). 

llvm-svn: 58994
 2008-11-10 17:36:26 +00:00
Duncan Sands
1d0b7dccf7 When promoting the result of fp_to_uint/fp_to_sint, 
inform the optimizers that the result must be zero/
sign extended from the smaller type.  For example,
if a fp to unsigned i16 is promoted to fp to i32,
then we are allowed to assume that the extra 16 bits
are zero (because the result of fp to i16 is undefined
if the result does not fit in an i16).  This is
quite aggressive, but should help the optimizers
produce better code.  This requires correcting a
test which thought that fp_to_uint is some kind
of truncation, which it is not: in the testcase
(which does fp to i1), either the fp value converts
to 0 or 1 or the result is undefined, which is
quite different to truncation.

llvm-svn: 58991
 2008-11-10 17:28:30 +00:00
Dale Johannesen
28c0044273 Reenable test. 
llvm-svn: 58980
 2008-11-10 07:30:32 +00:00
Bill Wendling
3b91357ef0 The method of doing the matching with a 'select' instruction was wrong. The 
original code was matching like this:

	if (match(A, m_Not(m_Value(B))))

B was already matched as a 'select' instruction. However, this isn't matching
what we think it's matching. It would match B as a 'Value', so basically
anything would match to it. In this case, a Constant matched. B was replaced
with a constant representation. And then the wrong value would be used in the
SelectInst::Create statement, causing a crash.

After thinking on this for a moment, and after Nick L. told me how the pattern
matching stuff was supposed to work, the solution was to match NOT an m_Value,
but an m_Select.

llvm-svn: 58946
 2008-11-09 23:17:42 +00:00
Duncan Sands
3bc55fc46f XFAIL this while waiting for a fix. 
llvm-svn: 58934
 2008-11-09 13:07:47 +00:00
Bill Wendling
436d4cce83 If the LHS of the FCMP is coming from a UIToFP instruction, then we don't want 
to generate signed ICMP instructions to replace the FCMP. This would violate
the following:

define i1 @test1(i32 %val) {
  %1 = uitofp i32 %val to double
  %2 = fcmp ole double %1, 0.000000e+00
  ret i1 %2
}

would be transformed into:

define i1 @test1(i32 %val) {
  %1 = icmp slt i33 %val, 1
  ret i1 %1
}

which is obviously wrong. This patch modifes InstCombiner::FoldFCmp_IntToFP_Cst
to handle when the LHS comes from UIToFP.

llvm-svn: 58929
 2008-11-09 04:26:50 +00:00
Scott Michel
d168ef3d26 CellSPU: Update expected counts on expected patterns 
llvm-svn: 58927
 2008-11-09 01:03:41 +00:00
Daniel Dunbar
a525d7b3f6 Add LLVMC2 tool definitions for Objective-C and Objective-C++. 
llvm-svn: 58885
 2008-11-08 03:25:47 +00:00
Dale Johannesen
2487d3100b Generated code for generic expansion of SETUGT etc. 
is noticeably worse than previous PPC-specific code.
Since the latter was also wrong in some cases and
correctness is more important than efficiency, I'm
disabling this test temporarily while I fix it.

llvm-svn: 58876
 2008-11-08 00:49:19 +00:00
Dale Johannesen
5c10f4178e Xfail an incorrect test. 
llvm-svn: 58875
 2008-11-08 00:40:24 +00:00
Richard Osborne
f4fb6eaf71 Add basic test for XCore backend 
llvm-svn: 58841
 2008-11-07 11:24:12 +00:00
Dale Johannesen
64f40545b3 Testcase for testb optimization. 
llvm-svn: 58827
 2008-11-07 01:30:18 +00:00
Devang Patel
0958cd6437 Handle (delete) dbg intrinsics while promoting alloca. 
llvm-svn: 58826
 2008-11-07 01:30:07 +00:00
Devang Patel
8640fd500a Emit label for llvm.dbg.func.start of the inlined function. 
llvm-svn: 58814
 2008-11-06 21:28:20 +00:00
Devang Patel
ec135e1f33 Emit label for llvm.dbg.func.start of the inlined function. 
llvm-svn: 58786
 2008-11-06 00:30:09 +00:00
Dan Gohman
aeaf83cfb8 Make ISel ignore dead nodes. The DAGCombiner normally eliminates 
dead nodes, but in this case its missing one. Fixing the DAGCombiner
is desirable, but it's somewhat involved.

llvm-svn: 58777
 2008-11-05 22:56:47 +00:00
Devang Patel
9600e3e1b2 Add PR number. 
llvm-svn: 58765
 2008-11-05 18:41:15 +00:00
Evan Cheng
1378d6c7a9 Add more vector move low and zero-extend patterns. 
llvm-svn: 58752
 2008-11-05 06:04:51 +00:00
Devang Patel
5ca10e5295 New test case. 
llvm-svn: 58745
 2008-11-05 01:40:30 +00:00
Dan Gohman
c162a200ad Add a new pass to simplify specific half_powr function calls. This is 
a specialized pass that it not likely to be generally useful.

llvm-svn: 58732
 2008-11-04 23:41:45 +00:00
Anton Korobeynikov
169173000f Fix tests not to emit IR output 
llvm-svn: 58729
 2008-11-04 23:02:39 +00:00
Evan Cheng
59112bc108 Actually ARM / Mac OS X does have UINTTOFP_I64_F{64|32} libcalls. 
llvm-svn: 58725
 2008-11-04 22:19:55 +00:00