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10990 Commits

Author SHA1 Message Date
Bill Wendling
1f47b01f08 Need to specify SSE4 for machines which don't have SSE4. The code checked for is generated by SSE4. Otherwise, we get something else. 
llvm-svn: 115352
 2010-10-01 21:39:35 +00:00
Owen Anderson
a88628cd72 Now that the profitable bits of EnableFullLoadPRE have been enabled by default, rip out the remainder. 
Anyone interested in more general PRE would be better served by implementing it separately, to get real
anticipation calculation, etc.

llvm-svn: 115337
 2010-10-01 20:02:55 +00:00
Devang Patel
1f2abb3af0 Fix code gen crash reported in PR 8235. We still lose debug info for the unused argument here. This is a known limitation recorded debuginfo-tests/trunk/dbg-declare2.ll function 'f6' test case. 
llvm-svn: 115323
 2010-10-01 19:00:44 +00:00
Bill Wendling
89da1661a3 We must check for something. 
llvm-svn: 115309
 2010-10-01 10:20:10 +00:00
Bill Wendling
a5e9e55778 Disable tests until I can figure out why they're failing on just two machines but not others. 
llvm-svn: 115308
 2010-10-01 10:01:10 +00:00
Bill Wendling
18960d3eaa Try adding an mtriple. 
llvm-svn: 115307
 2010-10-01 09:40:50 +00:00
Kalle Raiskila
c6bdc97934 Zap some redundant 'ori $?, $?, 0' from SPU. 
Also remove some code that died in the process.
One now non-existant ori is checked for.

llvm-svn: 115306
 2010-10-01 09:20:01 +00:00
Bill Wendling
7cb3d0c43e FileCheck-ize this test. 
llvm-svn: 115304
 2010-10-01 08:55:48 +00:00
Bill Wendling
7b19f58e1c FileCheck-ize this test. 
llvm-svn: 115303
 2010-10-01 08:50:12 +00:00
Chris Lattner
bf0f375aba fix PR8267 - Instcombine shouldn't optimizer away volatile memcpy's. 
llvm-svn: 115296
 2010-10-01 05:51:02 +00:00
Chris Lattner
c131f7d23b upgrade this test. 
llvm-svn: 115295
 2010-10-01 05:47:16 +00:00
Chris Lattner
01c6e93ea4 fix rdar://8494845 + PR8244 - a miscompile exposed by my patch in r101350 
llvm-svn: 115294
 2010-10-01 05:36:09 +00:00
Dale Johannesen
d2ab5dccdc One more +sse2. 
llvm-svn: 115293
 2010-10-01 05:08:18 +00:00
Chris Lattner
2c53557b0d move X86 subdir up a level 
llvm-svn: 115292
 2010-10-01 04:32:20 +00:00
Dale Johannesen
4d1ca2ab29 Mark all these as needing SSE2. Should fix PPC and 
maybe even Linux.

llvm-svn: 115291
 2010-10-01 04:17:55 +00:00
Dale Johannesen
c9a4261060 Disable these tests for now; it's not obvious why they fail on Linux. 
llvm-svn: 115257
 2010-10-01 00:59:21 +00:00
Dale Johannesen
51bf690108 Make test not sensitive to register choice. 
llvm-svn: 115250
 2010-10-01 00:16:17 +00:00
Dale Johannesen
c14a1eda84 Massive rewrite of MMX: 
The x86_mmx type is used for MMX intrinsics, parameters and
return values where these use MMX registers, and is also
supported in load, store, and bitcast.

Only the above operations generate MMX instructions, and optimizations
do not operate on or produce MMX intrinsics. 

MMX-sized vectors <2 x i32> etc. are lowered to XMM or split into
smaller pieces.  Optimizations may occur on these forms and the
result casted back to x86_mmx, provided the result feeds into a
previous existing x86_mmx operation.

The point of all this is prevent optimizations from introducing
MMX operations, which is unsafe due to the EMMS problem.

llvm-svn: 115243
 2010-09-30 23:57:10 +00:00
NAKAMURA Takumi
66978c202a test/CodeGen/X86/sibcall.ll: Add explicit triplets and remove XFAIL: apple-darwin8. 
llvm-svn: 115215
 2010-09-30 22:02:06 +00:00
Owen Anderson
5adba2c2ff We do want to allow LoadPRE to perform LICM-like transformations: we already consider PHI nodes to be negligible for 
code size (making this transform code size neutral), and it allows us to hoist values out of loops, which is always
a good thing.

llvm-svn: 115205
 2010-09-30 20:53:04 +00:00
Jakob Stoklund Olesen
603950c4af Try again to disable critical edge splitting in CodeGenPrepare. 
The bug that broke i386 linux has been fixed in r115191.

llvm-svn: 115204
 2010-09-30 20:51:52 +00:00
Rafael Espindola
5aae0d6863 Factor some logic into ShouldRelocOnSymbol. This simplifies the code and 
fixes some cases where we were producing relocations with at symbol that
should use a section instead.

llvm-svn: 115194
 2010-09-30 20:18:35 +00:00
Jakob Stoklund Olesen
8f4d623f9a When isel is emitting instructions for an x86 target without CMOV, the CFG is 
edited during emission.

If the basic block ends in a switch that gets lowered to a jump table, any
phis at the default edge were getting updated wrong. The jump table data
structure keeps a pointer to the header blocks that wasn't getting updated
after the MBB is split.

This bug was exposed on 32-bit Linux when disabling critical edge splitting in
codegen prepare.

The fix is to uipdate stale MBB pointers whenever a block is split during
emission.

llvm-svn: 115191
 2010-09-30 19:44:31 +00:00
Chris Lattner
5bf2e8957f more cleanups. 
llvm-svn: 115178
 2010-09-30 17:29:05 +00:00
Chris Lattner
06b22c9040 merge and clean up tests. 
llvm-svn: 115177
 2010-09-30 17:24:05 +00:00
Chris Lattner
3eb4b129ce merge two tests. 
llvm-svn: 115175
 2010-09-30 17:18:22 +00:00
Chris Lattner
4305b3410a rename test 
llvm-svn: 115174
 2010-09-30 17:16:49 +00:00
Chris Lattner
3c83d4c5b2 generalize test. 
llvm-svn: 115172
 2010-09-30 17:15:42 +00:00
Chris Lattner
ba10206990 rename test. 
llvm-svn: 115171
 2010-09-30 17:14:55 +00:00
Chris Lattner
4e40805fb9 merge two tests. 
llvm-svn: 115170
 2010-09-30 17:14:30 +00:00
Chris Lattner
df2f5c0a40 preemptively add the rest of the non-n fpstack instructions. 
llvm-svn: 115168
 2010-09-30 17:11:29 +00:00
Chris Lattner
66e54dbadc merge two tests. 
llvm-svn: 115165
 2010-09-30 17:05:37 +00:00
Chris Lattner
bcc528fb04 fix this to not be completely broken. 
llvm-svn: 115164
 2010-09-30 17:04:59 +00:00
Chris Lattner
79ba84083a update, unxfail, fix bogus encodings. 
llvm-svn: 115163
 2010-09-30 17:03:20 +00:00
Chris Lattner
ae85c49bd0 update and unxfail 
llvm-svn: 115162
 2010-09-30 17:00:53 +00:00
Chris Lattner
cd33e7e984 unxfail this by fixing syntactic differences. 
llvm-svn: 115161
 2010-09-30 16:59:28 +00:00
Chris Lattner
8e7a4b7b57 implement support for finit, PR8258 
llvm-svn: 115156
 2010-09-30 16:42:53 +00:00
Chris Lattner
fecf3a7717 add support for fstcw, PR8259 
llvm-svn: 115154
 2010-09-30 16:39:29 +00:00
Jan Wen Voung
7df9bf0092 Move logic of determining ELF entsize from the .s printer to initialization 
time. That way, the EntrySize field is initialized for other code paths, 
namely, the .ll -> .o code path.

llvm-svn: 115141
 2010-09-30 05:59:22 +00:00
Rafael Espindola
b371d39f74 Add another test that now passes. 
llvm-svn: 115137
 2010-09-30 04:22:07 +00:00
Rafael Espindola
480ee577ad Correctly produce R_X86_64_32 or R_X86_64_32S. 
With this patch in

movq    $foo, foo(%rip)
foo:
.long   foo

We produce a R_X86_64_32S for the first relocation and R_X86_64_32 for the
second one.

llvm-svn: 115134
 2010-09-30 03:11:42 +00:00
Jason W Kim
7822e6aab5 Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile() 
Small test for sanity check of resulting ARM .s file.
Tested against -r115129.

llvm-svn: 115133
 2010-09-30 02:45:56 +00:00
Jan Wen Voung
0d25ddb1de Have ELFAsmParser.cpp use the already parsed "Size" (entry size) when 
constructing a section. Test for a few cases also included.

llvm-svn: 115132
 2010-09-30 02:41:46 +00:00
Rafael Espindola
3e2630deca Make it possible for the MCObjectWriter to decide if a given fixup is fully 
resolved or not. Different object files have different restrictions and
different native assemblers have different idiosyncrasies we want to emulate
for now.

Move the existing MachO logic to the new place and implement an ELF one that
gets fixups to globals right.

llvm-svn: 115131
 2010-09-30 02:22:20 +00:00
Benjamin Kramer
2a44a539e2 Add constant folding for strspn and strcspn to SimplifyLibCalls. 
llvm-svn: 115116
 2010-09-30 00:58:35 +00:00
Benjamin Kramer
476bfb7a10 Add strpbrk folding to SimplifyLibCalls. 
llvm-svn: 115111
 2010-09-29 23:52:12 +00:00
Benjamin Kramer
cec2603ec2 Simplify the loop in StrChrOptimizer. FileCheckize test. 
llvm-svn: 115095
 2010-09-29 22:29:12 +00:00
Benjamin Kramer
75a825ff6b Teach SimplifyLibCalls how to optimize strrchr. 
llvm-svn: 115091
 2010-09-29 21:50:51 +00:00
Devang Patel
bbd003ab48 Generalize DISubprogram element to encode various flags instead of just one boolean for isArtificial. 
This is a backword compatible change.

llvm-svn: 115084
 2010-09-29 21:04:46 +00:00
Owen Anderson
8e70968a13 Fix PR8247: JumpThreading can cause a block to become unreachable while still having predecessor, if it is part of a self-loop. 
Because of this, we cannot use the Simplify* APIs, as they can assert-fail on unreachable code.  Since it's not easy to determine
if a given threading will cause a block to become unreachable, simply defer simplifying simplification to later InstCombine and/or
DCE passes.

llvm-svn: 115082
 2010-09-29 20:34:41 +00:00