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Author SHA1 Message Date
Nick Lewycky
c9b98ad7a7 Fix infinite loop in DSE when deleting a free in a reachable loop that's also 
trivially infinite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146197 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 22:36:35 +00:00
Evan Cheng
e955726a0e Add 256-bit variant vmovss and vmovsd patterns. rdar://10538417 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146196 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 22:30:45 +00:00
Eli Friedman
0572c7d31e Remove reference to dead GEPSplitterPass. PR11506. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146195 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 22:28:17 +00:00
Jim Grosbach
8759c3f548 ARM 64-bit VEXT assembly uses a .64 suffix, not .32, amazingly enough. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146194 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 22:19:04 +00:00
Owen Anderson
243eb9ecbb Enhance both TargetLibraryInfo and SelectionDAGBuilder so that the latter can use the former to prevent the formation of libm SDNode's when -fno-builtin is passed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146193 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 22:15:21 +00:00
Jim Grosbach
6b044c2609 ARM VSHR implied destination operand form aliases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146192 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 22:06:06 +00:00
Evan Cheng
13d2ba34f2 Add various missing AVX patterns which was causing crashes. Sadly, the generated 
code looks pretty bad compared to SSE.

rdar://10538793


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146191 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 22:05:28 +00:00
Jim Grosbach
318df74104 Tidy up a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146190 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 22:04:40 +00:00
Devang Patel
e265bcf1a6 Refactor. No intentional functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146187 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 21:48:01 +00:00
Chad Rosier
73e08d3507 Add rather verbose stats for fast-isel failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146186 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 21:37:10 +00:00
Jim Grosbach
a62d11ea94 ARM asm parser, just issue a warning for a duplicate reg in a list. 
For better 'gas' compatibility.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146185 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 21:34:20 +00:00
Devang Patel
cf405ba7a6 Filter "sink to" candidate blocks sooner. This avoids unnecessary computation to determine whether the block dominates all uses or not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146184 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 21:33:23 +00:00
Akira Hatanaka
7a7194b529 Pass a GlobalAddress instead of an ExternalSymbol to LowerCallTo in 
MipsTargetLowering::LowerGlobalTLSAddress. This is necessary to have
call16(__tls_get_addr) emitted instead of got_disp(__tls_get_addr) when the
target is Mips64.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146183 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 21:05:38 +00:00
Jim Grosbach
120313435d ARM VSUB implied destination operand form aliases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146182 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 20:56:26 +00:00
Jim Grosbach
beef39ab63 Tidy up a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146181 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 20:53:19 +00:00
Owen Anderson
587e34065f Don't explicitly marked libm rounding ops as legal on SSE4.1/AVX. There don't seem to be patterns for these, so I don't know why they were marked legal in the first place. 
Fixes failures caused by r146171.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146180 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 20:51:38 +00:00
Jim Grosbach
9e7b42a40e ARM VQADD implied destination operand form aliases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146179 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 20:49:43 +00:00
Jim Grosbach
1c2c8a9389 ARM a few more VMUL implied destination operand form aliases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146177 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 20:42:35 +00:00
Akira Hatanaka
ca0747917d Implement 64-bit support for thread local storage handling. 
- Modify lowering of global TLS address nodes.
- Modify isel of ThreadPointer.
- Wrap target global TLS address nodes that are operands of loads with WrapperPIC. 
- Remove Mips-specific DAG nodes TlsGd, TprelHi and TprelLo, which can be
  substituted with other existing nodes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146175 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 20:34:32 +00:00
Owen Anderson
4a4fdf3476 Teach SelectionDAG to match more calls to libm functions onto existing SDNodes. Mark these nodes as illegal by default, unless the target declares otherwise. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146171 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 19:32:14 +00:00
Jim Grosbach
40e2855547 ARM assembler support for register name aliases. 
rdar://10550084

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 19:27:38 +00:00
Evan Cheng
43d5d4ca1c Make MachineInstr instruction property queries more flexible. This change all 
clients to decide whether to look inside bundled instructions and whether
the query should return true if any / all bundled instructions have the
queried property.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146168 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 19:23:10 +00:00
Evan Cheng
e9c1e07c5f Add test for r146163. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146167 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 19:21:39 +00:00
Evan Cheng
2f435511e9 Many of the SSE patterns should not be selected when AVX is available. This led to the following code in X86Subtarget.cpp 
if (HasAVX)
    X86SSELevel = NoMMXSSE;

This is so patterns that are predicated on hasSSE3, etc. would not be selected when avx is available. Instead, the AVX variant is selected.
However, this breaks instructions which do not have AVX variants.

The right way to fix this is for the SSE but not-AVX patterns to predicate on something like hasSSE3() && !hasAVX().
Then we can take out the hack in X86Subtarget.cpp. Patterns which do not have AVX variants do not need to change.

However, we need to audit all the patterns before we make the change. This patch is workaround that fixes one specific case,
the prefetch instructions. rdar://10538297


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146163 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 19:00:42 +00:00
Daniel Dunbar
3b0887e291 Revert r146143, "Fix bug 9905: Failure in code selection for llvm intrinsics 
sqrt/exp (fix for FSQRT, FSIN, FCOS, FPOWI, FPOW, FLOG, FLOG2, FLOG10, FEXP,
FEXP2).", it is failing tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146157 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 17:32:18 +00:00
NAKAMURA Takumi
e4472726b5 test/CodeGen/X86/vec_compare-2.ll: Add explicit -mtriple=i686-linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146152 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 15:24:09 +00:00
Jan Sjödin
703420f50e Src2 and src3 were accidentally swapped for the FMA4 rr patterns. Undo this and fix the encoding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146151 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 14:43:19 +00:00
Nadav Rotem
44bac7cd65 Fix a bug in the integer-promotion of bitcast operations on vector types. 
We must not issue a bitcast operation for integer-promotion of vector types, because the
location of the values in the vector may be different.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146150 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 13:10:01 +00:00
Stepan Dyatkovskiy
72590c9738 Fix bug 9905: Failure in code selection for llvm intrinsics sqrt/exp (fix for FSQRT, FSIN, FCOS, FPOWI, FPOW, FLOG, FLOG2, FLOG10, FEXP, FEXP2). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146143 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 07:55:03 +00:00
Hal Finkel
6772452644 MTCTR needs to be glued to BCTR so that CTR is not marked dead in MTCTR (another find by -verify-machineinstrs) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146137 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 04:36:44 +00:00
Pete Cooper
8f391d9330 Reverting r145899 as it breaks clang self-hosting 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146136 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 03:24:10 +00:00
Jim Grosbach
730fe6c1b6 ARM NEON two-operand aliases for VSHL(immediate). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146125 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 01:30:04 +00:00
Jakob Stoklund Olesen
e6f9e9d836 Drop the HasInlineAsm flag. 
It is not used any more. We are tracking inline assembly misalignments
directly through the BBInfo.Unalign and KnownBits fields.

A simple conservative size estimate is not good enough since it can
cause alignment padding to be underestimated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146124 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 01:22:39 +00:00
Jim Grosbach
ff4cbb4c9a ARM NEON two-operand aliases for VSHL(register). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146123 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 01:12:35 +00:00
Jakob Stoklund Olesen
99486be8ba Simplify offset verification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146121 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 01:10:05 +00:00
Jim Grosbach
517a013a4f Fix copy/past-o. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146120 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 01:02:26 +00:00
Jim Grosbach
2b8810c500 ARM NEON two-operand aliases for VMUL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146119 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 00:59:47 +00:00
Jakob Stoklund Olesen
540c6d9d26 Don't include alignment padding in BBInfo.Size. 
Compute alignment padding before and after basic blocks dynamically.

Heed basic block alignment.

This simplifies bookkeeping because we don't have to constantly add and
remove padding from BBInfo.Size.  It also makes it possible to track the
extra known alignment bits we get after a tBR_JTr terminator and when
entering an aligned basic block.

This makes the ARMConstantIslandPass aware of aligned basic blocks.

It is tricky to model block alignment correctly when dealing with inline
assembly and tBR_JTr instructions that have variable size.  If inline
assembly turns out to be smaller than expected, that may cause following
alignment padding to be larger than expected.  This could cause constant
pool entries to move out of range.

To avoid that problem, we use the worst case alignment padding following
inline assembly. This may cause slightly suboptimal constant island
placement in aligned basic blocks following inline assembly.  Normal
functions should be unaffected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146118 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 00:55:02 +00:00
Jim Grosbach
8254f02231 ARM VFP support 'fmrs/fmsr' aliases for 'vldr' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146116 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 00:52:55 +00:00
Jim Grosbach
67ca1adf82 ARM VFP support 'flds/fldd' aliases for 'vldr' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146115 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 00:49:29 +00:00
Jim Grosbach
a44f2c4a28 ARM optional destination operand variants for VEXT instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146114 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 00:43:47 +00:00
Jim Grosbach
71a0a2ec0b Tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146113 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 00:41:54 +00:00
Chad Rosier
667f826622 Fix 80-column. 
Simplify code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146112 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 00:38:45 +00:00
Jim Grosbach
3bc8a3d3af ARM assembler aliases for "add Rd, #-imm" to "sub Rd, #imm". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146111 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 00:31:07 +00:00
Nick Lewycky
7bf7fecd8d Add Tsan annotations to the pass system. 
Perhaps once(&func) should be hoisted into lib/Support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146110 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 00:15:41 +00:00
Chad Rosier
14d622dce6 Fix comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146109 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 00:11:31 +00:00
Peter Collingbourne
d40e103ea5 EngineBuilder: support for custom TargetOptions. Fixes the 
ExceptionDemo example.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146108 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-07 23:58:57 +00:00
Chad Rosier
0c89f7fda2 Fix comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146107 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-07 23:57:55 +00:00
Jim Grosbach
af4edea67b ARM assembly, allow 'asl' as a synonym for 'lsl' in shifted-register operands. 
For 'gas' compatibility.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146106 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-07 23:40:58 +00:00
Akira Hatanaka
08a7d92da6 Modify class ReadHardware and add definition of 64-bit version of instruction 
RDHWR. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146101 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-07 23:31:26 +00:00