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17549 Commits

Author SHA1 Message Date
Daniel Dunbar
8ab1112bdc McARM: Flush out hard coded known non-predicated mnemonic list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123189 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 21:01:03 +00:00
Daniel Dunbar
8d66b7852a McARM: Mark some T2 ...s instructions as codegen only, they aren't real 
instructions but are restricted pseudo forms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123177 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 15:26:39 +00:00
Daniel Dunbar
238100aaa7 ARM/MC: Mark several '...S' instructions as codegen only, they aren't real 
instructions but are restricted pseudo forms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123176 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 15:26:35 +00:00
Daniel Dunbar
6a5c22ed89 MC/ARM/AsmParser: Minor nitty fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123175 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 15:26:21 +00:00
Anton Korobeynikov
2c8bd754de Fix merge fallout 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123172 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 12:56:18 +00:00
Anton Korobeynikov
7af6fad0a7 Update CMake stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123171 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 12:39:23 +00:00
Anton Korobeynikov
16c29b5f28 Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 12:39:04 +00:00
Daniel Dunbar
badbd2fde9 MC/ARM/AsmParser: Split out SplitMnemonicAndCC(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123169 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 12:24:52 +00:00
Jakob Stoklund Olesen
c9df025e33 Simplify a bunch of isVirtualRegister() and isPhysicalRegister() logic. 
These functions not longer assert when passed 0, but simply return false instead.

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123155 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 02:58:51 +00:00
Chris Lattner
00a35d0f14 expand on a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123145 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 00:33:01 +00:00
Chris Lattner
66d7a5793c typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123142 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-09 23:48:41 +00:00
Chris Lattner
7cc4e304a6 xref a PR # 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123141 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-09 23:42:22 +00:00
Chandler Carruth
fb00e2715b Add a note about the inability to model FP -> int conversions which 
perform rounding other than truncation in the IR. Common C code for this
turns into really an LLVM intrinsic call that blocks a lot of further
optimizations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123135 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-09 22:36:18 +00:00
Jakob Stoklund Olesen
be97e906e0 Teach TargetRegisterInfo how to cram stack slot indexes in with the virtual and 
physical register numbers.

This makes the hack used in LiveInterval official, and lets LiveInterval be
oblivious of stack slots.

The isPhysicalRegister() and isVirtualRegister() predicates don't know about
this, so when a variable may contain a stack slot, isStackSlot() should always
be tested first.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123128 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-09 21:17:37 +00:00
Chandler Carruth
96b1b6c135 Add a note about a missed FP optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123126 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-09 21:00:19 +00:00
Chandler Carruth
694d753b09 Another missed memset in std::vector initialization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123116 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-09 11:29:57 +00:00
Chandler Carruth
27a2a13b62 Fix a cut-paste-o so that the sample code is correct for my last note. 
Also, switch to a more clear 'sink' function with its declaration to
avoid any confusion about 'g'. Thanks for the suggestion Frits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123113 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-09 10:10:59 +00:00
Chandler Carruth
e5ca494ae6 Another missed optimization of trivial vector code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123112 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-09 09:58:36 +00:00
Chandler Carruth
d8723a9b55 Add a note about vector's size-constructor producing dead stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123111 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-09 09:58:33 +00:00
Jakob Stoklund Olesen
4314268128 Replace TargetRegisterInfo::printReg with a PrintReg class that also works without a TRI instance. 
Print virtual registers numbered from 0 instead of the arbitrary
FirstVirtualRegister. The first virtual register is printed as %vreg0.
TRI::NoRegister is printed as %noreg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123107 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-09 03:05:53 +00:00
Chandler Carruth
75fbd3793f Add a note about a missed memset optimization from std::fill. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123103 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-09 01:32:55 +00:00
Jakob Stoklund Olesen
b258135301 Fix the last virtual register enumerations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123102 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-08 23:11:11 +00:00
Evan Cheng
55d4200336 Recognize inline asm 'rev /bin/bash, ' as a bswap intrinsic call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123048 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-08 01:24:27 +00:00
Evan Cheng
c36b7069b4 Do not model all INLINEASM instructions as having unmodelled side effects. 
Instead encode llvm IR level property "HasSideEffects" in an operand (shared
with IsAlignStack). Added MachineInstrs::hasUnmodeledSideEffects() to check
the operand when the instruction is an INLINEASM.

This allows memory instructions to be moved around INLINEASM instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123044 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 23:50:32 +00:00
Bob Wilson
70f85730b1 Add an explanatory message for an assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123042 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 23:40:46 +00:00
Matt Beaumont-Gay
697970286a Eliminate variable only used in debug builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123040 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 22:34:58 +00:00
Bob Wilson
11a1dfffc8 Lower some BUILD_VECTORS using VEXT+shuffle. 
Patch by Tim Northover.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123035 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 21:37:30 +00:00
Benjamin Kramer
eaff66a895 Revert 122959, it needs more thought. Add it back to README.txt with additional notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123030 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 20:42:20 +00:00
Evan Cheng
a5e1362f96 Revert r122955. It seems using movups to lower memcpy can cause massive regression (even on Nehalem) in edge cases. I also didn't see any real performance benefit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123015 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 19:35:30 +00:00
Bob Wilson
5e8b833707 Add ARM patterns to match EXTRACT_SUBVECTOR nodes. 
Also fix an off-by-one in SelectionDAGBuilder that was preventing shuffle
vectors from being translated to EXTRACT_SUBVECTOR.
Patch by Tim Northover.

The test changes are needed to keep those spill-q tests from testing aligned
spills and restores.  If the only aligned stack objects are spill slots, we
no longer realign the stack frame.  Prior to this patch, an EXTRACT_SUBVECTOR
was legalized by loading from the stack, which created an aligned frame index.
Now, however, there is nothing except the spill slot in the stack frame, so
I added an aligned alloca.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122995 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 04:59:04 +00:00
Chris Lattner
01cdc2016d With Benjamin's recent amazing patches, we should be able to do even better things :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122978 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 22:25:00 +00:00
Bob Wilson
6819dbb6f8 PR8921: LDM/POP do not support interworking prior to v5t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122970 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 19:24:41 +00:00
Bob Wilson
28f1015e36 Remove extra whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122969 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 19:24:36 +00:00
Bob Wilson
0fef58465c Fix comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122968 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 19:24:32 +00:00
Benjamin Kramer
fa36680076 Add a note from llvmdev, this time with more info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122966 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 17:35:50 +00:00
Rafael Espindola
2f867a63da Correctly disassemble truncated asm. 
Patch by Richard Simth.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122962 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 16:48:42 +00:00
Benjamin Kramer
7d9f51f4b5 EarlyCSE does this now (and GVN always did it). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122960 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 13:19:46 +00:00
Benjamin Kramer
240d42d185 InstCombine: If we call llvm.objectsize on a malloc call we can replace it with the size passed to malloc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122959 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 13:11:05 +00:00
Benjamin Kramer
5191e7cc26 Remove dead code and silence warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122957 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 13:01:02 +00:00
Evan Cheng
461f1fc359 Use movups to lower memcpy and memset even if it's not fast (like corei7). 
The theory is it's still faster than a pair of movq / a quad of movl. This
will probably hurt older chips like P4 but should run faster on current
and future Intel processors. rdar://8817010


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122955 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 07:58:36 +00:00
Chris Lattner
cce240d26b add a note about object size from drystone, add a poorly optimized loop from 179.art. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122954 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 07:41:22 +00:00
Chris Lattner
c1853e4a03 add a trivial instcombine missed in Dhrystone 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122953 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 07:09:23 +00:00
Evan Cheng
0521928ae7 Re-implement r122936 with proper target hooks. Now getMaxStoresPerMemcpy 
etc. takes an option OptSize. If OptSize is true, it would return
the inline limit for functions with attribute OptSize.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122952 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 06:52:41 +00:00
Bill Wendling
a99ec28134 PR8919 - LLVM incorrectly generates "_alloca" as the stack probing call. That 
works only on MinGW32. On 64-bit, the function to call is "__chkstk".
Patch by KS Sreeram!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122934 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 00:50:34 +00:00
Bill Wendling
78d15761e4 PR8918 - When used with MinGW64, LLVM generates a "calll __main" at the 
beginning of the "main" function. The assembler complains about the invalid
suffix for the 'call' instruction. The right instruction is "callq __main".
Patch by KS Sreeram!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122933 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 00:47:10 +00:00
Chris Lattner
c010e61ae1 fix PR8900, a shuffle miscompilation. Patch by Nadav Rotem! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122921 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-05 22:28:46 +00:00
Chris Lattner
c46ec649b1 silence more self assignment warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122920 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-05 22:26:52 +00:00
Chris Lattner
54c6d6f42d fix some -Wself-assign warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122893 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-05 18:41:05 +00:00
Wesley Peck
3d2148f5ac Commit 122778 broke DWARF debug output when using the MBlaze backend. Fixed by overriding TargetFrameInfo::getFrameIndexOffset to take into account the new frame index information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122889 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-05 17:34:20 +00:00
Jakob Stoklund Olesen
631ee4b89f Use the EdgeBundles analysis in X86FloatingPoint instead of recomputing CFG 
bundles in the pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122833 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-04 21:10:11 +00:00