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Author SHA1 Message Date
Jim Grosbach
91c0aebe68 Change to use FileCheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85695 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:16:14 +00:00
Jim Grosbach
0e5c9beeed Make tests more explicit about which instructions are expected. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85694 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:14:17 +00:00
Jim Grosbach
6b0b4b3eaf Grammar tweak to comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85693 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:12:44 +00:00
Chris Lattner
fb6e701f08 Make sure PRE doesn't split crit edges from indirectbr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85692 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:11:15 +00:00
Jim Grosbach
199a4b4c70 Update test to be more explicit about what instruction sequences are expected for each operation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85691 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:10:38 +00:00
Chris Lattner
a4b04210d4 llvm::SplitEdge should refuse to split an edge from an indirectbr. 
Fix CodeGenPrepare to not try to split edges from indirectbr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85690 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:04:43 +00:00
Jim Grosbach
07d236ba88 Update test to be more explicit about what instruction sequences are expected for each operation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85689 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 21:52:58 +00:00
Chris Lattner
1b98ff3e4f update the comment above llvm::SplitCriticalEdge, and make 
it abort on IndirectBrInst as describe in the comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85688 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 21:51:10 +00:00
Jim Grosbach
bcf2f2c159 Expand 64-bit logical shift right inline 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85687 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 21:42:19 +00:00
Jim Grosbach
b4a976c304 Expand 64-bit arithmetic shift right inline 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85685 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 21:00:56 +00:00
Dan Gohman
b953c944b6 Fix a missing newline in the dwarf output code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85684 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 20:59:09 +00:00
Dan Gohman
0ba90f3e34 Make -print-machineinstrs more readable. 
- Be consistent when referring to MachineBasicBlocks: BB#0.
 - Be consistent when referring to virtual registers: %reg1024.
 - Be consistent when referring to unknown physical registers: %physreg10.
 - Be consistent when referring to known physical registers: %RAX
 - Be consistent when referring to register 0: %reg0
 - Be consistent when printing alignments: align=16
 - Print jump table contents.
 - Don't print host addresses, in general.
 - and various other cleanups.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85682 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 20:19:03 +00:00
Dan Gohman
499a9377a3 Factor out more code into addCommonCodeGenPasses. The JIT wasn't 
previously running CodePlacementOpt. Also print headers before
each dump in -print-machineinstrs mode, so that it's clear which
dump is which.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85681 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 20:17:39 +00:00
Chris Lattner
c1dc35094e adjust a couple xforms to work with null bb's in BlockAddress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85680 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 20:13:24 +00:00
Chris Lattner
7d83ebcadd Make blockaddress(@func, null) be valid, and make 'deleting a basic 
block with a blockaddress still referring to it' replace the invalid 
blockaddress with a new blockaddress(@func, null) instead of a 
inttoptr(1).

This changes the bitcode encoding format, and still needs codegen 
support (this should produce a non-zero value, referring to the entry
block of the function would also be quite reasonable).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85678 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 20:08:37 +00:00
Benjamin Kramer
e3246fc6ab Force triple; darwin's ASM syntax differs from linux's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85676 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 19:54:06 +00:00
Jim Grosbach
c2b879fcfe Expand 64 bit left shift inline rather than using the libcall. For now, this 
is unconditional. Making it still use the libcall when optimizing for size
would be a good adjustment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85675 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 19:38:01 +00:00
Benjamin Kramer
823bdbc770 Add missing colons for FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85674 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 19:22:24 +00:00
Jim Grosbach
4a26092248 Convert to FileCheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85673 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 19:06:53 +00:00
Jim Grosbach
58c4723662 The universal SDKROOT should only be assigned when hosted. Otherwise the 
SDKROOT can refer to the target when we're building for the host.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85672 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 18:00:10 +00:00
Chris Lattner
28f3d34a9b add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85671 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 17:48:31 +00:00
Dan Gohman
438b583dbd Revert r85667. LoopUnroll currently can't call utility functions which 
auto-update the DominatorTree because it doesn't keep the DominatorTree
current while it works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85670 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 17:33:01 +00:00
Dan Gohman
dca094100b Remove redundant code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85668 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 16:16:41 +00:00
Dan Gohman
f230d8ad15 Merge the enhancements from LoopUnroll's FoldBlockIntoPredecessor into 
MergeBlockIntoPredecessor. This makes SimplifyCFG slightly more aggressive,
and makes it unnecessary for LoopUnroll to have its own copy of this code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85667 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 16:08:00 +00:00
Dan Gohman
4c7279ac72 Rename forgetLoopBackedgeTakenCount to forgetLoop, because it 
clears out more information than just the stored backedge taken count.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85664 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 15:04:55 +00:00
Dan Gohman
a2aabe38ae Replace LoopUnrollPass.cpp's custom code-size estimation code using 
the new common CodeMetrics code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85663 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 14:54:17 +00:00
Dan Gohman
b56c966019 Simplify this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85662 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 14:46:50 +00:00
Dan Gohman
3f9432ebca Remove an unnecessary #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85661 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 14:39:43 +00:00
Dan Gohman
13d63f2d26 Update CMakeLists for recent renames. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85660 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 14:38:25 +00:00
Dan Gohman
928a75f057 Rename UnrollLoop.cpp to LoopUnroll.cpp, and LoopUnroll.cpp to 
LoopUnrollPass.cpp, for consistency with other passes which are
similarly split.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85659 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 14:37:31 +00:00
Dan Gohman
9f476e3179 Remove CodeGenLICM. It's largely obsoleted by MachineLICM's new ability 
to unfold loop-invariant loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85657 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 14:35:41 +00:00
Dan Gohman
576fd76a68 Make ScalarEvolutionAliasAnalysis slightly more aggressive, by making an 
underlying alias call even for non-identified-object values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85656 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 14:32:25 +00:00
Dan Gohman
5b097014f2 Reapply r85634, with the bug fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85655 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 14:22:52 +00:00
Dan Gohman
75832d7d4f When discarding SrcValue information, discard all of it so that code 
that uses this information knows to behave conservatively.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85654 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 14:14:04 +00:00
Dan Gohman
60d686df54 Fix 80-column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85653 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 14:12:53 +00:00
Eric Christopher
cdfa666c30 Fix warning with gcc-4.0 and signed/unsigned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85648 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 09:24:35 +00:00
Evan Cheng
9eda68988e It's safe to remat t2LDRpci; Add PseudoSourceValue to load / store's to enable more machine licm. More changes coming. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85643 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 03:39:36 +00:00
Evan Cheng
a4006c6dbf Revert 85634. It's breaking consumer-typeset (and others). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85641 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 01:28:06 +00:00
Dan Gohman
c933acf096 Add a target triple so that this test behaves consistently across hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85640 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 00:15:28 +00:00
Dan Gohman
1410b7620a Add assertion checks here to turn silent miscompiles into aborts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85639 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 23:59:06 +00:00
Dan Gohman
4cddfd9b6f Don't mark registers dead here when processing nodes with MVT::Flag 
results. This works around a problem affecting targets which rely on
MVT::Flag to handle physical register defs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85638 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 23:57:47 +00:00
Dan Gohman
0437a06ea6 Fix the -mattr line for this test so that it passes on hosts that lack SSSE3. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85637 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 23:18:27 +00:00
Dan Gohman
cf35517c4e Add a testcase for the recent duplicate PHI elimination changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85636 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 23:16:10 +00:00
Dan Gohman
0e747beb3c Add a comment about a missed opportunity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85635 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 23:15:43 +00:00
Dan Gohman
1107c63efe Optimize around the fact that pred_iterator is slow: instead of sorting 
PHI operands by the predecessor order, sort them by the order used by the
first PHI in the block. This is still suffucient to expose duplicates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85634 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 23:15:21 +00:00
Kevin Enderby
9c41fa87ea Updates to the ARM target assembler for llvm-mc per review comments from 
Daniel Dunbar.
- Reordered the fields in the ARMOperand Mem struct to make the struct smaller.
Making bool's into 1 bit fields and put the MCExpr* fields adjacent to each
other.
- Fixed a number of places in ARMAsmParser.cpp so they have doxygen comments.
- Change the name of ARMAsmParser::ParseRegister() to MaybeParseRegister and
added the bool ParseWriteBack parameter.
- Changed ARMAsmParser::ParseMemory() to call MaybeParseRegister().
- Added ARMAsmParser::ParseMemoryOffsetReg to factor out parsing the offset of a
memory operand.  And use it for both parsing both preindexed and post indexing
addressing forms in ARMAsmParser::ParseMemory.
- Changed the first argument to ParseShift() to a reference.
- Changed ParseShift() to check for Rrx first and return to reduce nesting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85632 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 22:55:57 +00:00
Devang Patel
5e8e2d7ad9 If string field is empty then return NULL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85630 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 22:52:47 +00:00
Chris Lattner
dac8bde235 if basic blocks are destroyed while there are *just* BlockAddress' hanging 
around, then zap them.  This is analogous to dangling constantexprs hanging
off functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85627 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 22:39:36 +00:00
Dan Gohman
2c63566e40 Teach SimplifyCFG how to eliminate duplicate PHI nodes within a block. 
This reduces codesize on a variety of codes by 1-2% on x86-64. It also
helps clean up after SSAUpdater.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85626 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 22:39:04 +00:00
Chris Lattner
3821176b2e make hasAddressTaken() constant time by storing a refcount in BB's subclass data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85625 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 22:33:29 +00:00