Evan Cheng
af42fe36ac
Fix PR2898. Spiller delete a store for reuse before it knows for sure the reuse happened.
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Patch by Lang Hames!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57720 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 20:56:41 +00:00
Chris Lattner
cfc14c153a
add support for 128 bit aggregates.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57715 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 19:59:51 +00:00
Bill Wendling
a9f0cc4ced
The Dwarf writer was comparing mangled and unmangled names for C++ code when we
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have an unreachable block in a function. This was triggering the assert. This is
a horrid hack to cover this up.
Oh! for a good debug info architecture!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57714 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 18:48:57 +00:00
Mon P Wang
c4d1021ead
Added MemIntrinsicNode which is useful to represent target intrinsics that
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touches memory and need an associated MemOperand
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57712 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 18:22:58 +00:00
Dan Gohman
8c1a6ca22a
Factor out the code for mapping LLVM IR condition opcodes to
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ISD condition opcodes into helper functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57710 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 18:18:45 +00:00
Chris Lattner
1fa7198f36
add support for 128 bit inputs on both x86-64 and x86-32.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57709 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 18:15:05 +00:00
Chris Lattner
3d0c4c4657
Fix a bug where the x86 backend would reject 64-bit r constraints when
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in 32-bit mode instead of assigning a register pair. This has nothing to
do with PR2356, but I happened to notice it while working on it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57704 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 17:59:52 +00:00
Chris Lattner
0c52644cd8
Fix PR2356 on PowerPC: if we have an input and output that are tied together
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that have different sizes (e.g. i32 and i64) make sure to reserve registers for
the bigger operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57699 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 17:52:49 +00:00
Evan Cheng
4b299d4ebd
Fix lfence and mfence encoding. These look like MRM5r and MRM6r instructions except they do not have any operands. The RegModRM byte is encoded with register number 0.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57692 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 17:14:20 +00:00
Evan Cheng
244911bdee
getX86RegNum has long been moved to X86RegisterInfo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57691 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 17:12:18 +00:00
Chris Lattner
81249c95ce
refactor some code into a helper method, no functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57690 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 17:05:25 +00:00
Chris Lattner
6bdcda3d3e
Keep track of *which* input constraint matches an output
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constraint. Reject asms where an output has multiple
input constraints tied to it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57687 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 16:47:46 +00:00
Chris Lattner
58f15c482a
add an assert so that PR2356 explodes instead of running off an
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array. Improve some minor comments, refactor some helpers in
AsmOperandInfo. No functionality change for valid code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57686 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 16:21:11 +00:00
Evan Cheng
6784598895
Fix a very subtle spiller bug: UpdateKills should not forget to track defs of aliases.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57673 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 06:16:07 +00:00
Chris Lattner
abec474236
add some simple hacky long double support for the CBE. This
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should work for intel long double, but ppc long double aborts
in convert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57672 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 06:11:48 +00:00
Dan Gohman
63f97201dc
Fun x86 encoding tricks: when adding an immediate value of 128,
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use a SUB instruction instead of an ADD, because -128 can be
encoded in an 8-bit signed immediate field, while +128 can't be.
This avoids the need for a 32-bit immediate field in this case.
A similar optimization applies to 64-bit adds with 0x80000000,
with the 32-bit signed immediate field.
To support this, teach tablegen how to handle 64-bit constants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57663 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 01:33:43 +00:00
Dan Gohman
74feef261a
Define patterns for shld and shrd that match immediate
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shift counts, and patterns that match dynamic shift counts
when the subtract is obscured by a truncate node.
Add DAGCombiner support for recognizing rotate patterns
when the shift counts are defined by truncate nodes.
Fix and simplify the code for commuting shld and shrd
instructions to work even when the given instruction doesn't
have a parent, and when the caller needs a new instruction.
These changes allow LLVM to use the shld, shrd, rol, and ror
instructions on x86 to replace equivalent code using two
shifts and an or in many more cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57662 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 01:23:35 +00:00
Dan Gohman
a1fcd77ccf
Use 0 instead of false to return a null pointer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57660 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-17 00:56:52 +00:00
Dan Gohman
f522068412
Trim #includes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57649 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 20:18:31 +00:00
Chris Lattner
cc4ba7834f
fix typo noticed by sdt
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57644 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 17:02:50 +00:00
Gabor Greif
023f84ecaf
Introduce a typing refinenement on tagged data
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using the 'volatile' qualifier. This should not have any operational consequences
on code, because tags should always be stripped off (giving a non-volatile pointer)
before dereferencing. The new qualification is there to catch some attempts to use
tagged pointers in a context where an untagged pointer is appropriate.
Notably this approach does not catch dereferencing of tagged pointers, but helps
in separating the two concepts a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57641 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 15:33:02 +00:00
Duncan Sands
e79f5ef4e7
Fix warnings about mb/me being potentially used
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uninitialized in these functions with gcc-4.3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57635 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 13:02:33 +00:00
Duncan Sands
ddbe5cbb10
Fix "large integer implicitly truncated to unsigned type"
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warning on x86-64 with gcc-4.3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57634 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 09:14:58 +00:00
Chris Lattner
a354825650
add some notes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57631 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 07:04:06 +00:00
Chris Lattner
c74092ba8f
add some notes and a file to collect unimplemented features in the
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x86 backend. These will all be answered with "patches welcome", so
a PR doesn't help drive them along.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57630 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 06:46:12 +00:00
Chris Lattner
0d5d05b553
mark some targets as experimental. Andrew, if you think that Alpha is
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basically working, feel free to remove the tag. The other targets have
really basic things that break them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57628 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 06:16:50 +00:00
Chris Lattner
d3745476de
Verify prefetch arguments, PR2576.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57626 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 06:00:36 +00:00
Chris Lattner
868510328f
apply Eli's patch for PR2165 and provide a testcase.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57625 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 05:26:51 +00:00
Dan Gohman
8e8b8a223c
Const-ify several TargetInstrInfo methods.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57622 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 01:49:15 +00:00
Dan Gohman
fcab2bd2f3
Remove an unused variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57621 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 01:47:47 +00:00
Dan Gohman
9a8af451a3
Fix Instruction::isIdenticalTo and isSameOperationAs to recognize
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additional information in Loads, Stores, Calls, Invokes,
InsertValueInsts, and ExtractValueInsts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57620 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 01:24:45 +00:00
Dan Gohman
131161bc6e
Rename AliasSet to SubRegs, to reflect changes in the surrounding code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57618 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 01:06:18 +00:00
Dan Gohman
7ddcadc7ee
Move the include of MachineLocation.h into MachineModuleInfo.h
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because it declares a std::vector<MachineMove>, and strict
concept checking requires the definition of MachineMove to be
available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57617 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 00:20:14 +00:00
Dan Gohman
b382c4dc23
Fix a subtle bug in DeadMachineInstructionElim's liveness
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computation. A def of a register doesn't necessarily kill
live super-registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57614 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 00:11:23 +00:00
Dan Gohman
a7250ddc28
Fix the predicate for memop64 to be a regular load, not just
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an unindexed load.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57612 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-16 00:03:00 +00:00
Dan Gohman
2276a7bc8e
Teach instcombine's visitLoad to scan back several instructions
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to find opportunities for store-to-load forwarding or load CSE,
in the same way that visitStore scans back to do DSE. Also, define
a new helper function for testing whether the addresses of two
memory accesses are known to have the same value, and use it in
both visitStore and visitLoad.
These two changes allow instcombine to eliminate loads in code
produced by front-ends that frequently emit obviously redundant
addressing for memory references.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57608 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 23:19:35 +00:00
Dan Gohman
95c2cc51eb
Correct the name of isTrapping in comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57606 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 22:56:21 +00:00
Anton Korobeynikov
d13726f1e9
Also properly handle linking of strong alias and weak global
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57595 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 20:10:50 +00:00
Anton Korobeynikov
e655e37032
Properly handle linking of strong alias with weak function, this fixes PR2883
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57594 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 20:10:08 +00:00
Dan Gohman
2b6c3d9ff1
Fix a missing space after the return type in invoke statements.
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This fixes PR2894.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57589 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 18:02:08 +00:00
Chris Lattner
3b364cb986
move PR1941 here.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57586 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 16:33:52 +00:00
Chris Lattner
db03983238
move PR1604 here.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57582 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 16:06:03 +00:00
Chris Lattner
f4fee2a976
move PR1488 into this file.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57579 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 16:02:15 +00:00
Nuno Lopes
8a5f34776e
regenerate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57577 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 12:05:02 +00:00
Nuno Lopes
f2bd650fdf
fix memleak in GetForwardRefForGlobal()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57576 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 12:04:36 +00:00
Nuno Lopes
f05ff66a22
regenerate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57575 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 11:20:21 +00:00
Nuno Lopes
ee87b3b6d9
fix memleak in getTypeVal()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57574 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 11:19:34 +00:00
Nuno Lopes
6ec8a25b27
regenerate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57573 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 11:11:12 +00:00
Nuno Lopes
0ecaf52796
fix memleak in ResolveTypeTo()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57572 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 11:10:21 +00:00
Dan Gohman
3358629380
Now that predicates can be composed, simplify several of
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the predicates by extending simple predicates to create
more complex predicates instead of duplicating the logic
for the simple predicates.
This doesn't reduce much redundancy in DAGISelEmitter.cpp's
generated source yet; that will require improvements to
DAGISelEmitter.cpp's instruction sorting, to make it more
effectively group nodes with similar predicates together.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57565 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 06:50:19 +00:00
Chris Lattner
740e709d0d
regenerate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57561 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 06:16:57 +00:00
Chris Lattner
c7e3069bfa
Fix the .ll grammar rules to allow any type before an 'i32', not just an
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integer type. Invalid things like 'float 42' are now rejected by the
semantic analysis in the productions not the parser. This fixes PR2733.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57560 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 06:16:45 +00:00
Chris Lattner
f9078f99d9
regenerate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57559 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 06:03:48 +00:00
Chris Lattner
22b92e3b86
Eliminate the "IntType ::= INTTYPE" production, just use
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INTTYPE everywhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57558 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 06:03:37 +00:00
Chris Lattner
b7fe708b32
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57557 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 05:53:25 +00:00
Chris Lattner
241ab47ac1
add support for folding immediates into stores when they
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are due to argument passing in calls. This is significant because
it hits all immediate arguments to calls on x86-32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57556 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 05:38:32 +00:00
Chris Lattner
438949aa9d
fold immediates into stores in simple cases, this produces diffs like
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this:
- movl $0, %eax
- movl %eax, _yy_n_chars
+ movl $0, _yy_n_chars
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57555 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 05:30:52 +00:00
Chris Lattner
d53886bb48
fold compare of null pointer into compare with 0.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57553 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 05:18:04 +00:00
Chris Lattner
160f6cc209
Some minor cleanups:
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1. Compute action in X86SelectSelect based on MVT instead of type.
2. Use TLI.getValueType(..) instead of MVT::getVT(..) because the former
handles pointers and the later doesn't.
3. Don't pass TLI into isTypeLegal, since it already has access to it as
an ivar.
#2 gives fast isel some minor new functionality: handling load/stores of
pointers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57552 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 05:07:36 +00:00
Chris Lattner
45ac17f521
Use switch on VT instead of Type* comparisons.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57551 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 04:32:45 +00:00
Chris Lattner
51ccb3deba
Use X86FastEmitCompare for FCMP_OEQ and FCMP_UNE: it doesn't
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change the generated code, but makes the code simpler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57550 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 04:29:23 +00:00
Chris Lattner
9a08a61d79
refactor compare emission out into a new X86FastEmitCompare method,
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which makes it easy to share the compare/imm folding logic with 'setcc'.
This shaves a bunch of instructions off the common select case, which
happens a lot in llvm-gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57549 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 04:26:38 +00:00
Chris Lattner
0e13c78347
Fold immediates into compares when possible, producing "cmp $4, %eax" instead of
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loading 4 into a register and then doing the compare.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57548 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 04:13:29 +00:00
Chris Lattner
709d829d3c
more minor refactoring of X86SelectBranch, no functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57547 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 04:02:26 +00:00
Chris Lattner
871d246fd4
factor buildmi calls in X86SelectBranch
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57546 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 03:58:05 +00:00
Chris Lattner
8aeeeb9d24
factor some more BuildMI's in X86SelectCmp
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57545 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 03:52:54 +00:00
Chris Lattner
54aebde0be
factor some BuildMI calls, no functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57544 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 03:47:17 +00:00
Dan Gohman
26367472a2
Adjust whitespace in debug messages to be more consistent
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with other debug messages.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57543 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 02:57:38 +00:00
Evan Cheng
7f04268176
- Add target lowering hooks that specify which setcc conditions are illegal,
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i.e. conditions that cannot be checked with a single instruction. For example,
SETONE and SETUEQ on x86.
- Teach legalizer to implement *illegal* setcc as a and / or of a number of
legal setcc nodes. For now, only implement FP conditions. e.g. SETONE is
implemented as SETO & SETNE, SETUEQ is SETUO | SETEQ.
- Move x86 target over.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57542 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15 02:05:31 +00:00
Dan Gohman
dd5b58ad7b
FastISel support for exception-handling constructs.
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- Move the EH landing-pad code and adjust it so that it works
with FastISel as well as with SDISel.
- Add FastISel support for @llvm.eh.exception and
@llvm.eh.selector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57539 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 23:54:11 +00:00
Daniel Dunbar
76dea9547d
Prevent assert when using '"' in names (via hexadecimal).
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Update LangRef to mention \xx quoting in names.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57538 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 23:51:43 +00:00
Daniel Dunbar
cad3580e99
Change getLLVMName to use raw_ostream & PrintLLVMName.
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- Avoids duplicated quotification code.
- Remove QuoteNameIfNeeded.
- No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57537 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 23:28:09 +00:00
Dale Johannesen
2194d46624
Accept -march=i586, because gcc does (a synonym
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for pentium). Fixes
gcc.target/i386/20000720-1.c
gcc.target/i386/pr26826.c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57528 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 22:06:33 +00:00
Evan Cheng
0329466b6b
Rename LoadX to LoadExt.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57526 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 21:26:46 +00:00
Jim Grosbach
2642196a65
Update ARM Insn encoding to get endian-ness to match the documentation (31-0 left to right)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57524 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 20:36:24 +00:00
Dan Gohman
b8cab9227a
Fix command-line option printing to print two spaces where needed,
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instead of requiring all "short description" strings to begin with
two spaces. This makes these strings less mysterious, and it fixes
some cases where short description strings mistakenly did not
begin with two spaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57521 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 20:25:08 +00:00
Evan Cheng
403006205f
Combine (fcmp cc0 x, y) | (fcmp cc1 x, y) into a single fcmp when possible.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57515 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 18:44:08 +00:00
Evan Cheng
4990b257dd
- Somehow I forgot about one / une.
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- Renumber fcmp predicates to match their icmp counterparts.
- Try swapping operands to expose more optimization opportunities.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57513 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 18:13:38 +00:00
Evan Cheng
552e3be775
Fix indentation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57508 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 17:15:39 +00:00
Evan Cheng
8db90725cb
Optimize anding of two fcmp into a single fcmp if the operands are the same. e.g. uno && ueq -> ueq
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ord && olt -> olt
ord && ueq -> oeq
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57507 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 17:15:11 +00:00
Nuno Lopes
c8ed902298
little optimization: reuse getPointerToGlobalIfAvailable(CGV) value in emitGlobals()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57484 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-14 10:04:52 +00:00
Dan Gohman
7b8e96401c
When doing the very-late shift-and address-mode optimization,
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create a new DAG node to represent the new shift to keep the
DAG consistent, even though it'll almost always be folded into
the address.
If a user of the resulting address has multiple uses, the
nodes may get revisited by a later MatchAddress call, in which
case DAG inconsistencies do matter.
This fixes PR2849.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57465 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-13 20:52:04 +00:00
Evan Cheng
efa533957d
FIX PR2794. Make sure SIGN_EXTEND_INREG nodes introduced by LegalizeSetCCOperands are leglized. Patch by Richard Pennington.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57460 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-13 18:46:18 +00:00
Evan Cheng
195cd3a58d
Also update sub-register intervals after a trivial computation is rematt'ed for a copy instruction. PR2775.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57458 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-13 18:35:52 +00:00
Matthijs Kooijman
7e6d9b96ad
Make InstructionCombining::getBitCastOperand() recognize GEP instructions and
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constant expression with all zero indices as being the same as a bitcast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57442 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-13 15:17:01 +00:00
Matthijs Kooijman
d9d07780ff
* Make TargetLowering not crash when TargetMachine::getTargetAsmInfo() returns
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null. This assumes that any target that does not have AsmInfo, does not
support "LocAndDot".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57438 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-13 12:41:46 +00:00
Matthijs Kooijman
e2b997b7b5
Make MachineFunction not crash when TargetMachine::getRegisterInfo() returns
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NULL, but just hide some debug output then.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57437 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-13 12:37:16 +00:00
Gabor Greif
e9324f3605
do not use deprecated interfaces
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57433 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-13 10:21:17 +00:00
Nick Lewycky
cb8f1b5b8b
Disallow the construction of SCEVs with could-not-compute operands. Catch CNCs
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returned by BinomialCoefficient and don't try to operate with them. This
replaces the previous fix for PR2857.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57431 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-13 03:58:02 +00:00
Chris Lattner
44d2a983b7
calls can be supported.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57428 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-13 01:59:13 +00:00
Dale Johannesen
51b7f8268b
Change TAG_ names to DW_TAG for gcc (testsuite) compatibility.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57425 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12 21:23:01 +00:00
Owen Anderson
d55fccde4c
Fix a bug in live-in detection that caused lost-copy problems to show up.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57424 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12 20:39:30 +00:00
Anton Korobeynikov
d21a6305ea
Update size of inst correctly with segment override.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57414 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12 10:30:11 +00:00
Owen Anderson
b5cf048fdf
Add special-case code to allow null-guards on calls to malloc.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57413 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12 08:10:46 +00:00
Owen Anderson
4b089929b4
Make Escape Analysis work for any pointer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57412 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12 07:33:29 +00:00
Dale Johannesen
ba0fb07156
Change Dwarf comments starting with AT_ to DW_AT_ to
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match gcc. Helps with the testsuite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57410 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12 06:20:47 +00:00
Owen Anderson
5efff7735d
Fix crashes and infinite loops.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57408 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12 06:03:38 +00:00
Owen Anderson
4382f62a05
Duncan convinced me that it's not possible to transform control-based escapes into
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data-based ones. Just be conservative when analyzing control-based escapes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57400 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-12 03:59:45 +00:00
Chris Lattner
99cbdff66c
fix typo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57388 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-11 23:59:03 +00:00
Chris Lattner
a6321b40c2
Fix PR2697 by rewriting the '(X / pos) op neg' logic. This also changes
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a couple other cases for clarity, but shouldn't affect correctness.
Patch by Eli Friedman!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57387 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-11 22:55:00 +00:00
Chris Lattner
e563bbc312
Change CALLSEQ_BEGIN and CALLSEQ_END to take TargetConstant's as
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parameters instead of raw Constants. This prevents the constants from
being selected by the isel pass, fixing PR2735.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57385 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-11 22:08:30 +00:00
Chris Lattner
119c30b955
rearrange some code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57384 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-11 22:07:19 +00:00
Duncan Sands
a4bb48adc3
Fix comment typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57381 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-11 19:34:24 +00:00
Anton Korobeynikov
ef93cecd80
Add ability to override segment (mostly for code emitter purposes).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57380 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-11 19:09:15 +00:00
Daniel Dunbar
ce91ec285d
Unbreak DbgStopPointInst::getFileName().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57373 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-11 06:40:56 +00:00
Chris Lattner
3c26101669
simplify comparison
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57371 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-11 00:08:02 +00:00
Dale Johannesen
e397acce9d
Fix SSE4.1 roundss, roundsd. While the instructions have
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the same pattern as roundpd/roundps, the Intel compiler
builtins do not: rounds* has an extra operand. Fixes
gcc.target/i386/sse4_1-rounds[sd]-[1234].c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57370 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 23:51:03 +00:00
Devang Patel
fc19fbd2ca
Check loop exit predicate properly while eliminating one iteration loop.
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This patch fixes PR 2869
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57369 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 22:02:57 +00:00
Anton Korobeynikov
875314bb52
Fix a thinko and unbreak sparc default CC
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57368 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 21:47:37 +00:00
Dale Johannesen
8b1e054938
Remove some overzealous checks that were rejecting
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valid comments in inline assembly.
gcc.target/i386/20011009-1.c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57365 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 21:04:42 +00:00
Anton Korobeynikov
df75bbae94
Extend set of return registers on sparc until someone will implement MRV support there. At least, this will allow libgcc compile, however we are not ABI-compatible with stuff compiled with native gcc.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57364 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 20:30:14 +00:00
Anton Korobeynikov
4cf5e2eb6c
Ignore extra 'r' modifier for now
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57363 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 20:29:50 +00:00
Anton Korobeynikov
4b58b6a5b4
Use expand for smul_lohi for now
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57362 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 20:29:31 +00:00
Anton Korobeynikov
0eefda1335
Add rudimentary support for 'r' register operand
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57359 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 20:28:10 +00:00
Anton Korobeynikov
53835708e1
Cleanup
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57358 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 20:27:31 +00:00
Oscar Fuentes
fc62ffc154
CMake: updated lib/Analysis/CMakeLists.txt.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57357 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 18:51:36 +00:00
Mon P Wang
77fcca845e
Revert r57340 move guard mutex in getPointerToFunction as this can cause
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deadlock issues with java
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57356 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 18:07:10 +00:00
Nuno Lopes
7cdd9ee088
fix memleak by cleaning the global sets on pass exit
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57353 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 16:25:50 +00:00
Anton Korobeynikov
f369330c2d
Add rudimentary asmprinter support for printing inline asm operands for sparc.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57346 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 10:15:03 +00:00
Anton Korobeynikov
2fcfd83cb4
Add dummy 'm' inline asm constraint handler for Sparc. I'm not sure, whether it is correct, however :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57345 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 10:14:47 +00:00
Anton Korobeynikov
a43e51d0fe
Cleanup
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57344 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 10:14:15 +00:00
Owen Anderson
8f28c78e95
Add a basic intra-procedural escape analysis. This hasn't be extensively tested yet, but feedback is welcome.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57342 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 08:36:25 +00:00
Mon P Wang
1c341c8462
Moved guard mutex upwards to guard materializing a function
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in getPointerToFunction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57340 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 01:47:42 +00:00
Mon P Wang
5ca6bd14a0
Added missing print functions that take a raw_ostream
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57339 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10 01:43:55 +00:00
Dale Johannesen
236bbd4146
Generated files for previous checkin.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57331 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-09 23:01:34 +00:00
Dale Johannesen
23a98551ab
Add a "loses information" return value to APFloat::convert
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and APFloat::convertToInteger. Restore return value to
IEEE754. Adjust all users accordingly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57329 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-09 23:00:39 +00:00
Dale Johannesen
7111b02c73
Rename APFloat::convertToAPInt to bitcastToAPInt to
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make it clearer what the function does. No functional
change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57325 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-09 18:53:47 +00:00
Nick Lewycky
a6bf66d0d6
Don't drop alignment on globals when cloning.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57320 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-09 06:27:14 +00:00
Chris Lattner
d2a27ee974
get CodeGen/Alpha/mul128.ll to work.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57318 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-09 04:50:56 +00:00
Dale Johannesen
d65b26495d
Align EH tables before label is emitted, not after,
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thus aligning the label.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57310 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-08 21:50:21 +00:00
Dale Johannesen
585457e37e
(re)Put const weak strings in appropriate section on Darwin.
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g++dg/abi/key2.C
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57309 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-08 21:49:47 +00:00
Nuno Lopes
7a85a62f50
dont specialize weak functions and the like
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57305 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-08 18:45:59 +00:00
Jim Grosbach
309c80adb5
Comment to be explicit that the enumeration values for CondCodes matter.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57295 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-08 16:24:35 +00:00
Duncan Sands
43d9c8cd56
Use template to distinguish between function variants.
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GCC 4.4.0 gives an error on the "int" declaration for example
saying that it has already been declared (using the "short"
one). Using templates here allow the compiler to distinguish
between the function to choose.
Also, "llvm/Support/DataTypes.h" was not included, leading to
error messages about not knowing "uint32_t" for example.
Patch by Samuel Tardieu.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57292 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-08 07:44:52 +00:00
Duncan Sands
4520dd2b7b
Add <cstdio> include where needed by gcc-4.4.
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Patch by Samuel Tardieu.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57291 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-08 07:23:46 +00:00
Chris Lattner
9fc4da40ef
regenerate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57290 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-08 06:44:45 +00:00
Chris Lattner
cd16843499
Add missing semicolumns in parser rules, those missing semicolumns
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are required to compile with the latest Bison.
Patch by Samuel Tardieu!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57289 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-08 06:44:36 +00:00
Chris Lattner
de17ddc65f
Add parentheses to avoid warnings in GCC 4.4.0,
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patch by Samuel Tardieu!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57288 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-08 06:42:28 +00:00
Owen Anderson
04764deac8
Fix the case where an instruction is not properly marked as using all registers that alias its inputs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57286 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-08 04:30:51 +00:00
Dan Gohman
eb0d6abee3
Remove -disable-fast-isel. Use cl::boolOrDefault with -fast-isel
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instead.
So now: -fast-isel or -fast-isel=true enable fast-isel, and
-fast-isel=false disables it. Fast-isel is also on by default
with -fast, and off by default otherwise.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57270 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-07 23:00:56 +00:00
Dan Gohman
8c3f8b6dea
Add MBB successors and physreg Uses in the same order that
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SDISel typically adds them in. This makes it a little easier
to compare FastISel output with SDISel output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57266 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-07 22:10:33 +00:00
Dan Gohman
1e9e8c3bd5
Avoid emitting redundant materializations of integer constants
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for things like null pointers, which at this level aren't
different from regular integer constants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57265 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-07 22:03:27 +00:00
Dan Gohman
145b828014
Instead of emitting an implicit use for the super-register of
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X86::CL that was used, emit an EXTRACT_SUBREG from the CL
super-register to CL. This more precisely describes how the
CL register is being used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57264 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-07 21:50:36 +00:00
Jim Grosbach
76e9661b6c
Unconditional branch instruction encoding fix. Needs to use ABI, not AXI, to get the proper opcode bits.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57262 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-07 21:08:09 +00:00
Jim Grosbach
cbc47b8934
need ARM.h for ARMCC definition
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57261 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-07 21:01:51 +00:00
Owen Anderson
95dad830bb
Add an option to enable StrongPHIElimination, for ease of testing.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57259 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-07 20:22:28 +00:00
Jim Grosbach
3341262de2
Encode the conditional execution predicate when JITing.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57258 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-07 19:05:35 +00:00
Dale Johannesen
2cb48eaeb8
Model hardwired inputs & outputs of x86 8-bit divides correctly.
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Fixes local RA miscompilation of gcc.c-torture/execute/20020904-1.c -O0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57257 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-07 18:54:28 +00:00
Andrew Lenharth
2163ca11d5
Use Dan's supperior check
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57255 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-07 18:27:23 +00:00
Andrew Lenharth
82cf32e5ef
Correctly set attributes when removing args during cloning. Fixes PR2765
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57254 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-07 18:08:38 +00:00