Dan Gohman
38ac062c2f
Fold trivial two-operand tokenfactors where the operands are equal
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immediately.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56921 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 15:11:19 +00:00
Dan Gohman
10b49489bf
Don't prepend a space character for constants in Value::print.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56920 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 15:09:37 +00:00
Dan Gohman
929d3eb171
Fix typos in comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56919 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 15:07:49 +00:00
Dan Gohman
e7891c705c
nounwind-ify this test.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56918 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 15:07:14 +00:00
Nuno Lopes
86364023e6
revert the addition of Preverves(CallGraph), per Duncan's comments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56917 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 09:13:40 +00:00
Dan Gohman
2662d55866
Mark CALL instructions as having a Use of ESP/RSP.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56911 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 04:14:30 +00:00
Dan Gohman
e4c38bac31
Don't leave an output file in the test directory.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56910 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 04:13:23 +00:00
Dan Gohman
586b7b7547
Call ScalarEvolution's deleteValueFromRecords before deleting an
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instruction, not after. This fixes some uses of free'd memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56908 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 02:02:03 +00:00
Bill Wendling
ae595dc9da
Moved this option to the front-end.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56901 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 01:02:18 +00:00
Bill Wendling
6158d8492c
Implement the -fno-builtin option in the front-end, not in the back-end.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56900 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 00:59:58 +00:00
Dan Gohman
70695fee51
Use explicit target-triples to unbreak this test on non-darwin systems.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56896 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 00:25:38 +00:00
Owen Anderson
05472ee54b
Mark merged-in VNInfo's as being PHIKilled.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56893 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 23:58:47 +00:00
Owen Anderson
309c6162c6
Fix a simple error in renumbering kill markaers, that took an inordinant amount of time to track down.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56889 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 22:51:54 +00:00
Bill Wendling
6e08738d4b
Just don't transform this memset into "bzero" if no-builtin is specified.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56888 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 22:05:33 +00:00
Nuno Lopes
0483d018c4
add preserversCFG() + preservers(CallGraph)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56887 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 22:04:30 +00:00
Bill Wendling
fd8ca5a0ef
- Initialize "--no-builtin" to "false".
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- Testcase for r56885.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56886 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 21:40:30 +00:00
Bill Wendling
6f287b22d2
Add the new `-no-builtin' flag. This flag is meant to mimic the GCC
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`-fno-builtin' flag. Currently, it's used to replace "memset" with "_bzero"
instead of "__bzero" on Darwin10+. This arguably violates the meaning of this
flag, but is currently sufficient. The meaning of this flag should become more
specific over time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56885 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 21:22:07 +00:00
Dan Gohman
5ec9efd61b
Move the primary fast-isel top-level comments to FastISel.cpp, where
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they'll be a little more visible. Also, update and reword them a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56877 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 20:48:29 +00:00
Nuno Lopes
dd7c3e4e56
add AU.setPreservesCFG() since this pass only adds and removes function attributes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56868 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 18:34:38 +00:00
Dan Gohman
f06c835f76
Optimize SelectionDAG's AssignTopologicalOrder even further.
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Completely eliminate the TopOrder std::vector. Instead, sort
the AllNodes list in place. This also eliminates the need to
call AllNodes.size(), a linear-time operation, before
performing the sort.
Also, eliminate the Sources temporary std::vector, since it
essentially duplicates the sorted result as it is being
built.
This also changes the direction of the topological sort
from bottom-up to top-down. The AllNodes list starts out in
roughly top-down order, so this reduces the amount of
reordering needed. Top-down is also more convenient for
Legalize, and ISel needed only minor adjustments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56867 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 18:30:35 +00:00
Nuno Lopes
21420dfae1
ignore generated files
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56866 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 18:15:04 +00:00
Evan Cheng
18314dc741
Add runStaticConstructorsDestructors which runs ctors / dtors of a single module. Patch by David Chisnall.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56849 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 15:51:21 +00:00
Evan Cheng
dc37786595
Re-apply 56835 along with header file changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56848 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 15:44:16 +00:00
Duncan Sands
f3b23188d5
Stacker is dead.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56844 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 15:18:29 +00:00
Duncan Sands
46292be362
Revert commit 56835 since it breaks the build.
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"If a re-materializable instruction has a register
operand, the spiller will change the register operand's
spill weight to HUGE_VAL to avoid it being spilled.
However, if the operand is already in the queue ready
to be spilled, avoid re-materializing it".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56837 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 10:00:30 +00:00
Evan Cheng
d41474d2c0
If a re-materializable instruction has a register operand, the spiller will change the register operand's spill weight to HUGE_VAL to avoid it being spilled. However, if the operand is already in the queue ready to be spilled, avoid re-materializing it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56835 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 06:36:58 +00:00
Nick Lewycky
a06cf82a7b
Fix misoptimization of: xor i1 (icmp eq (X, C1), icmp s[lg]t (X, C2))
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56834 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 06:08:34 +00:00
Dan Gohman
5396c99baa
Fix X86FastISel's output for x86-32 PIC constant pool addresses.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56829 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 01:21:32 +00:00
Dan Gohman
57c3dac0df
Move the GlobalBaseReg field out of X86ISelDAGToDAG.cpp
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and X86FastISel.cpp into X86MachineFunction.h, so that it
can be shared, instead of having each selector keep track
of its own.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56825 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 00:58:23 +00:00
Dan Gohman
9b66d73bb1
Disable all x87 usage, including f32 and f64 when the subtarget
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doesn't have SSE(2), with X86FastISel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56823 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30 00:48:39 +00:00
Dale Johannesen
71d1bf55a2
Remove misuse of ReplaceNodeResults for atomics with
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valid types. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56808 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 22:25:26 +00:00
Dan Gohman
a43abd102f
Fix FastISel to not initialize the PIC-base register multiple times
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in functions with PIC references from more than one basic block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56807 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 21:55:50 +00:00
Dan Gohman
7962e856d1
Fix an over-pessimization about GlobalVariable addresses in X86FastISel.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56802 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 21:13:15 +00:00
Devang Patel
652203f3f3
Support inreg, zext and sext as return value attributes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56801 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 20:49:50 +00:00
Devang Patel
66c6c65de2
Fix grammar.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56796 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 18:34:44 +00:00
Devang Patel
c580144f41
Fix grammer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56795 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 18:16:38 +00:00
Devang Patel
12602059a1
Fix sentence.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56794 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 18:16:09 +00:00
Evan Cheng
d47e0b664f
Fix PR2835. Do not change the width of a volatile load.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56792 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 17:26:18 +00:00
Duncan Sands
6cccf03d02
Speed up these passes when the callgraph has
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huge simply connected components. Suggested
by Chris.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56787 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 14:59:04 +00:00
Nuno Lopes
5ed3b894c9
remove redundant test (mayBeOverriden() includes hasLinkOnceLinkage)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56786 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 14:40:32 +00:00
Duncan Sands
224c86ee77
Tweak some comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56784 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 13:35:31 +00:00
Matthijs Kooijman
6aa812704f
Add some hands-on documentation about which files to create and edit when
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adding a backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56783 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 11:52:22 +00:00
Duncan Sands
5df3186f59
Rename isWeakForLinker to mayBeOverridden. Use it
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instead of hasWeakLinkage in a bunch of optimization
passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56782 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 11:25:42 +00:00
Matthijs Kooijman
7ab5799f75
Add a testcase showing that scalarrepl supports first class structs.
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I originally made this script to show that scalarrepl didn't support them, but
it turned out it does. Better to still add the testcase then.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56781 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 10:42:13 +00:00
Dan Gohman
31bd42bc63
Move the code that handles DAGISel error conditions into
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helper functions instead of duplicating it inline each time
it is needed. This eliminates a few hundred or so copies
of this code in each target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56759 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-27 23:53:14 +00:00
Daniel Dunbar
7a3ec1e148
Add IRBuilder::{CreateIsNull, CreateIsNonNull} helper methods.
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- I'm open to the idea that these could have better names. I think
these read better than CreateEQNull and CreateNENull.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56757 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-27 23:22:55 +00:00
Evan Cheng
184793fc8a
Re-apply 56683 with fixes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56748 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-27 01:56:22 +00:00
Devang Patel
8526390768
Update tests.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56730 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-27 00:25:28 +00:00
Daniel Dunbar
02a4da2c22
Unbreak build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56727 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-27 00:22:09 +00:00
Bill Wendling
0b3c079cd5
Add missing #include for asserts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56718 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-27 00:08:24 +00:00