Chris Lattner
0fce29b9d1
gvn is optimizing this better now.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90696 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-06 04:16:05 +00:00
Chris Lattner
faf815b938
Handle forwarding local memsets to loads. For example, we optimize this:
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short x(short *A) {
memset(A, 1, sizeof(*A)*100);
return A[42];
}
to 'return 257' instead of doing the load.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90695 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-06 01:57:02 +00:00
Chris Lattner
90ec9680a9
Add helper methods for forming shift operations with a constant
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shift amount.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90694 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-06 01:56:22 +00:00
Chris Lattner
f616ee2895
merge two tests.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90691 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-06 01:47:24 +00:00
Oscar Fuentes
c595e6ca0a
CheckAtomic.cmake: Put all C++ code inside CHECK_CXX_SOURCE_COMPILES.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90685 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-06 00:06:33 +00:00
Oscar Fuentes
87e98075cc
Fix for atomic intrinsics detection when using MSVC.
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Patch by Michael Beck!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90683 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 23:19:33 +00:00
Dan Gohman
87bad707ed
Remove old DBG_LABEL code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90669 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 17:56:26 +00:00
Dan Gohman
714efc63d4
Remove the unused DisableLegalizeTypes option and related code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90668 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 17:51:33 +00:00
Bill Wendling
740266269b
Calling InvalidateEntry during the refinement was breaking the bootstrap.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90656 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 07:59:04 +00:00
Bill Wendling
32bc2362a1
Final cleanups:
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- Privatize a typedef.
- Call the InvalidateEntry when refining a type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90655 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 07:46:49 +00:00
Bill Wendling
dc492e0370
Temporarily revert r90502. It was causing the llvm-gcc bootstrap on PPC to fail.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90653 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 07:30:23 +00:00
Nick Lewycky
750e0e0ad0
Document that memory use intrinsics may also return Def results.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90651 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 06:37:52 +00:00
Nick Lewycky
93d3311d1f
Fix indentation in switch statement.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90650 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 06:37:24 +00:00
Nick Lewycky
83e8ec73e1
Generalize this optimization to work on equality comparisons between any two
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integers that are constant except for a single bit (the same n-th bit in each).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90646 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 05:00:00 +00:00
Eric Christopher
6c7e8a02d8
More updates to objectsize intrinsic docs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90644 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 02:46:03 +00:00
Dan Gohman
b3b9821cde
Don't print a space before the : between the file name and line number.
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And separate the directory and file name with a '/'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90641 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 02:00:34 +00:00
Bill Wendling
688da28687
Inline methods which are called only once.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90640 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 01:46:01 +00:00
Bill Wendling
5681689795
Refactor some code. No functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90639 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 01:43:33 +00:00
Dan Gohman
eecb9919a4
Print newlines after printing labels for debug info, so that the output
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isn't cluttered with things like "Llabel47:Llabel48: movq (%rsi), %xmm3"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90638 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 01:42:34 +00:00
Dan Gohman
381ca5572e
Don't blindly set the debug location for PHI node copies.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90637 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 01:29:04 +00:00
Dan Gohman
6e3ff37547
Make TargetSelectInstruction protected and called from FastISel.cpp
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instead of SelectionDAGISel.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90636 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 01:27:58 +00:00
Dan Gohman
864e2efce2
Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of
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MachineBasicBlock::canFallThrough(), which is target-independent and more
thorough.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90634 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:44:40 +00:00
Dan Gohman
735985fbbe
Simplify this code: don't call AnalyzeBranch before doing simpler checks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90633 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:32:59 +00:00
Dan Gohman
07f111e7b7
The debug information for an LLVM Instruction applies to that Instruction
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and that Instruction only. Implement this by setting the "current debug position"
back to Unknown after processing each instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90632 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:27:08 +00:00
Dan Gohman
3b9bc04eda
Fix this code to use DIScope instead of DICompileUnit, as in r90181.
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Don't print "SrcLine"; just print the filename and line number, which
is obvious enough and more informative.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90631 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:23:29 +00:00
Dan Gohman
4b808b014b
Don't print the debug directory; it's often long and uninteresting. Omit
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the column number if it is not known. Handle the case of a missing filename
better.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90630 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:20:51 +00:00
Dan Gohman
7004b9cf33
Minor code simplification.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90628 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:05:43 +00:00
David Greene
63be493b52
Remove an unneeded include.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90627 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:03:24 +00:00
Dan Gohman
8a3f644b20
Remove now-redundant llvm-as invocations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90626 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:02:37 +00:00
David Greene
adbc23cae1
Remove an unneeded include.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90625 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 23:55:07 +00:00
Bill Wendling
7907ddb6d8
Add testcase for PR4262.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90623 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 23:29:57 +00:00
Dan Gohman
fcafe44f56
Print a space between the comment character and the text.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90621 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 23:19:55 +00:00
Bill Wendling
e98be31e7f
Temporarily revert r72620 because r72619 was reverted.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90619 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 23:16:56 +00:00
Devang Patel
d55224c25e
In TAG_subrange_type, uppder bound is zero indexed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90617 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 23:10:24 +00:00
David Greene
03c8406fc1
Fix a bad merge.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90616 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 23:08:02 +00:00
David Greene
5e33632559
Update the TargetInstrInfo interfaces so hasLoad/StoreFrom/ToStackSlot
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can return a MachineMemOperand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90615 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 23:00:50 +00:00
Bob Wilson
ea7bfc5aa0
Fix indentation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90613 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 22:46:47 +00:00
David Greene
f7ea2a534b
Use new interfaces to print spill size.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90611 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 22:46:04 +00:00
David Greene
29dbf50b18
Have hasLoad/StoreFrom/ToStackSlot return the relevant MachineMemOperand.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90608 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 22:38:46 +00:00
Bob Wilson
39fdd6947c
Fix up some comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90603 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 21:57:37 +00:00
Bob Wilson
d614a1f0a8
Fix 80-column violations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90601 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 21:51:35 +00:00
Daniel Dunbar
d90ade54cd
OptParser: Emit HelpText field for option groups.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90599 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 21:41:24 +00:00
Bill Wendling
1500c4f49a
Some code cleanup. No functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90588 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 21:03:02 +00:00
Victor Hernandez
ff7707e983
Avoid creating a metadata slot for all metadata that contains an instruction
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90581 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 20:07:10 +00:00
Evan Cheng
11572babb1
Handle recursive PHI's.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90575 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 19:09:10 +00:00
Victor Hernandez
954c80e99d
Fix crasher when N->getElement(n) is NULL
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90572 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 18:29:23 +00:00
Evan Cheng
79fc6f44b6
Add a pre-regalloc tail duplication pass.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90567 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 09:42:45 +00:00
Evan Cheng
9d0f8bba17
Don't try to be cute with undef optimization here. Let ProcessImplicitDefs handle it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90566 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 09:23:37 +00:00
Duncan Sands
36236b76a4
Add note about a subtle bug in this code. Does not effect the main
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architectures that LLVM targets, because they don't use this code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90564 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 08:42:17 +00:00
Daniel Dunbar
83563b24ce
Fix typo and add missing include.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90557 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04 08:17:07 +00:00