Tanya Lattner
c91c56cf43
Moved Inliner.h to include/llvm/Transforms/IPO/InlinerPass.h
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37666 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 22:31:52 +00:00
Tanya Lattner
6f7426ec2e
Inliner pass header file was moved.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37665 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 22:29:50 +00:00
Evan Cheng
9ffd340daf
Avoid if-converting simple block that ends with unconditional branch or fallthrough unless it branches / falls to the 'false' block. Not profitable, may end up increasing code size.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37660 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 21:45:13 +00:00
Evan Cheng
277f0741c5
Allow predicated immediate ARM to ARM calls.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37659 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 21:05:09 +00:00
Dan Gohman
5cec4db6ae
Rename ScalarEvolution::deleteInstructionFromRecords to
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deleteValueFromRecords and loosen the types to all it to accept
Value* instead of just Instruction*, since this is what
ScalarEvolution uses internally anyway. This allows more flexibility
for future uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37657 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 14:28:31 +00:00
Dan Gohman
b5bec2b6f6
Pass a SelectionDAG into SDNode::dump everywhere it's used, in prepration
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for needing the DAG node to print pre-legalize extended value types, and
to get better debug messages with target-specific nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37656 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 14:13:56 +00:00
Owen Anderson
d0954105f0
Handle constants in phi nodes properly. This fixes test/Transforms/GVNPRE/2007-06-18-ConstantInPhi.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37655 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 07:35:36 +00:00
Chris Lattner
85ef254630
document and hide two options.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37651 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 05:47:49 +00:00
Chris Lattner
3ee774091b
describe an argument, hide it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37650 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 05:46:06 +00:00
Chris Lattner
2384d7b179
silence a bogus warning Duraid ran into.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37649 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 05:43:49 +00:00
Owen Anderson
20cb51fda4
Be careful to erase values from all of the appropriate sets when they're not needed anymore. This fixes a few more memory-related issues.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37647 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 05:37:32 +00:00
Owen Anderson
6cae7409b1
Remember to clear the maximal sets between functions.
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Thanks to Nicholas for valgrinding this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37646 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 04:32:55 +00:00
Owen Anderson
086f5f350b
Refactor GVNPRE to use a much smart method of uniquing value sets, and centralize a lot of the value numbering information. No functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37645 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 03:31:41 +00:00
Dan Gohman
82a87a0172
Replace M_REMATERIALIZIBLE and the newly-added isOtherReMaterializableLoad
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with a general target hook to identify rematerializable instructions. Some
instructions are only rematerializable with specific operands, such as loads
from constant pools, while others are always rematerializable. This hook
allows both to be identified as being rematerializable with the same
mechanism.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37644 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 01:48:05 +00:00
Evan Cheng
eaa91b0a1f
Replace TargetInstrInfo::CanBeDuplicated() with a M_NOT_DUPLICABLE bit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37643 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 01:26:51 +00:00
Chris Lattner
52387be1e0
If a function is vararg, never pass inreg arguments in registers. Thanks to
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Anton for half of this patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37641 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 00:13:10 +00:00
Chris Lattner
aeeccfc5b2
add isVarArg to CCState
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37640 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 00:11:09 +00:00
Evan Cheng
49892af264
Look for VECTOR_SHUFFLE that's identity operation on either LHS or RHS. This can happen before DAGCombiner catches it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37636 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19 00:02:56 +00:00
Evan Cheng
c4047a8e96
Fix some fragile code wrt CFG edge updating.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37634 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 22:44:57 +00:00
Evan Cheng
2bdb7d0cc8
Move CorrectExtraCFGEdges() from BranchFolding.cpp to a MachineBasicBlock method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37633 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 22:43:58 +00:00
Devang Patel
7d97bf1429
Fix quotes in debug messages.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37630 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 21:32:29 +00:00
Chris Lattner
e10e6f7a36
make ComputeTopDownOrdering significantly faster and use less stack space
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by making it non-recursive
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37629 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 21:28:10 +00:00
Dan Gohman
f50cd749e1
In SCEVAddExpr::get, skip over any cast operands before looking for nested
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add operands after constant operands. The recent change to recognize
sign-extend expressions caused this to be exposed more often.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37628 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 19:30:09 +00:00
Anton Korobeynikov
03265f98a3
Make BasicAliasAnalysis correctly register itself. Patch by Devang
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37627 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 17:13:29 +00:00
Dan Gohman
7a0a4fc912
Make chain dependencies blue, in addition to being dashed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37626 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 15:30:16 +00:00
Dan Gohman
638c96d391
Define the pushq instruction for x86-64.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37625 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 14:12:56 +00:00
Evan Cheng
a1a878791b
Properly remove duplicate instructions as result of diamond if-conversion. Other bug fixes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37623 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 08:37:25 +00:00
Owen Anderson
bbf1197be1
Cache the results of dependsOnInvoke()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37622 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 04:42:29 +00:00
Owen Anderson
a8daa7176b
Fix indentation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37621 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 04:31:21 +00:00
Owen Anderson
60e174495a
Don't perform an expensive check if it's not necessary.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37620 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 04:30:44 +00:00
Bill Wendling
a9e64f6f2d
Revert patch. It regresses:
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define double @test2(i64 %A) {
%B = bitcast i64 %A to double
ret double %B
}
$ llvm-as < t.ll | llc -march=x86-64
before:
.align 4
.globl _test2
_test2:
movd %rdi, %xmm0
ret
after:
_test2:
subq $8, %rsp
movq %rdi, (%rsp)
movsd (%rsp), %xmm0
addq $8, %rsp
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37617 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-16 23:57:15 +00:00
Evan Cheng
e882fca902
Really turn if-converter loose:
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1. Consider all possible ifcvt cases at once. No longer restricted to bottom
up iterative approach.
2. Sort all possible cases based on a cost function. Perform the most profitable
ones first invalidate others that target the same blocks.
3. Fixed a number of bugs related to block duplication.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37613 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-16 09:34:52 +00:00
Bill Wendling
e81369f2a5
Fix a failure to bit_convert from integer GPR to MMX register.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37611 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-16 06:17:31 +00:00
Owen Anderson
32bc789b6c
Fix test/Transforms/GVNPRE/2007-06-15-InvokeInst.ll by ignoring all instructions that depend on invokes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37610 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-16 00:26:54 +00:00
Tanya Lattner
24e5aada7d
Codegen support (stripped out) for the annotate attribute.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37608 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 22:26:58 +00:00
Evan Cheng
a2acf840a7
Not every predicable block can be safely duplicated.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37607 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 21:18:05 +00:00
Evan Cheng
d42e56e166
Instructions with unique labels or embedded jumptables cannot be duplicated during ifcvt.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37606 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 21:15:00 +00:00
Dan Gohman
0f0eb18add
Fold a binary operator with constant operands when expanding code for a SCEV.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37602 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 19:21:55 +00:00
Chris Lattner
c2c28fc24c
Fix CodeGen/X86/inline-asm-x-scalar.ll:test4, by retaining regclass info
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for tied register constraints.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37601 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 19:11:01 +00:00
Evan Cheng
bf9d02eaf6
MachineInstr::isPredicable() is no longer needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37599 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 19:06:07 +00:00
Duncan Sands
f40708223e
Workaround for PR1508.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37597 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 19:04:19 +00:00
Dan Gohman
e19dd87598
Use SCEVConstant::get instead of SCEVUnknown::get to create an
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integer constant SCEV.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37596 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 18:00:55 +00:00
Owen Anderson
383bcb2e78
Fix test/Transforms/GVNPRE/2007-06-15-Looping.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37595 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 17:55:15 +00:00
Evan Cheng
9333545980
Extra edges are deleted later if needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37593 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 17:34:48 +00:00
Dan Gohman
d19534add9
Add a SCEV class and supporting code for sign-extend expressions.
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This created an ambiguity for expandInTy to decide when to use
sign-extension or zero-extension, but it turns out that most of its callers
don't actually need a type conversion, now that LLVM types don't have
explicit signedness. Drop expandInTy in favor of plain expand, and change
the few places that actually need a type conversion to do it themselves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37591 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 14:38:12 +00:00
Evan Cheng
2c8c3a4a0d
Allow small blocks to be duplicated to enable if-conversion.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37590 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 07:36:12 +00:00
Chris Lattner
7cbe2ebb21
Generalize many transforms to work on ~ of vectors in addition to ~ of
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integer ops. This implements Transforms/InstCombine/and-or-not.ll
test3/test4, and finishes off PR1510
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37589 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 06:23:19 +00:00
Chris Lattner
cef4b53a3e
add a Constant::getAllOnesValue helper function, which works on integers
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AND vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37586 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 06:10:53 +00:00
Chris Lattner
e20b7bec02
Enhance BinaryOperator::isNot to support vector not.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37585 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 06:04:24 +00:00
Chris Lattner
003b6200df
Implement two xforms:
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1. ~(~X | Y) === (X & ~Y)
2. (A|B) & ~(A&B) -> A^B
This allows us to transform ~(~(a|b) | (a&b)) -> a^b.
This implements PR1510 for scalar values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37584 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 05:58:24 +00:00