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
Tanya Lattner
eff2cdfca7
Modify annotate intrinsic to take 2 additional args: file and line number.
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Fix up Annotate attribute test case.
Fix DebugFilename.c test case to look for right file name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37632 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 22:23:39 +00:00
Chris Lattner
66250e97ef
add helper
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37631 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 21:50:49 +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
Dan Gohman
ec82dc9a7c
Add keyword explicit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37624 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-18 14:11:31 +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
Chris Lattner
910b4b8479
ensure we don't regress on these tests. We generate aweful code in x86-32 for
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these though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37619 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-17 23:29:57 +00:00
Bill Wendling
521d5c72ac
XFAILing until I can fix properly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37618 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-16 23:57:51 +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
Reid Spencer
a4d71f09ff
Fix PR1517:
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Use SmallPtrSet instead of std::vector to eliminate duplicate uses in a
function generated with -gen-function. This prevents the output from having
multiple duplicate declarations of constants and gvals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37616 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-16 20:48:27 +00:00
Reid Spencer
ab24b4cf70
Fix PR1516:
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When printing the uses of a function (-gen-function only), make sure to
include the constants referenced by intializers of global variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37615 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-16 20:33:24 +00:00
Nick Lewycky
8946fe1776
Call the correct function name. Patch from Stephane Letz.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37614 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-16 16:17:35 +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
0c5c8d8f54
Testcase for MMX int to MMX register failure.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37612 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-16 06:31:47 +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
Owen Anderson
981746b4d0
Testcase where GVNPRE was getting confused by invoke instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37609 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-16 00:25:10 +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
Evan Cheng
61a2598ebe
Added CanBeDuplicated(). It returns true if an instruction can be safely duplicated (e.g. during ifcvt).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37605 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 21:13:54 +00:00
Tanya Lattner
bedcd3bb9d
test case for annotate attribute
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37604 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 20:52:47 +00:00
Tanya Lattner
6d806e93ce
Add local var annotation intrinsic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37603 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 20:50:54 +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
Chris Lattner
71683d3520
make this test harder, include a tied register.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37600 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 19:09:53 +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
Evan Cheng
2d7a47a5db
No longer needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37598 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 19:05:13 +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
Owen Anderson
0bee3f44ca
Add a testcase where GVNPRE what getting confused by a loop.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37594 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 17:54:05 +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
Duncan Sands
9d46cd5507
Use "ignore" rather than grep tricks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37592 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 17:13:53 +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
3dcf510ba1
add vector versions of this test
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37588 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 06:22:32 +00:00
Chris Lattner
b0760c80b3
m_not should match vector not
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37587 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-15 06:13:47 +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