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Author SHA1 Message Date
Dan Gohman
ec82dc9a7c Add keyword explicit. 
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. 
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() 
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. 
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. 
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 
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. 
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: 
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: 
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: 
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. 
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: 
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. 
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. 
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. 
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. 
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. 
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. 
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. 
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). 
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 
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. 
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. 
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 
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. 
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. 
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. 
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. 
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 
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 
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. 
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. 
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. 
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. 
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. 
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 
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 
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 
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 
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. 
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: 
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
Chris Lattner
546fdae370 testcase for PR1510 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37583 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-15 05:57:20 +00:00
Chris Lattner
041a6c9048 delete some obviously dead vector operations, which deletes a few thousand 
operations from Duraids example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37582 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-15 05:26:55 +00:00
Evan Cheng
bc198eeba6 No really, clear predcessors states. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37581 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-14 23:34:09 +00:00
Evan Cheng
e37e24331c If BB is predicated, invalidate its predecessor(s) which would if-convert it. It needs to be re-analyzed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37580 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-14 23:13:19 +00:00
Dan Gohman
51eaa86758 Rename MVT::getVectorBaseType to MVT::getVectorElementType. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37579 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-14 22:58:02 +00:00
Dale Johannesen
318093b6f8 Do not treat FP_REG_KILL as terminator in branch analysis (X86). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37578 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-14 22:03:45 +00:00
Evan Cheng
b7c908bb81 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37577 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-14 21:26:08 +00:00
Dan Gohman
c101e95cb6 Add a target hook to allow loads from constant pools to be rematerialized, and an 
implementation for x86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37576 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-14 20:50:44 +00:00
Evan Cheng
86ff296e63 Fix some stupid bugs that have effectively disabled if-conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37575 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-14 20:28:52 +00:00