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3236 Commits

Author SHA1 Message Date
Jim Laskey
7138234baf Combiner alias analysis passes Multisource (release-asserts.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30818 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-07 23:37:56 +00:00
Chris Lattner
ed83a7019b Fix a bug legalizing zero-extending i64 loads into 32-bit loads. The bottom 
part was always forced to be sextload, even when we needed an zextload.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30782 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-07 00:58:36 +00:00
Chris Lattner
cf9668f23d initialize ivar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30780 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-06 22:52:08 +00:00
Chris Lattner
0336fdba85 If a target uses a GOT, put it in the jt data section, not the text 
section.  This will fix alpha when Andrew implements
AlphaTargetMachine::getTargetLowering().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30779 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-06 22:50:56 +00:00
Chris Lattner
e0cfc8b2f2 jump tables handle pic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30776 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-06 22:32:29 +00:00
Chris Lattner
db3ea6754b print labels even if a MBB doesn't have a corresponding LLVM BB, just don't 
print the LLVM BB label.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30775 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-06 21:28:17 +00:00
Chris Lattner
4bdd2753db Fix a miscompilation of: 
long long foo(long long X) {
  return (long long)(signed char)(int)X;
}

Instead of:

_foo:
        extsb r2, r4
        srawi r3, r4, 31
        mr r4, r2
        blr

we now produce:

_foo:
        extsb r4, r4
        srawi r3, r4, 31
        blr

This fixes a miscompilation in ConstantFolding.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30768 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-06 17:34:12 +00:00
Chris Lattner
5504602836 MachineBasicBlock::splice was incorrectly updating parent pointers on 
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30760 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-06 01:12:44 +00:00
Evan Cheng
786225adf0 Make use of getStore(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30759 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-05 23:01:46 +00:00
Evan Cheng
ad071e1cd1 Add getStore() helper function to create ISD::STORE nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30758 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-05 22:57:11 +00:00
Chris Lattner
9c78ecb511 Don't crash if an MBB doesn't have an LLVM BB 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30757 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-05 21:40:14 +00:00
Jim Laskey
bc588b8bbf Alias analysis code clean ups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30753 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-05 15:07:25 +00:00
Chris Lattner
e08d6e915e Emit pic jumptables to the same section that the function is emitted to, 
allowing label differences to work.  This fixes CodeGen/X86/pic_jumptable.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30744 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-05 03:13:28 +00:00
Chris Lattner
1da31ee472 Pass the MachineFunction into EmitJumpTableInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30742 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-05 03:01:21 +00:00
Chris Lattner
52f0670470 move getSectionForFunction to AsmPrinter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30736 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-05 02:42:47 +00:00
Evan Cheng
693163e74d Fix some typos that can cause a flag value to have more than one use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30727 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-04 22:23:53 +00:00
Jim Laskey
6ff23e5e84 More extensive alias analysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30721 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-04 16:53:27 +00:00
Jim Laskey
0c0feb9d5f More long term solution 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30720 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-04 10:40:15 +00:00
Jim Laskey
0f77fe5ea6 Work around for some problems with templates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30715 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-04 01:43:13 +00:00
Evan Cheng
c548428c5d Combine ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD into ISD::LOADX. Add an 
extra operand to LOADX to specify the exact value extension type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30714 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-04 00:56:09 +00:00
Chris Lattner
faf1daeb92 Use $( $| $) to represent alternatives in asm blocks instead of {|}. This 
is needed to support targets where {|} aren't special symbols.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30712 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-03 23:27:09 +00:00
Evan Cheng
bf497a3a68 Fix an obvious typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30711 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-03 23:08:27 +00:00
Chris Lattner
f28bbda2c6 Bugfixes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30709 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-03 20:19:23 +00:00
Chris Lattner
ee773ba72b Print the MBB ID # along with the bb tag in the -print-machine-instrs output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30708 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-03 20:17:24 +00:00
Chris Lattner
e70cab0ca4 Provide a function that ensures MBB numbering is dense and inorder. This 
can be used by MachineFunctionPasses who need this property.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30706 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-03 19:18:57 +00:00
Bill Wendling
f7da4e939f Fix for PR929. The PHI nodes were being gone through for each instruction 
in a successor block for every block...resulting in some O(N^k) algorithm
which wasn't very good for performance. Calculating this information up
front and keeping it in a map made it much faster.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30697 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-03 07:20:20 +00:00
Jim Laskey
01078fb7ec Debugging kruft 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30688 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-02 13:01:17 +00:00
Jim Laskey
ec20402c90 Add ability to annotate (color) nodes in a viewGraph. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30686 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-02 12:26:53 +00:00
Chris Lattner
f8f791ef1e simplify code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30659 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-28 23:17:41 +00:00
Evan Cheng
5feaa9a707 TargetRegisterClass specifies the desired spill alignment. However, it cannot be honored if stack alignment is smaller. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30648 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-28 18:52:32 +00:00
Bill Wendling
ca756d2cf9 "Once more into the breach, dear friends, once more, or fill the wall up 
with our English dead."

No! Really! Serious this time...It was how the vreg uses were being
adjusted that was causing hte Olden tests to fail. I corrected this and
the Olden and Regression tests all passed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30644 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-28 07:10:24 +00:00
Chris Lattner
57f9a43c64 refactor critical edge breaking out into the SplitCritEdgesForPHIConstants method. 
This is a baby step towards fixing PR925.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30643 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-28 06:17:10 +00:00
Chris Lattner
8af24b86a8 re-re-revert this, back to the right revision. It currently breaks bisort/mst 
in olden among others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30637 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-28 00:11:54 +00:00
Evan Cheng
c2b4ec37de PEI now place callee save spills closest to the address pointed to by the 
incoming stack. This allows X86 backend to use push / pop in epilogue /
prologue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30636 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-28 00:10:27 +00:00
Chris Lattner
31cefb9943 re-revert this patch, bisort and mst are still broken in Olden. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30634 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-28 00:04:21 +00:00
Bill Wendling
4da1abb311 Reapplying this patch. With the newest commits, the error in Olden/bisort 
has disappeared.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30633 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-27 22:37:35 +00:00
Chris Lattner
6c88e9b458 Temporarily revert this. This breaks Olden/bisort on PPC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30628 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-27 16:59:16 +00:00
Bill Wendling
c36f2a4cea PR878: Instead of calculating the vreg to PHI use count everytime we get 
a function, do it up front in linear time (going through all of the
instructions once). We create a map out of them. Then it's no problem to
use the information in it during elimination...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30624 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-27 09:04:15 +00:00
Chris Lattner
bae02cfd46 Add support for ${:private} which prints "L" on darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30620 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-27 00:06:07 +00:00
Chris Lattner
3ce9b67e0c Add support for ${:comment}, which expands to the current target's comment 
character, and ${:uid} which expands to a unique ID for the MachineInstr.
More can be added if/when they are needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30619 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-26 23:59:50 +00:00
Evan Cheng
692d4e0823 Rename function. It's determining which callee-save registers to save. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30616 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-26 22:29:31 +00:00
Andrew Lenharth
16113431e8 Comments on JumpTableness 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30615 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-26 20:02:30 +00:00
Jim Laskey
bb1518585b Load chain check is not needed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30613 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-26 17:44:58 +00:00
Jim Laskey
79597d2af6 Chain can be any operand 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30611 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-26 09:32:41 +00:00
Jim Laskey
3dd1170616 Wrong size for load 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30610 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-26 08:14:06 +00:00
Jim Laskey
172585b3aa Can't move a load node if it's chain is not used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30609 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-26 07:37:42 +00:00
Chris Lattner
681764b20c print the preds of each MBB 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30606 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-26 03:41:59 +00:00
Chris Lattner
cb05af852f Add support for targets that want to do something with the llvm.used list, 
because they have an aggressive linker that does dead code stripping.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30604 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-26 03:38:18 +00:00
Jim Laskey
14fbcbfa2b Accidental enable of bad code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30601 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-25 21:11:32 +00:00
Jim Laskey
288af5e740 Fix chain dropping in load and drop unused stores in ret blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30600 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-25 19:32:58 +00:00