Commit Graph

4423 Commits

Author SHA1 Message Date
Evan Cheng
a7bb6498fe Added target hook for post-indexed memory ops transformation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31499 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-07 09:04:16 +00:00
Chris Lattner
f6e8e6bace Add a new operand flag to mark which operand is the first predicate operand
of an M_PREDICATED instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31482 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-06 23:53:08 +00:00
Chris Lattner
1b1b737d7d add a flag so that predicated instructions can be recognized by branch
folding


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31479 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-06 21:44:17 +00:00
Reid Spencer
1d2bf885dd Fix a small bug noticed on code review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31476 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-06 18:47:14 +00:00
Jeff Cohen
d41b30def3 Unbreak VC++ build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31464 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-05 19:31:28 +00:00
Reid Spencer
65c5d75bc8 Add a -disable-cbe-printf-a option so that the output of the C Backend
stands a chance of being compiled with a non C99 C compiler. The default
is enabled so you must specifically disable this feature if you want the
CBE output compiled with an older C compiler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31461 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-05 17:08:18 +00:00
Evan Cheng
9109fb1eb7 Added getIndexedStore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31458 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-05 09:30:09 +00:00
Evan Cheng
fe0b81759d Move to operand constraints for two-address instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31452 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-04 09:42:53 +00:00
Evan Cheng
e6e97e66a3 Fix comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31414 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 07:31:32 +00:00
Evan Cheng
1a854be352 Rename
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31413 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 07:21:16 +00:00
Evan Cheng
24d9cf025d Added a target specific hook to check whether / how a node can be transformed
into a pair of base / offset nodes for pre-indexed load / store ops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31407 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 03:04:06 +00:00
Evan Cheng
7ceebb437e Add isPredecessor to check whether a node is another's predecessor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31406 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 03:02:18 +00:00
Chris Lattner
64a8dddb73 silence warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31402 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03 01:45:13 +00:00
Jim Laskey
1f67a99260 Allow FoldingSet clients to pump up the initial hash size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31377 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 14:21:26 +00:00
Reid Spencer
0a783f783c For PR950:
Replace the REM instruction with UREM, SREM and FREM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31369 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 01:53:59 +00:00
Chris Lattner
a74b4a3ddc generalize this api
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31365 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 01:39:10 +00:00
Evan Cheng
e6ae14e1f4 Rename
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31364 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 23:18:32 +00:00
Evan Cheng
981b5bd708 Added getTiedToSrcOperand() to check for two-address'ness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31360 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 23:00:31 +00:00
Evan Cheng
41349c10cb Add a printSetLabel that takes two id's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31347 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 09:23:08 +00:00
Evan Cheng
e2ba897588 Add operand constraints to TargetInstrInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31333 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01 00:27:05 +00:00
Chris Lattner
dba1aeedd8 Change the prototype for TargetLowering::isOperandValidForConstraint
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31318 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 19:40:43 +00:00
Anton Korobeynikov
b52cf1f194 Unbreaking static ctors patch.
Defaulting second arguments of SwitchTo*Section, this should make things
somehow clearer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31306 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 06:11:06 +00:00
Reid Spencer
6ac310d5e9 Don't mislead readers by claiming a variable is defaulted to false when
the default is actually true.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31300 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 22:46:49 +00:00
Reid Spencer
02b8511364 Add debug support for X86/ELF targets (Linux). This allows llvm-gcc4
generated object modules to be debugged with gdb. Hopefully this helps
pre-release debugging.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31299 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 22:32:30 +00:00
Jim Laskey
6519546eda Simplify DwarfWriter header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31295 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 13:35:07 +00:00
Evan Cheng
c41cd9c391 Added a new SDNode type: BR_JT for jumptable branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31292 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 07:59:36 +00:00
Chris Lattner
09b6ac92d8 add a new form of insert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31290 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 05:07:51 +00:00
Chris Lattner
dd94c8d6b2 Add SmallString a (currently) minimal class that adapts SmallVector to be
more string-like.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31289 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 03:39:20 +00:00
Chris Lattner
6c1645ce7d add a method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31288 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30 03:14:15 +00:00
Chris Lattner
463c4a1ae9 add newline at end of file
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31287 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 23:47:01 +00:00
Chris Lattner
23d7b36117 add a highly efficient hash table that is specialized for mapping C strings
to some other type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31286 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 23:42:03 +00:00
Chris Lattner
9f617d64c5 Add a new llvm::Allocator abstraction, which will be used by a container
I'm about to add.  This is similar to, but necessarily different than, the
STL allocator class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31285 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29 22:08:03 +00:00
Chris Lattner
c4aacac056 add an assertion
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31272 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:21:51 +00:00
Chris Lattner
5f8d61bbd8 remove dead method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31271 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:21:29 +00:00
Chris Lattner
4976dfb4b9 add a method for hacking on JTIdx's
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31270 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:18:36 +00:00
Chris Lattner
a4eb44a285 const'ify jump table stuff
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31269 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:17:09 +00:00
Chris Lattner
95e4786a76 add a method for deleting dead jump tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31268 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:12:00 +00:00
Chris Lattner
5bd0c00b80 determine whether a change was made
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31265 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:00:05 +00:00
Chris Lattner
c24ff8ed12 add another target hook for branch folding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31262 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 17:29:57 +00:00
Chris Lattner
b57de3328d add option to isCriticalEdge
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31258 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 06:58:17 +00:00
Chris Lattner
27e1f90d85 Expose a smarter way to break critical edges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31256 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 06:44:56 +00:00
Jim Laskey
1fb8e15424 Editorial clean up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31250 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 01:34:21 +00:00
Chris Lattner
7466ebf045 add a method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31249 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 01:24:05 +00:00
Jim Laskey
583bd47f77 Switch over from SelectionNodeCSEMap to FoldingSet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31240 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 23:46:08 +00:00
Jim Laskey
2f6d4c9766 Clean up
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31238 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 22:52:02 +00:00
Chris Lattner
571e434a34 Turn conditions like x<Y|z==q into multiple blocks.
This compiles Regression/CodeGen/X86/or-branch.ll into:

_foo:
        subl $12, %esp
        call L_bar$stub
        movl 20(%esp), %eax
        movl 16(%esp), %ecx
        cmpl $5, %eax
        jl LBB1_1       #cond_true
LBB1_3: #entry
        testl %ecx, %ecx
        jne LBB1_2      #UnifiedReturnBlock
LBB1_1: #cond_true
        call L_bar$stub
        addl $12, %esp
        ret
LBB1_2: #UnifiedReturnBlock
        addl $12, %esp
        ret

instead of:

_foo:
        subl $12, %esp
        call L_bar$stub
        movl 20(%esp), %eax
        movl 16(%esp), %ecx
        cmpl $4, %eax
        setg %al
        testl %ecx, %ecx
        setne %cl
        testb %cl, %al
        jne LBB1_2      #UnifiedReturnBlock
LBB1_1: #cond_true
        call L_bar$stub
        addl $12, %esp
        ret
LBB1_2: #UnifiedReturnBlock
        addl $12, %esp
        ret

And on ppc to:

        cmpwi cr0, r29, 5
        blt cr0, LBB1_1 ;cond_true
LBB1_3: ;entry
        cmplwi cr0, r30, 0
        bne cr0, LBB1_2 ;UnifiedReturnBlock

instead of:

        cmpwi cr7, r4, 4
        mfcr r2
        addic r4, r3, -1
        subfe r30, r4, r3
        rlwinm r29, r2, 30, 31, 31
        and r2, r29, r30
        cmplwi cr0, r2, 0
        bne cr0, LBB1_2 ;UnifiedReturnBlock


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31230 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:36:01 +00:00
Jim Laskey
18529f3515 Apply editorials.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31218 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 18:05:12 +00:00
Jim Laskey
0e5af195f6 Breakout folding hash set from SelectionDAGCSEMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31215 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 16:16:16 +00:00
Evan Cheng
8862ef1481 Indexed load / store changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31208 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-26 21:52:24 +00:00
Devang Patel
38187d6a56 Save temp. bc files when saveTemps flag is true. Use final output file
name supplied by linker to construct temp bc file names.

Remove tabs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31205 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-26 20:46:22 +00:00