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491 Commits

Author SHA1 Message Date
Chris Lattner
f3f333dbd6 Allow targets to custom lower expanded BIT_CONVERT's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30217 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-09 00:20:27 +00:00
Evan Cheng
3f4fd0fd64 Allow legalizer to expand ISD::MUL using only MULHS in the rare case that is 
possible and the target only supports MULHS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30022 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 18:17:58 +00:00
Chris Lattner
a4f0b3a084 s|llvm/Support/Visibility.h|llvm/Support/Compiler.h| 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29911 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-27 12:54:02 +00:00
Chris Lattner
f921a51891 Fix PR861 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29796 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-21 20:24:53 +00:00
Chris Lattner
f9f37fc52c eliminate use of getNode that takes vector of valuetypes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29687 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-14 23:53:35 +00:00
Chris Lattner
bd564bfc63 Start eliminating temporary vectors used to create DAG nodes. Instead, pass 
in the start of an array and a count of operands where applicable.  In many
cases, the number of operands is known, so this static array can be allocated
on the stack, avoiding the heap.  In many other cases, a SmallVector can be
used, which has the same benefit in the common cases.

I updated a lot of code calling getNode that takes a vector, but ran out of
time.  The rest of the code should be updated, and these methods should be
removed.

We should also do the same thing to eliminate the methods that take a
vector of MVT::ValueTypes.

It would be extra nice to convert the dagiselemitter to avoid creating vectors
for operands when calling getTargetNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29566 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-08 02:23:42 +00:00
Chris Lattner
f06f35e30b Eliminate some malloc traffic by allocating vectors on the stack. Change some 
method that took std::vector<SDOperand> to take a pointer to a first operand
and #operands.

This speeds up isel on kc++ by about 3%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29561 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-08 01:09:31 +00:00
Chris Lattner
190a418bf6 Make SelectionDAG::RemoveDeadNodes iterative instead of recursive, which 
also make it simpler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29524 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-04 17:45:20 +00:00
Chris Lattner
c9cf4f1a75 Fix a case where LegalizeAllNodesNotLeadingTo could take exponential time. 
This manifested itself as really long time to compile
Regression/CodeGen/Generic/2003-05-28-ManyArgs.ll on ppc.
This is PR847.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29313 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-26 23:55:56 +00:00
Jim Laskey
e37fe9b3a1 Ensure that dump calls that are associated with asserts are removed from 
non-debug build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29105 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-11 17:58:07 +00:00
Chris Lattner
25a022c780 Fix CodeGen/Alpha/2006-07-03-ASMFormalLowering.ll and PR818. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29099 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-11 01:40:09 +00:00
Chris Lattner
360e8200ec Mark these two classes as hidden, shrinking libllbmgcc.dylib by 25K 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28970 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-28 21:58:30 +00:00
Evan Cheng
8e7d056bc5 Change RET node to include signness information of the return values. e.g. 
RET chain, value1, sign1, value2, sign2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28509 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 23:09:09 +00:00
Chris Lattner
d74ea2bbd8 Patches to make the LLVM sources more -pedantic clean. Patch provided 
by Anton Korobeynikov!  This is a step towards closing PR786.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28447 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 17:04:05 +00:00
Chris Lattner
c5d7d7c715 When we legalize target nodes, do not use getNode to create a new node, 
use UpdateNodeOperands to just update the operands!  This is important because
getNode will allocate a new node if the node returns a flag and this breaks
assumptions in the legalizer that you can legalize some things multiple times
and get exactly the same results.

This latent bug was exposed by my ppc patch last night, and this fixes
gsm/toast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28348 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-17 18:00:08 +00:00
Chris Lattner
b248e16afd Add an assertion, avoid some unneeded work for each call. No functionality 
change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28347 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-17 17:55:45 +00:00
Chris Lattner
f4ec817299 Add a new ISD::CALL node, make the default impl of TargetLowering::LowerCallTo 
produce it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28338 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-16 22:53:20 +00:00
Chris Lattner
e2e41730cc Legalize FORMAL_ARGUMENTS nodes correctly, we don't want to legalize them once 
for each argument.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28313 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-16 05:49:56 +00:00
Chris Lattner
a2d079a776 Merge identical code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28274 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-13 02:11:14 +00:00
Nate Begeman
ec57fd91af Fix PR773 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28207 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-09 18:20:51 +00:00
Owen Anderson
a69571c799 Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 
This fixes PR 759.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28074 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-03 01:29:57 +00:00
Nate Begeman
37efe67645 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 18:53:45 +00:00
Chris Lattner
89a1b380a4 Simplify some code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27846 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 23:17:50 +00:00
Chris Lattner
80edfb3af5 Fix handling of calls in functions that use vectors. This fixes a crash on 
the code in GCC PR26546.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27780 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-17 22:10:08 +00:00
Chris Lattner
8d5a894501 Codegen insertelement with constant insertion points as scalar_to_vector 
and a shuffle.  For this:

void %test2(<4 x float>* %F, float %f) {
        %tmp = load <4 x float>* %F             ; <<4 x float>> [#uses=2]
        %tmp3 = add <4 x float> %tmp, %tmp              ; <<4 x float>> [#uses=1]
        %tmp2 = insertelement <4 x float> %tmp3, float %f, uint 2               ; <<4 x float>> [#uses=2]
        %tmp6 = add <4 x float> %tmp2, %tmp2            ; <<4 x float>> [#uses=1]
        store <4 x float> %tmp6, <4 x float>* %F
        ret void
}

we now get this on X86 (which will get better):

_test2:
        movl 4(%esp), %eax
        movaps (%eax), %xmm0
        addps %xmm0, %xmm0
        movaps %xmm0, %xmm1
        shufps $3, %xmm1, %xmm1
        movaps %xmm0, %xmm2
        shufps $1, %xmm2, %xmm2
        unpcklps %xmm1, %xmm2
        movss 8(%esp), %xmm1
        unpcklps %xmm1, %xmm0
        unpcklps %xmm2, %xmm0
        addps %xmm0, %xmm0
        movaps %xmm0, (%eax)
        ret

instead of:

_test2:
        subl $28, %esp
        movl 32(%esp), %eax
        movaps (%eax), %xmm0
        addps %xmm0, %xmm0
        movaps %xmm0, (%esp)
        movss 36(%esp), %xmm0
        movss %xmm0, 8(%esp)
        movaps (%esp), %xmm0
        addps %xmm0, %xmm0
        movaps %xmm0, (%eax)
        addl $28, %esp
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27765 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-17 19:21:01 +00:00
Chris Lattner
2efce0a589 Add support for promoting stores from one legal type to another, allowing us 
to write one pattern for vector stores instead of 4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27730 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-16 01:36:45 +00:00
Chris Lattner
3824e50b1e Make this assertion better 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27695 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-14 06:08:35 +00:00
Evan Cheng
cc9876124e Promote vector AND, OR, and XOR 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27632 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-12 21:20:24 +00:00
Evan Cheng
41f6cbbeb2 Vector type promotion for ISD::LOAD and ISD::SELECT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27606 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-12 16:33:18 +00:00
Chris Lattner
fdfded5588 Implement support for the formal_arguments node. To get this, targets shouldcustom legalize it and remove their XXXTargetLowering::LowerArguments overload 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27604 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-12 16:20:43 +00:00
Evan Cheng
98f8aeb45f Only get Tmp2 for cases where number of operands is > 1. Fixed return void. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27586 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-11 06:33:39 +00:00
Chris Lattner
b49e52c7e2 add some todos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27580 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-11 02:00:08 +00:00
Chris Lattner
f87324e44d Add basic support for legalizing returns of vectors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27578 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-11 01:31:51 +00:00
Evan Cheng
db3c626eb9 Missing break 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27559 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-10 18:54:36 +00:00
Chris Lattner
b22e35a3c3 Add code generator support for VSELECT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27542 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-08 22:22:57 +00:00
Chris Lattner
17614ea63d Canonicalize vvector_shuffle(x,x) -> vvector_shuffle(x,undef) to enable patterns 
to match again :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27533 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-08 05:34:25 +00:00
Chris Lattner
4ddd283f69 add a sanity check: LegalizeOp should return a value that is the same type 
as its input.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27528 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-08 04:13:17 +00:00
Evan Cheng
f6bf87f2cc INSERT_VECTOR_ELT lowering bug: 
store vector to $esp
  store element to $esp + sizeof(VT) * index
  load  vector from $esp
The bug is VT is the type of the vector element, not the type of the vector!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27517 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-08 01:46:37 +00:00
Evan Cheng
18dd6d0a2a Exapnd a VECTOR_SHUFFLE to a BUILD_VECTOR if target asks for it to be expanded 
or custom lowering fails.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27432 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-05 06:07:11 +00:00
Chris Lattner
4352cc9e21 * Add supprot for SCALAR_TO_VECTOR operations where the input needs to be 
promoted/expanded (e.g. SCALAR_TO_VECTOR from i8/i16 on PPC).
* Add support for targets to request that VECTOR_SHUFFLE nodes be promoted
  to a canonical type, for example, we only want v16i8 shuffles on PPC.
* Move isShuffleLegal out of TLI into Legalize.
* Teach isShuffleLegal to allow shuffles that need to be promoted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27399 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 17:23:26 +00:00
Chris Lattner
4aab2f4ab5 Implement promotion for EXTRACT_VECTOR_ELT, allowing v16i8 multiplies to work with PowerPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27349 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 05:06:04 +00:00
Chris Lattner
bc70cf8be9 Implement the Expand action for binary vector operations to break the binop 
into elements and operate on each piece.  This allows generic vector integer
multiplies to work on PPC, though the generated code is horrible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27347 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 03:57:31 +00:00
Chris Lattner
5e46a19ec8 Add a new -view-legalize-dags command line option 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27342 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 03:07:27 +00:00
Chris Lattner
c741ea424a Do not endian swap split vector loads. This fixes UnitTests/Vector/sumarray-dbl on PPC. 
Now all UnitTests/Vector/* tests pass on PPC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27299 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 18:22:37 +00:00
Chris Lattner
d9731af75b Do not endian swap the operands to a store if the operands came from a vector. 
This fixes UnitTests/Vector/simple.c with altivec.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27298 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 18:20:46 +00:00
Chris Lattner
1597221eac Implement PromoteOp for VEXTRACT_VECTOR_ELT. Thsi fixes 
Generic/vector.ll:test_extract_elt on non-sse X86 systems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27294 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 17:55:51 +00:00
Chris Lattner
2ae2e98d4f Scalarized vector stores need not be legal, e.g. if the vector element type 
needs to be promoted or expanded.  Relegalize the scalar store once created.
This fixes CodeGen/Generic/vector.ll:test1 on non-SSE x86 targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27293 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 17:37:22 +00:00
Chris Lattner
70c2a61e0a Significantly improve handling of vectors that are live across basic blocks, 
handling cases where the vector elements need promotion, expansion, and when
the vector type itself needs to be decimated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27278 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 02:06:56 +00:00
Evan Cheng
eb0b461cf4 Expand INSERT_VECTOR_ELT to store vec, sp; store elt, sp+k; vec = load sp; 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27274 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 01:27:51 +00:00
Chris Lattner
5b2316e2b0 Teach Legalize how to pack VVECTOR_SHUFFLE nodes into VECTOR_SHUFFLE nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27232 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-28 20:24:43 +00:00