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Author SHA1 Message Date
Nate Begeman
4477590ef6 Codegen 
bool %test(int %X) {
  %Y = seteq int %X, 13
  ret bool %Y
}

as

_test:
        addi r2, r3, -13
        cntlzw r2, r2
        srwi r3, r2, 5
        blr

rather than

_test:
        cmpwi cr7, r3, 13
        mfcr r2
        rlwinm r3, r2, 31, 31, 31
        blr

This has very little effect on most code, but speeds up analyzer 23% and
mason 11%


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25848 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 08:17:29 +00:00
Chris Lattner
a34b898bc0 okay, one more 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25847 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 07:45:45 +00:00
Chris Lattner
fabec5bcb5 another note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25846 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 07:45:08 +00:00
Chris Lattner
76e7a441cf More notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25845 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 07:43:33 +00:00
Chris Lattner
a45b4925e1 another one 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25844 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 07:38:32 +00:00
Chris Lattner
302601c343 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25843 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 07:37:20 +00:00
Chris Lattner
af370f7c0c add conditional moves of float and double values on int/fp condition codes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25842 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 07:26:55 +00:00
Chris Lattner
83e64baaef example nate pointed out 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25841 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 07:16:34 +00:00
Chris Lattner
7a4d2913ea treat conditional branches the same way as conditional moves (giving them 
an operand that contains the condcode), making things significantly simpler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25840 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 06:56:30 +00:00
Chris Lattner
6788faa06a compactify all of the integer conditional moves into one instruction that takes 
a CC as an operand.  Much smaller, much happier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25839 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 06:49:09 +00:00
Chris Lattner
97f91027e6 Add immediate forms of integer cmovs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25838 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 06:24:29 +00:00
Chris Lattner
749d6fadf8 Shrinkify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25837 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 06:18:16 +00:00
Chris Lattner
6dc83c777d Add the full complement of conditional moves of integer registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25834 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 05:26:36 +00:00
Chris Lattner
86638b94c1 Compile this: 
void %X(int %A) {
        %C = setlt int %A, 123          ; <bool> [#uses=1]
        br bool %C, label %T, label %F

T:              ; preds = %0
        call int %main( int 0 )         ; <int>:0 [#uses=0]
        ret void

F:              ; preds = %0
        ret void
}

to this:

X:
        save -96, %o6, %o6
        subcc %i0, 122, %l0
        bg .LBBX_2      ! F
        nop
...

not this:

X:
        save -96, %o6, %o6
        sethi 0, %l0
        or %g0, 1, %l1
        subcc %i0, 122, %l2
        bg .LBBX_4      !
        nop
.LBBX_3:        !
        or %g0, %l0, %l1
.LBBX_4:        !
        subcc %l1, 0, %l0
        bne .LBBX_2     ! F
        nop


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25833 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 05:05:52 +00:00
Chris Lattner
19c5c4cca9 Only insert an AND when converting from BR_COND to BRCC if needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25832 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 05:04:52 +00:00
Evan Cheng
ef6ffb17c7 Added custom lowering of fabs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25831 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 03:14:29 +00:00
Chris Lattner
56b6964473 add the 'lucas' optimization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25830 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 02:55:28 +00:00
Chris Lattner
b716343851 I don't see why this optimization isn't safe, but it isn't, so disable it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25829 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 02:45:52 +00:00
Chris Lattner
8e38ae60c7 Another high-prio selection performance bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25828 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 02:10:06 +00:00
Chris Lattner
6656dd1a78 Handle physreg input/outputs. We now compile this: 
int %test_cpuid(int %op) {
        %B = alloca int
        %C = alloca int
        %D = alloca int
        %A = call int asm "cpuid", "=eax,==ebx,==ecx,==edx,eax"(int* %B, int* %C, int* %D, int %op)
        %Bv = load int* %B
        %Cv = load int* %C
        %Dv = load int* %D
        %x = add int %A, %Bv
        %y = add int %x, %Cv
        %z = add int %y, %Dv
        ret int %z
}

to this:

_test_cpuid:
        sub %ESP, 16
        mov DWORD PTR [%ESP], %EBX
        mov %EAX, DWORD PTR [%ESP + 20]
        cpuid
        mov DWORD PTR [%ESP + 8], %ECX
        mov DWORD PTR [%ESP + 12], %EBX
        mov DWORD PTR [%ESP + 4], %EDX
        mov %ECX, DWORD PTR [%ESP + 12]
        add %EAX, %ECX
        mov %ECX, DWORD PTR [%ESP + 8]
        add %EAX, %ECX
        mov %ECX, DWORD PTR [%ESP + 4]
        add %EAX, %ECX
        mov %EBX, DWORD PTR [%ESP]
        add %ESP, 16
        ret

... note the proper register allocation.  :)

it is unclear to me why the loads aren't folded into the adds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25827 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 02:03:41 +00:00
Chris Lattner
594086d494 more mumbling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25826 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 00:45:37 +00:00
Chris Lattner
bdde465bcf add some notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25825 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 00:20:38 +00:00
Evan Cheng
6dfa999c01 Don't generate complex sequence for SETOLE, SETOLT, SETULT, and SETUGT. Flip 
the order of the compare operands and generate SETOGT, SETOGE, SETUGE, and
SETULE instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25824 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 23:41:35 +00:00
Chris Lattner
f2b67cff04 Print the most trivial inline asms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25822 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 23:00:08 +00:00
Chris Lattner
73e142f2b6 Fix a bug in my legalizer reworking that caused the X86 backend to not get 
a chance to custom legalize setcc, which broke a bunch of C++ Codes.
Testcase here: CodeGen/X86/2006-01-30-LongSetcc.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25821 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 22:43:50 +00:00
Chris Lattner
2adc05cf5b Fix FP constants, and the SparcV8/2006-01-22-BitConvertLegalize.ll failure from last night 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25819 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 22:20:49 +00:00
Evan Cheng
02568ff48d i64 -> f32, f32 -> i64 and some clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25818 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 22:13:22 +00:00
Evan Cheng
6dab05363f Always use FP stack instructions to perform i64 to f64 as well as f64 to i64 
conversions. SSE does not have instructions to handle these tasks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25817 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 08:02:57 +00:00
Chris Lattner
3772bcb333 Revamp the ICC/FCC reading instructions to be parameterized in terms of the 
SPARC condition codes, not in terms of the DAG condcodes.  This allows us to
write nice clean patterns for cmovs/branches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25815 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 07:43:04 +00:00
Chris Lattner
9072c05cd8 Compile: 
uint %test(uint %X) {
        %Y = call uint %llvm.ctpop.i32(uint %X)
        ret uint %Y
}

to:

test:
        save -96, %o6, %o6
        sll %i0, 0, %l0
        popc %l0, %i0
        restore %g0, %g0, %g0
        retl
        nop

instead of to 40 logical ops.  Note the shift-by-zero that clears the top
part of the 64-bit V9 register.

Testcase here: CodeGen/SparcV8/ctpop.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25814 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 06:14:02 +00:00
Chris Lattner
5295de7c41 If the target has V9 instructions, this pass is a noop, don't bother 
running it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25811 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 05:51:14 +00:00
Chris Lattner
b34d3fd4cf When in v9 mode, emit fabsd/fnegd/fmovd 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25810 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 05:48:37 +00:00
Chris Lattner
76afdc9a80 First step towards V9 instructions in the V8 backend, two conditional move 
patterns.  This allows emission of this code:

t1:
        save -96, %o6, %o6
        subcc %i0, %i1, %l0
        move %icc, %i0, %i2
        or %g0, %i2, %i0
        restore %g0, %g0, %g0
        retl
        nop

instead of this:

t1:
        save -96, %o6, %o6
        subcc %i0, %i1, %l0
        be .LBBt1_2     !
        nop
.LBBt1_1:       !
        or %g0, %i2, %i0
.LBBt1_2:       !
        restore %g0, %g0, %g0
        retl
        nop

for this:

int %t1(int %a, int %b, int %c) {
        %tmp.2 = seteq int %a, %b
        %tmp3 = select bool %tmp.2, int %a, int %c
        ret int %tmp3
}


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25809 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 05:35:57 +00:00
Chris Lattner
6f63001214 Two changes: 
1. Default to having V9 instructions, instead of just V8.
2. unless -enable-sparc-v9-insts is passed, disable V9 (for use with llcbeta)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25807 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 04:57:43 +00:00
Chris Lattner
dea9528f7f When lowering SELECT_CC, see if the input is a lowered SETCC. If so, fold 
the two operations together.  This allows us to compile this:

void %two(int %a, int* %b) {
        %tmp.2 = seteq int %a, 0
        %tmp.0.0 = select bool %tmp.2, int 10, int 20
        store int %tmp.0.0, int* %b
        ret void
}

into:

two:
        save -96, %o6, %o6
        or %g0, 20, %l0
        or %g0, 10, %l1
        subcc %i0, 0, %l2
        be .LBBtwo_2    ! entry
        nop
.LBBtwo_1:      ! entry
        or %g0, %l0, %l1
.LBBtwo_2:      ! entry
        st %l1, [%i1]
        restore %g0, %g0, %g0
        retl
        nop

instead of:

two:
        save -96, %o6, %o6
        sethi 0, %l0
        or %g0, 1, %l1
        or %g0, 20, %l2
        or %g0, 10, %l3
        subcc %i0, 0, %l4
        be .LBBtwo_2    ! entry
        nop
.LBBtwo_1:      ! entry
        or %g0, %l0, %l1
.LBBtwo_2:      ! entry
        subcc %l1, 0, %l0
        bne .LBBtwo_4   ! entry
        nop
.LBBtwo_3:      ! entry
        or %g0, %l2, %l3
.LBBtwo_4:      ! entry
        st %l3, [%i1]
        restore %g0, %g0, %g0
        retl
        nop


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25806 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 04:34:44 +00:00
Jeff Cohen
85046901b8 Add AddSymbol() method to DynamicLibrary to work around Windows limitation 
of being unable to search for symbols in an EXE.  It will also allow other
existing hacks to be improved.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25805 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 04:33:51 +00:00
Chris Lattner
0e753d617b don't insert an and node if it isn't needed here, this can prevent folding 
of lowered target nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25804 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 04:22:28 +00:00
Chris Lattner
c6fd6cd65c Move MaskedValueIsZero from the DAGCombiner to the TargetLowering interface,making isMaskedValueZeroForTargetNode simpler, and useable from other partsof the compiler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25803 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 04:09:27 +00:00
Chris Lattner
4a397e0e94 Implement isMaskedValueZeroForTargetNode for the various v8 selectcc nodes, 
allowing redundant and's to be eliminated by the dag combiner.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25800 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 03:51:45 +00:00
Chris Lattner
5c413bc451 pass the address of MaskedValueIsZero into isMaskedValueZeroForTargetNode, 
to permit recursion


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25799 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 03:49:37 +00:00
Chris Lattner
87c890a9c2 adjust prototype 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25798 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-30 03:49:07 +00:00
Jeff Cohen
715bd76487 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25795 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 22:02:52 +00:00
Chris Lattner
6862dbc446 Fix RET of promoted values on targets that custom expand RET to a target node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25794 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 21:02:23 +00:00
Chris Lattner
37dd6f1b79 Functions that are lazily streamed in from the .bc file are *not* external. 
This fixes llvm-test/SingleSource/UnitTests/2006-01-29-SimpleIndirectCall.c
and PR704


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25793 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 20:49:17 +00:00
Chris Lattner
c7097afe51 add another note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25789 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 09:46:06 +00:00
Chris Lattner
5164a313e0 add some performance notes from looking at sgefa 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25788 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 09:42:20 +00:00
Chris Lattner
6a28456e18 add a high-priority SSE issue from sgefa 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25787 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 09:14:47 +00:00
Chris Lattner
b638cd89db add a missed optimization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25786 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 09:08:15 +00:00
Chris Lattner
68a17febc7 cleanups to the ValueTypeActions interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25785 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 08:42:06 +00:00
Chris Lattner
d9b55dd21a Now that OpActions is big enough, we can specify actions for vector types 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25784 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 08:41:37 +00:00
Chris Lattner
3e6e8cc26b clean up interface to ValueTypeActions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25783 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 08:41:12 +00:00
Chris Lattner
70814bc384 Remove some special case hacks for CALLSEQ_*, using UpdateNodeOperands 
instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25780 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 07:58:15 +00:00
Chris Lattner
3fd327fe7f disable this for now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25778 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 07:31:33 +00:00
Reid Spencer
2ce5b263ba Add a note about lowering llvm.memset, llvm.memcpy, and llvm.memmove to a 
few stores under certain conditions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25777 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 06:48:25 +00:00
Chris Lattner
0fc9c26e7d remove now-dead code, the legalizer takes care of this for us 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25776 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 06:45:31 +00:00
Chris Lattner
44d9b9bb86 The FP stack doesn't support UNDEF, ask the legalizer to legalize it 
instead of lying and saying we have it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25775 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 06:44:22 +00:00
Chris Lattner
8ca05e0c30 Allow custom expansion of ConstantVec nodes. PPC will use this in the future. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25774 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 06:34:16 +00:00
Chris Lattner
ec4a0c7c6b Request expansion of ConstantVec nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25773 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 06:32:58 +00:00
Chris Lattner
3181a771ff Legalize ConstantFP into TargetConstantFP when the target allows. Implement 
custom expansion of ConstantFP nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25772 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 06:26:56 +00:00
Chris Lattner
a54aa94197 Targets all now request ConstantFP to be legalized into TargetConstantFP. 
'fpimm' in .td files is now TargetConstantFP.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25771 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 06:26:08 +00:00
Chris Lattner
08a90229ae Update alpha to reflect recent constantfp legalize changes. It's not clear 
why all this code isn't autogenerated. :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25770 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 06:25:22 +00:00
Chris Lattner
03d5e877fd eliminate uses of SelectionDAG::getBR2Way_CC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25767 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 06:00:45 +00:00
Chris Lattner
c7e1852d63 cmovle != cmovlt 
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 2006-01-29 03:47:30 +00:00
Jeff Cohen
b8643ac476 Fix typo. 
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 2006-01-29 03:45:35 +00:00
Jeff Cohen
c4013d6772 Flesh out AMD family/models. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25755 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 20:30:18 +00:00
Jeff Cohen
216d281d0a Correctly determine CPU vendor. 
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 2006-01-28 19:48:34 +00:00
Jeff Cohen
a349640b7f Use union instead of reinterpret_cast. 
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 2006-01-28 18:47:32 +00:00
Jeff Cohen
7617717496 Fix recognition of Intel CPUs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25750 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 18:38:20 +00:00
Chris Lattner
c2fad16155 Is64Bit reflects the capability of the chip, not an aspect of the target os 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25749 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 18:23:48 +00:00
Chris Lattner
dabbc98396 Fix a bunch of JIT failures with the new isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25748 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 18:19:37 +00:00
Jeff Cohen
41adb0d679 Improve X86 subtarget support for Windows and AMD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25747 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 18:09:06 +00:00
Chris Lattner
c52ad4f04e Use the new "UpdateNodeOperands" method to simplify LegalizeDAG and make it 
faster.  This cuts about 120 lines of code out of the legalizer (mostly code
checking to see if operands have changed).

It also fixes an ugly performance issue, where the legalizer cloned the entire
graph after any change.  Now the "UpdateNodeOperands" method gives it a chance
to reuse nodes if the operands of a node change but not its opcode or valuetypes.

This speeds up instruction selection time on kimwitu++ by about 8.2% with a
release build.


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 2006-01-28 10:58:55 +00:00
Chris Lattner
6b2469c1ad silence a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25745 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 10:34:47 +00:00
Chris Lattner
809ec11088 add another method variant 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25744 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 10:09:25 +00:00
Chris Lattner
df6eb30fa9 add some methods for updating nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25742 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 09:32:45 +00:00
Chris Lattner
948c1b1cda minor tweaks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25740 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 08:31:04 +00:00
Chris Lattner
22cde6a518 move a bunch of code, no other change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25739 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 08:25:58 +00:00
Chris Lattner
7cd2997a83 remove a couple more now-extraneous legalizeop's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25738 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 08:22:56 +00:00
Chris Lattner
5c62f337fe fix a bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25737 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 07:42:08 +00:00
Chris Lattner
456a93afce Several major changes: 
1. Pull out the expand cases for BSWAP and CT* into a separate function,
   reducing the size of LegalizeOp.
2. Fix a bug where expand(bswap i64) was wrong when i64 is legal.
3. Changed LegalizeOp/PromoteOp so that the legalizer never needs to be
   iterative.  It now operates in a single pass over the nodes.
4. Simplify a LOT of code, with a net reduction of ~280 lines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25736 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 07:39:30 +00:00
Chris Lattner
e00ebf0aca Fix a bug in my elimination of ISD::CALL this morning. PPC now has to 
provide the expansion for i64 calls itself


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 2006-01-28 07:33:03 +00:00
Chris Lattner
1e39a15b42 make this work on non-native hosts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25734 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 06:05:41 +00:00
Chris Lattner
969097968c add a note about how we should implement this FIXME from the legalizer: 
// FIXME: revisit this when we have some kind of mechanism by which targets
    // can decided legality of vector constants, of which there may be very
    // many.


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 2006-01-28 05:40:47 +00:00
Chris Lattner
8137c9e41d Eliminate the need for ExpandOp to set 'needsanotheriteration', as it already 
relegalizes the stuff it returns.

Add the ability to custom expand ADD/SUB, so that targets don't need to deal
with ADD_PARTS/SUB_PARTS if they don't want.

Fix some obscure potential bugs and simplify code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25732 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 05:07:51 +00:00
Chris Lattner
9c6b4b8c3a Instead of making callers of ExpandLibCall legalize the result, make 
ExpandLibCall do it itself.


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 2006-01-28 04:28:26 +00:00
Chris Lattner
0e8ea71a4f Eliminate the need to do another iteration of the legalizer after inserting 
a libcall.


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 2006-01-28 04:23:12 +00:00
Chris Lattner
04c62c78f4 remove method I just added 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25728 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 03:43:09 +00:00
Chris Lattner
4f16e70faa add a new callback 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25727 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 03:37:03 +00:00
Nate Begeman
0aed7840ec Implement Promote for VAARG, and allow it to be custom promoted for people 
who don't want the default behavior (Alpha).


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 2006-01-28 03:14:31 +00:00
Nate Begeman
eb20ed6c86 Add a couple more things to the readme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25724 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 01:22:10 +00:00
Nate Begeman
61af66e687 Add a missing case to the dag combiner. 
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 2006-01-28 01:06:30 +00:00
Chris Lattner
0ff5c27a00 Remove the ISD::CALL and ISD::TAILCALL nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25721 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 00:18:58 +00:00
Chris Lattner
34fa038f0c Remove some dead code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25719 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 00:02:51 +00:00
Chris Lattner
2d90bd5f42 Switch to AlphaISD::CALL instead of ISD::CALL 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25718 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 23:39:00 +00:00
Chris Lattner
281b55ebec Use PPCISD::CALL instead of ISD::CALL 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25717 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 23:34:02 +00:00
Chris Lattner
44ea7b1a6c Use V8ISD::CALL instead of ISD::CALL 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25716 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 23:30:03 +00:00
Evan Cheng
d41e9e5e7a A bit of wisdom from Chris on the last entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25715 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 22:54:32 +00:00
Evan Cheng
85214ba3cc AT&T assembly convention: registers are in lower case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25714 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 22:53:29 +00:00
Chris Lattner
184cc4ac60 initialize member vars 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25712 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 22:38:36 +00:00
Chris Lattner
104988a16a initialize all instance vars 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25711 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 22:37:09 +00:00
Chris Lattner
bba534dc66 Make llvm.frame/returnaddr not crash on ppc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25710 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 22:25:06 +00:00
Evan Cheng
e826a018b9 Added notes about a x86 isel deficiency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25706 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 22:11:01 +00:00
Evan Cheng
dbd38d7f64 Added a temporary option -enable-x86-sse to enable sse support. It is used by 
llc-beta.


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 2006-01-27 21:49:34 +00:00
Evan Cheng
8e44f0756f Bye bye Pattern ISel, hello DAG ISel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25700 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 21:26:54 +00:00
Nate Begeman
ee625573b5 Remove TLI.LowerReturnTo, and just let targets custom lower ISD::RET for 
the same functionality.  This addresses another piece of bug 680.  Next,
on to fixing Alpha VAARG, which I broke last time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25696 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 21:09:22 +00:00
Jim Laskey
da427fa5da Using bit size of integers instead of ambiguous "long" et all. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25694 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 20:31:25 +00:00
Evan Cheng
b3a7e21b7e A better workaround 
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 2006-01-27 19:30:30 +00:00
Jim Laskey
3ea0e0e005 Sorry - really folowing convention. 
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 2006-01-27 18:32:41 +00:00
Chris Lattner
9f96a32831 force sse/3dnow off until they work. This fixes all the x86 failures last night 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25690 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 18:30:50 +00:00
Jim Laskey
bb5830d127 Following convention. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25689 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 18:28:31 +00:00
Chris Lattner
c2493c45a0 Unbreak the JIT with SSE 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25688 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 18:27:18 +00:00
Andrew Lenharth
97d938c971 fix build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25687 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 18:16:17 +00:00
Chris Lattner
22760af21f Fix build error that is apparently only a warning with some compilers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25686 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 17:31:30 +00:00
Jim Laskey
1a05851a27 Forgot the version number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25685 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 15:46:54 +00:00
Jim Laskey
d8f77bae03 Improve visibility/correctness of operand indices in "llvm.db" objects. 
Handle 64 in DIEs.


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 2006-01-27 15:20:54 +00:00
Reid Spencer
e2a5fb0e08 Fix auto-upgrade of intrinsics to work properly with both assembly and 
bytecode reading. This code is crufty, the result of much hacking to get things
working correctly. Cleanup patches will follow.


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 2006-01-27 11:49:27 +00:00
Evan Cheng
559806f575 x86 CPU detection and proper subtarget support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25679 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 08:10:46 +00:00
Evan Cheng
19c9550744 Subtarget feature can now set any variable to any value 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25678 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 08:09:42 +00:00
Chris Lattner
0264d1a477 Stub out a method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25676 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 02:10:10 +00:00
Chris Lattner
cedc6f4b30 PHI and INLINEASM are now built-in instructions provided by Target.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25674 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 01:46:15 +00:00
Chris Lattner
3b0d1d71d1 Add a default NoItinerary class for targets to use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25670 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 01:41:38 +00:00
Chris Lattner
acc43bf4ab Teach the scheduler to emit the appropriate INLINEASM MachineInstr for an 
ISD::INLINEASM node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25668 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 23:28:04 +00:00
Chris Lattner
ce7518ce92 initial selectiondag support for new INLINEASM node. Note that inline asms 
with outputs or inputs are not supported yet. :)


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 2006-01-26 22:24:51 +00:00
Jim Laskey
6e87c0e029 Use global information to fill out Dwarf compile units. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25662 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 21:22:49 +00:00
Jeff Cohen
9471c8a93b Improve compatibility with VC2005, patch by Morten Ofstad! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25661 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 20:41:32 +00:00
Chris Lattner
4ccb070f15 Implement a method for inline asm support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25660 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 20:37:03 +00:00
Jim Laskey
b3e789ac25 Set up MachineDebugInfo to scan for debug information form "llvm.db"g globals. 
Global Variable information is now pulled from "llvm.dbg.globals"


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 2006-01-26 20:21:46 +00:00
Chris Lattner
38f7373018 Improve compatibility with VC2005, patch by Morten Ofstad! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25653 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 19:55:20 +00:00
Andrew Lenharth
9d90144099 dynamically allocate plugin space as needed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25652 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 19:38:58 +00:00
Andrew Lenharth
4b934766bd Remember plugins should someone like bugpoint want to know them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25649 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 18:36:50 +00:00
Evan Cheng
97c7fc351e Added preliminary x86 subtarget support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25645 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 09:53:06 +00:00
Duraid Madina
b0636041c8 fix stack corruption! Previously, 16-byte whole-FP-register stores were 
being treated as needing only 8 bytes (though they were 16 byte aligned.)

This should fix a bunch of tests - anyone have any comments, though?

  - in Target.td , SpillSize and SpillAlignment seem dead - is this what
    Size and Alignment do now?
  - in CodeGenRegisters.h/CodeGenTarget.cpp , DeclaredSpillSize and
    DeclaredSpillAlignment seem dead.
  - there are a bunch of comments here and there that don't clearly
    distinguish between 'size' and 'spillsize' etc. hmm.


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 2006-01-26 09:45:03 +00:00
Duraid Madina
d92f116a1c some hoovering 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25643 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 09:08:31 +00:00
Chris Lattner
4dcfaac2e3 Rest of subtarget support, remove references to ppc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25642 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 07:22:22 +00:00
Chris Lattner
0d170a7969 Add trivial subtarget support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25641 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 06:51:21 +00:00
Andrew Lenharth
9e234856fe minor renaming 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25640 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 03:24:15 +00:00
Andrew Lenharth
cd1544eede allow R28 to be used for frame calculations without entirely removing it from circulation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25639 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 03:22:07 +00:00
Evan Cheng
67caa39e4c Work around some x86 Darwin assembler bugs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25638 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 02:27:43 +00:00
Chris Lattner
f0b415f178 add method for constraint parsing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25637 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 02:21:59 +00:00
Evan Cheng
9bba894596 When trying to fold X86::SETCC into a Select, make a copy if it has more than 
one use. This allows more CMOV instructions.


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 2006-01-26 02:13:10 +00:00
Chris Lattner
f47a6b4882 teach the cloner to handle inline asms 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25633 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 01:55:22 +00:00
Chris Lattner
3b91778659 parse and verify the constraint string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25631 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 00:48:33 +00:00
Evan Cheng
cdf3838bf1 Clean up some code; improve efficiency; and fixed a potential bug involving 
chain successors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25630 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 00:30:29 +00:00
Evan Cheng
71fb9ad5d9 Remove the uses of STATUS flag register. Rely on node property SDNPInFlag, 
SDNPOutFlag, and SDNPOptInFlag instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25629 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 00:29:36 +00:00
Chris Lattner
3188b73642 Make sure the only user of InlineAsm's are direct calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25626 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-26 00:08:45 +00:00
Andrew Lenharth
677c4f2cbc oops 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25623 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-25 23:33:32 +00:00
Chris Lattner
3bc5a60b80 add bc reader/writer support for inline asm 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25621 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-25 23:08:15 +00:00
Andrew Lenharth
5f8f0e219d forgot one 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25620 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-25 22:28:07 +00:00
Chris Lattner
0e9c376761 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25619 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-25 22:27:16 +00:00
Chris Lattner
aa2c853766 Parse inline asm objects 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25618 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-25 22:26:43 +00:00