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Author SHA1 Message Date
Chris Lattner
ce37ba3417 Print the most trivial inline asms. 
llvm-svn: 25822
 2006-01-30 23:00:08 +00:00
Chris Lattner
e24c6ef1f9 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

llvm-svn: 25821
 2006-01-30 22:43:50 +00:00
Chris Lattner
21fc565586 new testcase for the 'C++' failures last night. 
llvm-svn: 25820
 2006-01-30 22:43:10 +00:00
Chris Lattner
3ae06dac75 Fix FP constants, and the SparcV8/2006-01-22-BitConvertLegalize.ll failure from last night 
llvm-svn: 25819
 2006-01-30 22:20:49 +00:00
Evan Cheng
8ea651a9a4 i64 -> f32, f32 -> i64 and some clean up. 
llvm-svn: 25818
 2006-01-30 22:13:22 +00:00
Evan Cheng
d2d96373dc 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.

llvm-svn: 25817
 2006-01-30 08:02:57 +00:00
Evan Cheng
153b75f154 One more getTargetNode() variant shouldn't hurt... 
llvm-svn: 25816
 2006-01-30 07:47:47 +00:00
Chris Lattner
baa47e9a6e 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.

llvm-svn: 25815
 2006-01-30 07:43:04 +00:00
Chris Lattner
7925da8b3b 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

llvm-svn: 25814
 2006-01-30 06:14:02 +00:00
Chris Lattner
0551b3fcba new testcase 
llvm-svn: 25813
 2006-01-30 06:11:36 +00:00
Chris Lattner
5583b2e227 Clear the OpAction field before setting it. This allows a target to set 
an instruction operation action to Expand, then set it to Legal later.

llvm-svn: 25812
 2006-01-30 06:09:03 +00:00
Chris Lattner
0c7df7e9d1 If the target has V9 instructions, this pass is a noop, don't bother 
running it.

llvm-svn: 25811
 2006-01-30 05:51:14 +00:00
Chris Lattner
69658ab9a8 When in v9 mode, emit fabsd/fnegd/fmovd 
llvm-svn: 25810
 2006-01-30 05:48:37 +00:00
Chris Lattner
98667e5f6a 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
}

llvm-svn: 25809
 2006-01-30 05:35:57 +00:00
Chris Lattner
8b5958a832 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)

llvm-svn: 25807
 2006-01-30 04:57:43 +00:00
Chris Lattner
f0ea60bc01 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

llvm-svn: 25806
 2006-01-30 04:34:44 +00:00
Jeff Cohen
d80b0d7375 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.

llvm-svn: 25805
 2006-01-30 04:33:51 +00:00
Chris Lattner
4ba0e38a7a don't insert an and node if it isn't needed here, this can prevent folding 
of lowered target nodes.

llvm-svn: 25804
 2006-01-30 04:22:28 +00:00
Chris Lattner
a44182300b Move MaskedValueIsZero from the DAGCombiner to the TargetLowering interface,making isMaskedValueZeroForTargetNode simpler, and useable from other partsof the compiler. 
llvm-svn: 25803
 2006-01-30 04:09:27 +00:00
Chris Lattner
a1cc69e24e Move MaskedValueIsZero from the DAGCombiner to the TargetLowering interface, 
making isMaskedValueZeroForTargetNode simpler, and useable from other parts
of the compiler.

llvm-svn: 25802
 2006-01-30 04:08:18 +00:00
Jeff Cohen
adacd55e5d Add _CRT_SECURE_NO_DEPRECATE preprocessor symbol to make VS2005 happy. 
llvm-svn: 25801
 2006-01-30 04:07:08 +00:00
Chris Lattner
354340b1b1 Implement isMaskedValueZeroForTargetNode for the various v8 selectcc nodes, 
allowing redundant and's to be eliminated by the dag combiner.

llvm-svn: 25800
 2006-01-30 03:51:45 +00:00
Chris Lattner
26589d32e6 pass the address of MaskedValueIsZero into isMaskedValueZeroForTargetNode, 
to permit recursion

llvm-svn: 25799
 2006-01-30 03:49:37 +00:00
Chris Lattner
754bc1f46c adjust prototype 
llvm-svn: 25798
 2006-01-30 03:49:07 +00:00
Chris Lattner
7f64ff5ce0 Pass the address of the main MaskedValueIsZero function to allow recursion. 
llvm-svn: 25797
 2006-01-30 03:48:36 +00:00
Chris Lattner
c97d0d1f21 fix make install/uninstall of libcrtend. 
llvm-svn: 25796
 2006-01-30 02:03:56 +00:00
Jeff Cohen
f8d118706f Fix indentation. 
llvm-svn: 25795
 2006-01-29 22:02:52 +00:00
Chris Lattner
414a73d6f6 Fix RET of promoted values on targets that custom expand RET to a target node. 
llvm-svn: 25794
 2006-01-29 21:02:23 +00:00
Chris Lattner
2ab7f21d20 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

llvm-svn: 25793
 2006-01-29 20:49:17 +00:00
Chris Lattner
b7616b85bc simplify some code 
llvm-svn: 25791
 2006-01-29 20:01:35 +00:00
Jim Laskey
761a12ff28 Remove extra qualifier. 
llvm-svn: 25790
 2006-01-29 09:52:11 +00:00
Chris Lattner
9bb580ac23 add another note 
llvm-svn: 25789
 2006-01-29 09:46:06 +00:00
Chris Lattner
7ec490d6d6 add some performance notes from looking at sgefa 
llvm-svn: 25788
 2006-01-29 09:42:20 +00:00
Chris Lattner
7a775bff1e add a high-priority SSE issue from sgefa 
llvm-svn: 25787
 2006-01-29 09:14:47 +00:00
Chris Lattner
7048df99cd add a missed optimization 
llvm-svn: 25786
 2006-01-29 09:08:15 +00:00
Chris Lattner
497157db4d cleanups to the ValueTypeActions interface 
llvm-svn: 25785
 2006-01-29 08:42:06 +00:00
Chris Lattner
4c6384a412 Now that OpActions is big enough, we can specify actions for vector types 
llvm-svn: 25784
 2006-01-29 08:41:37 +00:00
Chris Lattner
81edad23a6 clean up interface to ValueTypeActions 
llvm-svn: 25783
 2006-01-29 08:41:12 +00:00
Chris Lattner
a8ca8f5eb9 Clean up the interface to ValueTypeActions, allowing Legalize to use a copy 
of it more cleanly.  Double the size of OpActions, allowing it to hold actions
for any VT.

llvm-svn: 25782
 2006-01-29 08:40:37 +00:00
Chris Lattner
488066e590 revert an accidental commit 
llvm-svn: 25781
 2006-01-29 07:59:37 +00:00
Chris Lattner
3cddcf86e0 Remove some special case hacks for CALLSEQ_*, using UpdateNodeOperands 
instead.

llvm-svn: 25780
 2006-01-29 07:58:15 +00:00
Chris Lattner
9cb1135f52 remove some methods 
llvm-svn: 25779
 2006-01-29 07:57:11 +00:00
Chris Lattner
00e9ba5526 disable this for now 
llvm-svn: 25778
 2006-01-29 07:31:33 +00:00
Reid Spencer
2669d4cb81 Add a note about lowering llvm.memset, llvm.memcpy, and llvm.memmove to a 
few stores under certain conditions.

llvm-svn: 25777
 2006-01-29 06:48:25 +00:00
Chris Lattner
73262d78b8 remove now-dead code, the legalizer takes care of this for us 
llvm-svn: 25776
 2006-01-29 06:45:31 +00:00
Chris Lattner
b66484069a The FP stack doesn't support UNDEF, ask the legalizer to legalize it 
instead of lying and saying we have it.

llvm-svn: 25775
 2006-01-29 06:44:22 +00:00
Chris Lattner
94e9677374 Allow custom expansion of ConstantVec nodes. PPC will use this in the future. 
llvm-svn: 25774
 2006-01-29 06:34:16 +00:00
Chris Lattner
6c4173145e Request expansion of ConstantVec nodes. 
llvm-svn: 25773
 2006-01-29 06:32:58 +00:00
Chris Lattner
3f97b9cfa3 Legalize ConstantFP into TargetConstantFP when the target allows. Implement 
custom expansion of ConstantFP nodes.

llvm-svn: 25772
 2006-01-29 06:26:56 +00:00
Chris Lattner
5f0a3df176 Targets all now request ConstantFP to be legalized into TargetConstantFP. 
'fpimm' in .td files is now TargetConstantFP.

llvm-svn: 25771
 2006-01-29 06:26:08 +00:00