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9300 Commits

Author SHA1 Message Date
Chris Lattner
f8161d83f0 Implement some more missing promotions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19606 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 05:06:12 +00:00
Chris Lattner
8102fcde4c Fix bugpoint 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19605 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 04:23:22 +00:00
Chris Lattner
ccad8439e0 cycles_t -> CycleCount_t 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19604 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 04:20:30 +00:00
Chris Lattner
9467497ae2 Clarify assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19597 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 02:23:34 +00:00
Chris Lattner
7636512f59 Add assertions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19596 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 02:23:22 +00:00
Chris Lattner
c8ea3c4710 Add support for promoted registers being live across blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19595 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 02:23:07 +00:00
Reid Spencer
bdf6a39d1c Rename BUILD_* to PROJ_* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19592 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 02:21:29 +00:00
Tanya Lattner
5fd2ef1e43 Fixed a couple of instructions that broke SSA. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19587 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 02:14:17 +00:00
Chris Lattner
638559aaa3 Improve compatiblity with HPUX on Itanium, patch by Duraid Madina 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19586 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 01:31:31 +00:00
Chris Lattner
cfdfe4ce4a Set up identity transforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19584 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 01:20:18 +00:00
Chris Lattner
71c42a0190 Move some information into the TargetLowering object. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19583 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 01:11:45 +00:00
Chris Lattner
98e5c0e5e4 Use the new TLI method to get this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19582 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 01:11:19 +00:00
Chris Lattner
bb97d81cc8 Move some information out of LegalizeDAG into the generic Target interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19581 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 01:10:58 +00:00
Chris Lattner
1713e73b8a legalize a bunch of operations that I missed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19580 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 00:38:00 +00:00
Chris Lattner
fb849800ea Add support for targets that require promotions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19579 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 00:37:38 +00:00
Chris Lattner
ff3e50cc39 Fix some serious bugs in promotion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19578 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 00:17:42 +00:00
Chris Lattner
950aa3ca2c Eliminate unneeded extensions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19577 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 00:17:20 +00:00
Chris Lattner
8b6fa22e72 Implement promotion of a whole bunch more operators. I think that this is 
basically everything.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19576 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 22:16:26 +00:00
Chris Lattner
8a389bb376 Print extra type for nodes with extra type info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19575 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 21:11:37 +00:00
Chris Lattner
45b8caf1c5 Add support for legalizing FP_ROUND_INREG, SIGN_EXTEND_INREG, and 
ZERO_EXTEND_INREG for targets that don't support them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19573 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 07:15:18 +00:00
Chris Lattner
4ea6924444 Common code factored out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19572 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 07:14:32 +00:00
Chris Lattner
57bf3287dd implement these methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19571 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 06:52:40 +00:00
Chris Lattner
0f69b29108 Add support for promoting ADD/MUL. 
Add support for new SIGN_EXTEND_INREG, ZERO_EXTEND_INREG, and FP_ROUND_INREG operators.
Realize that if we do any promotions, we need to iterate SelectionDAG
construction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19569 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 06:18:18 +00:00
Chris Lattner
859157daee Add new SIGN_EXTEND_INREG, ZERO_EXTEND_INREG, and FP_ROUND_INREG operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19568 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 06:17:04 +00:00
Chris Lattner
45554a61f2 Add a new target-independent code generator flag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19567 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 06:00:32 +00:00
Chris Lattner
e9ef81dd2f Add support for truncstore and *extload. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19566 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 05:22:24 +00:00
Chris Lattner
03c8546ec5 Add intitial support for promoting some operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19565 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 05:21:40 +00:00
Reid Spencer
e1c6bfa385 We don't distribute the operating system specific directories any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19563 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 22:43:01 +00:00
Chris Lattner
69a52155d2 Adjust to CopyFromReg changes, implement deletion of truncating/extending 
stores/loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19562 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 22:38:01 +00:00
Chris Lattner
7f2afac1dc Adjust to CopyFromREg changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19561 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 22:37:41 +00:00
Chris Lattner
2ee743ff9b Start implementing truncating stores and extending loads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19559 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 22:08:15 +00:00
Chris Lattner
3c70764907 Fix Regression/CodeGen/PowerPC/2005-01-14-UndefLong.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19557 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 20:22:02 +00:00
Chris Lattner
fbd4de1d9b Fix: Regression/CodeGen/PowerPC/2005-01-14-SetSelectCrash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19555 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 19:31:00 +00:00
Chris Lattner
906ab50acf Fix some bugs in an xform added yesterday. This fixes Prolangs-C/allroots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19553 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 17:35:12 +00:00
Chris Lattner
6f7f02fdec Fix a compile crash on spiff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19552 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 17:17:59 +00:00
Chris Lattner
8f1d6402ba Improve compatibility with acc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19549 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 15:54:24 +00:00
Chris Lattner
9a791eaf8f Make this compatible with the HP/intel compiler. Fix by Duraid, thanks! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19548 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 15:53:26 +00:00
Jeff Cohen
3bbbcc113b Fix and improve win32 path validation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19545 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 04:09:39 +00:00
Reid Spencer
62582720e6 Make asctime_r work for HP/UX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19544 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 00:50:50 +00:00
Chris Lattner
4401c9cabe if two gep comparisons only differ by one index, compare that index directly. 
This allows us to better optimize begin() -> end() comparisons in common cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19542 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 00:20:05 +00:00
Chris Lattner
0b84c80c08 Do not overrun iterators. This fixes a 176.gcc crash 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19541 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 23:26:48 +00:00
Chris Lattner
87875dac89 Turn select C, (X+Y), (X-Y) --> (X+(select C, Y, (-Y))). This occurs in 
the 'sim' program and probably elsewhere.  In sim, it comes up for cases
like this:

#define round(x) ((x)>0.0 ? (x)+0.5 : (x)-0.5)
double G;
void T(double X) { G = round(X); }

(it uses the round macro a lot).  This changes the LLVM code from:

        %tmp.1 = setgt double %X, 0.000000e+00          ; <bool> [#uses=1]
        %tmp.4 = add double %X, 5.000000e-01            ; <double> [#uses=1]
        %tmp.6 = sub double %X, 5.000000e-01            ; <double> [#uses=1]
        %mem_tmp.0 = select bool %tmp.1, double %tmp.4, double %tmp.6
        store double %mem_tmp.0, double* %G

to:

        %tmp.1 = setgt double %X, 0.000000e+00          ; <bool> [#uses=1]
        %mem_tmp.0.p = select bool %tmp.1, double 5.000000e-01, double -5.000000e-01
        %mem_tmp.0 = add double %mem_tmp.0.p, %X
        store double %mem_tmp.0, double* %G
        ret void


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19537 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 22:52:24 +00:00
Chris Lattner
e9d782b7be Implement an optimization for == and != comparisons like this: 
_Bool test2(int X, int Y) {
  return &arr[X][Y] == arr;
}

instead of generating this:

bool %test2(int %X, int %Y) {
        %tmp.3.idx = mul int %X, 160            ; <int> [#uses=1]
        %tmp.3.idx1 = shl int %Y, ubyte 2               ; <int> [#uses=1]
        %tmp.3.offs2 = sub int 0, %tmp.3.idx            ; <int> [#uses=1]
        %tmp.7 = seteq int %tmp.3.idx1, %tmp.3.offs2            ; <bool> [#uses=1]
        ret bool %tmp.7
}


generate this:

bool %test2(int %X, int %Y) {
        seteq int %X, 0         ; <bool>:0 [#uses=1]
        seteq int %Y, 0         ; <bool>:1 [#uses=1]
        %tmp.7 = and bool %0, %1                ; <bool> [#uses=1]
        ret bool %tmp.7
}

This idiom occurs in C++ programs when iterating from begin() to end(),
in a vector or array.  For example, we now compile this:

void test(int X, int Y) {
  for (int *i = arr; i != arr+100; ++i)
    foo(*i);
}

to this:

no_exit:                ; preds = %entry, %no_exit
	...
        %exitcond = seteq uint %indvar.next, 100                ; <bool> [#uses=1]
        br bool %exitcond, label %return, label %no_exit



instead of this:

no_exit:                ; preds = %entry, %no_exit
	...
        %inc5 = getelementptr [100 x [40 x int]]* %arr, int 0, int 0, int %inc.rec              ; <int*> [#uses=1]
        %tmp.8 = seteq int* %inc5, getelementptr ([100 x [40 x int]]* %arr, int 0, int 100, int 0)              ; <bool> [#uses=1]
        %indvar.next = add uint %indvar, 1              ; <uint> [#uses=1]
        br bool %tmp.8, label %return, label %no_exit


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19536 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 22:25:21 +00:00
Chris Lattner
18c2f13e0f Add new ImplicitDef node, rename CopyRegSDNode class to RegSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19535 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 20:50:02 +00:00
Chris Lattner
5bdf04cc8e Fix some bugs in code I didn't mean to check in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19534 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 20:40:58 +00:00
Chris Lattner
574da9ba0b Fix a crash compiling 129.compress 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19533 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 20:14:25 +00:00
Chris Lattner
1d50b7fa53 Codegen factor nodes more intelligently according to perceived register pressure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19532 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 19:56:00 +00:00
Chris Lattner
5a6c6d98d5 Don't forget the existing root. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19531 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 19:53:14 +00:00
Chris Lattner
c35807155c Initial trivial (but stupid) codegen for this node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19529 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 18:01:36 +00:00
Chris Lattner
ddb870b065 Codegen independent ops as being independent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19528 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 17:59:43 +00:00
Chris Lattner
a385e9b20f Legalize new node, add assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19527 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 17:59:25 +00:00
Chris Lattner
282c5cae89 Print new node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19526 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 17:59:10 +00:00
Chris Lattner
636e79a20f Add some really pedantic assertions to the load folding code. Fix a bunch 
of cases where we accidentally emitted a load folded once and unfolded
elsewhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19522 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 05:53:16 +00:00
Chris Lattner
2f0ca79a75 Do not fold (zero_ext (sign_ext V)) -> (sign_ext V), they are not the same. 
This fixes llvm-test/SingleSource/Regression/C/casts.c


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19519 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 18:51:15 +00:00
Chris Lattner
a0bb692b27 We can only fold a load into an op if there is exactly one use of the value. 
Checking to see if the load has two uses is not equivalent, as the chain
value may have zero uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19518 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 18:38:26 +00:00
Chris Lattner
5c88456227 New method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19517 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 18:37:47 +00:00
Chris Lattner
2dad454af6 Fix sign extend to long. When coming from sbyte, we used to generate: 
movsbl 4(%esp), %eax
        movl %eax, %edx
        sarl $7, %edx

Now we generate:

        movsbl 4(%esp), %eax
        movl %eax, %edx
        sarl $31, %edx

Which is right.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19515 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 18:19:52 +00:00
Chris Lattner
9bbd992eb1 Try both ways to fold an add together. This allows us to generate this code 
imul %EAX, %EAX, 400
        add %ECX, %EAX
        add %ESI, DWORD PTR [%ECX + 4*%EDX]
        inc %EDX
        cmp %EDX, 100

instead of this:

        imul %EAX, %EAX, 400
        add %ECX, %EAX
        mov %EAX, %EDX
        shl %EAX, 2
        add %ECX, %EAX
        add %ESI, DWORD PTR [%ECX]
        inc %EDX
        cmp %EDX, 100


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19513 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 18:08:53 +00:00
Reid Spencer
3bfbf4ea99 Shut up warnings with GCC 3.4.3 about uninitialized variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19512 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 14:53:45 +00:00
Chris Lattner
2b9378646d Fix a major miscompilation where we were overwriting the scale reg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19511 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 07:33:20 +00:00
Chris Lattner
48034fd9f1 Do not use the type of the RHS constant to determine the type of the operation. 
This fails for shifts because the constant is always 8 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19508 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 05:22:07 +00:00
Chris Lattner
a23ccfb124 Do not lose the offset from teh global when peephole optimizing instructions. 
This fixes FreeBench/pcompress


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19507 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 05:17:28 +00:00
Chris Lattner
507bdf9488 Silence VC++ warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19506 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 04:51:37 +00:00
Jeff Cohen
603fea9eb6 Fix C++ more compilatiom errors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19504 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 04:29:05 +00:00
Chris Lattner
a56cea4495 Fix a compile error with VC++, which things that static const arrays need 
to be dynamically initialized. :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19503 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 04:23:22 +00:00
Chris Lattner
7dbcb75b15 Fix a bug that caused us to crash on povray. We weren't emitting an FP_REG_KILL into a block that had a successor with a FP PHI node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19502 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 04:21:28 +00:00
Chris Lattner
e11a9a93a8 Print a load of a null pointer (in intel mode) like this: 
mov %AX, WORD PTR [0]

instead of like this:

        mov %AX, WORD PTR []


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19501 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 04:07:11 +00:00
Chris Lattner
9f2cb3da48 Print a load of a null pointer like this: 
movw 0, %ax

instead of like this:

        movw , %ax


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19500 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 04:05:19 +00:00
Chris Lattner
085c9955ca Fix a crash compiling povray on UINT_TO_FP from i16. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19499 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 04:00:00 +00:00
Chris Lattner
7944d9d995 Add an option to view the selection dags as they are generated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19498 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 03:41:21 +00:00
Chris Lattner
4292830fe5 There are no [mem] op= reg instructions for FP, so remove their entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19496 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 03:16:09 +00:00
Chris Lattner
db8c368d7b Fix a bug where we didn't insert FP_REG_KILL instructions into MBB's that 
contain FP PHI nodes but no other FP defining instructions.  This fixes
183.equake


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19495 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 02:57:10 +00:00
Chris Lattner
afce4306ec Fold TRUNCATE (LOAD P) into a smaller load from P. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19494 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 02:19:06 +00:00
Chris Lattner
ef6806c979 Be more careful about order of arg evalution for CopyToReg nodes. This shrinks 
256.bzip2 from 7142 to 7103 lines of .s file.

Second, add initial support for folding loads into compares, though this code
is dynamically dead for now. :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19493 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 02:02:48 +00:00
Chris Lattner
7ea64f5d12 Fold some more [mem] op= val operators. This allows us to things like this 
several times in 256.bzip2:

        mov %EAX, DWORD PTR [%ESP + 204]
-       mov %EAX, DWORD PTR [%EAX]
-       or %EAX, 2097152
-       mov %ECX, DWORD PTR [%ESP + 204]
-       mov DWORD PTR [%ECX], %EAX
+       or DWORD PTR [%EAX], 2097152


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19492 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 01:28:00 +00:00
Chris Lattner
dbba22fa2a Fold loads into sign/zero extends. instead of: 
mov %AL, BYTE PTR [%EDX + l18_length_code]
  movzx %EAX, %AL

Emit:

  movzx %EAX, BYTE PTR [%EDX + l18_length_code]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19489 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 23:33:00 +00:00
Chris Lattner
837caa7223 Comment out debug code :) 
Select [mem] += Val operations.  For constants, we used to get:

  mov %ECX, -32768
  add %ECX, DWORD PTR [l4_match_start]
  mov DWORD PTR [l4_match_start], %ECX

Now we get:

  add DWORD PTR [l4_match_start], -32768

For other values we used to get:

  mov %EBP, %EDI   ;; because the add destroys the value
  add %EBP, DWORD PTR [l4_input_len]
  mov DWORD PTR [l4_input_len], %EBP

now we get:

  add DWORD PTR [l4_input_len], %EDI

Both of these use less registers than the alternative, are faster and smaller.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19488 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 23:21:30 +00:00
Chris Lattner
5f75d9a88c Handle the global address case here, not just the offset case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19487 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 22:58:43 +00:00
Chris Lattner
c4b6a78980 Treat int constants as not requiring a register, since they are almost always 
folded into an instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19486 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 22:29:12 +00:00
Chris Lattner
c871e1d56f Print the value types in the nodes of the graph 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19485 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 22:21:04 +00:00
Chris Lattner
f1fdacae8c add an assertion, avoid creating copyfromreg/copytoreg pairs that are the 
same for PHI nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19484 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 22:03:46 +00:00
Chris Lattner
a5ade060db * Factor a bunch of binary operator cases into shared code. 
* Fold loads into Add, sub, and, or, xor and mul when possible.
* Codegen shl X, 1 as add X, X


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19483 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 21:19:59 +00:00
Chris Lattner
7abf820182 Clear the whole array, always. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19482 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 20:25:26 +00:00
Chris Lattner
947d544e29 Fold multiplies by 3,5,9 into addressing modes when possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19480 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 19:37:02 +00:00
Chris Lattner
64da653ba9 Squelch optimized warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19475 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 17:46:49 +00:00
Chris Lattner
51a263434a Instead of generating stuff like this: 
mov %ECX, %EAX
        add %ECX, 32768
        mov %SI, WORD PTR [2*%ECX + l13_prev]

Generate this:

        mov %SI, WORD PTR [2*%ECX + l13_prev + 65536]

This occurs when you have a GEP instruction where an index is
"something + imm".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19472 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 06:36:20 +00:00
Chris Lattner
31805bf2b6 Implement MEMCPY natively in terms of rep movs* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19468 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 06:19:26 +00:00
Chris Lattner
989de030c4 Implement memset -> rep stos* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19467 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 06:14:36 +00:00
Chris Lattner
795069dd38 Announce that we don't support mem ops yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19466 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 05:57:36 +00:00
Chris Lattner
e1bd822ddb Teach legalize to lower MEMSET/MEMCPY/MEMMOVE operations if the target 
does not support them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19465 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 05:57:22 +00:00
Chris Lattner
4c633e82f6 Print new operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19464 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 05:57:01 +00:00
Chris Lattner
7041ee35ad Turn memset/memcpy/memmove into the corresponding operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19463 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 05:56:49 +00:00
Chris Lattner
a95589be3f Teach the address selector to make 'reg+reg' addressing modes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19457 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 04:40:19 +00:00
Reid Spencer
99f997d2c1 Add the LOADABLE_MODULE=1 directive to indicate that this shared library is 
intended to be a dlopenable module and not a "plain" shared library.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19456 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 04:33:32 +00:00
Chris Lattner
d4dab929d8 Emit NOT instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19455 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 04:31:30 +00:00
Chris Lattner
a8d9cc8705 shift X, 0 -> X 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19453 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 04:25:13 +00:00
Chris Lattner
6c07aee7c9 Fix a bug emitting branches that broke a lot of programs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19452 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 04:06:27 +00:00
Chris Lattner
ef7ba0756b Be more careful where we set ContainsFPCode. We were missing a set in the 
int -> FP casting code.  Note that we don't have to set it for FP operations
that take FP values as operands: whatever produces the FP value will set the
flag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19451 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 03:50:45 +00:00
Chris Lattner
a3aa2e2882 Fix a major bug in setcc/cmov folding, where we accidentally 
inverted the sense of the comparison.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19450 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 03:37:59 +00:00
Chris Lattner
1133309e57 Take register pressure into account when we have to decide whether to 
evaluate the LHS or the RHS of an operation first.  This causes good things
to happen.  For example, instead of compiling a loop to this:

.LBBstrength_result7_1: # loopentry
        movl 16(%esp), %edi
        movl (%edi), %edi             ;;; LOAD
        movl (%ecx), %ebx
        movl $2, (%eax,%ebx,4)
        movl (%edx), %ebx
        movl %esi, %ebp
        addl $21, %ebp
        addl $42, %esi
        cmpl $0, %edi                 ;;; USE
        cmovne %esi, %ebp
        cmpl %ebp, %ebx
        movl %ebp, %esi
        jg .LBBstrength_result7_1

We now compile it to this:

.LBBstrength_result7_1: # loopentry
        movl %edi, %ebx
        addl $42, %ebx
        addl $21, %edi
        movl (%ecx), %ebp              ;; LOAD
        cmpl $0, %ebp                  ;; USE
        cmovne %ebx, %edi
        movl (%edx), %ebx
        movl $2, (%eax,%ebx,4)
        movl (%esi), %ebx
        cmpl %edi, %ebx
        jg .LBBstrength_result7_1

Which reduces register pressure enough (in this case) to avoid spilling in the
loop.

As another example, consider the CodeGen/X86/regpressure.ll testcase.  We
used to generate this code for both cases:

regpressure1:
        subl $32, %esp
        movl %esi, 12(%esp)
        movl %edi, 8(%esp)
        movl %ebx, 4(%esp)
        movl %ebp, (%esp)
        movl 36(%esp), %ecx
        movl (%ecx), %eax
        movl 4(%ecx), %edx
        movl %edx, 24(%esp)
        movl 8(%ecx), %edx
        movl %edx, 16(%esp)
        movl 12(%ecx), %edx
        movl 16(%ecx), %esi
        movl 20(%ecx), %edi
        movl 24(%ecx), %ebx
        movl %ebx, 28(%esp)
        movl 28(%ecx), %ebx
        movl 32(%ecx), %ebp
        movl %ebp, 20(%esp)
        movl 36(%ecx), %ecx
        imull 24(%esp), %eax
        imull 16(%esp), %eax
        imull %edx, %eax
        imull %esi, %eax
        imull %edi, %eax
        imull 28(%esp), %eax
        imull %ebx, %eax
        imull 20(%esp), %eax
        imull %ecx, %eax
        movl (%esp), %ebp
        movl 4(%esp), %ebx
        movl 8(%esp), %edi
        movl 12(%esp), %esi
        addl $32, %esp
        ret

This code is basically trying to do all of the loads first, then execute all
of the multiplies.  Because we run out of registers, lots of spill code happens.
We now generate this code for both cases:

regpressure1:
        movl 4(%esp), %ecx
        movl (%ecx), %eax
        movl 4(%ecx), %edx
        imull %edx, %eax
        movl 8(%ecx), %edx
        imull %edx, %eax
        movl 12(%ecx), %edx
        imull %edx, %eax
        movl 16(%ecx), %edx
        imull %edx, %eax
        movl 20(%ecx), %edx
        imull %edx, %eax
        movl 24(%ecx), %edx
        imull %edx, %eax
        movl 28(%ecx), %edx
        imull %edx, %eax
        movl 32(%ecx), %edx
        imull %edx, %eax
        movl 36(%ecx), %ecx
        imull %ecx, %eax
        ret

which is much nicer (when we fold loads into the muls it will be even better).
The old instruction selector used to produce the good code for regpressure1
but not for regpressure2, as it depended on the order of operations in the
LLVM code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19449 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 03:11:44 +00:00
Chris Lattner
e9c44cdf18 Print SelectionDAGs bottom up, include extra info in the node labels 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19447 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 00:34:33 +00:00
Chris Lattner
fc08d9c789 Add a marker for the graph root. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19445 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 23:52:04 +00:00
Chris Lattner
e0646b86e3 Put the operation name in each node, put the function name on the graph. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19444 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 23:26:00 +00:00
Chris Lattner
d75f19fa42 Split out SDNode::getOperationName into its own method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19443 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 23:25:25 +00:00
Chris Lattner
66328480bb Implement initial selectiondag printing support. This gets us a nice 
graph with no labels! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19441 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 23:08:40 +00:00
Chris Lattner
24aad1b0c1 Fold setcc instructions into selects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19438 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 22:10:13 +00:00
Chris Lattner
57fbfb5879 Add conditional moves for the parity flag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19437 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 22:09:33 +00:00
Chris Lattner
6b7598b995 Lower to the correct functions. This fixes FreeBench/fourinarow 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19436 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 21:02:37 +00:00
Chris Lattner
a13d3236d1 Implement 8-bit multiply for X86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19435 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 20:55:48 +00:00
Chris Lattner
281a601198 Rework constant pool handling so that function constant pools are no longer 
leaked to the system.  Now they are destroyed with the JITMemoryManager is
destroyed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19434 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 18:23:22 +00:00
Jeff Cohen
ecc1cef8bf Apply feedback from Chris. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19432 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 04:23:32 +00:00
Jeff Cohen
6e400f76e6 Apply feed back from Chris: 
1. Rename createLoaderPass to CreateProfileLoaderPass
  2. Opt shouldn't use the pass registered in CodeGen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19431 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 03:56:27 +00:00
Chris Lattner
68dc310942 Implement a couple of more simplifications. This lets us codegen: 
int test2(int * P, int* Q, int A, int B) {
        return P+A == P;
}

into:

test2:
        movl 4(%esp), %eax
        movl 12(%esp), %eax
        shll $2, %eax
        cmpl $0, %eax
        sete %al
        movzbl %al, %eax
        ret

instead of:

test2:
        movl 4(%esp), %eax
        movl 12(%esp), %ecx
        leal (%eax,%ecx,4), %ecx
        cmpl %eax, %ecx
        sete %al
        movzbl %al, %eax
        ret

ICC is producing worse code:

test2:
        movl      4(%esp), %eax                                 #8.5
        movl      12(%esp), %edx                                #8.5
        lea       (%edx,%edx), %ecx                             #9.9
        addl      %ecx, %ecx                                    #9.9
        addl      %eax, %ecx                                    #9.9
        cmpl      %eax, %ecx                                    #9.16
        movl      $0, %eax                                      #9.16
        sete      %al                                           #9.16
        ret                                                     #9.16

as is GCC (looks like our old code):

test2:
        movl    4(%esp), %edx
        movl    12(%esp), %eax
        leal    (%edx,%eax,4), %ecx
        cmpl    %edx, %ecx
        sete    %al
        movzbl  %al, %eax
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19430 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 02:03:02 +00:00
Chris Lattner
87ae6ae41c Fix incorrect constant folds, fixing Stepanov after the SHR patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19429 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 01:16:03 +00:00
Chris Lattner
8136d1f8cb Constant fold shifts, turning this loop: 
.LBB_Z5test0PdS__3:     # no_exit.1
        fldl data(,%eax,8)
        fldl 24(%esp)
        faddp %st(1)
        fstl 24(%esp)
        incl %eax
        movl $16000, %ecx
        sarl $3, %ecx
        cmpl %eax, %ecx
        fstpl 16(%esp)
        #FP_REG_KILL
        jg .LBB_Z5test0PdS__3   # no_exit.1

into:

.LBB_Z5test0PdS__3:     # no_exit.1
        fldl data(,%eax,8)
        fldl 24(%esp)
        faddp %st(1)
        fstl 24(%esp)
        incl %eax
        cmpl $2000, %eax
        fstpl 16(%esp)
        #FP_REG_KILL
        jl .LBB_Z5test0PdS__3   # no_exit.1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19427 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 00:07:15 +00:00
Reid Spencer
bccc8abc79 Rename Unix/*.cpp and Win32/*.cpp to have a *.inc suffix so that the silly 
gdb debugger doesn't get confused on which file it is reading (the one in
lib/System or the one in lib/System/{Win32,Unix})


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19426 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 23:29:00 +00:00
Chris Lattner
5cdcc58d51 Add some folds for == and != comparisons. This allows us to 
codegen this loop in stepanov:

no_exit.i:              ; preds = %entry, %no_exit.i, %then.i, %_Z5checkd.exit
        %i.0.0 = phi int [ 0, %entry ], [ %i.0.0, %no_exit.i ], [ %inc.0, %_Z5checkd.exit ], [ %inc.012, %then.i ]              ; <int> [#uses=3]
        %indvar = phi uint [ %indvar.next, %no_exit.i ], [ 0, %entry ], [ 0, %then.i ], [ 0, %_Z5checkd.exit ]          ; <uint> [#uses=3]
        %result_addr.i.0 = phi double [ %tmp.4.i.i, %no_exit.i ], [ 0.000000e+00, %entry ], [ 0.000000e+00, %then.i ], [ 0.000000e+00, %_Z5checkd.exit ]          ; <double> [#uses=1]
        %first_addr.0.i.2.rec = cast uint %indvar to int                ; <int> [#uses=1]
        %first_addr.0.i.2 = getelementptr [2000 x double]* %data, int 0, uint %indvar           ; <double*> [#uses=1]
        %inc.i.rec = add int %first_addr.0.i.2.rec, 1           ; <int> [#uses=1]
        %inc.i = getelementptr [2000 x double]* %data, int 0, int %inc.i.rec            ; <double*> [#uses=1]
        %tmp.3.i.i = load double* %first_addr.0.i.2             ; <double> [#uses=1]
        %tmp.4.i.i = add double %result_addr.i.0, %tmp.3.i.i            ; <double> [#uses=2]
        %tmp.2.i = seteq double* %inc.i, getelementptr ([2000 x double]* %data, int 0, int 2000)                ; <bool> [#uses=1]
        %indvar.next = add uint %indvar, 1              ; <uint> [#uses=1]
        br bool %tmp.2.i, label %_Z10accumulateIPddET0_T_S2_S1_.exit, label %no_exit.i

To this:

.LBB_Z4testIPddEvT_S1_T0__1:    # no_exit.i
        fldl data(,%eax,8)
        fldl 16(%esp)
        faddp %st(1)
        fstpl 16(%esp)
        incl %eax
        movl %eax, %ecx
        shll $3, %ecx
        cmpl $16000, %ecx
        #FP_REG_KILL
        jne .LBB_Z4testIPddEvT_S1_T0__1 # no_exit.i

instead of this:

.LBB_Z4testIPddEvT_S1_T0__1:    # no_exit.i
        fldl data(,%eax,8)
        fldl 16(%esp)
        faddp %st(1)
        fstpl 16(%esp)
        incl %eax
        leal data(,%eax,8), %ecx
        leal data+16000, %edx
        cmpl %edx, %ecx
        #FP_REG_KILL
        jne .LBB_Z4testIPddEvT_S1_T0__1 # no_exit.i


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19425 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 20:52:51 +00:00
Jeff Cohen
1d7b5de7ee Add last four createXxxPass functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19424 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 20:42:52 +00:00
Jeff Cohen
fd161e964a Fix VC++ compilation error 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19423 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 20:41:56 +00:00
Chris Lattner
ea946cdb1b Print the DAG out more like a DAG in nested format. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19422 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 20:38:33 +00:00
Chris Lattner
49d24716a4 Print out nodes sorted by their address to make it easier to find them in a list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19421 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 20:26:36 +00:00
Chris Lattner
bd9f0eefb2 Codegen (Reg|imm)+&GV as an LEA, because we cannot put it into the immediate field 
of an ADDri (due to current restrictions on MachineOperand :( ).  This allows
us to generate:

        leal Data+16000, %edx

instead of:

        movl $Data, %edx
        addl $16000, %edx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19420 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 20:20:29 +00:00
Chris Lattner
abd2182875 Add a simple transformation. This allows us to compile one of the inner 
loops in stepanov to this:

.LBB_Z5test0PdS__2:     # no_exit.1
        fldl data(,%eax,8)
        fldl 24(%esp)
        faddp %st(1)
        fstl 24(%esp)
        incl %eax
        cmpl $2000, %eax
        fstpl 16(%esp)
        #FP_REG_KILL
        jl .LBB_Z5test0PdS__2

instead of this:

.LBB_Z5test0PdS__2:     # no_exit.1
        fldl data(,%eax,8)
        fldl 24(%esp)
        faddp %st(1)
        fstl 24(%esp)
        incl %eax
        movl $data, %ecx
        movl %ecx, %edx
        addl $16000, %edx
        subl %ecx, %edx
        movl %edx, %ecx
        sarl $2, %ecx
        shrl $29, %ecx
        addl %ecx, %edx
        sarl $3, %edx
        cmpl %edx, %eax
        fstpl 16(%esp)
        #FP_REG_KILL
        jl .LBB_Z5test0PdS__2

The old instruction selector produced:

.LBB_Z5test0PdS__2:     # no_exit.1
        fldl 24(%esp)
        faddl data(,%eax,8)
        fstl 24(%esp)
        movl %eax, %ecx
        incl %ecx
        incl %eax
        leal data+16000, %edx
        movl $data, %edi
        subl %edi, %edx
        movl %edx, %edi
        sarl $2, %edi
        shrl $29, %edi
        addl %edi, %edx
        sarl $3, %edx
        cmpl %edx, %ecx
        fstpl 16(%esp)
        #FP_REG_KILL
        jl .LBB_Z5test0PdS__2   # no_exit.1

Which is even worse!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19419 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 20:09:57 +00:00
Chris Lattner
250208587d Fix copy and pasto's for FP -> Int. This fixes fldry 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19418 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 19:49:59 +00:00
Chris Lattner
38d6be5d49 Fix a bug legalizing call instructions (make sure to remember all result 
values), and eliminate some switch statements.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19417 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 19:43:23 +00:00
Chris Lattner
513e52ec4e Fix a minor bug legalizing dynamic_stackalloc. This allows us to compile 
std::__pad<wchar_t, std::char_traits<wchar_t> >::_S_pad(std::ios_base&, wchar_t, wchar_t*, wchar_t const*, int, int, bool)

from libstdc++


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19416 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 19:07:54 +00:00
Chris Lattner
fa404e8a76 Teach legalize to deal with DYNAMIC_STACKALLOC (aka a dynamic llvm alloca) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19415 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 19:03:49 +00:00
Chris Lattner
590d800a12 Initial implementation of FP->INT and INT->FP casts 
Also, fix zero_extend from bool to i8, which fixes Shootout/objinst.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19414 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 18:52:44 +00:00
Jeff Cohen
2611dd4448 Get lib/Analysis/DataStructure to compile with VC++ 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19412 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 04:18:28 +00:00
Chris Lattner
6e7c47c12d Fix a subtle bug involving constant expr casts from int to fp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19410 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 01:49:29 +00:00
Chris Lattner
ee749d7488 Handle static alloca arguments to PHI nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19409 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 01:16:24 +00:00
Chris Lattner
1482458b23 Implement varargs and returnaddress/frameaddress intrinsics. With this 
patch, all of SingleSource/UnitTests passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19408 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 00:01:27 +00:00
Chris Lattner
39ae362279 Use new interfaces to correctly lower varargs and return/frame address intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19407 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 00:00:49 +00:00
Chris Lattner
64e14b1679 Add support for llvm.setjmp and longjmp. Only 3 SingleSource/UnitTests fail now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19404 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 22:48:57 +00:00
Jeff Cohen
534927d82d Add even more missing createXxxPass functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19402 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 22:01:16 +00:00
Chris Lattner
b0802651bf Okay 15th time is the charm. Looking at the vector size is useless as it 
gets clobbered by a previous statement.  This fixes all calls finally.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19399 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 20:51:36 +00:00
Chris Lattner
6cc70ef0f9 Okay, my off by one was actually off by two. This fixes Generic/2003-07-07-BadLongConst.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19398 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 20:39:31 +00:00
Chris Lattner
e3304a3d24 Tighten up assertions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19397 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 20:35:13 +00:00
Chris Lattner
ce45d65d9a Fix off by one error 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19396 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 20:31:34 +00:00
Chris Lattner
7d7a0ed4ec Allow arrays to have more than 4G elements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19395 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 20:19:51 +00:00
Jeff Cohen
e269a1ac1c Use size_t instead of long to represent memory usage. long is 32 bits 
on 64-bit Windows.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19393 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 20:15:57 +00:00
Chris Lattner
9dacd128b4 Silence warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19392 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 20:13:44 +00:00
Chris Lattner
813c815282 Silence VS warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19391 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 20:13:19 +00:00
Chris Lattner
a8101c163d Silence VS warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19390 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 20:07:03 +00:00
Chris Lattner
d564496b46 Silence VS warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19389 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 20:05:34 +00:00
Chris Lattner
dea18b6c0d Silence VS warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19388 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:59:10 +00:00
Chris Lattner
28696bee02 Silence warnings from VS 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19386 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:55:00 +00:00
Chris Lattner
5e5fb942e6 Silence VS warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19385 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:53:50 +00:00
Chris Lattner
f26bc8ef48 Silence VS warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19384 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:52:31 +00:00
Chris Lattner
22bc934720 Fix VS warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19383 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:48:40 +00:00
Chris Lattner
4d0801b243 Fix VS warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19382 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:45:31 +00:00
Chris Lattner
652f3cf76f Fix uint64_t -> unsigned VS warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19381 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:42:22 +00:00
Chris Lattner
d4bc564531 Silence VS warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19380 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:37:20 +00:00
Chris Lattner
2cc34627bb Silence warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19379 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:34:41 +00:00
Chris Lattner
25dc891a3d Do not throw away bits for no reason 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19378 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:32:59 +00:00
Chris Lattner
7cf9ad3698 Silence a VS warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19377 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:31:31 +00:00
Chris Lattner
5188ad735c Adjust to changes in LowerCallTo interface 
Minor bugfixes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19376 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:28:19 +00:00
Chris Lattner
4e6c746899 Implement handling of most long operators through libcalls. 
Fix a bug legalizing "ret (Val,Val)"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19375 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:27:05 +00:00
Chris Lattner
cf5734dddd Adjust to changes in LowerCAllTo interfaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19374 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 19:26:18 +00:00
Jeff Cohen
bf65268def Add more missing createXxxPass functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19370 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 17:21:40 +00:00
Chris Lattner
ae0aacb833 Add support for FP->INT conversions and back. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19369 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 08:08:56 +00:00
Chris Lattner
8c92628d1c Wrap long line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19367 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 06:59:50 +00:00
Chris Lattner
5d2c6c784b Implement the 'store FPIMM, Ptr' -> 'store INTIMM, Ptr' optimization for 
all targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19366 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 06:25:56 +00:00
Chris Lattner
623f70dd4c 1ULL << 64 is undefined, don't do it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19365 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 06:24:30 +00:00
Chris Lattner
7ab65934a0 The X86 instruction selector already handles codegen of: 
store float 123.45, float* %P

as an integer store.  This adds handling of float immediate stores as integers
for arguments passed function calls.

This is now tested by CodeGen/X86/store-fp-constant.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19364 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 05:45:24 +00:00
Chris Lattner
7c68ec6b70 Fix a pointer invalidation problem. This fixes Generic/badarg6.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19361 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 23:32:00 +00:00
Chris Lattner
5351e9b172 Fold conditional branches on constants away. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19360 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 22:49:57 +00:00
Chris Lattner
4287d5e355 Fix a thinko in the reassociation code, fixing Generic/badlive.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19359 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 22:44:09 +00:00
Chris Lattner
b00a6425de Add support for truncating integer casts from long. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19358 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 22:37:48 +00:00
Chris Lattner
8afc48e44a Fix a bug in load expansion legalization and ret legalization. This fixes 
CodeGen/Generic/select.ll:castconst.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19357 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 22:28:47 +00:00
Chris Lattner
c7af17923e Legalize unconditional branches too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19356 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 22:12:08 +00:00
Chris Lattner
7cc4777a26 Implement support for long GEP indices on 32-bit archs and support for 
int GEP indices on 64-bit archs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19354 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 21:56:57 +00:00
Chris Lattner
fd8c39b773 Simplify: truncate ({zero|sign}_extend (X)) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19353 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 21:56:24 +00:00
Chris Lattner
03c0cf822e implement legalization of a bunch more operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19352 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 21:45:56 +00:00
Chris Lattner
fad71ebe1e Fix another bug legalizing calls! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19350 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 21:35:32 +00:00
Chris Lattner
f44fd88e9c Fix handling of dead PHI nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19349 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 21:34:19 +00:00
Chris Lattner
ebda942efc Fix a bug legalizing calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19348 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 21:34:13 +00:00
Chris Lattner
62fd269c14 After legalizing a DAG, delete dead nodes to save space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19346 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 21:09:37 +00:00
Chris Lattner
0e12e6e041 Implement RemoveDeadNodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19345 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 21:09:16 +00:00
Chris Lattner
c18ae4cb6a Teach legalize how to handle condbranches 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19339 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 08:19:42 +00:00
Chris Lattner
18ad19488d Allow the selection-dag based selector to be diabled with -disable-pattern-isel. 
For now, this is the default, as the current selector is missing some big pieces.
To enable the new selector, pass -disable-pattern-isel=false to llc or lli.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19335 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:50:50 +00:00
Chris Lattner
8acb1ba04d Reimplementation of the X86 pattern isel. This is still missing many large 
pieces, but can already do amazing things in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19334 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:49:41 +00:00
Chris Lattner
d844d0128a This file is now dead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19333 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:49:05 +00:00
Chris Lattner
95cdb36714 Add a new prototype 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19332 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:48:33 +00:00
Chris Lattner
1c08c714bb Initial implementation of the SelectionDAGISel class. This contains most 
of the code for lowering from LLVM code to a SelectionDAG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19331 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:47:53 +00:00
Chris Lattner
b75c12de67 This file is obsolete 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19330 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:47:23 +00:00
Chris Lattner
3e928bbd61 Initial implementation of the DAG legalization. This still has a long way 
to go, but it does work for some non-trivial cases now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19329 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:47:09 +00:00
Chris Lattner
c3aae25116 Complete rewrite of the SelectionDAG class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19327 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:46:32 +00:00
Chris Lattner
310968cbbb First draft of new Target interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19324 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:44:53 +00:00
Chris Lattner
fe59d36c45 Add convenience method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19321 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:40:32 +00:00
Misha Brukman
60766f7d41 Convert tabs to spaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19320 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:05:34 +00:00
Jeff Cohen
d9ed8c8880 Add missing createXxxPass functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19319 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 06:57:28 +00:00
Jeff Cohen
30becbda10 Add missing include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19315 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 05:42:13 +00:00
Chris Lattner
6ac95f9679 Codegen -1 and -0.0 more efficiently. This implements CodeGen/X86/negatize_zero.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19313 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-06 21:19:16 +00:00
Chris Lattner
488742a28e No need to pessimize current code for future possibilities. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19311 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-06 16:26:38 +00:00
Jeff Cohen
f5e58f8f43 Put createLoopUnswitchPass() into proper namespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19306 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-06 05:47:18 +00:00
Jeff Cohen
8ca7191599 Add missing include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19305 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-06 05:46:44 +00:00
Jeff Cohen
d01f65aea1 Fix CBE code so that it compiles with VC++. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19303 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-06 04:21:49 +00:00
Chris Lattner
5384b38ccc 1. If a double FP constant must be put into a constant pool, but it can be 
precisely represented as a float, put it into the constant pool as a
   float.
2. Use the cbw/cwd/cdq instructions instead of an explicit SAR for signed
   division.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19291 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-05 16:30:14 +00:00
Chris Lattner
0539313fe5 Minor optimization to allocate R8 registers in a better order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19289 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-05 16:09:16 +00:00
Chris Lattner
71d94d16b6 To not break TBAA rules, use a union. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19280 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-04 01:56:57 +00:00
Jeff Cohen
1c32f79a82 Revert elimination of global variable hack... still needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19273 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-03 16:34:19 +00:00
Chris Lattner
10197ff5cd ADC and IMUL are also commutable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19264 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-03 01:27:59 +00:00
Chris Lattner
35e5c7c186 This hunk: 
-  unsigned TrueValue = getReg(TrueVal, BB, BB->begin());
+  unsigned TrueValue = getReg(TrueVal);

Fixes the PPC regressions from last night.

The other hunk is just a clarity improvement.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19263 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-02 23:07:31 +00:00
Reid Spencer
d6b1f5fee6 Correct the case of a #include directory name, just in case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19254 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-02 09:45:04 +00:00
Jeff Cohen
40296bdf27 Eliminate the use of the global variable hack in the X86 target that was used 
to get Visual Studio to link in X86.lib to the executables that need it.  There
is another way of doing it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19252 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-02 04:23:12 +00:00
Chris Lattner
5aee0b97aa Disable 2->3 address promotion of add and inc instructions to LEA's. In 
addition to being three address, LEA's don't set the flags.

This fixes 186.crafty.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19251 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-02 04:18:17 +00:00
Chris Lattner
5dd350defd Add a new method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19249 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-02 02:38:18 +00:00
Chris Lattner
eb96ec52ff Add support for SETNPr to lower to memory form. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19248 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-02 02:37:46 +00:00
Chris Lattner
bcea4d6f28 Implement the convertToThreeAddress method, add support for inverting JP/JNP 
branches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19247 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-02 02:37:07 +00:00
Chris Lattner
cc65beeb39 Two changes here: 
1. Add new instructions for checking parity flags: JP, JNP, SETP, SETNP.
2. Set the isCommutable and isPromotableTo3Address bits on several
   instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19246 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-02 02:35:46 +00:00
Chris Lattner
cfa0f2edd3 Make the 2-address instruction lowering pass smarter in two ways: 
1. If we are two-addressing a commutable instruction and the LHS is not the
   last use of the variable, see if the instruction is the last use of the
   RHS.  If so, commute the instruction, allowing us to avoid a
   register-register copy in many cases for common instructions like ADD, OR,
   AND, etc on X86.
2. If #1 doesn't hold, and if this is an instruction that also existing in
   3-address form, promote the instruction to a 3-address instruction to
   avoid the register-register copy.  We can do this for several common
   instructions in X86, including ADDrr, INC, DEC, etc.

This patch implements test/Regression/CodeGen/X86/commute-two-addr.ll,
overlap-add.ll, and overlap-shift.ll when I check in the X86 support for it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19245 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-02 02:34:12 +00:00
Chris Lattner
273f2280f2 Add some bits that can be set for instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19241 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-02 02:27:48 +00:00
Reid Spencer
52b50a64ec Make printing a warning message optional in CheckBytecodeOutputToConsole. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19240 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-02 00:10:03 +00:00
Reid Spencer
436f23ebf5 Implement a function to print a warning if bytecode output is to be sent to 
a terminal/console.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19237 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-01 23:56:20 +00:00
Jeff Cohen
c6dffe0a5b Add functions for determining if the stdin/out/err is connected to a 
console or not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19236 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-01 22:54:05 +00:00
Reid Spencer
a01aade75d Add functions for determining if the stdin/out/err is connected to a 
console or not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19233 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-01 22:29:26 +00:00
Chris Lattner
6e7ba45460 This is a bulk commit that implements the following primary improvements: 
* We can now fold cast instructions into select instructions that
    have at least one constant operand.
  * We now optimize expressions more aggressively based on bits that are
    known to be zero.  These optimizations occur a lot in code that uses
    bitfields even in simple ways.
  * We now turn more cast-cast sequences into AND instructions.  Before we
    would only do this if it if all types were unsigned.  Now only the
    middle type needs to be unsigned (guaranteeing a zero extend).
  * We transform sign extensions into zero extensions in several cases.

This corresponds to these test/Regression/Transforms/InstCombine testcases:
  2004-11-22-Missed-and-fold.ll
  and.ll: test28-29
  cast.ll: test21-24
  and-or-and.ll
  cast-cast-to-and.ll
  zeroext-and-reduce.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19220 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-01 16:22:27 +00:00
Chris Lattner
6dec0b09d5 Fix a FIXME: Select instructions on longs were miscompiled. 
While we're at it, improve codegen of select instructions.  For this
testcase:

int %test(bool %C, int %A, int %B) {
  %D = select bool %C, int %A, int %B
  ret int %D
}

We used to generate this code:

_test:
        cmpwi cr0, r3, 0
        bne .LBB_test_2 ;
.LBB_test_1:    ;
        b .LBB_test_3   ;
.LBB_test_2:    ;
        or r5, r4, r4
.LBB_test_3:    ;
        or r3, r5, r5
        blr

Now we emit:

_test:
        cmpwi cr0, r3, 0
        bne .LBB_test_2 ;
.LBB_test_1:    ;
        or r4, r5, r5
.LBB_test_2:    ;
        or r3, r4, r4
        blr

-Chris


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19214 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-01 16:10:12 +00:00
Chris Lattner
e7f96c515e Substantially improve the code generated by non-folded setcc instructions. 
In particular, instead of compiling this:

bool %test(int %A, int %B) {
  %C = setlt int %A, %B
  ret bool %C
}

to this:

test:
        save %sp, -96, %sp
        subcc %i0, %i1, %g0
        bl .LBBtest_1   !
        nop
        ba .LBBtest_2   !
        nop
.LBBtest_1:     !
        or %g0, 1, %i0
        ba .LBBtest_3   !
        nop
.LBBtest_2:     !
        or %g0, 0, %i0
        ba .LBBtest_3   !
        nop
.LBBtest_3:     !
        restore %g0, %g0, %g0
        retl
        nop

We now compile it to this:

test:
        save %sp, -96, %sp
        subcc %i0, %i1, %g0
        or %g0, 1, %i0
        bl .LBBtest_2   !
        nop
.LBBtest_1:     !
        or %g0, %g0, %i0
.LBBtest_2:     !
        restore %g0, %g0, %g0
        retl
        nop


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19213 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-01 16:06:57 +00:00
Chris Lattner
13b2f764c0 Implement SimplifyCFG/DeadSetCC.ll 
SimplifyCFG is one of those passes that we use for final cleanup: it should
not rely on other passes to clean up its garbage.  This fixes the "why are
trivially dead setcc's in the output of gccas" problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19212 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-01 16:02:12 +00:00
Chris Lattner
f5ac6c27ac Allow getZeroExtend and getSignExtend to work with boolean inputs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19210 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-01 15:59:57 +00:00
Jeff Cohen
45e88d68b3 Where do these tabs keep coming from??? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19203 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-31 19:03:31 +00:00
Jeff Cohen
51b8d211f6 Mostly cleanup, but also some bug fixes, for win32/Path.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19202 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-31 19:01:08 +00:00
Reid Spencer
92ced2f16a Fix a compilation error for the case where mallinfo() is not available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19201 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-31 05:53:27 +00:00
Jeff Cohen
d40a7de229 Get rid of those nasty tabs... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19199 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-31 05:07:26 +00:00
Jeff Cohen
ebcb9b3807 Bring win32/Path.cpp up to date with respect to Unix/Path.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19198 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-31 04:39:07 +00:00
Jeff Cohen
c18671cdcd Fix MINGW compilation errors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19190 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-30 03:02:31 +00:00
Chris Lattner
da16d8c00b Fix PR491 and testcase Transforms/DeadStoreElimination/2004-12-28-PartialStore.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19180 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-29 04:36:02 +00:00
Chris Lattner
f376e5e5f6 Fix PR490 
Fix testcase CodeGen/CBackend/2004-12-28-LogicalConstantExprs.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19176 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-29 04:00:09 +00:00
Reid Spencer
56127624e7 Remove potential platform portability issue with size of "int". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19172 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-29 01:20:24 +00:00
Reid Spencer
aeb47b8db9 Fix a bug that made the nightly tester *really* slow. During changes for 
portability, the --track-space option was inadvertently ignored. This patch
fixes that so that sys::Process::GetMallocUsage() is only invoked if the
--track-spaces option is given. Apparently the mallinfo() call that
GetMallocUsage() uses is *very* slow, especially when processing very large
modules like projects/llvm-test/MultiSource/Applications/kimwitu++.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19163 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 08:03:04 +00:00
Reid Spencer
7c1e2f96cd For PR351: 
* Ensure #includes are wrapped with appropriate HAVE_ guards
* Account for variations in time.h and sys/time.h inclusion.
* Add macros for getting wait(2) exit status correctly (per autoconf sugg.)
* Implement ThrowErrno in terms of strerror_r, strerror or none based on
  what is available on the platform.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19161 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:17:50 +00:00
Reid Spencer
51b9f62462 For PR351: 
* Remove redundant #includes that are now in Unix.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19160 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:17:39 +00:00
Reid Spencer
68fdcc123b For PR351: 
* Move implementation of sys::PreventCoreFiles function to this file from
  the now defunct SysConfig abstraction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19159 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:17:27 +00:00
Reid Spencer
af2f208e7c For PR351: 
* Ensure #includes are wrapped with appropriate HAVE_ guards
* Ensure variations in "dirent" structure are accounted for.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19158 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:17:15 +00:00
Reid Spencer
07c00d3e9f For PR351: 
* Ensure #includes are wrapped with appropriate HAVE_ guards
* Consolidate implementation from operating system specific directory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19157 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:17:03 +00:00
Reid Spencer
cdf54d04c7 For PR351: 
* Ensure #includes are wrapped with appropriate HAVE_ guards


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19156 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:16:52 +00:00
Reid Spencer
c33e4930d4 For PR351: 
* Consolidate implementation for Unix systems into Unix/TimeValue.cpp
* Avoid use of symbolic link to #include platform-specific implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19155 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:16:38 +00:00
Reid Spencer
424ac897ca For PR351: 
* Consolidate implementation for Unix systems into Unix/Program.cpp
* Avoid use of symbolic link to #include platform-specific implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19154 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:16:25 +00:00
Reid Spencer
c87d7cc788 For PR351: 
* Consolidate implementation for Unix systems into Unix/Signals.cpp
* Avoid use of symbolic link to #include platform-specific implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19153 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:16:11 +00:00
Reid Spencer
ce7999598a For PR351: 
* Consolidate implementation for Unix systems into Unix/Memory.cpp
* Avoid use of symbolic link to #include platform-specific implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19152 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:15:57 +00:00
Reid Spencer
b9ed2c17da For PR351: 
* Consolidate implementation for Unix systems into Unix/MappedFile.cpp
* Avoid use of symbolic link to #include platform-specific implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19151 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:15:43 +00:00
Reid Spencer
0098e64da7 For PR351: 
* Consolidate implementation for Unix systems into Unix/Process.cpp
* Avoid use of symbolic link to #include platform-specific implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19150 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:15:29 +00:00
Reid Spencer
d0ae93f022 For PR351: 
SysConf abstraction was pointless because it had a single function in it that
pertained only to the current process. So merge it into the Process abstraction
and remove the files completely.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19149 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-27 06:15:14 +00:00
Jeff Cohen
c2b9162e5d mingw doesn't support the official debug API. 
Old versions of the C runtime somehow get loaded into the process.  Make
sure they aren't searched for symbols.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19141 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-25 04:50:17 +00:00
Jeff Cohen
a4c9751265 Get VC++ building again 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19140 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-24 16:26:47 +00:00
Jeff Cohen
1a4663516b Eliminate use of ltdl.c when doing a VC++ build. Because libtool isn't used, 
ltdl's LGPL license would infect all of LLVM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19137 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-24 07:57:09 +00:00
Reid Spencer
69a1616106 For PR351: 
Merge implementations of isValid and GetTemporaryDirectory into this file. There
is not any point having the operating system specific files for such little
variation between the Unix family of systems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19134 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-24 06:29:42 +00:00
Reid Spencer
f77bdc4892 For PR351: 
This implementation is no longer needed, its been merged to Unix/Path.cpp since
there is such little variation between the platforms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19133 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-24 06:29:28 +00:00
Reid Spencer
dafe55f64b For PR351: 
Use the LLVM_ON_UNIX and LLVM_ON_WIN32 #defines to include the implementation
instead of relying upon the "platform" link


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19132 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-24 06:29:17 +00:00
Reid Spencer
ebf8d0ecdf Resurrect this file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19130 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-24 06:03:31 +00:00
Reid Spencer
48a1f4237d Remove these files as they are not being included any more. DynamicLibrary 
is now implemented via ltdl.cpp which has its own way of dealing with
the different platforms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19129 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-24 03:59:46 +00:00
Jeff Cohen
cb652550b6 Fix VC++ compilation error 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19124 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-24 02:38:34 +00:00
Reid Spencer
a36c9a4dd3 Put CopyFile in the sys namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19122 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-23 22:14:32 +00:00
Misha Brukman
4d099f7d6c Wrap at 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19121 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-23 21:17:41 +00:00
Reid Spencer
4618957d0d Correct the comments and file header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19120 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-23 21:16:46 +00:00
Reid Spencer
1e296bf046 Try to speed up gccld hot spot in BasicVN::getEqualNumberNodes by making 
a function call at the core of the loop inline and removing unused
stack variables from an often called function. This doesn't improve things
much, the real saving will be by reducing the number of calls to this
function (100K+ when linking kimwitu++).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19119 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-23 21:13:26 +00:00
Jeff Cohen
2e5f445da0 Patch to fix mingw compilation problem contributed by Henrik. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19112 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-23 03:44:40 +00:00
Reid Spencer
302d81e819 For PR351: 
Include local FDHandle.h file now that FDHandle is local to this library
and not in lib/System/FileUtilities.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19108 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-22 10:25:06 +00:00
Reid Spencer
55cf0a6dc9 For PR351: 
FDHandle class (non-portable) moved here from lib/Support/FileUtilities


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19107 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-22 10:24:55 +00:00
Reid Spencer
772192cf36 For PR351: 
Move non-portable FDHandle class to its only user: lib/Debugger


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19106 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-22 10:24:43 +00:00
Reid Spencer
0a834720db For PR351: 
Remove unix specific code (use of errno and read) from the reader.
Thanks to Jeff Cohen for pointing this out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19081 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-21 07:51:33 +00:00
Reid Spencer
78076f6140 Put the CopyFile function explicitly in the sys namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19079 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-21 03:27:08 +00:00
Reid Spencer
c24e94e6b5 Include <cassert> for Cygwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19077 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-21 00:22:51 +00:00
Reid Spencer
a025270b50 Cygwin doesn't like .. through a link, so drop the .. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19076 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 22:21:41 +00:00
Reid Spencer
7d05563324 Fix a bug where system time always equals user time 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19075 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 21:44:27 +00:00
Reid Spencer
8b6628997f Implement GetTimeUsage correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19074 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 21:43:33 +00:00
Reid Spencer
ed5e7bf422 Provide a getrusage based implementation of GetTotalMemoryUsage and use 
the ru_maxrss field as an approximation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19072 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 16:33:37 +00:00
Reid Spencer
bc1ee84001 Consistently use the same #if style. Also, fix a bug testing for sbrk(3) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19071 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 16:06:44 +00:00
Reid Spencer
cdb28bed6b Remove unnecessary #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19070 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 06:38:12 +00:00
Reid Spencer
099557b629 Be double sure about including sys/stat.h by wrapping the inclusion in 
an "#if defined(HAVE_SYS_STAT_H)".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19069 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 06:34:02 +00:00
Reid Spencer
7904c4ffe4 Remove the #include of llvm/Config/unistd.h as it is no longer needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19067 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 04:52:04 +00:00
Reid Spencer
4ca8e71068 Remove un-needed #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19061 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 04:15:44 +00:00
Reid Spencer
0255abb41a Put some header files back that Win32 needs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19058 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 03:59:23 +00:00
Jeff Cohen
a1b3d3d24c Keep up with lib/System changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19057 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 03:24:56 +00:00
Jeff Cohen
e133721047 Fix problems uncovered by VC++ (first time compiled by VC++) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19056 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 03:23:46 +00:00
Reid Spencer
721d9aa060 For PR351: 
* Implement GetMallocUsage to get usage of malloc heap
* Implement GetMemoryUsage to get total memory usage of process
* Implement GetTimeUsage to get elapsed/user/system time


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19055 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 00:59:28 +00:00
Reid Spencer
a4775838e2 For PR351: 
No need for Unix/SUS/Process.cpp any more, just ifdef it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19054 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 00:59:16 +00:00
Reid Spencer
df52c9aaf2 For PR351: 
* Move system dependent implementation out of this file.
* Make implementation use sys::Process::GetMallocUsage where necessary.
* Make implementation use sys::Process::GetTimeUsage where necessary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19053 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 00:59:04 +00:00
Misha Brukman
210b32b16f * Use "" for LLVM include files, not <> 
* llvm/Config/alloca.h already #includes config.h
* Minor readability/stylistic changes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19048 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-20 00:16:38 +00:00
Misha Brukman
6782835604 Use <> for system #include files 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19046 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-19 19:27:11 +00:00
Brian Gaeke
5d112c452a Make references to 'struct sigaction' compile under Solaris. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19045 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-19 18:58:11 +00:00
Reid Spencer
2a7d9e98ba For PR351: 
Move the functionality of RunProgramWithTimeout into the ExecuteAndWait
function: support a timeout and I/O redirects


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19043 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-19 18:00:44 +00:00
Reid Spencer
41394ec672 For PR351: 
Add a needed include.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19042 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-19 18:00:32 +00:00
Reid Spencer
b31baa88a5 For PR351: 
* Pass sys::Path instead of std::string for paths
* Correct the types of arguments passed to RunProgramWithTimeout due to its
  interface using sys::Path instead of std::string
* Replace "/dev/null" (not portable) with empty string which
  sys::Program::ExecuteAndWait recognizes as "redirect to bit bucket"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19041 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-19 18:00:21 +00:00
Reid Spencer
a434805014 For PR351: 
* Remove unneeded header files.
* Move RedirectFD static function to lib/System/Unix/Program.cpp
* Delete RunProgramWithTimeout, now implemented by
  sys::Program::ExecuteAndWait. RunProgramWithTimeout is now a convenience func.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19040 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-19 18:00:09 +00:00
Jeff Cohen
f8cdb85d05 Fix win32 breakage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19028 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-18 06:42:15 +00:00
Chris Lattner
6b4f501470 Remove unused enum value 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19024 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-17 22:41:46 +00:00
Reid Spencer
6b4bd6b35c Move the #include of sys/stat.h inside the linux "hack" for the stat 
family of functions so it gets noticed if we ever remove this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19022 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-17 19:09:16 +00:00
Chris Lattner
84c556e92a Remove unused #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19021 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-17 19:07:04 +00:00
Reid Spencer
382343d78f Only #include sys/stat.h if we're on linux where we have the PR274 problem. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19020 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-17 18:56:29 +00:00
Chris Lattner
41925f87d3 Actually overload the virtual method. This fixes 
Regression/Analysis/GlobalsModRef/purecse.ll.  Isn't this what the
-Woverload-whatever flag would warn about :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19018 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-17 17:12:24 +00:00
Chris Lattner
8cdbc35216 Change the sentinal 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19007 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-17 00:46:51 +00:00
Chris Lattner
11cf7aa775 Create a stack slot for the return address lazily instead of eagerly. This 
save small amounts of time for functions that don't call llvm.returnaddress
or llvm.frameaddress (which is almost all functions).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19006 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-17 00:07:46 +00:00
Tanya Lattner
acd6782470 Chris is a pain ;) Removing reassociate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19005 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-16 23:16:16 +00:00
Tanya Lattner
78943f7edf Removing commented out lines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19004 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-16 23:13:16 +00:00
Tanya Lattner
9fde12b747 Removed LICM and GCSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19003 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-16 23:07:36 +00:00
Reid Spencer
9ac141823d For PR351: 
* Make the OutputC and OutputAsm functions work with sys::Path for the output
  file name instead of using std::string.
* Get rid of extraneous "toString" calls.
* Change "removeFile" to sys::Path::destroyFile()


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19000 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-16 23:01:34 +00:00
Reid Spencer
a2f7ed7035 For PR351: 
* Remove the "removeFile" function, now implemented by the
  sys::Path::destroyFile method.
* Make the FileRemove work with a sys::Path instead of a std::string


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18999 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-12-16 23:00:05 +00:00