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Author SHA1 Message Date
Chris Lattner
353f1dea50 new testcase corresponding to PR621 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23157 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 21:02:51 +00:00
Chris Lattner
dd43c866c8 The dag isel misses both of these, the pattern isel just misses the second 
one.  TODO :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23156 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 18:44:09 +00:00
Chris Lattner
1368721d53 Fix some indentation (first hunks). 
Remove code (last hunk) that miscompiled immediate and's, such as
  and uint %tmp.30, 4294958079

into

 andi. r8, r8, 56319
 andis. r8, r8, 65535

instead of:

 li r9, -9217
 and r8, r8, r9

The first always generates zero.

This fixes espresso.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23155 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 18:37:48 +00:00
Chris Lattner
b551ba7661 Fix a problem Nate found where we swapped the operands of SHL/SHR_PARTS. This 
fixes fourinarow


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23153 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 17:42:59 +00:00
Chris Lattner
14b86c72a2 codegen ADD_PARTS correctly: put the results in the right registers! This 
fixes fhourstones


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23152 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 17:40:13 +00:00
Chris Lattner
cc0675a4be Fix FreeBench/fourinarow with the dag isel, by not adding a bogus result 
to SHIFT_PARTS nodes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23151 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 17:21:17 +00:00
Chris Lattner
2501d5e29c add operands in the right order, fixing McCat/18-imp with the dag isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23150 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 17:13:58 +00:00
Chris Lattner
ec176e30d6 Fix a miscompile of PtrDist/bc. Sign extending bools is not the right thing, 
at least tends to expose problems elsewhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23149 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 16:56:19 +00:00
Nate Begeman
5ffcd9b56c Remove a bogus piece of my AssertSext/AssertZext patch. oops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23148 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 02:54:28 +00:00
Nate Begeman
56eb86806d Add support for AssertSext and AssertZext, folding other extensions with 
them.  This allows for elminination of redundant extends in the entry
blocks of functions on PowerPC.

Add support for i32 x i32 -> i64 multiplies, by recognizing when the inputs
to ISD::MUL in ExpandOp are actually just extended i32 values and not real
i64 values.  this allows us to codegen

int mulhs(int a, int b) { return ((long long)a * b) >> 32; }
as:
_mulhs:
        mulhw r3, r4, r3
        blr

instead of:
_mulhs:
        mulhwu r2, r4, r3
        srawi r5, r3, 31
        mullw r5, r4, r5
        add r2, r2, r5
        srawi r4, r4, 31
        mullw r3, r4, r3
        add r3, r2, r3
        blr

with a similar improvement on x86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23147 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 02:44:00 +00:00
Nate Begeman
f7f3d32191 Add AssertSext, AssertZext nodes for targets that pass arguments in 
registers, and the incoming values have already been zero or sign extended
from the appopriate type to the register width.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23146 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 02:39:32 +00:00
Chris Lattner
f155635b53 Name this variable to be what it really is! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23145 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 01:58:51 +00:00
Chris Lattner
55334fc45c Handle CopyToReg nodes with flag operands correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23144 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 01:57:23 +00:00
Chris Lattner
31ce12f4f5 Make sure the selector emits register register copies with flag operands 
linking them to calls when appropriate, this prevents the scheduler from
pulling these copies away from the call.

This fixes Ptrdist/yacr2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23143 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 01:57:02 +00:00
Chris Lattner
e3f1026683 add some method variants 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23142 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 01:56:13 +00:00
Chris Lattner
15055733f8 The first operand to AND does not always have more than two operands. This 
fixes MediaBench/toast with the dag selector


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23141 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 00:59:16 +00:00
Chris Lattner
6de08f4377 Fix a bug in my patch for legalizing to fsel. It cannot handle seteq/setne, 
which I failed to include when I moved the code over.  This fixes
MallocBench/gs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23140 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 00:45:18 +00:00
Chris Lattner
8f838720ad emit FMR instructions to convert f64<->f32 instructions, so things like 
STOREs, know the right type to store.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23139 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 00:30:43 +00:00
Chris Lattner
915fb302b1 Fix some really strange indentation that xcode likes to use. 
no xcode, this is not right:

   if (!foo) break;
     X;


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23138 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 00:19:00 +00:00
Chris Lattner
8bbcc20a9d fix a crash in cfrac 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23137 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 23:49:25 +00:00
Chris Lattner
9c2dece8e2 Implement DYNAMIC_STACKALLOC, wrap some long lines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23136 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 23:30:11 +00:00
Chris Lattner
82e14db9a9 Add a hack to avoid some horrible code in some cases by always emitting 
token chains first.  For this C function:

int test() {
  int i;
  for (i = 0; i < 100000; ++i)
    foo();
}

Instead of emitting this (condition before call)

.LBB_test_1:    ; no_exit
        addi r30, r30, 1
        lis r2, 1
        ori r2, r2, 34464
        cmpw cr2, r30, r2
        bl L_foo$stub
        bne cr2, .LBB_test_1    ; no_exit

Emit this:

.LBB_test_1:    ; no_exit
        bl L_foo$stub
        addi r30, r30, 1
        lis r2, 1
        ori r2, r2, 34464
        cmpw cr0, r30, r2
        bne cr0, .LBB_test_1    ; no_exit

Which makes it so we don't have to save/restore cr2 in the prolog/epilog of
the function.

This also makes the code much more similar to what the pattern isel produces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23135 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 23:21:29 +00:00
Chris Lattner
74fe063e90 improve comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23134 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 22:48:32 +00:00
Chris Lattner
7107c10501 Fix a dumb bug of mine where we were mishandling the PPC ABI (undef handling). 
This fixes voronoi and bh in Olden, allowing all of olden to pass!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23133 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 22:22:57 +00:00
Chris Lattner
ba8a0e0d7f Add a new API for nate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23132 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 22:00:00 +00:00
Chris Lattner
c26aefa15a Add a new API for Nate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23131 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 21:59:31 +00:00
Andrew Lenharth
5e3efbc2ca Some of us cared about the the promote path 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23130 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 20:46:51 +00:00
Chris Lattner
507f752f6e Fix an infinite loop on x86 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23129 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 17:30:00 +00:00
Chris Lattner
d00b28809d Allow bugpoint+PPC codegen to use fsqrt 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23128 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 13:14:24 +00:00
Chris Lattner
efa6abcb95 Fix a bug the last patch exposed in treeadd among others 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23127 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 01:07:02 +00:00
Chris Lattner
2fef809b5b A hack to fix a problem folding immedaites. This fixes Olden/power. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23126 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 01:01:01 +00:00
Chris Lattner
2a06a5ef36 Fix order of operands for copytoreg node when emitting calls. This fixes 
Olden/msFix order of operands for copytoreg node when emitting calls.  This fixes
Olden/mstt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23125 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 00:26:57 +00:00
Chris Lattner
dfd58709cc Fix a bug in my previous patch that was using the wrong iterator. This fixes 
Olden/bisort among others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23124 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 00:10:46 +00:00
Chris Lattner
b9efd14568 add operands in the correct order 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23123 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-29 00:02:01 +00:00
Chris Lattner
ff01698ec0 Fix a bug in ReplaceAllUsesWith 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23122 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-28 23:59:36 +00:00
Chris Lattner
c8a89a1fcb Fix a bug in FP_EXTEND, implement FP_TO_SINT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23121 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-28 23:59:09 +00:00
Chris Lattner
528f58e813 fix an assertion failure in treeadd 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23120 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-28 23:39:22 +00:00
Reid Spencer
dd22dc85ea Adjust to member variable name change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23119 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-27 19:09:48 +00:00
Reid Spencer
0f9beca707 Change the names of member variables per Chris' instructions, and document 
them more clearly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23118 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-27 19:09:02 +00:00
Reid Spencer
8c4bde36a3 Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23117 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-27 19:06:05 +00:00
Reid Spencer
68a24bdba4 Implement PR614: 
These changes modify the makefiles so that the output of flex and bison are
placed in the SRC directory, not the OBJ directory. It is intended that they
be checked in as any other LLVM source so that platforms without convenient
access to flex/bison can be compiled. From now on, if you change a .y or
.l file you *must* also commit the generated .cpp and .h files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23115 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-27 18:50:39 +00:00
Chris Lattner
88b9c15912 Disable this code, which broke many tests last night 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23114 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-27 16:16:51 +00:00
Chris Lattner
620c93cca1 fix PHI node emission for basic blocks that have select_cc's in them on ppc32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23113 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-27 00:58:02 +00:00
Chris Lattner
e3f1c97734 The condition register being branched on may not be cr0, as such, print it. 
This fixes: UnitTests/2005-07-17-INT-To-FP.c


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23112 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 23:42:05 +00:00
Chris Lattner
f48e83ded0 Propagate cr# from COND_BRANCH to the actual branch instruction as appropriate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23111 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 23:41:27 +00:00
Chris Lattner
eb150d7d1f Nate noticed that Andrew never did this. This fixes PR600 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23110 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 22:50:40 +00:00
Chris Lattner
9d3a483a38 Don't copy regs that are only used in the entry block into a vreg. This 
changes the code generated for:

short %test(short %A) {
  %B = xor short %A, -32768
  ret short %B
}

to:

_test:
        xori r2, r3, 32768
        xoris r2, r2, 65535
        extsh r3, r2
        blr

instead of:

_test:
        rlwinm r2, r3, 0, 16, 31
        xori r2, r3, 32768
        xoris r2, r2, 65535
        extsh r3, r2
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23109 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 22:49:59 +00:00
Chris Lattner
ed461e0faf Make this code safe for when loadRegFromStackSlot inserts multiple instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23108 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 22:18:32 +00:00
Chris Lattner
28b9cc2d13 allow code using mtcrf to assemble 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23107 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 22:05:54 +00:00
Nate Begeman
a0df5d8da5 Remove operand type 'crbit', since it is no longer used 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23106 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 22:04:17 +00:00