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10944 Commits

Author SHA1 Message Date
Chris Lattner
a1f68ca94e If a function has live ins/outs, print them 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23181 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 22:34:59 +00:00
Chris Lattner
f76053269e Move FCTIWZ handling out of the instruction selectors and into legalization, 
getting them out of the business of making stack slots.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23180 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 21:09:52 +00:00
Chris Lattner
8346bb6c29 Remove dead code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23179 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 20:25:15 +00:00
Chris Lattner
bc11c3482c Move SHL,SHR i64 -> legalizer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23178 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 20:23:54 +00:00
Chris Lattner
c22af9e5df Remove code that is now dead from the pattern isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23177 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 19:11:36 +00:00
Chris Lattner
eb9b62e35e lower sra_parts on the dag, implementing it for the dag isel, and exposing 
the ops to dag optimization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23176 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 19:09:57 +00:00
Chris Lattner
50ec897904 Allow targets to custom expand shifts that are too large for their registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23173 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 19:01:53 +00:00
Chris Lattner
99296ffd36 add assert zext/sext to the dag isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23171 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 18:08:46 +00:00
Chris Lattner
5dd7fea3f2 Handle AssertSext/AssertZext nodes, fixing the regressions last night. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23170 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 17:48:04 +00:00
Jeff Cohen
7383ce4127 Fix VC++ precedence warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23169 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 02:47:06 +00:00
Nate Begeman
49296f1f48 Enable generation of AssertSext and AssertZext in the PPC backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23168 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 01:58:39 +00:00
Chris Lattner
7a49fdcd11 Fix 'ret long' to return the high and lo parts in the right registers. This 
fixes crafty and probably others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23167 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 01:34:29 +00:00
Nate Begeman
fe75a2836a Sigh, not my day. Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23166 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 00:43:49 +00:00
Nate Begeman
9f52f2838d Fix a mistake in my previous patch pointed out by sabre; the AssertZext 
case in MaskedValueIsZero was wrong.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23165 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 00:43:08 +00:00
Nate Begeman
b85dfab889 Remove some unnecessary casts, and add the AssertZext case to 
MaskedValueIsZero.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23164 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-31 00:27:53 +00:00
Chris Lattner
eb80fe8ff6 now that physregs can exist in the same dag with multiple types, remove some 
ugly hacks


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23162 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 22:59:48 +00:00
Chris Lattner
0fdd768094 Allow physregs to occur in the dag with multiple types. Though I don't likethis, it is a requirement on PPC, which can have an f32 value in r3 at onepoint in a function and a f64 value in r3 at another point. :( 
This fixes compilation of mesa


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23161 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 22:38:38 +00:00
Chris Lattner
2ea0c66ae5 Fix type mismatches when passing f32 values to calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23159 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 21:28:19 +00:00
Chris Lattner
e836ad6736 When checking the fixed intervals, don't forget to check for register aliases. 
This fixes PR621 and Regression/CodeGen/X86/2005-08-30-RegAllocAliasProblem.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23158 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-30 21:03:36 +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
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
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
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
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