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11511 Commits

Author SHA1 Message Date
Jim Laskey
a5e5bff8b8 Fix logic bug in finding retry slot in tally. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24188 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 00:01:25 +00:00
Jim Laskey
54f997d23f Fix a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24187 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 18:26:02 +00:00
Duraid Madina
764fe71e12 oops, forgot to load GP for indirect calls, though the old code now commented 
out failed (e.g. methcall) - now the code compiles, though it's not quite
right just yet (tm) ;)

would fix this but it's 3am! :O


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24186 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 17:55:53 +00:00
Duraid Madina
b97cc99058 kill redundant SP/GP/RP save/restores across calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24183 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 10:01:10 +00:00
Duraid Madina
9f7290633a add support for loading bools 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24182 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 09:59:06 +00:00
Jim Laskey
7d090f3485 Scheduling now uses itinerary data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24180 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 04:05:35 +00:00
Duraid Madina
49fcc4006c fun with predicates! (add TRUNC i64->i1, AND i1 i1, fix XOR i1 i1) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24175 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 00:57:56 +00:00
Duraid Madina
0e5e0d14a8 add pattern to load constant 0 into a predicate reg 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24164 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-03 10:09:32 +00:00
Chris Lattner
61bc60fc4f Fix a bug that prevented this pattern from matching 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24161 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-03 05:45:34 +00:00
Nate Begeman
5dc7e861f8 Fix a crash that Andrew noticed, and add a pair of braces to unfconfuse 
XCode's indenting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24159 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-02 18:42:59 +00:00
Andrew Lenharth
7bbff04f7f make this 64 bit clean, fixed test30 of /Regression/Transforms/InstCombine/add.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24158 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-02 18:35:40 +00:00
Chris Lattner
bad13eb189 Fix a QOI issue noticed by Markus F.X.J. Oberhumer. 
This fixes PR641


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24154 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-02 17:42:58 +00:00
Duraid Madina
056728f192 "fix" support for FP constants (this code asserts in the scheduler, 
though)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24152 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-02 07:32:59 +00:00
Duraid Madina
a2df2aee81 add F0 and F1 to the FP register class 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24151 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-02 07:30:39 +00:00
Chris Lattner
cb2583e17d This works now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24150 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-02 06:49:37 +00:00
Duraid Madina
5966955445 add support for SELECT to TargetSelectionDAG.td, add support for 
selecting ints to IA64, and a few other ia64 bits and pieces


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24147 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-02 02:37:18 +00:00
Duraid Madina
93856802ae add support for loading FP constants +0.0 and +1.0 to the dag isel, 
stop pretending -0.0 and -1.0 are machine constants


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24146 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-02 02:35:04 +00:00
Chris Lattner
7c22575e32 Fix a source of undefined behavior when dealing with 64-bit types. This 
may fix PR652.  Thanks to Andrew for tracking down the problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24145 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-02 01:47:04 +00:00
Jim Laskey
6cee630070 Allow itineraries to be passed through the Target Machine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24139 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-01 20:06:59 +00:00
Duraid Madina
7a8ef3a0d4 heh, scheduling was easy? 
need to send chris, jim and sampo a box of fish each


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24135 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-01 05:49:08 +00:00
Duraid Madina
dc9549b52c FORTRAN!!! :( and other similarly unfortunate things mean that on ia64 
one sometimes needs to pass FP args in both FP *and* integer registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24134 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-01 05:46:16 +00:00
Duraid Madina
aba8457125 so tablegen was thinking I might want to convert FPs to predicates. 
clever little tablegen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24133 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-01 03:32:15 +00:00
Duraid Madina
e2fd9e2d9d add support for int->FP and FP->int ops, and add ia64 patterns for these 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24132 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-01 03:07:25 +00:00
Duraid Madina
d1eda6d155 add zeroextend predicate->integer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24131 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-01 01:29:55 +00:00
Chris Lattner
5b0ac99c96 Add a flag to enable a darwin linker optimization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24130 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-01 00:12:36 +00:00
Chris Lattner
bb69e39b5b Make constant pool entries use private labels. This is important when you're 
not compiling a whole program at a time :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24129 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-31 22:12:06 +00:00
Chris Lattner
306f6fefc9 Fix an iterator invalidation problem in code used by the -strip pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24124 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-31 18:42:37 +00:00
Chris Lattner
76ff2c7504 Limit the search depth of MaskedValueIsZero to 6 instructions, to avoid 
bad cases.  This fixes Markus's second testcase in PR639, and should
seal it for good.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24123 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-31 18:35:52 +00:00
Jim Laskey
5a608ddada 1. Embed and not inherit vector for NodeGroup. 
2. Iterate operands and not uses (performance.)

3. Some long pending comment changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24119 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-31 12:49:09 +00:00
Duraid Madina
363aff2f3c add FP compares and implicit register defs to the dag isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24118 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-31 01:42:11 +00:00
Chris Lattner
bf209489ad Significantly simplify this code and make it more aggressive. Instead of having 
a special case hack for X86, make the hack more general: if an incoming argument
register is not used in any block other than the entry block, don't copy it to
a vreg.  This helps us compile code like this:

%struct.foo = type { int, int, [0 x ubyte] }
int %test(%struct.foo* %X) {
        %tmp1 = getelementptr %struct.foo* %X, int 0, uint 2, int 100
        %tmp = load ubyte* %tmp1                ; <ubyte> [#uses=1]
        %tmp2 = cast ubyte %tmp to int          ; <int> [#uses=1]
        ret int %tmp2
}

to:

_test:
        lbz r3, 108(r3)
        blr

instead of:

_test:
        lbz r2, 108(r3)
        or r3, r2, r2
        blr

The (dead) copy emitted to copy r3 into a vreg for extra-block uses was
increasing the live range of r3 past the load, preventing the coallescing.

This implements CodeGen/PowerPC/reg-coallesce-simple.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24115 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 19:42:35 +00:00
Chris Lattner
a4176525cc Reduce the number of copies emitted as machine instructions by 
generating results in vregs that will need them.  In the case of something
like this:  CopyToReg((add X, Y), reg1024), we no longer emit code like
this:

   reg1025 = add X, Y
   reg1024 = reg 1025

Instead, we emit:

   reg1024 = add X, Y

Whoa! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24111 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 18:54:27 +00:00
Chris Lattner
c1d6f67e8e If the module has no t-t and the host is an alpha, default to using the Alpha BE 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24110 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 16:44:01 +00:00
Duraid Madina
5c2c64e567 fix some broken comparisons, this affected the Pattern isel too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24109 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 10:14:19 +00:00
Chris Lattner
b685af3e60 This is implemented 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24107 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 06:42:12 +00:00
Chris Lattner
3e6099b05f Codegen mul by negative power of two with a shift and negate. 
This implements test/Regression/CodeGen/PowerPC/mul-neg-power-2.ll,
producing:

_foo:
        slwi r2, r3, 1
        subfic r3, r2, 63
        blr

instead of:

_foo:
        mulli r2, r3, -2
        addi r3, r2, 63
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24106 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 06:41:49 +00:00
Chris Lattner
df14a04b5c Fix a problem that Nate noticed with LSR: 
When inserting code for an addrec expression with a non-unit stride, be
more careful where we insert the multiply.  In particular, insert the multiply
in the outermost loop we can, instead of the requested insertion point.

This allows LSR to notice the mul in the right loop, reducing it when it gets
to it.  This allows it to reduce the multiply, where before it missed it.

This happens quite a bit in the test suite, for example, eliminating 2
multiplies in art, 3 in ammp, 4 in apsi, reducing from 1050 multiplies to
910 muls in galgel (!), from 877 to 859 in applu, and 36 to 30 in bzip2.

This speeds up galgel from 16.45s to 16.01s, applu from 14.21 to 13.94s and
fourinarow from 66.67s to 63.48s.

This implements Transforms/LoopStrengthReduce/nested-reduce.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24102 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 06:24:33 +00:00
Chris Lattner
f519fe07e0 Make -time-passes output prettier 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24096 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 16:45:02 +00:00
Duraid Madina
25d0a88eb8 add some FP stuff, some mix.* stuff, and constant pool support to the 
DAG instruction selector, which should be destroyed one day (in the pattern
isel also) since ia64 can pack any constant in the instruction stream


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24094 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 16:08:30 +00:00
Chris Lattner
9fefdb5d66 This pass is now obsolete since all targets have moved to the SelectionDAG 
infrastructure and the simple isels have been removed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24090 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 05:33:46 +00:00
Chris Lattner
72fe0af68f remove reference to this pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24088 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 05:28:34 +00:00
Chris Lattner
eb99bd30e9 remove a dead file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24085 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 04:43:38 +00:00
Chris Lattner
5af401d5f1 Remove dead #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24083 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 04:41:30 +00:00
Chris Lattner
1462aa78c7 Now that instcombine does this xform, remove it from the -raise pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24082 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 04:40:23 +00:00
Chris Lattner
cfd65100c4 Pull some code out into a function, give it the ability to see through +. 
This allows us to turn code like malloc(4*x+4) -> malloc int, (x+1)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24081 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 04:36:15 +00:00
Duraid Madina
274ecfb782 add shladd 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24080 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 04:13:40 +00:00
Chris Lattner
455fcc8d35 Remove a special case, allowing the general case to handle it. No functionality 
change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24076 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 03:19:53 +00:00
Nate Begeman
167f1e2651 New case to handle someday 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24075 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 23:26:57 +00:00
Chris Lattner
7d7b96746c Don't emit "32" for unordered comparison 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24073 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 22:58:07 +00:00
Chris Lattner
ed048c067d add a hack to get code with ordered comparisons working. This hack is 
tracked as PR642


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24068 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 20:49:47 +00:00