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Author SHA1 Message Date
Jim Laskey
10b1dd99f3 Generate cpu to itinerary map. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24121 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-31 17:16:01 +00:00
Chris Lattner
0863ce59b5 these tests fail on alpha for some reason 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24120 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-31 16:15:49 +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
Jeff Cohen
a088734a24 Update Getting Started for Visual Studio page. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24117 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 21:00:24 +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
65026a72ef new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24112 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 19:42:18 +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
dc50b3587c The pass was removed, but the spirit lives on 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24108 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 07:22:15 +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
4446e04509 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24103 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 06:37:33 +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
36e12073df new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24099 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-30 05:14:02 +00:00
Chris Lattner
4734630576 Revert an accidental commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24098 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 17:01:41 +00:00
Jeff Cohen
f6764f512c More files deleted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24097 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 16:51:48 +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
Chris Lattner
9d1a02345c Make negative immediates in patterns work correctly, silence some warnings 
building the itanium backend.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24095 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 16:39:40 +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
6e520d0ccf Fix <> in html 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24093 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 07:08:19 +00:00
Chris Lattner
c463b27466 First hack-and-slash on the release notes. Comments and improvements welcome 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24092 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 07:07:09 +00:00
Chris Lattner
e0f5897d3b Remove the lowerconstantexprs pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24091 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 05:34:40 +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
3aa4e15331 Remove the LowerConstantExpressionsPass pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24089 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 05:32:20 +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
feaf960653 Basic updates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24087 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 05:14:01 +00:00
Chris Lattner
dce644dae8 Buh bye Expression.(cpp|h) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24086 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 04:55:57 +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
9a83508a27 remove a dead header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24084 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 04:43:10 +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
Duraid Madina
ad85677879 test for the formation of shladd 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24077 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-29 04:06:49 +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
366080c5e6 Switch more code over to using getValueAsListOfDefs. Look at all the -'s. :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24074 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 22:59:53 +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
b0e103d46b Rename Record::getValueAsListDef to getValueAsListOfDefs, to more accurately 
reflect what it is.
Convert some more code over to use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24072 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 22:49:02 +00:00
Chris Lattner
6bc0d742c2 Use the new interface Jim added 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24071 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 22:43:25 +00:00
Jim Laskey
f7bcde0854 Removed Mr. Smith from the code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24070 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 21:47:29 +00:00
Jim Laskey
fd306bfdd2 Added method to return a vector of records for a ListInit of Def field. This 
simplifies using list of records.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24069 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 21:46:31 +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
Chris Lattner
6df2507121 add support for branch on ordered/unordered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24067 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 20:32:44 +00:00
Chris Lattner
dda73c12e9 add the xfail lines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24066 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 19:57:55 +00:00
Chris Lattner
32b03ff918 New testcase. Probably many targets don't support this, so they should probably 
add themselves as xfails until they do (at least for the release).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24065 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 19:52:02 +00:00
Chris Lattner
f02a916d82 Do not globalize internal symbols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24064 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 18:44:07 +00:00
Chris Lattner
aee436bcc0 These are autogenerated 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24063 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-28 18:26:52 +00:00