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0979ca7e3e
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6279 Commits

Author SHA1 Message Date
Chris Lattner
0979ca7e3e Implement the AddPrototypes method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13432 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-09 04:29:57 +00:00
Chris Lattner
a05e0ec419 Print all PHI copies for successor blocks before the terminator, whether it be a conditional branch or switch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13430 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-09 03:42:48 +00:00
Chris Lattner
be97b4e9ab Fix stupid bug in my checkin yesterday 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13429 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 22:41:42 +00:00
Tanya Lattner
6b160503b5 Changed CPUResource to allow access to maxnum users. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13425 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 16:12:50 +00:00
Tanya Lattner
73e3e2e10f Updating my versions of ModuloScheduling in cvs. Still not complete. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13424 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 16:12:10 +00:00
Brian Gaeke
429022bf83 Add support for widening integral casts. 
Flesh out the SetCC support... which currently ends in a little bit
of unfinished code (which is probably completely hilarious) for
generating the condition value splitting the basic block up into 4
blocks, like this (clearly a better API is needed for this!):

       BB
   cond. branch
     /         /          R1=1    R2=0
     \      /
      \    /
    R=phi(R1,R2)

Other minor edits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13423 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 06:36:14 +00:00
Brian Gaeke
59dbff714c Add a bunch more branches 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13422 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 06:08:29 +00:00
Brian Gaeke
9f56482a43 Flesh out GEP support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13421 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 05:27:20 +00:00
Brian Gaeke
6b1d2fa1d1 Add ADD with immediate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13420 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 05:26:55 +00:00
Brian Gaeke
c3e970122a Add forms of CMP, SUBCC, and a few branches, and some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13419 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 04:21:32 +00:00
Brian Gaeke
532e60c403 Add stub support for GEPs. 
Add support for branches (based loosely on X86/InstSelectSimple).
Add support for not visiting phi nodes in the first pass.
Add support for loading bools.
Flesh out support for stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13418 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 04:21:17 +00:00
Alkis Evlogimenos
880e8e4b4c Add required header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13417 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 03:50:03 +00:00
Alkis Evlogimenos
feab248c93 Remove unneeded header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13416 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 03:49:35 +00:00
Chris Lattner
620ce14666 Implement folding of GEP's like: 
%tmp.0 = getelementptr [50 x sbyte]* %ar, uint 0, int 5         ; <sbyte*> [#uses=2]
        %tmp.7 = getelementptr sbyte* %tmp.0, int 8             ; <sbyte*> [#uses=1]

together.  This patch actually allows us to simplify and generalize the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13415 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-07 22:09:22 +00:00
Brian Gaeke
e302a7eb43 Add support for copying bool constants to registers. 
Disable the code that copies long constants to registers - it looks fishy.
Implement some simple casts: integral, smaller than longs, and equal-width
 or narrowing only.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13413 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-07 21:39:30 +00:00
Chris Lattner
e7a31c98db Codegen floating point stores of constants into integer instructions. This 
allows us to compile:

store float 10.0, float* %P

into:
        mov DWORD PTR [%EAX], 1092616192

instead of:

.CPItest_0:                                     # float 0x4024000000000000
.long   1092616192      # float 10
...
        fld DWORD PTR [.CPItest_0]
        fstp DWORD PTR [%EAX]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13409 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-07 21:18:15 +00:00
Chris Lattner
260195d2b1 Make comparisons against the null pointer as efficient as integer comparisons 
against zero.  In particular, don't emit:

        mov %ESI, 0
        cmp %ECX, %ESI

instead, emit:

       test %ECX, %ECX


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13407 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-07 19:55:55 +00:00
Chris Lattner
546516c3c0 Fix PR336: The instcombine pass asserts when visiting load instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13400 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-07 15:35:56 +00:00
John Criswell
8cb23dad20 Don't call getForwardedType() twice, as recommended by Chris. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13391 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-06 22:15:47 +00:00
Chris Lattner
bf455c2360 Implement the new cl::PositionalEatsArgs flag, refactor code a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13388 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-06 22:04:31 +00:00
John Criswell
7775c1f136 Fix for PR#330. 
When looking at getelementptr instructions, make sure to use a forwarded
type.  We want to do this because a DerivedType may drop its uses and then
refine its users, who may then use another user who hasn't been refined yet.
By getting the forwarded type, we always ensure that we're looking at a
Type that isn't in a halfway refined state.

Now, I should be able to put this stuff in PATypeHandle, but it doesn't work
for some reason.  This should do for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13386 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-06 21:18:08 +00:00
Chris Lattner
a19eedeb7a numeric_limits::infinity() apparently does not work on all systems. As a 
workaround, use the C HUGE_VAL macro instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13377 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-06 16:25:59 +00:00
Brian Gaeke
6178085cfd Move the stuff that fixes the size, orientation & fonts of graphs to 
the debugging functions that call "dot". These fixed settings have
various problems: for example, the fixed size that is set in the graph
traits classes is not appropriate for turning the dot file into a PNG,
and if TrueType font rendering is being used, the 'Courier' TrueType font
may not be installed. It seems easy enough to specify these things on the
command line, anyhow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13366 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-05 06:10:06 +00:00
Brian Gaeke
48b008db57 Apply simplification suggested by Chris: why assign() when operator = will do? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13364 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 22:02:41 +00:00
John Criswell
4a9c90446d Fixed inconsistent indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13363 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 21:46:05 +00:00
Brian Gaeke
7ca6712f81 Missing piece of fix for Bug 333 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13362 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 21:41:45 +00:00
Brian Gaeke
7e4375365e Correctly mangle function names when they are used as part of a 
constant pool member's name.
This is intended to address Bug 333.

Also, fix an anachronistic usage of "M" as a parameter of type Function *.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13357 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 21:09:02 +00:00
Brian Gaeke
d11577b68b Add "Args" optional argument to AbstractInterpreter factory methods, which 
fills in a ToolArgs vector in the AbstractInterpreter if it is set. This
ToolArgs vector is used to pass additional arguments to LLI and/or LLC.
This is intended to address Bug 40.

Also, make -debug-only=toolrunner work for the LLC and CBE
AbstractInterpreters.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13356 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 21:09:01 +00:00
Chris Lattner
bbc130d110 Remove unneeded check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13355 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 19:35:11 +00:00
Chris Lattner
c8af02c403 Improve signed division by power of 2 *dramatically* from this: 
div:
        mov %EDX, DWORD PTR [%ESP + 4]
        mov %ECX, 64
        mov %EAX, %EDX
        sar %EDX, 31
        idiv %ECX
        ret

to this:

div:
        mov %EAX, DWORD PTR [%ESP + 4]
        mov %ECX, %EAX
        sar %ECX, 5
        shr %ECX, 26
        mov %EDX, %EAX
        add %EDX, %ECX
        sar %EAX, 6
        ret

Note that the intel compiler is currently making this:

div:
        movl      4(%esp), %edx                                 #3.5
        movl      %edx, %eax                                    #4.14
        sarl      $5, %eax                                      #4.14
        shrl      $26, %eax                                     #4.14
        addl      %edx, %eax                                    #4.14
        sarl      $6, %eax                                      #4.14
        ret                                                     #4.14

Which has one less register->register copy.  (hint hint alkis :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13354 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 19:33:58 +00:00
Brian Gaeke
b171d7949d Add stub support for reading BBTraces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13352 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 17:11:14 +00:00
Chris Lattner
b9110c61fb Do not mark instructions in unreachable sections of the function as live. 
This fixes PR332 and ADCE/2004-05-04-UnreachableBlock.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13349 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 17:00:46 +00:00
Brian Gaeke
660ef70b62 Share ProfilingType enum with the C profiling runtime libraries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13346 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 16:53:07 +00:00
Chris Lattner
9eb9b8ecb9 Improve code generated for integer multiplications by 2,3,5,9 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13342 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 15:47:14 +00:00
Chris Lattner
32ed46b36e Minor efficiency tweak, suggested by Patrick Meredith 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13341 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 15:19:33 +00:00
Brian Gaeke
96e68f9ab1 Fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13340 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-03 23:52:07 +00:00
Brian Gaeke
ebbc0e9bbf In InsertProfilingInitCall(), make it legal to pass in a null array, in 
which case you'll get a null array and zero passed to the profiling function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13336 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-03 22:06:33 +00:00
Brian Gaeke
c03eb7b923 Add initial implementation of basic-block tracing instrumentation pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13335 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-03 22:06:32 +00:00
Chris Lattner
7b11e339d2 Fix a problem with double freeing memory. For some reason, CallGraph is not 
acting like a normal pass.  :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13318 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-02 16:06:18 +00:00
Chris Lattner
224f7e65e0 Plug a minor memory leak 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13317 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-02 07:31:34 +00:00
Chris Lattner
bdcc0b8c55 Do not clone arbitrary condition instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13316 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-02 05:19:36 +00:00
Chris Lattner
12fe2b1b82 Do not infinitely "unroll" single BB loops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13315 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-02 05:02:03 +00:00
Chris Lattner
a1f79fb08b Dont' merge terminators that are needed to select PHI node values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13312 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-02 01:00:44 +00:00
Chris Lattner
e67fa05036 Implement SimplifyCFG/branch-cond-merge.ll 
Turning "if (A < B && B < C)" into "if (A < B & B < C)"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13311 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-01 23:35:43 +00:00
Chris Lattner
00d513182d Make sure to reprocess instructions used by deleted instructions to avoid 
missing opportunities for combination.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13309 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-01 23:27:23 +00:00
Chris Lattner
216d4d85fd Make sure the instruction combiner doesn't lose track of instructions 
when replacing them, missing the opportunity to do simplifications


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13308 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-01 23:19:52 +00:00
Chris Lattner
951fdb9764 Fix my missing parens 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13307 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-01 22:41:51 +00:00
Chris Lattner
92da2c2053 Implement SimplifyCFG/branch-cond-prop.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13306 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-01 22:36:37 +00:00
Chris Lattner
77993632a1 Remove unused #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13304 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-01 21:29:16 +00:00
Chris Lattner
2268684f6f Iterate over the Machine CFG that Brian added instead of the LLVM CFG. 
Look at all of the pretty minuses. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13303 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-01 21:27:53 +00:00