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Author SHA1 Message Date
Anton Korobeynikov
bdb4f560da Fix PR1325: Case range optimization was performed in the case it 
shouldn't. Also fix some "latent" bug on 64-bit platforms

llvm-svn: 35990
 2007-04-14 13:25:55 +00:00
Duncan Sands
99bc2c31b3 Correct typo. 
llvm-svn: 35989
 2007-04-14 12:30:27 +00:00
Reid Spencer
424ebf9c39 Fix a missing -f that the new llvm.exp found. 
llvm-svn: 35988
 2007-04-14 09:45:16 +00:00
Reid Spencer
e44effb288 Fix a missing -f caught by the new llvm.exp script. 
llvm-svn: 35987
 2007-04-14 09:43:30 +00:00
Reid Spencer
90bdd23c2b Initial version of a re-write of llvm-runtest that doesn't write the 
tests to a script file but executes each line individually and catches
errors on each line too.

llvm-svn: 35986
 2007-04-14 09:39:28 +00:00
Chris Lattner
6e71d21892 disable shift/and lowering to work around PR1325 for now. 
llvm-svn: 35985
 2007-04-14 02:26:56 +00:00
Chris Lattner
a283acb406 Implement a few missing xforms: printf("foo\n") -> puts. printf("x") -> putchar 
printf("") -> noop.  Still need to do the xforms for fprintf.

This implements Transforms/SimplifyLibCalls/Printf.ll

llvm-svn: 35984
 2007-04-14 01:17:48 +00:00
Chris Lattner
3a22af9126 new testcase 
llvm-svn: 35983
 2007-04-14 01:17:38 +00:00
Chris Lattner
25f2c932b7 in addition to merging, constantmerge should also delete trivially dead globals, 
in order to clean up after simplifylibcalls.

llvm-svn: 35982
 2007-04-14 01:11:54 +00:00
Chris Lattner
6f64f54168 Implement PR1201 and test/Transforms/InstCombine/malloc-free-delete.ll 
llvm-svn: 35981
 2007-04-14 00:20:02 +00:00
Chris Lattner
1d90754cf7 testcase for PR1201 
llvm-svn: 35980
 2007-04-14 00:19:36 +00:00
Chris Lattner
b97ff21db2 use an accessor to simplify code. 
llvm-svn: 35979
 2007-04-14 00:17:39 +00:00
Chris Lattner
5ed58fc4a9 add GetElementPtrInst::hasAllZeroIndices, a long-overdue helper method. 
Writing it twice in the same day was too much for me.

llvm-svn: 35978
 2007-04-14 00:12:57 +00:00
Reid Spencer
84c2475e77 We want the number of bits needed, not the power of 2. 
llvm-svn: 35977
 2007-04-14 00:00:10 +00:00
Dale Johannesen
e7e6d863f4 tests for struct/union as input operands to asm. 
llvm-svn: 35976
 2007-04-13 22:54:11 +00:00
Jeff Cohen
3ffd34cac6 Silence VC++ warning. 
llvm-svn: 35975
 2007-04-13 22:52:03 +00:00
Reid Spencer
5263c69f0d Add the SCCP regression tests for APInt expressions. These test cases 
turned up some regressions that have since been fixed. We don't want to
loose the regression tests.

Test cases by Guoling Han.

llvm-svn: 35974
 2007-04-13 22:33:10 +00:00
Chris Lattner
cbe92494fd xfail this for now 
llvm-svn: 35973
 2007-04-13 22:20:27 +00:00
Chris Lattner
8477dd1722 Now that codegen prepare isn't defeating me, I can finally fix what I set 
out to do! :)

This fixes a problem where LSR would insert a bunch of code into each MBB
that uses a particular subexpression (e.g. IV+base+C).  The problem is that
this code cannot be CSE'd back together if inserted into different blocks.

This patch changes LSR to attempt to insert a single copy of this code and
share it, allowing codegenprepare to duplicate the code if it can be sunk
into various addressing modes.  On CodeGen/ARM/lsr-code-insertion.ll,
for example, this gives us code like:

        add r8, r0, r5
        str r6, [r8, #+4]
..
        ble LBB1_4      @cond_next
LBB1_3: @cond_true
        str r10, [r8, #+4]
LBB1_4: @cond_next
...
LBB1_5: @cond_true55
        ldr r6, LCPI1_1
        str r6, [r8, #+4]

instead of:

        add r10, r0, r6
        str r8, [r10, #+4]
...
        ble LBB1_4      @cond_next
LBB1_3: @cond_true
        add r8, r0, r6
        str r10, [r8, #+4]
LBB1_4: @cond_next
...
LBB1_5: @cond_true55
        add r8, r0, r6
        ldr r10, LCPI1_1
        str r10, [r8, #+4]

Besides being smaller and more efficient, this makes it immediately
obvious that it is profitable to predicate LBB1_3 now :)

llvm-svn: 35972
 2007-04-13 20:42:26 +00:00
Chris Lattner
ef78f89fa5 new lsr testcase 
llvm-svn: 35971
 2007-04-13 20:38:14 +00:00
Chris Lattner
bc03b6c341 Completely rewrite addressing-mode related sinking of code. In particular, 
this fixes problems where codegenprepare would sink expressions into load/stores
that are not valid, and fixes cases where it would miss important valid ones.

This fixes several serious codesize and perf issues, particularly on targets
with complex addressing modes like arm and x86.  For example, now we compile
CodeGen/X86/isel-sink.ll to:

_test:
        movl 8(%esp), %eax
        movl 4(%esp), %ecx
        cmpl $1233, %eax
        ja LBB1_2       #F
LBB1_1: #T
        movl $4, (%ecx,%eax,4)
        movl $141, %eax
        ret
LBB1_2: #F
        movl (%ecx,%eax,4), %eax
        ret

instead of:

_test:
        movl 8(%esp), %eax
        leal (,%eax,4), %ecx
        addl 4(%esp), %ecx
        cmpl $1233, %eax
        ja LBB1_2       #F
LBB1_1: #T
        movl $4, (%ecx)
        movl $141, %eax
        ret
LBB1_2: #F
        movl (%ecx), %eax
        ret

llvm-svn: 35970
 2007-04-13 20:30:56 +00:00
Chris Lattner
c65c4e9916 New testcase 
llvm-svn: 35969
 2007-04-13 20:28:08 +00:00
Reid Spencer
6e7854339e Implement a getBitsNeeded method to determine how many bits are needed to 
represent a string in binary form by an APInt.

llvm-svn: 35968
 2007-04-13 19:19:07 +00:00
Devang Patel
d86d04983a Remove use of SlowOperationInformer. 
llvm-svn: 35967
 2007-04-13 18:58:18 +00:00
Devang Patel
d01bb17f76 Undo previous check-in. 
llvm-svn: 35966
 2007-04-13 18:35:15 +00:00
Devang Patel
bfd8480bad Hello uses LLVMSupport.a (SlowerOperationInformer) 
llvm-svn: 35965
 2007-04-13 18:28:23 +00:00
Dan Gohman
2d4b1767ab Rename Value::getValueType to getValueID, to avoid confusion with 
other things named getValueType.

llvm-svn: 35964
 2007-04-13 18:12:09 +00:00
Anton Korobeynikov
5bb6590218 Fix PR1323 : we haven't updated phi nodes in good manner :) 
llvm-svn: 35963
 2007-04-13 06:53:51 +00:00
Chris Lattner
e7cab7b7a4 arm has r+r*s and r+i addr modes, but no r+i+r*s addr modes. 
llvm-svn: 35962
 2007-04-13 06:50:55 +00:00
Zhou Sheng
dedfc40044 Make the apint construction more effective. 
llvm-svn: 35960
 2007-04-13 05:57:32 +00:00
Chris Lattner
335f1cb1f8 CSE simple binary expressions when they are inserted. This makes LSR produce 
less huge code that needs to be cleaned up by sdisel.

llvm-svn: 35959
 2007-04-13 05:04:18 +00:00
Tanya Lattner
425b614986 Adding target triplet to be passed to database. 
llvm-svn: 35958
 2007-04-13 04:36:48 +00:00
Reid Spencer
d31093d340 Implement review feedback .. don't double search a set. 
llvm-svn: 35957
 2007-04-12 21:57:15 +00:00
Reid Spencer
f1154e6d96 Make sure intrinsics that are lowered to functions make the function weak 
linkage so we only end up with one of them in a program. These are, after
all overloaded and templatish in nature.

llvm-svn: 35956
 2007-04-12 21:53:38 +00:00
Dale Johannesen
37aecc68ea testcases for function linkage 
llvm-svn: 35955
 2007-04-12 21:01:53 +00:00
Reid Spencer
0325471d3c Provide support for intrinsics that lower themselves to a function body. 
This can happen for intrinsics that are overloaded.  In such cases it is
necessary to emit a function prototype before the body of the function
that calls the intrinsic and to ensure we don't emit it multiple times.

llvm-svn: 35954
 2007-04-12 21:00:45 +00:00
Lauro Ramos Venancio
000b6f4d9b update documentation 
llvm-svn: 35953
 2007-04-12 20:34:36 +00:00
Lauro Ramos Venancio
acea6ac5ca update documentation 
llvm-svn: 35952
 2007-04-12 19:52:46 +00:00
Lauro Ramos Venancio
6c5f53f6ac Implement Thread Local Storage (TLS) in CBackend. 
llvm-svn: 35951
 2007-04-12 18:42:08 +00:00
Lauro Ramos Venancio
a76c2806de Implement the "thread_local" keyword. 
llvm-svn: 35950
 2007-04-12 18:32:50 +00:00
Chris Lattner
ba8ff05529 vector compares aren't allowed. It doesn't make sense to have an xfailed 
test to remind us of this.

llvm-svn: 35949
 2007-04-12 18:21:52 +00:00
Chris Lattner
ee73b503a4 make this really work on linux :) 
llvm-svn: 35948
 2007-04-12 18:10:16 +00:00
Chris Lattner
62374cc05e make this happier on linux hosts 
llvm-svn: 35947
 2007-04-12 18:09:06 +00:00
Reid Spencer
1e53c865c2 Fix bugs in generated code for part_select and part_set so that llc doesn't 
barf when CBE is run with a program that contains these intrinsics.

llvm-svn: 35946
 2007-04-12 13:30:14 +00:00
Reid Spencer
76e9a17f61 Fix a bug in PartSet. The replacement value needs to be zext or trunc to 
the size of the value, not just zext. Also, give better names to two BBs.

llvm-svn: 35945
 2007-04-12 12:46:33 +00:00
Chris Lattner
0da8de5848 the result of an inline asm copy can be an arbitrary VT that the register 
class supports.  In the case of vectors, this means we often get the wrong
type (e.g. we get v4f32 instead of v8i16).  Make sure to convert the vector
result to the right type.  This fixes CodeGen/X86/2007-04-11-InlineAsmVectorResult.ll

llvm-svn: 35944
 2007-04-12 06:00:20 +00:00
Chris Lattner
7acaf64d70 fold noop vbitconvert instructions 
llvm-svn: 35943
 2007-04-12 05:58:43 +00:00
Chris Lattner
e3db14f830 new testcase 
llvm-svn: 35942
 2007-04-12 05:58:21 +00:00
Chris Lattner
2f221a83ec Fix weirdness handling single element vectors. 
llvm-svn: 35941
 2007-04-12 04:44:28 +00:00
Chris Lattner
2b6b79b896 Fix mmx paddq, add support for the 'y' register class, though it isn't tested. 
llvm-svn: 35940
 2007-04-12 04:14:49 +00:00