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Author SHA1 Message Date
Chris Lattner
8264a9fcca in addition to merging, constantmerge should also delete trivially dead globals, 
in order to clean up after simplifylibcalls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35982 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-14 01:11:54 +00:00
Chris Lattner
6fe5541003 Implement PR1201 and test/Transforms/InstCombine/malloc-free-delete.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35981 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-14 00:20:02 +00:00
Chris Lattner
58de64650d testcase for PR1201 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35980 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-14 00:19:36 +00:00
Chris Lattner
f25646bfb3 use an accessor to simplify code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35979 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-14 00:17:39 +00:00
Chris Lattner
6f771d4351 add GetElementPtrInst::hasAllZeroIndices, a long-overdue helper method. 
Writing it twice in the same day was too much for me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35978 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-14 00:12:57 +00:00
Reid Spencer
0468ab3025 We want the number of bits needed, not the power of 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35977 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-14 00:00:10 +00:00
Dale Johannesen
f6a15eb1a1 tests for struct/union as input operands to asm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35976 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 22:54:11 +00:00
Jeff Cohen
614408dc48 Silence VC++ warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35975 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 22:52:03 +00:00
Reid Spencer
c6b9efabee 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35974 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 22:33:10 +00:00
Chris Lattner
4dcedf1e85 xfail this for now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35973 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 22:20:27 +00:00
Chris Lattner
c5494af8a9 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 :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35972 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 20:42:26 +00:00
Chris Lattner
3bd767b91d new lsr testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35971 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 20:38:14 +00:00
Chris Lattner
dd77df3cbc 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35970 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 20:30:56 +00:00
Chris Lattner
d617d39f74 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35969 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 20:28:08 +00:00
Reid Spencer
57ae4f5f01 Implement a getBitsNeeded method to determine how many bits are needed to 
represent a string in binary form by an APInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35968 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 19:19:07 +00:00
Devang Patel
4beccb897d Remove use of SlowOperationInformer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35967 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 18:58:18 +00:00
Devang Patel
60b0d84594 Undo previous check-in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35966 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 18:35:15 +00:00
Devang Patel
02c768608a Hello uses LLVMSupport.a (SlowerOperationInformer) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35965 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 18:28:23 +00:00
Dan Gohman
a1a702cdd2 Rename Value::getValueType to getValueID, to avoid confusion with 
other things named getValueType.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35964 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 18:12:09 +00:00
Anton Korobeynikov
8085bcfdca Fix PR1323 : we haven't updated phi nodes in good manner :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35963 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 06:53:51 +00:00
Chris Lattner
5a3d40d88f arm has r+r*s and r+i addr modes, but no r+i+r*s addr modes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35962 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 06:50:55 +00:00
Zhou Sheng
daacf22537 Make the apint construction more effective. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35960 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 05:57:32 +00:00
Chris Lattner
7fec90ebf4 CSE simple binary expressions when they are inserted. This makes LSR produce 
less huge code that needs to be cleaned up by sdisel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35959 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 05:04:18 +00:00
Tanya Lattner
849c9a28e1 Adding target triplet to be passed to database. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35958 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 04:36:48 +00:00
Reid Spencer
57c5b1815d Implement review feedback .. don't double search a set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35957 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 21:57:15 +00:00
Reid Spencer
df41353497 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35956 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 21:53:38 +00:00
Dale Johannesen
39cd6f1662 testcases for function linkage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35955 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 21:01:53 +00:00
Reid Spencer
69f80a63a2 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35954 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 21:00:45 +00:00
Lauro Ramos Venancio
a4563364d0 update documentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35953 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 20:34:36 +00:00
Lauro Ramos Venancio
7280c50e2f update documentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35952 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 19:52:46 +00:00
Lauro Ramos Venancio
26ca64c884 Implement Thread Local Storage (TLS) in CBackend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35951 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 18:42:08 +00:00
Lauro Ramos Venancio
c763552299 Implement the "thread_local" keyword. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35950 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 18:32:50 +00:00
Chris Lattner
558385fd93 vector compares aren't allowed. It doesn't make sense to have an xfailed 
test to remind us of this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35949 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 18:21:52 +00:00
Chris Lattner
96b78b0143 make this really work on linux :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35948 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 18:10:16 +00:00
Chris Lattner
d5b6f143a6 make this happier on linux hosts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35947 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 18:09:06 +00:00
Reid Spencer
eeedcb6905 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35946 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 13:30:14 +00:00
Reid Spencer
37958093c6 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35945 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 12:46:33 +00:00
Chris Lattner
3a508c94a6 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35944 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 06:00:20 +00:00
Chris Lattner
4829b1c6ab fold noop vbitconvert instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35943 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 05:58:43 +00:00
Chris Lattner
1780d861ac new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35942 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 05:58:21 +00:00
Chris Lattner
c2941779c3 Fix weirdness handling single element vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35941 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 04:44:28 +00:00
Chris Lattner
6c284d716e Fix mmx paddq, add support for the 'y' register class, though it isn't tested. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35940 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 04:14:49 +00:00
Reid Spencer
4e3e115e15 Make the shlibext and llvmlibsdir variables accessible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35939 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 02:49:30 +00:00
Reid Spencer
f75b874957 For PR1284: 
Implement the "part_set" intrinsic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35938 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 02:48:46 +00:00
Reid Spencer
78732c2d8a The hello pass actually requires a function to chew on! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35937 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 01:12:54 +00:00
Reid Spencer
f0dbf64d0c Fix extra argument in part_set examples. Thanks Zhiru. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35936 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 01:03:03 +00:00
Chris Lattner
69d6f1358c improve the patch for PR1318 to also support grouped options with custom 
handlers (like the pass list).  My previous fix only supported *new* command
line options, not additions to old ones.

This fixes test/Feature/load_module.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35935 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 00:36:29 +00:00
Devang Patel
cfa71e026d New test case for PR 1321. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35934 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 00:32:43 +00:00
Reid Spencer
c891084372 Fix validation errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35933 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-11 23:49:50 +00:00
Reid Spencer
065cc7fa58 Missing end tag. Thanks, Nick. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35932 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-11 23:46:06 +00:00