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1b12d8855d
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4445 Commits

Author SHA1 Message Date
Chris Lattner
1b12d8855d Implement PR1796 and Transforms/SimplifyCFG/noreturn-call.ll 
by inserting unreachable after no-return calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44099 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-14 06:19:25 +00:00
Chris Lattner
59ab338882 upgrade test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44067 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-13 21:42:48 +00:00
Chris Lattner
b42c8f7101 Implement PR1786 by iterating between dead cycle elimination 
and simplifycfg in the rare cases when it is needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44044 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-13 07:32:38 +00:00
Arnold Schwaighofer
38ada868f2 Update tailcall code to include inline attribute operand for memcpy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43978 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-10 10:48:01 +00:00
Evan Cheng
9858c348d7 Fix tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43961 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-09 20:46:00 +00:00
Chris Lattner
7b52fe7272 Tighten up a check for folding away loads from (newly constant) globals. This 
fixes a crash on Transforms/GlobalOpt/2007-11-09-GEP-GEP-Crash.ll and 
rdar://5585488.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43949 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-09 17:33:02 +00:00
Duncan Sands
27b12384e6 Thanks to the XTARGET line, this test should still 
be run on darwin, but I have no way of checking...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43945 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-09 13:50:25 +00:00
Duncan Sands
38c576c56e Check that the first and third characters, s and u, 
are accessed with an alignment of 2 not 1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43932 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-09 07:47:29 +00:00
Duncan Sands
506f9089a4 Check that accesses to the second short, t, have 
an alignment of 2 rather than 4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43931 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-09 07:46:02 +00:00
Devang Patel
dbaf378350 Run this test only on darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43912 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-08 22:26:46 +00:00
Andrew Lenharth
b410df995c Better check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43897 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-08 18:45:15 +00:00
Andrew Lenharth
ab9338eb9f Fix PR1780 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43893 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-08 17:39:28 +00:00
Lauro Ramos Venancio
e0cb36b9fb [ARM] Implement __builtin_thread_pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43892 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-08 17:20:05 +00:00
Evan Cheng
4471194d69 If both parts of smul_lohi, etc. are used, don't simplify. If only one part is used, try simplify it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43888 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-08 09:25:29 +00:00
Bill Wendling
033903c37b Add testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43839 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-07 19:36:26 +00:00
Tanya Lattner
a57506eea4 Implement the XTARGET feature for PR1778 
This will mark a test as PASS for all targets specified. It will override whatever is in XFAIL.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43788 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-06 22:32:17 +00:00
Chris Lattner
cf5008a792 Implement PR1777 by detecting dependent phis that 
all compute the same value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43777 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-06 21:52:06 +00:00
Evan Cheng
1fd15ba961 Add pseudo dependency to force two-address instruction to be scheduled after 
other uses. There was a overly restricted check that prevented some obvious
cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43762 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-06 08:44:59 +00:00
Chris Lattner
9907cb12ae Fix PR1774 and BasicAA/2007-11-05-SizeCrash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43756 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-06 05:58:42 +00:00
Dan Gohman
80176319f3 Add support for vector remainder operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43744 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-05 23:35:22 +00:00
Dan Gohman
cff550995b Fix an abort in instcombine when folding creates a vector rem instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43743 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-05 23:16:33 +00:00
Dale Johannesen
eb57ea7ea2 Make labels work in asm blocks; allow labels as 
parameters.  Rename ValueRefList to ParamList
in AsmParser, since its only use is for parameters.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43734 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-05 21:20:28 +00:00
Devang Patel
5d01aa484f If a value is incoming from outside the loop then the value does not need remapping and the value is never tracked through LastValueMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43728 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-05 19:32:30 +00:00
Lauro Ramos Venancio
8699a97a2e [ARM] Fix code generation for: 
static __thread struct {
    int a;
    int b;
} teste = {0, 0};



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43722 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-05 18:33:37 +00:00
Evan Cheng
5031fd2d32 Skip over deleted val#'s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43700 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-05 06:46:45 +00:00
Evan Cheng
5942efb0e5 Handle cases where a register and one of its super-register are both marked as 
defined on the same instruction. This fixes PR1767.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43699 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-05 03:11:55 +00:00
Evan Cheng
801e5a98bf Fix test case. Chris didn't do make check. :-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43698 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-05 03:04:26 +00:00
Evan Cheng
8dec727c1f Doh. PR1187 -> PR1766. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43693 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-05 01:00:44 +00:00
Evan Cheng
5f5f3b6333 Fix PR1187. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43692 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-05 00:59:10 +00:00
Chris Lattner
fe6575c2bf Fix PR1761 by not printing (rip) suffix when in -static mode. 
Evan, please review this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43680 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-04 19:23:28 +00:00
Duncan Sands
3cb3650a27 Change uses of getTypeSize to getABITypeSize, getTypeStoreSize 
or getTypeSizeInBits as appropriate in ScalarReplAggregates.
The right change to make was not always obvious, so it would
be good to have an sroa guru review this.  While there I noticed
some bugs, and fixed them: (1) arrays of x86 long double have
holes due to alignment padding, but this wasn't being spotted
by HasStructPadding (renamed to HasPadding).  The same goes
for arrays of oddly sized ints.  Vectors also suffer from this,
in fact the problem for vectors is much worse because basic
vector assumptions seem to be broken by vectors of type with
alignment padding.   I didn't try to fix any of these vector
problems.  (2) The code for extracting smaller integers from
larger ones (in the "int union" case) was wrong on big-endian
machines for integers with size not a multiple of 8, like i1.
Probably this is impossible to hit via llvm-gcc, but I fixed
it anyway while there and added a testcase.  I also got rid of
some trailing whitespace and changed a function name which
had an obvious typo in it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43672 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-04 14:43:57 +00:00
Chris Lattner
03e6c7091e Fix PR1763 by allowing the 'q' constraint to work with 64-bit 
regs on x86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43669 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-04 06:51:12 +00:00
Evan Cheng
c92da3882e There are times when the coalescer would not coalesce away a copy but the copy 
can be eliminated by the allocator is the destination and source targets the
same register. The most common case is when the source and destination registers
are in different class. For example, on x86 mov32to32_ targets GR32_ which
contains a subset of the registers in GR32.

The allocator can do 2 things:
1. Set the preferred allocation for the destination of a copy to that of its source.
2. After allocation is done, change the allocation of a copy destination (if
   legal) so the copy can be eliminated.

This eliminates 443 extra moves from 403.gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43662 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-03 07:20:12 +00:00
Evan Cheng
deb36bd9d4 Add run line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43645 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-02 17:36:58 +00:00
Evan Cheng
7277a7d031 One more extract_subreg coalescing bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43644 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-02 17:35:08 +00:00
Evan Cheng
9df7dc52e8 Missing a getNumOperands check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43630 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-02 01:26:22 +00:00
Owen Anderson
7ebba512c3 Fix test/Transforms/DeadStoreElimination/PartialStore.ll, which had been 
silently failing because of an incorrect run line for some time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43605 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-01 05:29:16 +00:00
Dale Johannesen
df17df864f Test that expand_vector_elt(v2i64) works in 32-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43598 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-01 02:38:24 +00:00
Chris Lattner
e41dcdc964 Fix InstCombine/2007-10-31-StringCrash.ll by removing an obvious 
(in hindsight) infinite recursion.  Simplify the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43597 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-01 02:30:35 +00:00
Chris Lattner
74e012afd3 Fix InstCombine/2007-10-31-RangeCrash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43596 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-01 02:18:41 +00:00
Devang Patel
e45bb9ad5e New test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43527 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 23:07:47 +00:00
Evan Cheng
8392772727 It's not safe to tell SplitCriticalEdge to merge identical edges. It may delete the phi instruction that's being processed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43524 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 22:27:26 +00:00
Dan Gohman
d61de35564 Add support for folding binary operators with vector zero operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43510 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 19:00:49 +00:00
Evan Cheng
af62c09437 - Bug fixes. 
- Allow icmp rewrite using an iv / stride of a smaller integer type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43480 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 22:07:18 +00:00
Dan Gohman
090b38a0da Fix a DAGCombiner abort on a bitcast from a scalar to a vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43470 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 20:44:42 +00:00
Evan Cheng
3c3ddb3a85 Enable more fold (sext (load x)) -> (sext (truncate (sextload x))) 
transformation. Previously, it's restricted by ensuring the number of load uses
is one. Now the restriction is loosened up by allowing setcc uses to be
"extended" (e.g. setcc x, c, eq -> setcc sext(x), sext(c), eq).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43465 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 19:58:20 +00:00
Chris Lattner
c20b0fbfcd update testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43452 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 17:06:35 +00:00
Chris Lattner
cee291c505 Model stacksave and stackrestore as both writing memory, since we 
don't model their dependences on allocas correctly.  This fixes
PR1745.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43442 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 05:47:52 +00:00
Chris Lattner
fb7f343615 Add support for the x86-64 'q' regigster modifier, and add support for the 
b/h/w/k/q inline asm memory modifiers, which are just ignored.  This fixes
PR1748 and CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43430 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 03:09:07 +00:00
Chris Lattner
b361ec3197 Fix PR1749 and InstCombine/2007-10-28-EmptyField.ll by handling 
zero-length fields better.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43427 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 02:40:02 +00:00