Devang Patel
c3957d1983
Avoid negative logic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41829 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-11 01:10:45 +00:00
Devang Patel
d35ed2c16d
Refactor code into a separate method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41826 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-11 00:42:56 +00:00
Chris Lattner
644f149328
Testcase for PR1634
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41824 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-11 00:39:43 +00:00
Devang Patel
964be45e7c
Clear split info object.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41823 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-11 00:23:56 +00:00
Devang Patel
4f12c5f615
Split condition does not have to be ICmpInst in all cases.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41822 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-11 00:12:56 +00:00
Devang Patel
ba32a5f3cc
Check all terminators inside loop.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41821 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 23:57:58 +00:00
Chris Lattner
75e3bd5bf2
remove obsolete testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41820 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 23:51:41 +00:00
Chris Lattner
50d9d77643
remove some dead code, this is handled by constant folding.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41819 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 23:46:29 +00:00
Chris Lattner
a0ef5ed742
Fix a buggy constant folding transformation when handling aliases.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41818 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 23:42:42 +00:00
Devang Patel
0c0f7c935b
Swap exit condition operands if it works.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41817 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 23:34:06 +00:00
Chris Lattner
569f7371d6
regenerate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41816 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 23:24:14 +00:00
Chris Lattner
e543424d9a
Fix PR1645 by resolving forward alias references.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41815 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 23:23:53 +00:00
Dale Johannesen
0c82b9de77
Add missing llvm-dis.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41813 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 22:47:59 +00:00
Evan Cheng
be36798bfe
80 col.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41812 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 22:22:23 +00:00
Evan Cheng
f618e7c2a1
New entry.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41810 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 22:16:37 +00:00
Evan Cheng
2d9823875a
Observation of rematerialization.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41809 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 22:11:18 +00:00
Chris Lattner
bf8ae84a21
Add some notes about better flag handling.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41808 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 21:43:18 +00:00
Chris Lattner
61c5ff460b
Emit:
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cmpl %eax, %ecx
setae %al
movzbl %al, %eax
instead of:
cmpl %eax, %ecx
setb %al
xorb $1, %al
movzbl %al, %eax
when using logical not of a C comparison.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41807 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 21:39:07 +00:00
Chris Lattner
8de5f1cc7b
this is not infinite recursion.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41806 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 21:16:23 +00:00
Chris Lattner
87b51bc2b0
1. Don't call Value::getName(), which is slow.
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2. Lower calls to fabs and friends to FABS nodes etc unless the function has
internal linkage. Before we wouldn't lower if it had a definition, which
is incorrect. This allows us to compile:
define double @fabs(double %f) {
%tmp2 = tail call double @fabs( double %f )
ret double %tmp2
}
into:
_fabs:
fabs f1, f1
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41805 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 21:15:22 +00:00
Chris Lattner
8d9455d4e4
Prevent tailcallelim from breaking "recursive" calls to builtins.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41804 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 20:58:55 +00:00
Evan Cheng
b0869ed44d
It's not safe to rematerialize MOV32r0 etc. by simply cloning the original
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instruction. These are implemented with xor which will modify the conditional
code. They should be rematerialized as move instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41802 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 20:48:53 +00:00
Devang Patel
9c7a9f186c
Filter exit conditions which are not yet handled.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41800 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 18:33:42 +00:00
Devang Patel
cf6af30feb
New test.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41799 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 18:12:52 +00:00
Devang Patel
bc533cd128
Require SCEV before LCSSA.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41798 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10 18:08:23 +00:00
Owen Anderson
7fad7e3db8
Remove an un-needed dependence query. This improves compile time marginally on 401.bzip2.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41792 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-09 21:43:49 +00:00
Daniel Berlin
2f5d5937ec
Add SparseBitVector implementation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41790 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-09 01:10:40 +00:00
Owen Anderson
d06eb2c879
Turn GVN on by default.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41787 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-08 22:23:52 +00:00
Dale Johannesen
907f28ce30
Implement misaligned FP loads and stores.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41786 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-08 19:29:23 +00:00
Nick Lewycky
db7e3c9e99
Fix description of the call instruction. There are two types, with one being
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optional.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41785 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-08 13:57:50 +00:00
Chuck Rose III
418d360518
Fix for VisualStudio. It is treating a 2 bit enum as a signed int for comparison purposes, causing failures. Using an extra bit fixes it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41784 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-08 04:17:08 +00:00
Evan Cheng
7dfda9e674
Smarter Reset(). Instead of deallocating all memory regions and reallocate the
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first region, just deallocate all but the last region in the list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41782 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-08 00:02:17 +00:00
Evan Cheng
ef61ed3507
TableGen no longer emit CopyFromReg nodes for implicit results in physical
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registers. The scheduler is now responsible for emitting them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41781 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07 23:59:02 +00:00
Bill Wendling
82d25148a7
Add missing index versions of instructions to the map.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41776 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07 22:01:02 +00:00
Dan Gohman
1ab79897e2
Avoid storing and reloading zeros and other constants from stack slots
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by flagging the associated instructions as being trivially rematerializable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41775 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07 21:32:51 +00:00
Dale Johannesen
cdd509aecd
Apply feedback from previous patch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41774 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07 21:07:57 +00:00
Dale Johannesen
073d48da50
Revert previous change to IR.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41769 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07 18:31:50 +00:00
Rafael Espindola
588af2fb99
Add support for having different alignment for objects on call frames.
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The x86-64 ABI states that objects passed on the stack have
8 byte alignment. Implement that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41768 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07 14:52:14 +00:00
Anton Korobeynikov
8806c7b1f5
Split eh.select / eh.typeid.for intrinsics into i32/i64 versions. This is needed, because they just "mark" register
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liveins and we let frontend solve type issue, not lowering code :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41763 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07 11:39:35 +00:00
Bill Wendling
0fe4b5a113
Test for PR1641.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41762 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07 08:30:09 +00:00
Chris Lattner
a54c7eb157
Don't zap back to back volatile load/stores
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41759 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07 05:33:03 +00:00
Owen Anderson
718cb665ca
Add lengthof and endof templates that hide a lot of sizeof computations.
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Patch by Sterling Stein!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41758 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07 04:06:50 +00:00
David Greene
af992f782f
Constify to catch bugs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41751 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06 19:46:46 +00:00
Dale Johannesen
43421b3dd7
Next round of APFloat changes.
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Use APFloat in UpgradeParser and AsmParser.
Change all references to ConstantFP to use the
APFloat interface rather than double. Remove
the ConstantFP double interfaces.
Use APFloat functions for constant folding arithmetic
and comparisons.
(There are still way too many places APFloat is
just a wrapper around host float/double, but we're
getting there.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41747 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06 18:13:44 +00:00
Anton Korobeynikov
325be7c608
Proper handle case, when aliasee is external weak symbol referenced only by alias itself.
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Also, fix a case, when target doesn't have weak symbols supported.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41746 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06 17:21:48 +00:00
David Greene
04fa32f9aa
Add instruction dump output. This helps find bugs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41744 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06 16:36:39 +00:00
David Greene
2c17c4d8d9
Pluggable coalescers inplementation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41743 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06 16:18:45 +00:00
Nick Lewycky
455e176ffb
Use isTrueWhenEqual. Thanks Chris!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41741 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06 02:40:25 +00:00
Nick Lewycky
5a5ff9d7df
When the two operands of an icmp are equal, there are five possible predicates
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that would make the icmp true. Fixes PR1637.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41740 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06 01:10:22 +00:00
Evan Cheng
dd199d29b7
Fix a memory leak.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41739 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06 01:07:24 +00:00