Commit Graph

34306 Commits

Author SHA1 Message Date
Devang Patel
c3957d1983 Avoid negative logic.
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.
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
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.
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.
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.
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
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.
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.
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.
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
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.
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.
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.
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.
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.
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.
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:
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.
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.
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.
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
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.
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.
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.
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.
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
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.
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.
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
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.
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
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
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.
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
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.
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.
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.
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
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.
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
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.
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.
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.
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.
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.
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.
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!
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
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.
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