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10b271152a
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15591 Commits

Author SHA1 Message Date
Chris Lattner
10b271152a change keyword to datalayout 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31108 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-22 06:07:41 +00:00
Chris Lattner
d2f9e609aa Change keyword to datalayout 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31107 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-22 06:06:56 +00:00
Chris Lattner
d2d86703f0 3 Changes: 
1. Better document what is going on here.
2. Only hack on one branch per iteration, making the results less conservative.
3. Handle the problematic case by marking edges executable instead of by
   playing with value lattice states.  This is far less pessimistic, and fixes
   SCCP/ipsccp-gvar.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31106 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-22 05:59:17 +00:00
Chris Lattner
4bc135e93b don't break infinite loops 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31102 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-21 06:11:43 +00:00
Chris Lattner
7c4fe259f8 Implement support for branch reversal, fix a bug in branch analysis. 
This provides stuff like:

        cmpw cr0, r15, r29
        mr r14, r15
-       bge cr0, LBB3_111       ;bb656
-       b LBB3_90       ;bb501
+       blt cr0, LBB3_90        ;bb501
 LBB3_111:      ;bb656
        lwz r18, 68(r1)

which is particularly good for dispatch group formation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31101 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-21 06:03:11 +00:00
Chris Lattner
a2d799531a Use branch reversal to do stuff like this: 
call L_strcmp$stub
        testl %eax, %eax
-       jne LBB26_208   #cond_true6020
-       jmp LBB26_227   #bb7119
+       je LBB26_227    #bb7119
 LBB26_208:     #cond_true6020
        movl $l31_str14, 4(%esp)

        testl %eax, %eax
-       jne LBB26_704   #cond_true13042
-       jmp LBB26_713   #bb13151
+       je LBB26_713    #bb13151
 LBB26_704:     #cond_true13042
        movl $_str52, 4(%esp)

        cmpl 76(%ecx), %eax
-       jge LBB26_1628  #cond_false63.i.i
-       jmp LBB26_1769  #_Z8makeGridP13mrSurfaceListidiidd.exit.i
+       jl LBB26_1769   #_Z8makeGridP13mrSurfaceListidiidd.exit.i
 LBB26_1628:    #cond_false63.i.i
        movl $0, 48964(%esp)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31100 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-21 05:54:00 +00:00
Chris Lattner
9cd6875917 Implement support for branch condition reversal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31099 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-21 05:52:40 +00:00
Chris Lattner
2d47bd937c Transform code like: 
jle FOO
  jmp BAR
BAR:

into:

  jle FOO
BAR:

... whoa!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31098 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-21 05:43:30 +00:00
Chris Lattner
879d09cf13 Simplify code, no functionality change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31097 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-21 05:42:09 +00:00
Chris Lattner
54108068b7 implement support for inserting a cond branch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31096 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-21 05:36:13 +00:00
Chris Lattner
34a84ac81c allow insertion of a conditional branch with fall-through 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31095 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-21 05:34:23 +00:00
Chris Lattner
386e29065d Three changes: 
1. Remove a bunch of ifdef'd code.
2. When a block just contains an uncond branch, change all blocks branching
   to it to jump to the destination instead.
3. If branch analysis tells us some edges in the machinecfg are not actually
   possible, remove them.

#2 triggers a suprisingly large number of times.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31094 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-21 05:08:28 +00:00
Chris Lattner
2a445add12 update assert message 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31093 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-21 04:42:29 +00:00
Chris Lattner
12143054aa Add an experimental cross-jumping implementation. 
This is currently disabled by default and limited in several ways, but does
have a positive effect.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31090 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-21 00:47:49 +00:00
Chris Lattner
8ace2cd034 implement MachineOperand::isIdenticalTo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31088 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 22:39:59 +00:00
Chris Lattner
9dcbf0dedc llvm-extract should remove module-level asm 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31086 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 21:35:41 +00:00
Chris Lattner
5860715e9d bugfix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31074 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 20:44:34 +00:00
Chris Lattner
6734bffe24 Fix an ugly problem in SCCP. This fixes Benchmarks/Misc-C++/mandel-text.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31073 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 20:19:08 +00:00
Chris Lattner
87d8429506 Fix miscompilation of MallocBench/espresso which code review pointed out 
but apparently didn't make it into the final patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31070 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 18:20:21 +00:00
Chris Lattner
34ab4d45d2 Make flag and chain edges visually distinguishable from value edges in DOT 
output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31067 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 18:06:09 +00:00
Chris Lattner
7fbe9723e3 Implement branch analysis/xform hooks required by the branch folding pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31065 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 17:42:20 +00:00
Reid Spencer
b83eb6447b For PR950: 
This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31063 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 07:07:24 +00:00
Devang Patel
6e7dd9db6b While creating mask, use 1ULL instead of 1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31062 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 01:16:56 +00:00
Chris Lattner
b74b181630 Fix SimplifyCFG/2006-10-19-UncondDiv.ll by disabling a bad xform. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31061 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 00:42:07 +00:00
Chris Lattner
35b89fa639 add a method to determine whether evaluation of a constant can trap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31059 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 00:27:06 +00:00
Bill Wendling
c70ddad2b7 Partially in response to PR926: insert the newly created machine basic 
blocks into the basic block list when lowering the switch inst. into a
binary tree of if-then statements. This allows the "visitSwitchCase" func
to allow for fall-through behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31057 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-19 21:46:38 +00:00
Devang Patel
002e499650 It is OK to remove extra cast if operation is EQ/NE even though source 
and destination sign may not match but other conditions are met.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31056 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-19 20:59:13 +00:00
Devang Patel
df308fa7ab Typo Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31055 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-19 19:21:36 +00:00
Devang Patel
85415ed270 Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31054 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-19 19:05:38 +00:00
Devang Patel
6ce890b6ec Fix bug in PR454 resolution. Added new test case. 
This fixes llvmAsmParser.cpp miscompile by llvm on PowerPC Darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31053 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-19 18:54:08 +00:00
Rafael Espindola
2435786414 use Pat to implement extloadi8 and extloadi16 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31052 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-19 17:05:03 +00:00
Rafael Espindola
20793115a8 implement undef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31049 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-19 13:45:00 +00:00
Rafael Espindola
b97809c9a7 print common symbols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31048 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-19 13:30:40 +00:00
Rafael Espindola
3692c7ac17 implement extloadi8 and extloadi16 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31047 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-19 12:45:04 +00:00
Rafael Espindola
6495bdd8d2 expand SIGN_EXTEND_INREG 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31046 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-19 12:06:50 +00:00
Rafael Espindola
4749aa4ea3 expand brind so that we don't have to implement jump tables right now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31045 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-19 10:56:43 +00:00
Reid Spencer
bfb8eaff73 Beef up the output from DiffFilesWithTolerance by setting the error code 
to describe the difference being reported. This assists with understanding
differences an llvm-test and should help with bugpoint too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31044 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 20:23:52 +00:00
Jim Laskey
07a2709e9d Add option for controlling inclusion of global AA. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31040 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 19:08:31 +00:00
Chris Lattner
9189777869 fit in 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31039 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 18:26:48 +00:00
Chris Lattner
f4879d4e91 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31038 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 17:04:09 +00:00
Rafael Espindola
71d94d8817 add blx 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31037 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 16:21:43 +00:00
Rafael Espindola
70673a1a90 add isTerminatortto b and bcond 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31036 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 16:20:57 +00:00
Jim Laskey
096c22ea3d Use global info for alias analysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31035 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 12:29:57 +00:00
Rafael Espindola
5f1b698aeb implement CallingConv::Fast as CallingConv::C 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31034 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 12:03:07 +00:00
Anton Korobeynikov
b1c8802407 Fixed mingw\cygwin linkonce linkage once again. 
Added workaround for linker bug with linkonce sections.
Changed sections prefix to allow linker merge them
(PE loader doesn't like too much long-named sections :) )
All of this unbreaks libstdc++ on mingw32 allowing (small)
programs to be compiled, linked and run.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31033 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 09:12:29 +00:00
Owen Anderson
1dc6969f48 Add support for the new "target data" information in .ll files. This provides 
a better encoding of the targets data layout, rather than trying to guess it
from the endianness and pointersize like before.

Update the generated files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31031 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 02:21:48 +00:00
Owen Anderson
cf7ff2b4c8 Add support for the new "target data" information in .ll files. This provides 
a better encoding of the targets data layout, rather than trying to guess it
from the endianness and pointersize like before.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31030 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 02:21:12 +00:00
Chris Lattner
10da957574 set the ppc64 stack pointer right, dynamic alloca now works for ppc64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31028 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 01:20:43 +00:00
Chris Lattner
56a752e00f Expand alloca for ppc64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31027 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-18 01:18:48 +00:00
Chris Lattner
683747abb8 Teach the branch folder to update debug info if it removes blocks with line 
# notes in it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31026 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-17 23:17:27 +00:00