Chris Lattner
5bd0c00b80
determine whether a change was made
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31265 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 18:00:05 +00:00
Chris Lattner
ef13982aa7
implement the BlockHasNoFallThrough hook
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31264 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 17:35:02 +00:00
Chris Lattner
cf420cca57
improve deletion of blocks that just contain branches by knowing that
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the pred block doesn't fall through into them if it's a jumptable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31263 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 17:32:47 +00:00
Chris Lattner
c24ff8ed12
add another target hook for branch folding.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31262 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 17:29:57 +00:00
Jim Laskey
1c6f01aaa5
Load and stores have not been uniqued properly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31261 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 17:25:28 +00:00
Chris Lattner
47e32e6b83
Split *all* critical edges before isel. This resolves issues with spill code
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being inserted on unsplit critical edges, which introduces (sometimes large
amounts of) partially dead spill code.
This also fixes PR925 + CodeGen/Generic/switch-crit-edge-constant.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31260 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 17:04:37 +00:00
Chris Lattner
49bb78ce9f
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31259 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 17:04:16 +00:00
Chris Lattner
b57de3328d
add option to isCriticalEdge
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31258 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 06:58:17 +00:00
Chris Lattner
0997fadc37
break edges more intelligently
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31257 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 06:45:33 +00:00
Chris Lattner
27e1f90d85
Expose a smarter way to break critical edges.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31256 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 06:44:56 +00:00
Chris Lattner
f6de8ad1a2
SplitCriticalEdge checks to see if an edge is critical, don't check twice
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31255 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 06:38:14 +00:00
Chris Lattner
6fb6ef4d65
Fix a serious bug that caused any x86 vector stuff to infinite loop
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31254 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 06:15:26 +00:00
Evan Cheng
31b6ddad31
Doh. Must check if GV is constant first before putting it in .cstring.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31253 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 05:56:51 +00:00
Evan Cheng
71aae62445
Doh. Must check if GV is constant first.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31252 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 05:56:06 +00:00
Nick Lewycky
7a2ed81f08
Emitting raw bytecode is awfully rude. Add -disable-output.
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Clarify the test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31251 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 02:34:41 +00:00
Jim Laskey
1fb8e15424
Editorial clean up.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31250 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 01:34:21 +00:00
Chris Lattner
7466ebf045
add a method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31249 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 01:24:05 +00:00
Chris Lattner
1b9c8e73b5
prepare for a change I'm about to make
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31248 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 00:59:20 +00:00
Chris Lattner
ae2650a9cf
don't dist internal readme
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31247 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 00:51:15 +00:00
Chris Lattner
985384c41d
don't dist internal readme's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31246 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 00:49:54 +00:00
Chris Lattner
064fdccf98
don't distribute internal readme's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31245 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 00:48:27 +00:00
Reid Spencer
b9112019de
Make sure all the readme files get distributed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31244 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28 00:11:39 +00:00
Jim Laskey
def69b92e7
Clean up.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31243 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 23:52:51 +00:00
Chris Lattner
8c494ab759
Fix a bug in merged condition handling (CodeGen/Generic/2006-10-27-CondFolding.ll).
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Add many fewer CFG edges and PHI node entries. If there is a switch which has
the same block as multiple destinations, only add that block once as a successor/phi
node (in the jumptable case)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31242 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 23:50:33 +00:00
Chris Lattner
0d824c3fe1
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31241 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 23:47:34 +00:00
Jim Laskey
583bd47f77
Switch over from SelectionNodeCSEMap to FoldingSet.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31240 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 23:46:08 +00:00
Devang Patel
682f675c86
Use doc_code class.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31239 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 23:06:27 +00:00
Jim Laskey
2f6d4c9766
Clean up
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31238 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 22:52:02 +00:00
Devang Patel
ca403272f4
Document removeModule().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31237 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 22:02:30 +00:00
Chris Lattner
7a498cbc60
this doesn't occur any more in mason
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31236 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 22:02:19 +00:00
Chris Lattner
4ccf63d8cf
the code in question is now:
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cmpw cr0, r7, r3
ble cr0, LBB1_5 ;bb25
LBB1_8: ;bb17
cmpw cr0, r8, r5
bgt cr0, LBB1_2 ;bb
which is just as good as crnand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31235 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 22:00:55 +00:00
Devang Patel
9286cd3e9b
Document getAlignment()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31234 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:58:31 +00:00
Chris Lattner
1c9b2f312d
remove debug code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31233 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:58:03 +00:00
Chris Lattner
d2f9ee9ea7
Codegen cond&cond with two branches. This compiles (f.e.) PowerPC/and-branch.ll to:
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cmpwi cr0, r4, 4
bgt cr0, LBB1_2 ;UnifiedReturnBlock
LBB1_3: ;entry
cmplwi cr0, r3, 0
bne cr0, LBB1_2 ;UnifiedReturnBlock
instead of:
cmpwi cr7, r4, 4
mfcr r2
addic r4, r3, -1
subfe r3, r4, r3
rlwinm r2, r2, 30, 31, 31
or r2, r2, r3
cmplwi cr0, r2, 0
bne cr0, LBB1_2 ;UnifiedReturnBlock
LBB1_1: ;cond_true
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31232 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:54:23 +00:00
Chris Lattner
00ef504797
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31231 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:52:39 +00:00
Chris Lattner
571e434a34
Turn conditions like x<Y|z==q into multiple blocks.
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This compiles Regression/CodeGen/X86/or-branch.ll into:
_foo:
subl $12, %esp
call L_bar$stub
movl 20(%esp), %eax
movl 16(%esp), %ecx
cmpl $5, %eax
jl LBB1_1 #cond_true
LBB1_3: #entry
testl %ecx, %ecx
jne LBB1_2 #UnifiedReturnBlock
LBB1_1: #cond_true
call L_bar$stub
addl $12, %esp
ret
LBB1_2: #UnifiedReturnBlock
addl $12, %esp
ret
instead of:
_foo:
subl $12, %esp
call L_bar$stub
movl 20(%esp), %eax
movl 16(%esp), %ecx
cmpl $4, %eax
setg %al
testl %ecx, %ecx
setne %cl
testb %cl, %al
jne LBB1_2 #UnifiedReturnBlock
LBB1_1: #cond_true
call L_bar$stub
addl $12, %esp
ret
LBB1_2: #UnifiedReturnBlock
addl $12, %esp
ret
And on ppc to:
cmpwi cr0, r29, 5
blt cr0, LBB1_1 ;cond_true
LBB1_3: ;entry
cmplwi cr0, r30, 0
bne cr0, LBB1_2 ;UnifiedReturnBlock
instead of:
cmpwi cr7, r4, 4
mfcr r2
addic r4, r3, -1
subfe r30, r4, r3
rlwinm r29, r2, 30, 31, 31
and r2, r29, r30
cmplwi cr0, r2, 0
bne cr0, LBB1_2 ;UnifiedReturnBlock
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31230 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:36:01 +00:00
Chris Lattner
d0fffc8f29
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31229 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:32:10 +00:00
Evan Cheng
f686d9b71f
Fixed a significant bug where unpcklpd is incorrectly used to extract element 1 from a v2f64 value.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31228 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:08:32 +00:00
Evan Cheng
8d51a3286f
Add a new vextract test case.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31227 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 21:05:18 +00:00
Bill Wendling
22706e82d5
Forgot a }
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31226 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 20:22:04 +00:00
Bill Wendling
b3d83a3ed5
Re-added the part where it tries to remove all global variables first.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31225 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 20:18:06 +00:00
Jim Laskey
2ac33c447d
SmallVector append not insert.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31224 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 19:38:32 +00:00
Jim Laskey
47ce6b4752
Grrr.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31223 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 19:20:12 +00:00
Jim Laskey
788a0c6a18
Temp patch for missing functionality.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31222 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 19:14:16 +00:00
Reid Spencer
461076f052
Make the Value and Type methods print a newline so it prints nicely in gdb
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31221 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 18:58:54 +00:00
Evan Cheng
6bdb3f6c8f
Fix for PR968: expand vector sdiv, udiv, srem, urem.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31220 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 18:49:08 +00:00
Bill Wendling
160db5d20a
MathExtras isn't in the llvm/ADT directory but in the llvm/Support directory.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31219 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 18:47:29 +00:00
Jim Laskey
18529f3515
Apply editorials.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31218 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 18:05:12 +00:00
Reid Spencer
f5d913409d
Improve cvs ignoring of test results.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31217 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 16:43:34 +00:00
Jim Laskey
0e5af195f6
Breakout folding hash set from SelectionDAGCSEMap.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31215 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27 16:16:16 +00:00