Chris Lattner
2d338110d3
don't print dead jump tables
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llvm-svn: 31266
2006-10-28 18:10:06 +00:00
Chris Lattner
394da08e59
determine whether a change was made
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llvm-svn: 31265
2006-10-28 18:00:05 +00:00
Chris Lattner
a478e05437
implement the BlockHasNoFallThrough hook
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llvm-svn: 31264
2006-10-28 17:35:02 +00:00
Chris Lattner
af9b4c33c2
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.
llvm-svn: 31263
2006-10-28 17:32:47 +00:00
Chris Lattner
dcfee77788
add another target hook for branch folding.
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llvm-svn: 31262
2006-10-28 17:29:57 +00:00
Jim Laskey
26ac9ac4ad
Load and stores have not been uniqued properly.
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llvm-svn: 31261
2006-10-28 17:25:28 +00:00
Chris Lattner
ee8a70f370
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
llvm-svn: 31260
2006-10-28 17:04:37 +00:00
Chris Lattner
aab4910db2
new testcase
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llvm-svn: 31259
2006-10-28 17:04:16 +00:00
Chris Lattner
65f872288d
add option to isCriticalEdge
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llvm-svn: 31258
2006-10-28 06:58:17 +00:00
Chris Lattner
a1da382ad3
break edges more intelligently
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llvm-svn: 31257
2006-10-28 06:45:33 +00:00
Chris Lattner
85bc826ca6
Expose a smarter way to break critical edges.
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llvm-svn: 31256
2006-10-28 06:44:56 +00:00
Chris Lattner
41216d38c5
SplitCriticalEdge checks to see if an edge is critical, don't check twice
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llvm-svn: 31255
2006-10-28 06:38:14 +00:00
Chris Lattner
f44a34d817
Fix a serious bug that caused any x86 vector stuff to infinite loop
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llvm-svn: 31254
2006-10-28 06:15:26 +00:00
Evan Cheng
b60a58362a
Doh. Must check if GV is constant first before putting it in .cstring.
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llvm-svn: 31253
2006-10-28 05:56:51 +00:00
Evan Cheng
45b6e99308
Doh. Must check if GV is constant first.
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llvm-svn: 31252
2006-10-28 05:56:06 +00:00
Nick Lewycky
559cf6f755
Emitting raw bytecode is awfully rude. Add -disable-output.
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Clarify the test.
llvm-svn: 31251
2006-10-28 02:34:41 +00:00
Jim Laskey
f5452dfa52
Editorial clean up.
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llvm-svn: 31250
2006-10-28 01:34:21 +00:00
Chris Lattner
44b3550217
add a method
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llvm-svn: 31249
2006-10-28 01:24:05 +00:00
Chris Lattner
93414d06c4
prepare for a change I'm about to make
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llvm-svn: 31248
2006-10-28 00:59:20 +00:00
Chris Lattner
0d69f553c9
don't dist internal readme
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llvm-svn: 31247
2006-10-28 00:51:15 +00:00
Chris Lattner
c94f21143f
don't dist internal readme's
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llvm-svn: 31246
2006-10-28 00:49:54 +00:00
Chris Lattner
b57c880eb0
don't distribute internal readme's
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llvm-svn: 31245
2006-10-28 00:48:27 +00:00
Reid Spencer
6719e92a1a
Make sure all the readme files get distributed.
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llvm-svn: 31244
2006-10-28 00:11:39 +00:00
Jim Laskey
17bfaab377
Clean up.
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llvm-svn: 31243
2006-10-27 23:52:51 +00:00
Chris Lattner
e009249ae1
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)
llvm-svn: 31242
2006-10-27 23:50:33 +00:00
Chris Lattner
95eb901e23
new testcase
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llvm-svn: 31241
2006-10-27 23:47:34 +00:00
Jim Laskey
ef56bc9680
Switch over from SelectionNodeCSEMap to FoldingSet.
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llvm-svn: 31240
2006-10-27 23:46:08 +00:00
Devang Patel
dcc8e8e757
Use doc_code class.
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llvm-svn: 31239
2006-10-27 23:06:27 +00:00
Jim Laskey
e65b6c3c60
Clean up
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llvm-svn: 31238
2006-10-27 22:52:02 +00:00
Devang Patel
1c299088c7
Document removeModule().
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llvm-svn: 31237
2006-10-27 22:02:30 +00:00
Chris Lattner
838d0cbb0a
this doesn't occur any more in mason
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llvm-svn: 31236
2006-10-27 22:02:19 +00:00
Chris Lattner
6fe4efd730
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.
llvm-svn: 31235
2006-10-27 22:00:55 +00:00
Devang Patel
6ebc85d294
Document getAlignment()
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llvm-svn: 31234
2006-10-27 21:58:31 +00:00
Chris Lattner
e2297cd5a6
remove debug code
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llvm-svn: 31233
2006-10-27 21:58:03 +00:00
Chris Lattner
0fab97080c
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
llvm-svn: 31232
2006-10-27 21:54:23 +00:00
Chris Lattner
2c97968c1c
new testcase
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llvm-svn: 31231
2006-10-27 21:52:39 +00:00
Chris Lattner
05159debc4
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
llvm-svn: 31230
2006-10-27 21:36:01 +00:00
Chris Lattner
38e3f37f1c
new testcase
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llvm-svn: 31229
2006-10-27 21:32:10 +00:00
Evan Cheng
090e9abaee
Fixed a significant bug where unpcklpd is incorrectly used to extract element 1 from a v2f64 value.
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llvm-svn: 31228
2006-10-27 21:08:32 +00:00
Evan Cheng
8861459dfc
Add a new vextract test case.
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llvm-svn: 31227
2006-10-27 21:05:18 +00:00
Bill Wendling
dde9793f0c
Forgot a }
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llvm-svn: 31226
2006-10-27 20:22:04 +00:00
Bill Wendling
b8441e6cce
Re-added the part where it tries to remove all global variables first.
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llvm-svn: 31225
2006-10-27 20:18:06 +00:00
Jim Laskey
d3d001e012
SmallVector append not insert.
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llvm-svn: 31224
2006-10-27 19:38:32 +00:00
Jim Laskey
904dfc49e6
Grrr.
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llvm-svn: 31223
2006-10-27 19:20:12 +00:00
Jim Laskey
398ce23c4d
Temp patch for missing functionality.
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llvm-svn: 31222
2006-10-27 19:14:16 +00:00
Reid Spencer
dd294b507f
Make the Value and Type methods print a newline so it prints nicely in gdb
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llvm-svn: 31221
2006-10-27 18:58:54 +00:00
Evan Cheng
a1ce4523e5
Fix for PR968: expand vector sdiv, udiv, srem, urem.
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llvm-svn: 31220
2006-10-27 18:49:08 +00:00
Bill Wendling
7b6f145c8e
MathExtras isn't in the llvm/ADT directory but in the llvm/Support directory.
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llvm-svn: 31219
2006-10-27 18:47:29 +00:00
Jim Laskey
3d1116e32c
Apply editorials.
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llvm-svn: 31218
2006-10-27 18:05:12 +00:00
Reid Spencer
f8a163421d
Improve cvs ignoring of test results.
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llvm-svn: 31217
2006-10-27 16:43:34 +00:00