Evan Cheng
973f4a19cb
PredicateInstruction returns true if the operation was successful.
...
llvm-svn: 37124
2007-05-16 21:53:07 +00:00
Evan Cheng
30f3168b7b
Add default implementation of PredicateInstruction().
...
llvm-svn: 37123
2007-05-16 21:20:37 +00:00
Evan Cheng
6f761adecb
Rename M_PREDICATED to M_PREDICABLE; Moved isPredicable() to MachineInstr.
...
llvm-svn: 37121
2007-05-16 20:56:08 +00:00
Evan Cheng
48f230dcb0
Move if-conversion after all passes that may use register scavenger.
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llvm-svn: 37120
2007-05-16 20:52:46 +00:00
Evan Cheng
f7a017dfa7
Removed isPredicable().
...
llvm-svn: 37119
2007-05-16 20:50:23 +00:00
Evan Cheng
d3f1a259db
Make ARM::B isPredicable; Make Bcc and MOVCC condition option a normal operand so they are not predicable.
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llvm-svn: 37118
2007-05-16 20:50:01 +00:00
Evan Cheng
0aced52f41
Added isPredicable bit to class Instruction.
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llvm-svn: 37117
2007-05-16 20:47:01 +00:00
Reid Spencer
1ec1e07949
Fix a bug in the "fromString" method where radix 2,8 and 16 values were
...
not being generated correctly because the shl operator does not mutate its
object but returns a new value. Also, make the distinction between radix
16 and the others more clear.
llvm-svn: 37111
2007-05-16 19:18:22 +00:00
Reid Spencer
a89e097aa2
Avoid a "loss of precision" error in gcc 4.1.3.
...
llvm-svn: 37105
2007-05-16 16:39:29 +00:00
Duncan Sands
3296999dbb
Output exception call-sites in address order, as required by the unwinding
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runtime.
llvm-svn: 37104
2007-05-16 12:12:23 +00:00
Evan Cheng
6943cefdcd
Conditional branch is not a barrier.
...
llvm-svn: 37103
2007-05-16 07:45:54 +00:00
Chris Lattner
a18b36cf45
Use a ptr set instead of a linear search to unique TokenFactor operands.
...
This fixes PR1423
llvm-svn: 37102
2007-05-16 06:37:59 +00:00
Chris Lattner
e67947b38f
implement the missing maskmovq mmx intrinsic that akor hit.
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llvm-svn: 37100
2007-05-16 06:08:17 +00:00
Evan Cheng
c149ee9f00
Fix comment.
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llvm-svn: 37098
2007-05-16 05:14:06 +00:00
Evan Cheng
3fb34a4fdd
Devang points out that we need an assertion here.
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llvm-svn: 37097
2007-05-16 05:11:10 +00:00
Reid Spencer
3c3aa55322
Implement printing of instruction result values when debug info is turned
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on. This helps to speed up the debugging time by showing computational
results as the program executes.
llvm-svn: 37095
2007-05-16 02:05:13 +00:00
Evan Cheng
a781c7788a
Bug fix: should check ABI alignment, not pref. alignment.
...
llvm-svn: 37094
2007-05-16 02:04:50 +00:00
Evan Cheng
34928ae31f
Hooks for predication support.
...
llvm-svn: 37093
2007-05-16 02:01:49 +00:00
Evan Cheng
aafca4d4a2
Initial commit of (very basic) if converter.
...
llvm-svn: 37092
2007-05-16 02:00:57 +00:00
Dale Johannesen
78ae2e1acb
Remove extra CFG edges before doing these passes; it makes them happier.
...
llvm-svn: 37089
2007-05-15 21:19:17 +00:00
Lauro Ramos Venancio
251ea5ab65
Fix an infinite recursion in GetNegatedExpression.
...
llvm-svn: 37086
2007-05-15 17:05:43 +00:00
Duncan Sands
eddbb07561
The index into the actions table is a ULEB128 not a SLEB128.
...
llvm-svn: 37084
2007-05-15 13:54:14 +00:00
Chris Lattner
701ec7ae28
selects can also reach here
...
llvm-svn: 37081
2007-05-15 06:42:04 +00:00
Chris Lattner
272d600454
implement the ModuleProvider::dematerializeFunction hook
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llvm-svn: 37080
2007-05-15 06:29:44 +00:00
Reid Spencer
b1ac506546
Un-brain-dead-ify the lowering of part set for the reverse case.
...
llvm-svn: 37071
2007-05-15 02:26:52 +00:00
Chris Lattner
ba648e0d45
Fix some subtle issues handling immediate values. This fixes
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test/CodeGen/ARM/2007-05-14-InlineAsmCstCrash.ll
llvm-svn: 37069
2007-05-15 01:33:58 +00:00
Chris Lattner
4861b958f1
fix some subtle inline asm selection issues
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llvm-svn: 37067
2007-05-15 01:31:05 +00:00
Evan Cheng
9f0ffdf4b3
Add PredicateOperand to all ARM instructions that have the condition field.
...
llvm-svn: 37066
2007-05-15 01:29:07 +00:00
Chris Lattner
ce20a357f1
fix subtle bugs in inline asm operand selection
...
llvm-svn: 37065
2007-05-15 01:28:08 +00:00
Evan Cheng
eea85a767e
Added getNumExplicitOperands and findFirstPredOperand.
...
llvm-svn: 37064
2007-05-15 01:26:09 +00:00
Chris Lattner
dfc6f4a06c
Fix Transforms/InstCombine/2007-05-14-Crash.ll
...
llvm-svn: 37057
2007-05-15 00:16:00 +00:00
Lauro Ramos Venancio
c9c5da3939
Fix previous patch. GOTOFF can be used only when the symbol has internal
...
linkage or hidden visibility.
llvm-svn: 37055
2007-05-14 23:20:21 +00:00
Chris Lattner
eba1b74df3
implement a simple fneg optimization/propagation thing. This compiles:
...
CodeGen/PowerPC/fneg.ll into:
_t4:
fmul f0, f3, f4
fmadd f1, f1, f2, f0
blr
instead of:
_t4:
fneg f0, f3
fmul f0, f0, f4
fmsub f1, f1, f2, f0
blr
llvm-svn: 37054
2007-05-14 22:04:50 +00:00
Evan Cheng
9645be8cf5
Only worry about intervening kill if there are more than one live ranges in the interval.
...
llvm-svn: 37052
2007-05-14 21:23:51 +00:00
Evan Cheng
e9e48bcf28
Fix for PR1406:
...
v1 =
r2 = move v1
= op r2<kill>
...
r2 = move v1
= op r2<kill>
Clear the first r2 kill if v1 and r2 are joined.
llvm-svn: 37050
2007-05-14 21:10:05 +00:00
Evan Cheng
bb876d7323
When marking a register as being implicitly defined, make sure to clear its partial use info as well.
...
llvm-svn: 37046
2007-05-14 20:39:18 +00:00
Lauro Ramos Venancio
3ff817509f
Optimize PIC implementation. GOTOFF can be used when the symbol is defined
...
and used in the same module.
llvm-svn: 37044
2007-05-14 18:46:23 +00:00
Lauro Ramos Venancio
c6d71fb584
Enable aliases on arm-linux.
...
llvm-svn: 37042
2007-05-14 18:32:56 +00:00
Reid Spencer
afe2314bb0
Give names to the final result values of the part_set computations. This
...
just aids in readability and debugability of the output. No functional change.
llvm-svn: 37037
2007-05-14 17:21:17 +00:00
Dan Gohman
7616b6f30c
Correct a few comments.
...
llvm-svn: 37034
2007-05-14 14:31:17 +00:00
Dan Gohman
f704d8f166
Add passes -view-cfg and -view-cfg-only that are like -print-cfg and
...
-print-cfg-only except they use the ViewCFG function, which displays the
CFG rendered with graphviz with gv.
llvm-svn: 37033
2007-05-14 14:25:08 +00:00
Reid Spencer
3dab764309
Make the results for the rotate functions correct when rotateAmt == 0.
...
llvm-svn: 37026
2007-05-14 00:15:28 +00:00
Reid Spencer
a17d02ad08
Add some things needed by the llvm-gcc version supporting bit accurate integer
...
types:
1. Functions to compute div/rem at the same time.
2. Further assurance that an APInt with 0 bitwidth cannot be constructed.
3. Left and right rotate operations.
4. An exactLogBase2 function which requires an exact power of two or it
returns -1.
llvm-svn: 37025
2007-05-13 23:44:59 +00:00
Chris Lattner
ecc23415ad
Fix PR1413
...
llvm-svn: 37023
2007-05-13 22:19:27 +00:00
Chris Lattner
8ed56b8c48
Fix Transforms/GlobalOpt/2007-05-13-Crash.ll
...
llvm-svn: 37020
2007-05-13 21:28:07 +00:00
Anton Korobeynikov
ad0dd14386
Emit function debug frames in one atom. This will prevent us from generating incorrect assembler in case of both
...
debug information & exception information presented.
llvm-svn: 37019
2007-05-13 17:30:11 +00:00
Anton Korobeynikov
100919126f
Emit multiple common EH frames for multiple (including blank) personality
...
functions. This partly fixes PR1414: now we're restricted only to one
personality function per eh frame, not per module. Further work on
"multiple personalities" topic needs representative example.
llvm-svn: 37018
2007-05-13 15:42:26 +00:00
Anton Korobeynikov
7daaf71b29
More DWARF-related things cleanup:
...
1. Fix PR1380
2. Apply Duncan's patch from PR1410
3. Insert workaround for "one personality function per module" as noted in PR1414
4. Emit correct debug frames for x86/linux. This partly fixes DebugInfo/2006-11-06-StackTrace.cpp: stack trace is
shown correctly, but arguments for function on top of stack are displayed incorrectly.
llvm-svn: 37015
2007-05-12 22:36:25 +00:00
Reid Spencer
8c2e0f85eb
Fix shl to produce the correct result when the bitwidth is > 64 and the
...
shift amount is 0. Previously this code would do a lshr by the bit width
which can lead to incorrect results.
llvm-svn: 37010
2007-05-12 18:01:57 +00:00
Reid Spencer
e7a70b7212
Get the size of auto arrays right, regardless of its changing size.
...
llvm-svn: 37006
2007-05-12 11:07:40 +00:00