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30f3168b7b
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18808 Commits

Author SHA1 Message Date
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. 
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. 
llvm-svn: 37118
 2007-05-16 20:50:01 +00:00
Evan Cheng
0aced52f41 Added isPredicable bit to class Instruction. 
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 
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. 
llvm-svn: 37100
 2007-05-16 06:08:17 +00:00
Evan Cheng
c149ee9f00 Fix comment. 
llvm-svn: 37098
 2007-05-16 05:14:06 +00:00
Evan Cheng
3fb34a4fdd Devang points out that we need an assertion here. 
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 
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 
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 
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 
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
Chris Lattner
fe54b2a495 allow partially materialized modules to be written out, which just strips out 
the functions which haven't been read.

llvm-svn: 36999
 2007-05-11 23:51:59 +00:00