Evan Cheng
d6ddc308f0
isBlockPredicable() always ignore terminal instructions; add comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37126 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 21:54:37 +00:00
Evan Cheng
3f8602cf20
ARM::tB is also predicable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37125 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 21:53:43 +00:00
Evan Cheng
02c602b333
PredicateInstruction returns true if the operation was successful.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37124 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 21:53:07 +00:00
Evan Cheng
2eb80fa433
Add default implementation of PredicateInstruction().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37123 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 21:20:37 +00:00
Evan Cheng
c3a289c4b5
Rename M_PREDICATED to M_PREDICABLE; Moved isPredicable() to MachineInstr.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37121 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 20:56:08 +00:00
Evan Cheng
75604f81b7
Move if-conversion after all passes that may use register scavenger.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37120 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 20:52:46 +00:00
Evan Cheng
b5f8eff566
Removed isPredicable().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37119 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 20:50:23 +00:00
Evan Cheng
5ada199246
Make ARM::B isPredicable; Make Bcc and MOVCC condition option a normal operand so they are not predicable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37118 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 20:50:01 +00:00
Evan Cheng
064d7cdd3c
Added isPredicable bit to class Instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37117 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 20:47:01 +00:00
Reid Spencer
6551dcdd8a
Fix a bug in the "fromString" method where radix 2,8 and 16 values were
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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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37111 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 19:18:22 +00:00
Reid Spencer
52811bdbf0
Avoid a "loss of precision" error in gcc 4.1.3.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37105 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 16:39:29 +00:00
Duncan Sands
53c3a333a4
Output exception call-sites in address order, as required by the unwinding
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runtime.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37104 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 12:12:23 +00:00
Evan Cheng
aeafca0a25
Conditional branch is not a barrier.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37103 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 07:45:54 +00:00
Chris Lattner
c76d4410ab
Use a ptr set instead of a linear search to unique TokenFactor operands.
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This fixes PR1423
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37102 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 06:37:59 +00:00
Chris Lattner
738a6ec0ae
implement the missing maskmovq mmx intrinsic that akor hit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37100 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 06:08:17 +00:00
Evan Cheng
2706f9771d
Fix comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37098 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 05:14:06 +00:00
Evan Cheng
c5d05ef357
Devang points out that we need an assertion here.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37097 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 05:11:10 +00:00
Reid Spencer
951418b7e9
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37095 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 02:05:13 +00:00
Evan Cheng
93003b8cf2
Bug fix: should check ABI alignment, not pref. alignment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37094 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 02:04:50 +00:00
Evan Cheng
9307292ae2
Hooks for predication support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37093 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 02:01:49 +00:00
Evan Cheng
4e654852f1
Initial commit of (very basic) if converter.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37092 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-16 02:00:57 +00:00
Dale Johannesen
14ba0cc429
Remove extra CFG edges before doing these passes; it makes them happier.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37089 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 21:19:17 +00:00
Lauro Ramos Venancio
b5bb7ffa9c
Fix an infinite recursion in GetNegatedExpression.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37086 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 17:05:43 +00:00
Duncan Sands
49b5c27baa
The index into the actions table is a ULEB128 not a SLEB128.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37084 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 13:54:14 +00:00
Chris Lattner
ce3e2bff8b
selects can also reach here
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37081 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 06:42:04 +00:00
Chris Lattner
d67c632d96
implement the ModuleProvider::dematerializeFunction hook
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37080 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 06:29:44 +00:00
Reid Spencer
76c94b6169
Un-brain-dead-ify the lowering of part set for the reverse case.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37071 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 02:26:52 +00:00
Chris Lattner
c90233b836
Fix some subtle issues handling immediate values. This fixes
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test/CodeGen/ARM/2007-05-14-InlineAsmCstCrash.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37069 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 01:33:58 +00:00
Chris Lattner
9f5d5783ec
fix some subtle inline asm selection issues
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37067 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 01:31:05 +00:00
Evan Cheng
44bec52b1b
Add PredicateOperand to all ARM instructions that have the condition field.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37066 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 01:29:07 +00:00
Chris Lattner
709fd414e2
fix subtle bugs in inline asm operand selection
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37065 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 01:28:08 +00:00
Evan Cheng
19e3f31f6a
Added getNumExplicitOperands and findFirstPredOperand.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37064 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 01:26:09 +00:00
Chris Lattner
6b6aef8efc
Fix Transforms/InstCombine/2007-05-14-Crash.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37057 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-15 00:16:00 +00:00
Lauro Ramos Venancio
5d3d44a848
Fix previous patch. GOTOFF can be used only when the symbol has internal
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linkage or hidden visibility.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37055 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-14 23:20:21 +00:00
Chris Lattner
2944652569
implement a simple fneg optimization/propagation thing. This compiles:
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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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37054 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-14 22:04:50 +00:00
Evan Cheng
8dfffd5a07
Only worry about intervening kill if there are more than one live ranges in the interval.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37052 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-14 21:23:51 +00:00
Evan Cheng
2f6cb2b14c
Fix for PR1406:
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v1 =
r2 = move v1
= op r2<kill>
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r2 = move v1
= op r2<kill>
Clear the first r2 kill if v1 and r2 are joined.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37050 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-14 21:10:05 +00:00
Evan Cheng
8b966d9fd0
When marking a register as being implicitly defined, make sure to clear its partial use info as well.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37046 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-14 20:39:18 +00:00
Lauro Ramos Venancio
930d161ba2
Optimize PIC implementation. GOTOFF can be used when the symbol is defined
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and used in the same module.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37044 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-14 18:46:23 +00:00
Lauro Ramos Venancio
69642f11ed
Enable aliases on arm-linux.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37042 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-14 18:32:56 +00:00
Reid Spencer
9bd57b6561
Give names to the final result values of the part_set computations. This
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just aids in readability and debugability of the output. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37037 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-14 17:21:17 +00:00
Dan Gohman
d9efdb2012
Correct a few comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37034 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-14 14:31:17 +00:00
Dan Gohman
a196b993e0
Add passes -view-cfg and -view-cfg-only that are like -print-cfg and
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-print-cfg-only except they use the ViewCFG function, which displays the
CFG rendered with graphviz with gv.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37033 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-14 14:25:08 +00:00
Reid Spencer
69944e85aa
Make the results for the rotate functions correct when rotateAmt == 0.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37026 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-14 00:15:28 +00:00
Reid Spencer
19dc32a2d4
Add some things needed by the llvm-gcc version supporting bit accurate integer
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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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37025 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-13 23:44:59 +00:00
Chris Lattner
40c1b66d88
Fix PR1413
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37023 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-13 22:19:27 +00:00
Chris Lattner
79cfddf646
Fix Transforms/GlobalOpt/2007-05-13-Crash.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37020 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-13 21:28:07 +00:00
Anton Korobeynikov
185bc8905a
Emit function debug frames in one atom. This will prevent us from generating incorrect assembler in case of both
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debug information & exception information presented.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37019 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-13 17:30:11 +00:00
Anton Korobeynikov
8c7c17354c
Emit multiple common EH frames for multiple (including blank) personality
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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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37018 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-13 15:42:26 +00:00
Anton Korobeynikov
0ff3ca4f92
More DWARF-related things cleanup:
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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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37015 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-12 22:36:25 +00:00