Chris Lattner
6ff645bf0f
Fix a problem exposed by PR3354: simplifycfg was making a potentially
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trapping instruction be executed unconditionally.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62541 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 23:03:13 +00:00
Dan Gohman
c533612949
Remove SDNode's virtual destructor. This makes it impossible for
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SDNode subclasses to keep state that requires non-trivial
destructors, however it was already effectively impossible,
since the destructor isn't actually ever called. There currently
aren't any SDNode subclasses affected by this, and in general
it's desireable to keep SDNode objects light-weight.
This eliminates the last virtual member function in the SDNode
class, so it eliminates the need for a vtable pointer, making
SDNode smaller.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62539 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 22:39:36 +00:00
Dale Johannesen
549170206e
Move & restructure test per review.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62538 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 22:33:12 +00:00
Chris Lattner
a14fa71a4e
convert this to an unfoldable potentially trapping constant expr.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62536 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 22:12:33 +00:00
Chris Lattner
2f39b29170
improve compatibility with cygwin, patch by Jay Foad!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62535 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 22:00:18 +00:00
Chris Lattner
c9a005807a
div/rem by zero and div/rem overflow are both undefined according to
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langref. Constant fold them to undef instead of trying to preserve
the trap. This fixes PR3354.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62534 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 21:55:26 +00:00
Dan Gohman
dbe664adcd
Fix SelectionDAG::ReplaceAllUsesWith to behave correctly when
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uses are added to the From node while it is processing From's
use list, because of automatic local CSE. The fix is to avoid
visiting any new uses.
Fix a few places in the DAGCombiner that assumed that after
a RAUW call, the From node has no users and may be deleted.
This fixes PR3018.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62533 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 21:44:21 +00:00
Chris Lattner
2c7ed11d93
Fix PR3353, infinitely jump threading an infinite loop make from switches.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62529 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 21:20:34 +00:00
Dale Johannesen
1f54f58e64
compile-time fmod was done incorrectly. PR 3316.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62528 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 21:17:05 +00:00
Devang Patel
c15255cfe9
DebugInfo is a lightweight APIs and consumers are expected to use light objects directly. There is no need to support isa<>, dyn_cast<> etc...
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62527 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 21:13:39 +00:00
Devang Patel
0153308abf
Verify Intrinsic::dbg_declare.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62526 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 21:00:48 +00:00
Mike Stump
b76ace310a
Add targets to support the installation of clang in isolation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62522 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 19:48:23 +00:00
Evan Cheng
2722e7b139
DIVREM isel deficiency: If sign bit is known zero, zero out DX/EDX/RDX instead of sign extending the low part (in AX/EAX/RAX) into it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62519 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 19:06:11 +00:00
Evan Cheng
c1a168a0fc
Fix 80 col violations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62518 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 18:57:29 +00:00
Evan Cheng
5fc742d5b2
Handle ISD::DECLARE with PIC relocation model.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62516 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 18:31:51 +00:00
Nick Lewycky
1999ff1d81
Port this test from dejagnu to unit testing.
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The way this worked before was to test APInt by running
"lli -force-interpreter=true" knowing the lli uses APInt under the hood to
store its values. Now, we test APInt directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62514 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 18:08:33 +00:00
Nick Lewycky
4bd4787785
Fix typo, sentence fragment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62512 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 17:42:33 +00:00
Dan Villiom Podlaski Christiansen
bf22bc66b9
Adding your's truly to CREDITS.TXT
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(This is also a test commit.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62511 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 15:04:29 +00:00
Bill Wendling
13524bfd00
Temporarily revert r62487. It's causing this error during a release bootstrap of
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llvm-gcc. Most likely, it's miscompiling one of the "gen*" programs:
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./prev-gcc/xgcc -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./prev-gcc/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.6.0/bin/ -c -g -O2 -mdynamic-no-pic -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -mdynamic-no-pic -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/build -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include -DENABLE_LLVM -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/../llvm.src/include -D_DEBUG -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -o build/gencondmd.o build/gencondmd.c
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected '}' before ')' token
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: warning: excess elements in struct initializer
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: warning: (near initialization for 'insn_conditions[4]')
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected '}' before ')' token
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected ',' or ';' before ')' token
../../llvm-gcc.src/gcc/config/i386/mmx.md:927: error: expected identifier or '(' before ',' token
../../llvm-gcc.src/gcc/config/i386/sse.md:3458: error: expected identifier or '(' before ',' token
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62506 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 08:46:20 +00:00
Evan Cheng
50c3dfefd9
Minor tweak to LowerUINT_TO_FP_i32. Bias (after scalar_to_vector) has two uses so we should make it the second source operand of ISD::OR so 2-address pass won't have to be smart about commuting.
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%reg1024<def> = MOVSDrm %reg0, 1, %reg0, <cp#0>, Mem:LD(8,8) [ConstantPool + 0]
%reg1025<def> = MOVSD2PDrr %reg1024
%reg1026<def> = MOVDI2PDIrm <fi#-1>, 1, %reg0, 0, Mem:LD(4,16) [FixedStack-1 + 0]
%reg1027<def> = ORPSrr %reg1025<kill>, %reg1026<kill>
%reg1028<def> = MOVPD2SDrr %reg1027<kill>
%reg1029<def> = SUBSDrr %reg1028<kill>, %reg1024<kill>
%reg1030<def> = CVTSD2SSrr %reg1029<kill>
MOVSSmr <fi#0>, 1, %reg0, 0, %reg1030<kill>, Mem:ST(4,4) [FixedStack0 + 0]
%reg1031<def> = LD_Fp32m80 <fi#0>, 1, %reg0, 0, Mem:LD(4,16) [FixedStack0 + 0]
RET %reg1031<kill>, %ST0<imp-use,kill>
The reason 2-addr pass isn't smart enough to commute the ORPSrr is because it can't look pass the MOVSD2PDrr instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62505 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 08:19:57 +00:00
Evan Cheng
a06ec9efe1
Now not UINT_TO_FP is legal (it's marked custom), dag combiner won't
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optimize it to a SINT_TO_FP when the sign bit is known zero. X86 isel should perform the optimization itself.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62504 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 08:08:22 +00:00
Chris Lattner
c4f85dd708
Fix PR3016, a bug which can occur do to an invalid assumption:
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we assumed a CFG structure that would be valid when all code in
the function is reachable, but not all code is necessarily
reachable. Do a simple, but horrible, CFG walk to check for this
case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62487 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 02:46:28 +00:00
Chris Lattner
9e0dad4f41
reduce indentation by using 'continue', no functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62477 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 02:07:32 +00:00
Chris Lattner
6fe73bbcf3
Fix some problems in SpeculativelyExecuteBB. Basically,
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because of dead code, a phi could use the speculated instruction
that was not in "BB2". Make this check explicit and tighten up
some other corners. This fixes PR3292. No testcase becauase this
depends entirely on visitation order of blocks and requires a
sequence of 8 passes to repro.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62476 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 00:36:37 +00:00
Chris Lattner
9dd3b610dc
Make this a bit more explicit about which cases need the
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check. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62474 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18 23:22:07 +00:00
Chris Lattner
d62284a804
Fix rdar://6505632, an llc crash on 483.xalancbmk
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62470 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18 20:35:00 +00:00
Sanjiv Gupta
15c94d08ab
Few targets like PIC16 wants libcall generation for illegal type i16.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62467 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18 18:25:27 +00:00
Oscar Fuentes
2cb560f6ef
CMake: Add lib/Analysis/CaptureTracking.cpp
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62462 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18 13:14:11 +00:00
Duncan Sands
8556d2a7f1
BasicAliasAnalysis and FunctionAttrs were both
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doing very similar pointer capture analysis.
Factor out the common logic. The new version
is from FunctionAttrs since it does a better
job than the version in BasicAliasAnalysis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62461 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18 12:19:30 +00:00
Mon P Wang
e3bc6ae92a
Simplify extract element based on comments from Duncan Sands.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62459 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18 06:43:40 +00:00
Nick Lewycky
b3ec5ba9cd
Forgot this in the previous checkin: fopen now has nocapture, realloc is
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supposed to take two arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62457 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18 04:46:10 +00:00
Nick Lewycky
0b6679d32f
Fix copy and pasted typos that prevented strtok_r, realloc, getenv, ungetc,
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putc, puts, perror, vscanf and vsscanf from getting annotations.
Add annotations for eight printf functions, memalign, pread and pwrite.
On Linux, llvm-gcc sometimes renames strdup, getc, putc, strtok_r, scanf and
sscanf. Match the alternate function names.
Fix a crash annotating opendir.
Don't mark fsetpos's second parameter as nocapture. It's supposed to be
captured.
Do mark fopen's path and mode strings as nocapture. Mark ferror as readonly,
but not fileno which may set errno.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62456 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18 04:34:36 +00:00
Gabor Greif
7f85bb6f83
add a comment
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62436 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18 00:27:21 +00:00
Gabor Greif
7f2e381b56
switch over some other methods from indices to iterators
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62430 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 19:46:01 +00:00
Gabor Greif
7543f7fae3
make comparisons a bist faster
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62428 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 19:03:45 +00:00
Devang Patel
2d1768ca52
Remove tabs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62423 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 08:05:14 +00:00
Devang Patel
5aac3d3707
Refactor code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62421 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 08:01:33 +00:00
Bill Wendling
959fb88949
Testcase for last commit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62418 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 07:42:44 +00:00
Bill Wendling
030939c87b
Extend thi
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62415 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 07:40:19 +00:00
Evan Cheng
8e27826649
Fix MatchAddress bug that's preventing negative displacement from being folded in 64-bit mode.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62413 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 07:09:27 +00:00
Devang Patel
7ab2450674
Assign argument type to appropriate DIE.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62412 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 06:57:25 +00:00
Devang Patel
7e55b3a663
Remove dead code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62410 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 06:51:37 +00:00
Devang Patel
2d91d18ba1
Disable composite type debug info for now.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62406 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 05:05:12 +00:00
Bill Wendling
f6a4e2edb0
Temporarily revert my last change. It is causing a bootstrap failure.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62405 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 04:23:51 +00:00
Bill Wendling
8b8a636843
Implement a special algorithm for converting uint_to_fp for i32 values on
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X86. This code:
void f() {
uint32_t x;
float y = (float)x;
}
used to be:
movl %eax, -8(%ebp)
movl [2^52 double], -4(%ebp)
movsd -8(%ebp), %xmm0
subsd [2^52 double], %xmm0
cvtsd2ss %xmm0, %xmm0
Is now:
movsd [2^52 double], %xmm0
movsd %xmm0, %xmm1
movd %ecx, %xmm2
orps %xmm2, %xmm1
subsd %xmm0, %xmm1
cvtsd2ss %xmm1, %xmm0
This is faster on X86. Note that there's an extra load of %xmm0 into %xmm1. That
will be fixed in a later coalescer fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62404 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 03:56:04 +00:00
Oscar Fuentes
70fd453a02
CMake: Add lib/Target/IA64/IA64Subtarget.cpp
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62394 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 01:50:32 +00:00
Gabor Greif
7b98424f71
speed up iterative loop by using iterators. changes direction, but functionally equivalent
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if this works out, I'll change the others next.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62385 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 00:14:25 +00:00
Gabor Greif
125329891f
introduce typedef for complicated vector, and use it too
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62384 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 00:09:08 +00:00
Mon P Wang
7ac9cdfc99
Simplify extract element of a scalar to vector.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62383 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17 00:07:25 +00:00
Gabor Greif
de62aeaec4
typo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62377 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 23:08:50 +00:00