Owen Anderson
f2fea95f2f
Reapply r110396, with fixes to appease the Linux buildbot gods.
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llvm-svn: 110460
2010-08-06 18:33:48 +00:00
Owen Anderson
aadd8a89ca
Revert r110396 to fix buildbots.
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llvm-svn: 110410
2010-08-06 00:23:35 +00:00
Owen Anderson
b9762c07cb
Don't use PassInfo* as a type identifier for passes. Instead, use the address of the static
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ID member as the sole unique type identifier. Clean up APIs related to this change.
llvm-svn: 110396
2010-08-05 23:42:04 +00:00
Dan Gohman
bea5c99638
Fix a comment.
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llvm-svn: 110181
2010-08-04 01:16:35 +00:00
Gabor Greif
96a9f8c7c6
mass elimination of reliance on automatic iterator dereferencing
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llvm-svn: 109103
2010-07-22 13:36:47 +00:00
Gabor Greif
a7509fca78
undo 80 column trespassing I caused
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llvm-svn: 109092
2010-07-22 10:37:47 +00:00
Owen Anderson
f8addbb0a1
Fix batch of converting RegisterPass<> to INTIALIZE_PASS().
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llvm-svn: 109045
2010-07-21 22:09:45 +00:00
Nick Lewycky
16490a3bf1
Detabify this file.
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llvm-svn: 107637
2010-07-06 03:53:43 +00:00
Gabor Greif
016e24ce4c
use ArgOperand API
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llvm-svn: 107278
2010-06-30 12:42:43 +00:00
Gabor Greif
29b71efff8
use ArgOperand API
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llvm-svn: 106731
2010-06-24 10:42:46 +00:00
Rafael Espindola
6ccafc9391
Make sure that simplify libcalls does not replace a call with one calling
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convention with a new call with a different calling convention.
llvm-svn: 106134
2010-06-16 19:34:01 +00:00
Benjamin Kramer
f600dc2eed
simplify-libcalls: fold strncmp(x, y, 1) -> memcmp(x, y, 1)
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The memcmp will be optimized further and even the pathological case
'strstr(x, "x") == x' generates optimal code now.
llvm-svn: 106097
2010-06-16 10:30:29 +00:00
Benjamin Kramer
21a49e9375
simplify-libcalls: fold strstr(a, b) == a -> strncmp(a, b, strlen(b)) == 0
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llvm-svn: 106047
2010-06-15 21:34:25 +00:00
Benjamin Kramer
40bf97c59d
Kill unneeded SExt.
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llvm-svn: 104692
2010-05-26 09:45:04 +00:00
Benjamin Kramer
0acbf37982
Properly promote operands when optimizing a single-character memcmp.
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llvm-svn: 104648
2010-05-25 22:53:43 +00:00
Eric Christopher
e78496e5f1
Revert 101465, it broke internal OpenGL testing.
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Probably the best way to know that all getOperand() calls have been handled
is to replace that API instead of updating.
llvm-svn: 101579
2010-04-16 23:37:20 +00:00
Gabor Greif
e7d6812008
reapply r101434
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with a fix for self-hosting
rotate CallInst operands, i.e. move callee to the back
of the operand array
the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary
llvm-svn: 101465
2010-04-16 15:33:14 +00:00
Gabor Greif
cd116e8c6a
back out r101423 and r101397, they break llvm-gcc self-host on darwin10
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llvm-svn: 101434
2010-04-16 01:16:20 +00:00
Gabor Greif
2e18d34d80
reapply r101364, which has been backed out in r101368
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with a fix
rotate CallInst operands, i.e. move callee to the back
of the operand array
the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary
llvm-svn: 101397
2010-04-15 20:51:13 +00:00
Gabor Greif
6022150477
back out r101364, as it trips the linux nightlybot on some clang C++ tests
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llvm-svn: 101368
2010-04-15 12:46:56 +00:00
Gabor Greif
428ca23bbd
rotate CallInst operands, i.e. move callee to the back
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of the operand array
the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary
llvm-svn: 101364
2010-04-15 10:49:53 +00:00
Mon P Wang
484bbe6aa9
Reapply address space patch after fixing an issue in MemCopyOptimizer.
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Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
llvm-svn: 100304
2010-04-04 03:10:48 +00:00
Mon P Wang
0ccf050ca3
Revert r100191 since it breaks objc in clang
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llvm-svn: 100199
2010-04-02 18:43:02 +00:00
Mon P Wang
a01350755e
Reapply address space patch after fixing an issue in MemCopyOptimizer.
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Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
llvm-svn: 100191
2010-04-02 18:04:15 +00:00
Bob Wilson
aae933cc81
Revert Mon Ping's change 99928, since it broke all the llvm-gcc buildbots.
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llvm-svn: 99948
2010-03-30 22:27:04 +00:00
Mon P Wang
9351ea594a
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
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e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
A update of langref will occur in a subsequent checkin.
llvm-svn: 99928
2010-03-30 20:55:56 +00:00
Evan Cheng
6ef7ae33a5
Move OptChkCall off LibCallOptimization into StrCpyOpt.
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llvm-svn: 99418
2010-03-24 20:19:04 +00:00
Evan Cheng
1144c23330
Teach simplify libcall to transform __strcpy_chk to __memcpy_chk to enable optimizations down stream.
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llvm-svn: 99282
2010-03-23 15:48:04 +00:00
Benjamin Kramer
94c90c236b
str[r]chr returns its pointer argument so we cannot mark it as nocapture. Thanks to Duncan for spotting my mistake.
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llvm-svn: 98671
2010-03-16 20:33:15 +00:00
Benjamin Kramer
4b48f8274f
Mark str[r]chr readonly.
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llvm-svn: 98663
2010-03-16 19:36:43 +00:00
Eric Christopher
a671e4f7aa
Migrate _chk call lowering from SimplifyLibCalls to InstCombine. Stub
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out the remainder of the calls that we should lower in some way and
move the tests to the new correct directory. Fix up tests that are now
optimized more than they were before by -instcombine.
llvm-svn: 97875
2010-03-06 10:50:38 +00:00
Eric Christopher
dfb465a816
Move SimplifyLibCalls's LibCall builders to a separate file so they
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can be used in more places. Add an argument for the TargetData that
most of them need. Update for the getInt8PtrTy() change. Should be
no functionality change.
llvm-svn: 97844
2010-03-05 22:25:30 +00:00
Evan Cheng
3346ea1d4e
Safely turn memset_chk etc. to non-chk variant if the known object size is >= memset / memcpy / memmove size.
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llvm-svn: 97828
2010-03-05 20:59:47 +00:00
Eric Christopher
3e3c445c81
Move GetStringLength and helper from SimplifyLibCalls to ValueTracking.
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No functionality change.
llvm-svn: 97793
2010-03-05 06:58:57 +00:00
Duncan Sands
1b33dd3c83
There are two ways of checking for a given type, for example isa<PointerType>(T)
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and T->isPointerTy(). Convert most instances of the first form to the second form.
Requested by Chris.
llvm-svn: 96344
2010-02-16 11:11:14 +00:00
Duncan Sands
2acaf3609c
Uniformize the names of type predicates: rather than having isFloatTy and
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isInteger, we now have isFloatTy and isIntegerTy. Requested by Chris!
llvm-svn: 96223
2010-02-15 16:12:20 +00:00
Eric Christopher
ac28e14b77
Recommit this, looks like it wasn't the cause.
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llvm-svn: 95165
2010-02-03 00:21:58 +00:00
Eric Christopher
f070aae6f7
Hopefully temporarily revert this.
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llvm-svn: 95154
2010-02-02 23:01:31 +00:00
Eric Christopher
575fe8690d
Re-add strcmp and known size object size checking optimization.
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Passed bootstrap and nightly test run here.
llvm-svn: 95145
2010-02-02 22:10:43 +00:00
Eric Christopher
02559754dc
Don't need to check the last argument since it'll always be bool. We also
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don't use TargetData here.
llvm-svn: 95040
2010-02-02 00:51:45 +00:00
Eric Christopher
48f2aae32f
More indentation/tabification fixes.
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llvm-svn: 95036
2010-02-02 00:13:06 +00:00
Eric Christopher
1004836336
Untabify previous commit.
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llvm-svn: 95035
2010-02-02 00:06:55 +00:00
Eric Christopher
9e9e599070
Formatting.
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llvm-svn: 95027
2010-02-01 23:25:03 +00:00
Eric Christopher
47d90f7adb
Revert my last couple of patches. They appear to have broken bison.
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llvm-svn: 94841
2010-01-29 21:16:24 +00:00
Eric Christopher
f01379e6c2
Make strcpy_chk lower to strcpy if we have a safe size.
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llvm-svn: 94783
2010-01-29 01:37:11 +00:00
Eric Christopher
bc8f2b1a56
Reapply 94059 while fixing the calling convention setup
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for strcpy.
llvm-svn: 94287
2010-01-23 05:29:06 +00:00
Bob Wilson
8d14b72877
Revert 94059. It is breaking the MultiSource/Benchmarks/Prolangs-C/bison
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test on ARM.
llvm-svn: 94198
2010-01-22 19:16:40 +00:00
Eric Christopher
939ad8be86
Add strcpy_chk -> strcpy support for "don't know" object size
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answers. This will update as object size checking gets better information.
llvm-svn: 94059
2010-01-21 01:04:38 +00:00
Eric Christopher
0574ce70c3
Move the object size intrinsic optimization to inst-combine and make
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it work for any integer size return type.
llvm-svn: 92853
2010-01-06 20:04:44 +00:00
Mikhail Glushenkov
f7e36a1fe2
Formatting.
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llvm-svn: 92831
2010-01-06 09:20:39 +00:00