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2011-10-15Add a bad char heuristic to StringRef::find.Benjamin Kramer
Based on Horspool's simplified version of Boyer-Moore. We use a constant-sized table of uint8_ts to keep cache thrashing low, needles bigger than 255 bytes are uncommon anyways. The worst case is still O(n*m) but we do a lot better on the average case now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142061 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Attempt to fix MSVC build.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141831 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Fix APFloat::getLargest so that it actually returns the correct value. ↵Eli Friedman
Found by accident while reviewing a patch to nearby code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141816 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07Fix APInt::operator*= so that it computes the correct result for large ↵Eli Friedman
integers where there is unsigned overflow. Fix APFloat::toString so that it doesn't depend on the incorrect behavior in common cases (and computes the correct result in some rare cases). Fixes PR11086. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141441 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04The product of two chrec's can always be represented as a chrec.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141066 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-30Fix a bug in compare_numeric().Jakob Stoklund Olesen
Thanks to Alexandru Dura and Jonas Paulsson for finding it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140859 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-28NULL cannot be portably used as the last argument to a function with ↵Eli Friedman
__attribute((sentinel)), even though it usually works. Use (void*)0 instead. PR11002. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140720 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-14Add APInt support for converting to/from hexatridecimal stringsDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139695 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13unittests/Support/DataExtractorTest.cpp: Specify ULL explicitly to a few ↵NAKAMURA Takumi
constants. It seems i686-cygwin-gcc-4.3 does not accept 64-bit constant without LL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139664 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Add the DataExtractor utility class.Benjamin Kramer
It is an endian-aware helper that can read data from a StringRef. It will come in handy for DWARF parsing. This class is inspired by LLDB's DataExtractor, but is stripped down to the bare minimum needed for DWARF. Comes with unit tests! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139626 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-03Exclude more arm jit failures pending PR10783.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139074 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-30Fix C++0x narrowing errors when char is unsigned.Jeffrey Yasskin
In the case of EDInstInfo, this would actually cause a bug when -1 became 255 and was then compared >=0 in llvm-mc/Disassembler.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138825 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-29Fix a test that wasn't testing the right thing.Matt Beaumont-Gay
The APFloat "Zero" test was actually calling the APFloat(const fltSemantics &, integerPart) constructor, and EXPECT_EQ was treating 0 and -0 as equal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138745 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-27The 'expected' argument to EXPECT_EQ is actually the first one;John McCall
flip these tests around. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138708 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Excluding ARM JIT tests until someone can fix this compilation path.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138676 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Move TargetRegistry and TargetSelect from Target to Support where they belong.Evan Cheng
These are strictly utilities for registering targets and components. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138450 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-29Avoid undefined behaviour if somehow NUM_GRAPHS equals 2^32 (orDuncan Sands
whatever the size of unsigned is), though this can't actually occur for any integer value of NUM_NODES. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136460 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-29Remove extra semicolon.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136432 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Use unsigned rather than uint16_t in case anyone feels like testingDuncan Sands
more graphs, like all graphs with 5 nodes or less. With a 32 bit unsigned type, the maximum is graphs with 6 nodes or less, but that would take a while to test - 5 nodes or less already requires a few seconds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136354 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Check an additional property specific to the way LLVMDuncan Sands
iterates over SCC's. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136353 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Add a unittest for the simply connected components (SCC) iterator class.Duncan Sands
This computes every graph with 4 or fewer nodes, and checks that the SCC class indeed returns exactly the simply connected components reachable from the initial node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136351 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Add test cases for BlockFrequency.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136244 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Remove some code that is no longer needed now that googletest knows howJay Foad
to print STL containers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136213 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Explicitly cast narrowing conversions inside {}s that will become errors inJeffrey Yasskin
C++0x. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136211 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Convert GetElementPtrInst to use ArrayRef.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135904 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24Add Twine support for characters, and switch twine to use a union internallyChris Lattner
to eliminate some casting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135888 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18Add APInt(numBits, ArrayRef<uint64_t> bigVal) constructor to prevent future ↵Jeffrey Yasskin
ambiguity errors like the one corrected by r135261. Migrate all LLVM callers of the old constructor to the new one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135431 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18land David Blaikie's patch to de-constify Type, with a few tweaks.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-15Add an APFloat::convertToInt(APSInt) function that automatically manages theJeffrey Yasskin
memory for the result. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135259 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-14The key of a StringMap can contain nul's in it, so having first() returnChris Lattner
const char* doesn't make sense. Have it return StringRef instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135167 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-12Second attempt at de-constifying LLVM Types in FunctionType::get(),Jay Foad
StructType::get() and TargetData::getIntPtrType(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134982 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-12Revert r134893 and r134888 (and related patches in other trees). It was causingBill Wendling
an assert on Darwin llvm-gcc builds. Assertion failed: (castIsValid(op, S, Ty) && "Invalid cast!"), function Create, file /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.llvm-gcc-i386-darwin9-RA/llvm.src/lib/VMCore/Instructions.cpp, li\ ne 2067. etc. http://smooshlab.apple.com:8013/builders/llvm-gcc-i386-darwin9-RA/builds/2354 --- Reverse-merging r134893 into '.': U include/llvm/Target/TargetData.h U include/llvm/DerivedTypes.h U tools/bugpoint/ExtractFunction.cpp U unittests/Support/TypeBuilderTest.cpp U lib/Target/ARM/ARMGlobalMerge.cpp U lib/Target/TargetData.cpp U lib/VMCore/Constants.cpp U lib/VMCore/Type.cpp U lib/VMCore/Core.cpp U lib/Transforms/Utils/CodeExtractor.cpp U lib/Transforms/Instrumentation/ProfilingUtils.cpp U lib/Transforms/IPO/DeadArgumentElimination.cpp U lib/CodeGen/SjLjEHPrepare.cpp --- Reverse-merging r134888 into '.': G include/llvm/DerivedTypes.h U include/llvm/Support/TypeBuilder.h U include/llvm/Intrinsics.h U unittests/Analysis/ScalarEvolutionTest.cpp U unittests/ExecutionEngine/JIT/JITTest.cpp U unittests/ExecutionEngine/JIT/JITMemoryManagerTest.cpp U unittests/VMCore/PassManagerTest.cpp G unittests/Support/TypeBuilderTest.cpp U lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp U lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp U lib/VMCore/IRBuilder.cpp G lib/VMCore/Type.cpp U lib/VMCore/Function.cpp G lib/VMCore/Core.cpp U lib/VMCore/Module.cpp U lib/AsmParser/LLParser.cpp U lib/Transforms/Utils/CloneFunction.cpp G lib/Transforms/Utils/CodeExtractor.cpp U lib/Transforms/Utils/InlineFunction.cpp U lib/Transforms/Instrumentation/GCOVProfiling.cpp U lib/Transforms/Scalar/ObjCARC.cpp U lib/Transforms/Scalar/SimplifyLibCalls.cpp U lib/Transforms/Scalar/MemCpyOptimizer.cpp G lib/Transforms/IPO/DeadArgumentElimination.cpp U lib/Transforms/IPO/ArgumentPromotion.cpp U lib/Transforms/InstCombine/InstCombineCompares.cpp U lib/Transforms/InstCombine/InstCombineAndOrXor.cpp U lib/Transforms/InstCombine/InstCombineCalls.cpp U lib/CodeGen/DwarfEHPrepare.cpp U lib/CodeGen/IntrinsicLowering.cpp U lib/Bitcode/Reader/BitcodeReader.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134949 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-11De-constify Types in StructType::get() and TargetData::getIntPtrType().Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134893 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-11De-constify Types in FunctionType::get().Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134888 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09Land the long talked about "type system rewrite" patch. ThisChris Lattner
patch brings numerous advantages to LLVM. One way to look at it is through diffstat: 109 files changed, 3005 insertions(+), 5906 deletions(-) Removing almost 3K lines of code is a good thing. Other advantages include: 1. Value::getType() is a simple load that can be CSE'd, not a mutating union-find operation. 2. Types a uniqued and never move once created, defining away PATypeHolder. 3. Structs can be "named" now, and their name is part of the identity that uniques them. This means that the compiler doesn't merge them structurally which makes the IR much less confusing. 4. Now that there is no way to get a cycle in a type graph without a named struct type, "upreferences" go away. 5. Type refinement is completely gone, which should make LTO much MUCH faster in some common cases with C++ code. 6. Types are now generally immutable, so we can use "Type *" instead "const Type *" everywhere. Downsides of this patch are that it removes some functions from the C API, so people using those will have to upgrade to (not yet added) new API. "LLVM 3.0" is the right time to do this. There are still some cleanups pending after this, this patch is large enough as-is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Fix a subtle issue in SmallVector. The following code did not work as expected:Owen Anderson
vec.insert(vec.begin(), vec[3]); The issue was that vec[3] returns a reference into the vector, which is invalidated when insert() memmove's the elements down to make space. The method needs to specifically detect and handle this case to correctly match std::vector's semantics. Thanks to Howard Hinnant for clarifying the correct behavior, and explaining how std::vector solves this problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134554 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22Fix the implementation of ConstantRange::sub(ConstantRange). Patch by Xi Wang!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133648 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-20Revamp the "ConstantStruct::get" methods. Previously, these were scatteredChris Lattner
all over the place in different styles and variants. Standardize on two preferred entrypoints: one that takes a StructType and ArrayRef, and one that takes StructType and varargs. In cases where there isn't a struct type convenient, we now add a ConstantStruct::getAnon method (whose name will make more sense after a few more patches land). It would be "really really nice" if the ConstantStruct::get and ConstantVector::get methods didn't make temporary std::vectors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133412 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18fix the varargs version of StructType::get to not require an LLVMContext, ↵Chris Lattner
making usage much cleaner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133364 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16add some #includes that will soon be needed.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133195 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15unittests: add test for APInt::toString()Dylan Noblesmith
Follow up to r133032. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133107 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Try fixing ↵Argyrios Kyrtzidis
http://google1.osuosl.org:8011/builders/clang-i686-freebsd/builds/3548 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133081 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Add unit tests for ADT/PackedVectorArgyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133075 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-21Add CreateLifetimeStart and CreateLifetimeEnd to the IRBuilder, with plans toNick Lewycky
use these soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131812 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18Teach getCastOpcode about element-by-element vector casts. For example, "trunc"Duncan Sands
can be used to turn a <4 x i64> into a <4 x i32> but getCastOpcode would assert if you passed these types to it. Note that this strictly extends the previous functionality: if getCastOpcode previously accepted two vector types (i.e. didn't assert) then it still will and returns the same opcode (BitCast). That's because before it would only accept vectors with the same bitwidth, and the new code only touches vectors with the same length. However if two vectors have both the same bitwidth and the same length then their element types have the same bitwidth, so the new logic will return BitCast as before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131530 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-11Handle gcc-compatible compilers (such as clang) the same way we handleOscar Fuentes
gcc. Fixes PR9886. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131181 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-28Remove bounded StringRef::compare() since nothing but Clang SA was using it ↵Lenny Maiorani
and it is just as easy to use StringRef::substr() preceding StringRef::compare() to achieve the same thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130430 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-21PR9214: Convert Metadata API to use ArrayRef.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129932 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Implements StringRef::compare with bounds. It is behaves similarly to ↵Lenny Maiorani
strncmp(). Unit tests also included. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129582 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Don't include Operator.h from InstrTypes.h.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129271 91177308-0d34-0410-b5e6-96231b3b80d8
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