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2010-04-14Clear MachineInstr->MCSymbol maps at the end of a function.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101202 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Fixed an assert() exposed by fuzzing. Now, instead of assert when an invalidJohnny Chen
instruction encoding is encountered, we just return a NULL ARMBasicMCBuilder instance and the client just returns false to indicate disassembly error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101201 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Fix -Asserts warnings.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101191 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13XFAIL this test for powerpc. Devang Patel
This test relies on iSel lowering dbg_declare intrinsic when CodeGen::OptLevel is None. On PPC side, CodeGen::OptLevel stays to default when -O0 is used on the command line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101190 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Unbreak CMake build by improving the EnhancedDisassembly makefile aDouglas Gregor
bit (we're not trying to build a shared library yet) and generating the X86GenEDInfo.inc and ARMGenEDInfo.inc files as necessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101188 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Fast path implicit_def check.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101183 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Add test for post-ra machine licm.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101182 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Handle a v2f64 formal parameter that is split between registers and memoryBob Wilson
such that the entire second half is in memory. Radar 7855014. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101181 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Quick fix for build errors caused by undefinedSean Callanan
NULL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101180 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Fixed a nasty layering violation in the edis sourceSean Callanan
code. It used to #include the enhanced disassembly information for the targets it supported straight out of lib/Target/{X86,ARM,...} but now it uses a new interface provided by MCDisassembler, and (so far) implemented by X86 and ARM. Also removed hacky #define-controlled initialization of targets in edis. If clients only want edis to initialize a limited set of targets, they can set --enable-targets on the configure command line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101179 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Add CMake support for 'edis'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101177 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Changed getSOImmValRotate()'s hunt retry logic to ignore the low order 6 bits,Johnny Chen
instead of 7, because we are only looking for even rotate amount. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101172 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Do not include types without any definition in pubtypes list.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101171 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Avoid variable shadowing.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101170 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Expand postra machine licm's capability a little more. If an instruction's ↵Evan Cheng
register operands are all loop invariants, then it's safe to hoist it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101167 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Teach MachineSinking to handle easy critical edges.Jakob Stoklund Olesen
Sometimes it is desirable to sink instructions along a critical edge: x = ... if (a && b) ... else use(x); The 'a && b' condition creates a critical edge to the else block, but we still want to sink the computation of x into the block. The else block is dominated by the parent block, so we are not pushing instructions into new code paths. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101165 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Fix test on non-x86 hosts.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101163 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Re-apply 101075 and fix it properly. Just reuse the debug info of the branch ↵Evan Cheng
instruction being optimized. There is no need to --I which can deref off start of the BB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101162 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Make the disassembler respect the assembler dialect when printing instructions,Chris Lattner
patch by Marius Wachtler! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101160 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Temporarily revert r101075, it's causing invalid iterator assertionsEric Christopher
in a nightly tester. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101158 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Teach postra machine licm to hoist more obvious invariants, e.g. ↵Evan Cheng
instructions with no source operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101154 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Add a few comments.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101148 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Eliminate MachineBasicBlock::const_livein_iterator and makeDan Gohman
MachineBasicBlock::livein_iterator a const_iterator, because clients shouldn't ever be using the iterator interface to mutate the livein set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Rename MachineFrameInfo variables to MFI, for consistency withDan Gohman
the rest of CodeGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101146 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Move MachineRegisterInfo's isLiveIn and isLiveOut out of line.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101145 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Use MachineBasicBlock::isLiveIn.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101144 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Delete an unused member variable.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101143 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Teach ScalarEvolution to simplify smax and umax when it can proveDan Gohman
that one operand is always greater than another. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101142 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Minor code micro-optimizations.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101141 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Actually... return after the check for invalid input.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101139 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13BumpPtrAllocator::Reset() doesn't need to allocate anything. (Thanks, Jakob)Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101138 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Update unittest for allocator laziness.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101131 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Let BumpPtrAllocator lazily allocate the first slab.Benjamin Kramer
We have some code in llvm and clang where a BumpPtrAllocator is declared in a class but never used in the common case. Stop wasting memory there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101130 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Remove SCCVN from the CMake build system.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101125 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13checkpoint.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101118 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13SCCVN, we hardly knew ye!Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101117 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Fix PR6826: GraphWriter delete the generated file before "dotty" load it,Chris Lattner
patch by 'ether'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101116 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Replace r101053 with a fix for getSOImmValRotate() so that it will correctlyBob Wilson
recognize all the valid rotated immediates. This fixes the disassembler issue and will also help codegen for some unusual constant values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101114 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Teach IndVarSimplify how to eliminate remainder operators where theDan Gohman
numerator is an induction variable. For example, with code like this: for (i=0;i<n;++i) x[i%n] = 0; IndVarSimplify will now recognize that i is always less than n inside the loop, and eliminate the remainder. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101113 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13VMCore: Add Type::getIntN[Ptr]Ty, which are the obvious generic forms ofDaniel Dunbar
Type::getInt{1,8,...}[Ptr]Ty, so code can consistently use the methods on Type without occasionally needed to call IntegerType::get. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101111 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13IRBuilder: Add Create{Shl,LShr,And,Or,Xor} methods from uin64_t and APInt ↵Daniel Dunbar
constants. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101110 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13add llvm codegen support for -ffunction-sections and -fdata-sections,Chris Lattner
patch by Sylvere Teissier! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101106 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Build system fix to make llvm-mc properly buildSean Callanan
after edis. Really, there ought to be some mechanism to ensure that PARALLEL_DIRS get built after DIRS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101095 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Micro-optimize a few hot spots.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101086 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Use .set expression for x86 pic jump table reference to reduce assembly ↵Evan Cheng
relocation. rdar://7738756 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101085 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Add fast paths to ScalarEvolution::getSizeOf and getOffsetOf, asDan Gohman
they're used a lot by getNodeForGEP, which can be called a lot. This speeds up -iv-users by around 15% on several testcases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101083 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Third time's a charm...Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101081 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Genericize the label test.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101079 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Correct test to test what I mean it to test.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101077 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Micro-optimization:Bill Wendling
If we have this situation: jCC L1 jmp L2 L1: ... L2: ... We can get a small performance boost by emitting this instead: jnCC L2 L1: ... L2: ... This testcase shows an example of this: float func(float x, float y) { double product = (double)x * y; if (product == 0.0) return product; return product - 1.0; } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101075 91177308-0d34-0410-b5e6-96231b3b80d8
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