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2011-02-22available_externally (hidden or not) GVs are always accessed via stubs. ↵Evan Cheng
rdar://9027648. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126191 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22VirtRegRewriter assertion fix.Andrew Trick
Apparently it's ok for multiple operands to "kill" the same register. Fixes PR9237. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126190 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Roll out r126169 and r126170 in an attempt to fix the selfhost bot.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126185 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Added a testcase for the enhanced disassembly bugSean Callanan
fixed in r126147, where a field in the X86 decode structure was being read as bits, not bytes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126182 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Fixed llvm-mc in edis mode to use the result ofSean Callanan
operand.evaluate as an error code, not as the contents of the operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126181 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Fixed lit.cfg to no longer recognize the oldSean Callanan
edis name as needing expansion. This tool was been replaced by llvm-mc long ago. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126180 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Only use blx for external function calls on thumb, these could be fixedEric Christopher
up by the dynamic linker, but it's better to use the correct instruction to begin with. Fixes rdar://9011034 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126176 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Eliminate valgrind warnings from Python on the 32-bit as well.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126171 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Merge information about the number of zero, one, and sign bits of live-out ↵Cameron Zwarich
registers at phis. This enables us to eliminate a lot of pointless zexts during the DAGCombine phase. This fixes <rdar://problem/8760114>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126170 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Have isel visit blocks in reverse postorder rather than an undefined order. ThisCameron Zwarich
allows for the information propagated across basic blocks to be merged at phis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126169 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Recognize loopz and loopnz as aliases for loope and loopne.Joerg Sonnenberger
From Dimitry Andric. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126168 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Implement xgetbv and xsetbv.Rafael Espindola
Patch by Jai Menon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126165 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Revert r125960, it's breaking darwin10 bootstrap.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126163 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Skipping over debugvalue instructions to determine whether the split spot is ↵Evan Cheng
in a IT block. rdar://9030770 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126159 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Add more debugging output.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126158 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Handle FK_PCRel_1 and add a test case for this and FK_PCRel_4.Joerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126157 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Revert r124611 - "Keep track of incoming argument's location while emitting ↵Devang Patel
LiveIns." In other words, do not keep track of argument's location. The debugger (gdb) is not prepared to see line table entries for arguments. For the debugger, "second" line table entry marks beginning of function body. This requires some coordination with debugger to get this working. - The debugger needs to be aware of prolog_end attribute attached with line table entries. - The compiler needs to accurately mark prolog_end in line table entries (at -O0 and at -O1+) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126155 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Add SplitKit::isOriginalEndpoint and use it to force live range splitting to ↵Jakob Stoklund Olesen
terminate. An original endpoint is an instruction that killed or defined the original live range before any live ranges were split. When splitting global live ranges, avoid creating local live ranges without any original endpoints. We may still create global live ranges without original endpoints, but such a range won't be split again, and live range splitting still terminates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126151 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Fixed a bug in the X86 disassembler where a member of theSean Callanan
X86 instruction decode structure was being interpreted as being in units of bits, although it is actually stored in units of bytes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126147 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21End the line if we return early. Radar 9012638.Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126141 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Add a convenience tool for doing comparison builds of the LLVMDavid Greene
ecosystem. This is a handy utility for checking changes before committing them to the repository. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126136 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Better OpenBSD support, patch by Amit Kulkarni. I have no way to testChris Lattner
that this doesn't break gold, but it seems reasonable to me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126135 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Add XCore intrinsics for various instructions on ports.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126132 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Test case for r126127. Radar 9012638.Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126131 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21The stack should be 16 byte aligned on 32 bit solaris. Patch by Yuri.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126130 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21If the phi node was used by an unreachable instruction that ends up usingDuncan Sands
itself without going via a phi node then we could return false here in spite of making a change. Also, tweak the comment because this method can (and always could) return true without deleting the original phi node. For example, if the phi node was used by a read-only invoke instruction which is used by another phi node phi2 which is only used by and only uses the invoke, then phi2 would be deleted but not the invoke instruction and not the original phi node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126129 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Fix to correctly support attribute((section("__DATA, __common"))).Stuart Hastings
Radar 9012638. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126127 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21a serious "compare CSE" issue that is nontrivial to get right,Chris Lattner
but which is responsible for us doing really bad things to 256.bzip2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126126 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21fix a crasher in disabled code (on variable stride loops)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126125 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Simplify RecursivelyDeleteDeadPHINode. The only functionality changeDuncan Sands
should be that if the phi is used by a side-effect free instruction with no uses then the phi and the instruction now get zapped (checked by the unittest). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126124 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Target/X86/X86FastISel: [PR6275] Fix Win32's dllimport function with fastisel.NAKAMURA Takumi
"dllimport" function must not be GlobalVariable, but Function. It is enough to check with GlobalValue. test/CodeGen/X86/dll-linkage.ll is updated to check llc -O0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126110 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Generate correct Sparc32 ABI compliant code for functions that return a struct.Venkatraman Govindaraju
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126108 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21CMake: Define LLVM_INCLUDE_TESTS in cmake/modules/HandleLLVMOptions.cmake. ↵NAKAMURA Takumi
It affects testing stuff on clang-standalone build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126107 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21CMake: Fix breakage on clang standalone build.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126106 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21add a missed loop deletion case.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126103 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Add some (disabled code) to print out negative strides.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126102 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21add an idiom that loop idiom could theoretically catch.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126101 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21A lo/hi mul has higher latency than an imul r,ri, e.g. 5 cycles compared to 3Cameron Zwarich
on Core 2 and Nehalem, so the code we generate is better than GCC's here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126100 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21Use a vector of pairs to implement the section stack, not twoJoerg Sonnenberger
independent vectors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126099 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-21The signed version of our "magic number" computation for the integer ↵Cameron Zwarich
approximation of a constant had a minor typo introduced when copying it from the book, which caused it to favor negative approximations over positive approximations in many cases. Positive approximations require fewer operations beyond the multiplication. In the case of division by 3, we still generate code that is a single instruction larger than GCC's code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126097 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20Put targets on folders, if the IDE supports the feature.Oscar Fuentes
Requires CMake 2.8.3 or newer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126092 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20Add some limited support for labels in org directives. Hopefully enough to fixRafael Espindola
PR9245. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126091 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20Dispose modules early and only create codegen when the plugin is beingRafael Espindola
used by the linker and not by nm or ar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126089 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20Make RecursivelyDeleteDeadPHINode delete a phi node that has no users and add aNick Lewycky
test for that. With this change, test/CodeGen/X86/codegen-dce.ll no longer finds any instructions to DCE, so delete the test. Also renamed J and JP to I and IP in RecursivelyDeleteDeadPHINode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126088 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20Fix some memory leaks and avoid looking in the hash tables twice.Rafael Espindola
libxul links in 7m0.403s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126085 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20Remove the link to Projects.html. It is useless for people working onOscar Fuentes
Visual Studio. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126083 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20Move "A | ~(A & ?) -> -1" from InstCombine to InstructionSimplify.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126082 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20InstCombine: Add a bunch of combines of the form x | (y ^ z).Benjamin Kramer
We usually catch this kind of optimization through InstSimplify's distributive magic, but or doesn't distribute over xor in general. "A | ~(A | B) -> A | ~B" hits 24 times on gcc.c. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126081 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20Fix 9267; Add vector zext support.Nadav Rotem
The DAGCombiner folds the zext into complex load instructions. This patch prevents this optimization on vectors since none of the supported targets knows how to perform load+vector_zext in one instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126080 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20Teach RecursivelyDeleteDeadPHINodes to handle multiple self-references. PatchNick Lewycky
by Andrew Clinton! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126077 91177308-0d34-0410-b5e6-96231b3b80d8
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