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* Introduce new linkage types linkonce_odr, weak_odr, common_odrDuncan Sands2009-03-071-2/+2
| | | | | | | | | | | | | | | | | | | | | | and extern_weak_odr. These are the same as the non-odr versions, except that they indicate that the global will only be overridden by an *equivalent* global. In C, a function with weak linkage can be overridden by a function which behaves completely differently. This means that IP passes have to skip weak functions, since any deductions made from the function definition might be wrong, since the definition could be replaced by something completely different at link time. This is not allowed in C++, thanks to the ODR (One-Definition-Rule): if a function is replaced by another at link-time, then the new function must be the same as the original function. If a language knows that a function or other global can only be overridden by an equivalent global, it can give it the weak_odr linkage type, and the optimizers will understand that it is alright to make deductions based on the function body. The code generators on the other hand map weak and weak_odr linkage to the same thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66339 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing break statements, fixing PR3503.Chris Lattner2009-02-071-8/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64040 91177308-0d34-0410-b5e6-96231b3b80d8
* As Duncan suggested, add braces for the one-line "else branch".Zhou Sheng2009-01-301-1/+2
| | | | | | | Thanks, Duncan. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63389 91177308-0d34-0410-b5e6-96231b3b80d8
* This is to fix the bug in IntrinsicLowering.cpp,Zhou Sheng2009-01-301-1/+2
| | | | | | | | | the LowerPartSet(). It didn't handle the situation correctly when the low, high argument values are in reverse order (low > high) with 'Val' type i32 (a corner case). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63388 91177308-0d34-0410-b5e6-96231b3b80d8
* reapply Sanjiv's patch to genericize memcpy/memset/memmove to take anChris Lattner2008-11-211-12/+6
| | | | | | | arbitrary integer width for the count. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59823 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r59802. It was breaking the build of llvm-gcc:Bill Wendling2008-11-211-6/+12
| | | | | | | | | | | | | | | | | | | | | | | g++ -m32 -c -g -DIN_GCC -W -Wall -Wwrite-strings -Wmissing-format-attribute -fno-common -mdynamic-no-pic -DHAVE_CONFIG_H -Wno-unused -DTARGET_NAME=\"i386-apple-darwin9.5.0\" -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -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 -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -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 ../../llvm-gcc.src/gcc/llvm-types.cpp -o llvm-types.o ../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemCpy(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)': ../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i32' is not a member of 'llvm::Intrinsic' ../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i64' is not a member of 'llvm::Intrinsic' ../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemMove(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)': ../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i32' is not a member of 'llvm::Intrinsic' ../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i64' is not a member of 'llvm::Intrinsic' ../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemSet(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)': ../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i32' is not a member of 'llvm::Intrinsic' ../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i64' is not a member of 'llvm::Intrinsic' make[3]: *** [llvm-convert.o] Error 1 make[3]: *** Waiting for unfinished jobs.... rm fsf-funding.pod gcov.pod gfdl.pod cpp.pod gpl.pod gcc.pod make[2]: *** [all-stage1-gcc] Error 2 make[1]: *** [stage1-bubble] Error 2 make: *** [all] Error 2 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59809 91177308-0d34-0410-b5e6-96231b3b80d8
* Make mem[cpy,move,set] intrinsics overloaded.Sanjiv Gupta2008-11-211-12/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59802 91177308-0d34-0410-b5e6-96231b3b80d8
* More refactoring. Yawn.Dale Johannesen2008-09-221-126/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56468 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor FP intrinisic setup. Per review feedback.Dale Johannesen2008-09-221-117/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56456 91177308-0d34-0410-b5e6-96231b3b80d8
* Add intrinsics for log, log2, log10, exp, exp2.Dale Johannesen2008-09-041-0/+213
| | | | | | | | No functional change (and no FE change to generate them). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55753 91177308-0d34-0410-b5e6-96231b3b80d8
* API change for {BinaryOperator|CmpInst|CastInst}::create*() --> Create. ↵Gabor Greif2008-05-161-78/+78
| | | | | | Legacy interfaces will be in place for some time. (Merge from use-diet branch.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51200 91177308-0d34-0410-b5e6-96231b3b80d8
* API changes for class Use size reduction, wave 1.Gabor Greif2008-04-061-41/+41
| | | | | | | | | Specifically, introduction of XXX::Create methods for Users that have a potentially variable number of Uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49277 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove attribution from file headers, per discussion on llvmdev.Chris Lattner2007-12-291-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the PointerType api for creating pointer types. The old functionality ↵Christopher Lamb2007-12-171-8/+9
| | | | | | of PointerType::get() has become PointerType::getUnqual(), which returns a pointer in the generic address space. The new prototype of PointerType::get() requires both a type and an address space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45082 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement necessary bits for flt_rounds gcc builtin. Anton Korobeynikov2007-11-151-0/+5
| | | | | | | Codegen bits and llvm-gcc support will follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44182 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach IntrinsicLowering.cpp about the sin, cos, and pow intrinsics.Dan Gohman2007-10-151-0/+45
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43020 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite sqrt and powi to use anyfloat. By popular demand.Dale Johannesen2007-10-021-29/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42537 91177308-0d34-0410-b5e6-96231b3b80d8
* minor long double related changesDale Johannesen2007-09-281-0/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42439 91177308-0d34-0410-b5e6-96231b3b80d8
* Split eh.select / eh.typeid.for intrinsics into i32/i64 versions. This is ↵Anton Korobeynikov2007-09-071-2/+4
| | | | | | | | | needed, because they just "mark" register liveins and we let frontend solve type issue, not lowering code :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41763 91177308-0d34-0410-b5e6-96231b3b80d8
* Add lengthof and endof templates that hide a lot of sizeof computations.Owen Anderson2007-09-071-2/+3
| | | | | | | Patch by Sterling Stein! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41758 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a regression compiling 2005-05-11-Popcount-ffs-fls with the CBE,Chris Lattner2007-08-061-1/+1
| | | | | | | introduced by chandler's patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40864 91177308-0d34-0410-b5e6-96231b3b80d8
* New CallInst interface to address GLIBCXX_DEBUG errors caused byDavid Greene2007-08-011-4/+4
| | | | | | | | | indexing an empty std::vector. Updates to all clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40660 91177308-0d34-0410-b5e6-96231b3b80d8
* It's not necessary to do rounding for alloca operations when the requestedDan Gohman2007-07-181-0/+799
alignment is equal to the stack alignment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
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