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Intrinsic::getDeclaration and use the definition in
include/llvm/Intrinsics.td
This also makes the attribute on the intrinsic to be more
consistent with the back-end (code-gen), which automatically assumes
it's ReadNone (because this is what Intrinsics.td) defines.
Using ReadNone rather than ReadOnly may be not strictly correct because
the intrinsic depends on the value of the TP. However, this attribute is
not really used anywhere in IR optimizations, and in the backend the
intrinsic is ReadNone anyhow (the IR setting gets overridden).
If we run into any problems with this in the future, we may consider
handling the lowering of this intrinsic in
TargetLowering::LowerINTRINSIC_W_CHAIN rather than in
TargetLowering::LowerINTRINSIC_WO_CHAIN.
BUG=None
R=mseaborn@chromium.org
Review URL: https://codereview.chromium.org/14643019
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ExpandTls's use of replaceUsesOfWith() didn't work for PHI nodes
containing the same Constant twice (which needs to work for same or
differing incoming BasicBlocks). The same applies to
ExpandTlsConstantExpr.
I noticed this while implementing ExpandConstantExpr.
Fix this and factor out some common code that all three passes can
use.
BUG=https://code.google.com/p/nativeclient/issues/detail?id=2837
TEST=test/Transforms/NaCl/*.ll
Review URL: https://codereview.chromium.org/13128002
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Conflicts:
include/llvm/CodeGen/IntrinsicLowering.h
include/llvm/MC/MCAssembler.h
include/llvm/MC/MCObjectStreamer.h
lib/LLVMBuild.txt
lib/Linker/LinkArchives.cpp
lib/MC/MCAssembler.cpp
lib/MC/MCELFStreamer.cpp
lib/MC/MCParser/AsmParser.cpp
lib/MC/MCPureStreamer.cpp
lib/MC/WinCOFFStreamer.cpp
lib/Makefile
lib/Support/Unix/Memory.inc
lib/Support/Unix/Process.inc
lib/Support/Unix/Program.inc
lib/Target/ARM/ARM.h
lib/Target/ARM/ARMFastISel.cpp
lib/Target/ARM/ARMISelLowering.cpp
lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
lib/Target/Mips/MipsInstrFPU.td
lib/Target/X86/CMakeLists.txt
lib/Target/X86/X86ISelLowering.cpp
lib/Target/X86/X86TargetMachine.cpp
lib/Target/X86/X86TargetObjectFile.cpp
lib/Transforms/InstCombine/InstCombineCalls.cpp
test/CodeGen/X86/fast-isel-x86-64.ll
tools/llc/llc.cpp
tools/lto/LTOModule.cpp
utils/TableGen/EDEmitter.cpp
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deplib features commented out due to removal upstream;
will add back as a localmod
Conflicts:
include/llvm/ADT/Triple.h
include/llvm/MC/MCAssembler.h
include/llvm/Target/TargetFrameLowering.h
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
lib/CodeGen/AsmPrinter/DwarfDebug.h
lib/CodeGen/BranchFolding.cpp
lib/LLVMBuild.txt
lib/Linker/LinkArchives.cpp
lib/MC/MCAssembler.cpp
lib/MC/MCELFStreamer.cpp
lib/Makefile
lib/Target/ARM/ARMExpandPseudoInsts.cpp
lib/Target/ARM/ARMFrameLowering.cpp
lib/Target/ARM/ARMISelLowering.cpp
lib/Target/ARM/ARMSubtarget.h
lib/Target/ARM/ARMTargetObjectFile.cpp
lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
lib/Target/Mips/MipsInstrFPU.td
lib/Target/Mips/MipsInstrInfo.td
lib/Target/X86/X86CodeEmitter.cpp
lib/Target/X86/X86Subtarget.h
lib/VMCore/Module.cpp
test/MC/MachO/ARM/nop-armv4-padding.s
tools/Makefile
tools/llc/llc.cpp
tools/lto/LTOModule.cpp
tools/lto/lto.cpp
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This replaces each reference to a TLS variable "foo" with the LLVM IR
equivalent of the expression:
((struct tls_template *) __nacl_read_tp())->foo
This pass fills out the global variables __tls_template_start,
__tls_template_end etc. which are used by src/untrusted/nacl/tls.c.
These are the symbols that are otherwise defined by a binutils linker
script.
In order to handle the case of TLS variables that occur inside
ConstantExprs, we have a helper pass, ExpandTlsConstantExpr.
BUG=http://code.google.com/p/nativeclient/issues/detail?id=2837
TEST=test/Transforms/NaCl/expand-tls*.ll
Review URL: https://chromiumcodereview.appspot.com/10896042
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