[PATCH] D21806: [SPARC] Implement shouldExtI32* hooks.

[Marcin Kościelnicki via llvm-commits]

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On Sparc V9, i32 parameters corresponding to C-level int or unsigned int
need signext or zeroext attribute, respectively.  Fill the TTI hooks so
that LLVM passes inserting library calls with such parameters know to use
the attribute.

Repository:
  rL LLVM

http://reviews.llvm.org/D21806

Files:
  lib/Target/Sparc/LLVMBuild.txt
  lib/Target/Sparc/SparcTargetMachine.cpp
  lib/Target/Sparc/SparcTargetMachine.h
  lib/Target/Sparc/SparcTargetTransformInfo.h
  test/Instrumentation/InstrProfiling/icall.ll

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