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llvm-svn: 283004
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Split AMDGPUSubtarget into amdgcn/r600 specific subclasses.
This removes most of the static_casting of the basic codegen
classes everywhere, and tries to restrict the features
visible on the wrong target.
llvm-svn: 273652
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This saves an additional run of the DominatorTree and
MachineLoopInfo
llvm-svn: 271444
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- Insert one nop for each high level statement instead of two
- Do not insert nop before prologue
Differential Revision: http://reviews.llvm.org/D20215
llvm-svn: 269452
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Differential Revision: http://reviews.llvm.org/D20117
llvm-svn: 269098
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