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* [PowerPC] Eliminate integer compare instructions - vol. 1Nemanja Ivanovic2017-05-111-0/+137
This patch is the first in a series of patches to provide code gen for doing compares in GPRs when the compare result is required in a GPR. It adds the infrastructure to select GPR sequences for i1->i32 and i1->i64 extensions. This first patch handles equality comparison on i32 operands with the result sign or zero extended. Differential Revision: https://reviews.llvm.org/D31847 llvm-svn: 302810
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