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d25313
2019 Oct 04
2
[cfe-dev] CFG simplification question, and preservation of branching in the original code
On 10/4/19 5:46 AM, Joan Lluch via llvm-dev wrote:
Hi all,
As a continuation of this thread, I was about to fill a bug report requesting the modification of DAGTypeLegalizer::ExpandIntRes_SIGN_EXTEND, in order to avoid the creation of Shifts for targets with no native support. For example by generating a ‘select' equivalent to a<0 ? -1 : 0 instead of an arithmetic shift right. For targets