Files
clang-p2996/llvm/test/CodeGen/ARM/machine-cse-cmp.ll
Craig Topper 50b1d4303d [DAGCombiner] Teach DAG combiner that A-(B-C) can be folded to A+(C-B)
This can be useful since addition is commutable, and subtraction is not.

This matches a transform that is also done by InstCombine.

llvm-svn: 338181
2018-07-28 00:27:25 +00:00

2.1 KiB