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path: root/llvm/test/CodeGen/X86/cmov-double.ll
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* [x86] auto-generate complete checks for test; NFCSanjay Patel2019-03-221-16/+32
| | | | llvm-svn: 356760
* DAGCombiner: Canonicalize select(and/or,x,y) depending on target.Matthias Braun2015-03-061-0/+52
This is based on the following equivalences: select(C0 & C1, X, Y) <=> select(C0, select(C1, X, Y), Y) select(C0 | C1, X, Y) <=> select(C0, X, select(C1, X, Y)) Many target cannot perform and/or on the CPU flags and therefore the right side should be choosen to avoid materializign the i1 flags in an integer register. If the target can perform this operation efficiently we normalize to the left form. Differential Revision: http://reviews.llvm.org/D7622 llvm-svn: 231507
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