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eliminating an and for Nate's testcase: int %bar(int %a, int %b) { entry: %tmp.1 = setne int %a, 0 %tmp.2 = setne int %b, 0 %tmp.3 = or bool %tmp.1, %tmp.2 %retval = cast bool %tmp.3 to int ret int %retval } generating: _bar: addic r2, r3, -1 subfe r2, r2, r3 addic r3, r4, -1 subfe r3, r3, r4 or r3, r2, r3 blr instead of: _bar: addic r2, r3, -1 subfe r2, r2, r3 addic r3, r4, -1 subfe r3, r3, r4 or r2, r2, r3 rlwinm r3, r2, 0, 31, 31 blr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21315 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
LegalizeDAG.cpp | ||
Makefile | ||
SelectionDAG.cpp | ||
SelectionDAGISel.cpp | ||
SelectionDAGPrinter.cpp | ||
TargetLowering.cpp |