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85b0edec46
It was transforming (x&y)==y to (x&y)!=0 in the case where y is variable and known to have at most one bit set (e.g. z&1). This is not correct; the expressions are not equivalent when y==0. I believe this patch salvages what can be salvaged, including all the cases in bt.ll. Dan, please review. Fixes gcc.c-torture/execute/20040709-[12].c git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64314 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
CallingConvLower.cpp | ||
CMakeLists.txt | ||
DAGCombiner.cpp | ||
FastISel.cpp | ||
LegalizeDAG.cpp | ||
LegalizeFloatTypes.cpp | ||
LegalizeIntegerTypes.cpp | ||
LegalizeTypes.cpp | ||
LegalizeTypes.h | ||
LegalizeTypesGeneric.cpp | ||
LegalizeVectorTypes.cpp | ||
Makefile | ||
ScheduleDAGFast.cpp | ||
ScheduleDAGList.cpp | ||
ScheduleDAGRRList.cpp | ||
ScheduleDAGSDNodes.cpp | ||
ScheduleDAGSDNodes.h | ||
ScheduleDAGSDNodesEmit.cpp | ||
SelectionDAG.cpp | ||
SelectionDAGBuild.cpp | ||
SelectionDAGBuild.h | ||
SelectionDAGISel.cpp | ||
SelectionDAGPrinter.cpp | ||
TargetLowering.cpp |