Add a new FGETSIGN operation, which defaults to expand on all
targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45320 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 6490a0e..d476ede 100644
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -271,6 +271,10 @@
// FCOPYSIGN(f32, f64) is allowed.
FCOPYSIGN,
+ // INT = FGETSIGN(FP) - Return the sign bit of the specified floating point
+ // value as an integer 0/1 value.
+ FGETSIGN,
+
/// BUILD_VECTOR(ELT0, ELT1, ELT2, ELT3,...) - Return a vector
/// with the specified, possibly variable, elements. The number of elements
/// is required to be a power of two.
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 2be31c8..eed2d13 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -155,13 +155,17 @@
memset(&IndexedModeActions, 0, sizeof(IndexedModeActions));
memset(&ConvertActions, 0, sizeof(ConvertActions));
- // Set all indexed load / store to expand.
+ // Set default actions for various operations.
for (unsigned VT = 0; VT != (unsigned)MVT::LAST_VALUETYPE; ++VT) {
+ // Default all indexed load / store to expand.
for (unsigned IM = (unsigned)ISD::PRE_INC;
IM != (unsigned)ISD::LAST_INDEXED_MODE; ++IM) {
setIndexedLoadAction(IM, (MVT::ValueType)VT, Expand);
setIndexedStoreAction(IM, (MVT::ValueType)VT, Expand);
}
+
+ // These operations default to expand.
+ setOperationAction(ISD::FGETSIGN, (MVT::ValueType)VT, Expand);
}
IsLittleEndian = TD->isLittleEndian();