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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp88
1 files changed, 60 insertions, 28 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 0efcaaa19cb..f40565c5fd1 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1103,6 +1103,16 @@ void SelectionDAGLegalize::LegalizeOp(SDNode *Node) {
return;
}
break;
+ case ISD::STRICT_LRINT:
+ case ISD::STRICT_LLRINT:
+ case ISD::STRICT_LROUND:
+ case ISD::STRICT_LLROUND:
+ // These pseudo-ops are the same as the other STRICT_ ops except
+ // they are registered with setOperationAction() using the input type
+ // instead of the output type.
+ Action = TLI.getStrictFPOperationAction(Node->getOpcode(),
+ Node->getOperand(1).getValueType());
+ break;
case ISD::SADDSAT:
case ISD::UADDSAT:
case ISD::SSUBSAT:
@@ -2141,6 +2151,9 @@ SDValue SelectionDAGLegalize::ExpandArgFPLibCall(SDNode* Node,
RTLIB::Libcall Call_F80,
RTLIB::Libcall Call_F128,
RTLIB::Libcall Call_PPCF128) {
+ if (Node->isStrictFPOpcode())
+ Node = DAG.mutateStrictFPToFP(Node);
+
RTLIB::Libcall LC;
switch (Node->getOperand(0).getValueType().getSimpleVT().SimpleTy) {
default: llvm_unreachable("Unexpected request for libcall!");
@@ -2895,30 +2908,6 @@ bool SelectionDAGLegalize::ExpandNode(SDNode *Node) {
return true;
}
break;
- case ISD::LROUND:
- Results.push_back(ExpandArgFPLibCall(Node, RTLIB::LROUND_F32,
- RTLIB::LROUND_F64, RTLIB::LROUND_F80,
- RTLIB::LROUND_F128,
- RTLIB::LROUND_PPCF128));
- break;
- case ISD::LLROUND:
- Results.push_back(ExpandArgFPLibCall(Node, RTLIB::LLROUND_F32,
- RTLIB::LLROUND_F64, RTLIB::LLROUND_F80,
- RTLIB::LLROUND_F128,
- RTLIB::LLROUND_PPCF128));
- break;
- case ISD::LRINT:
- Results.push_back(ExpandArgFPLibCall(Node, RTLIB::LRINT_F32,
- RTLIB::LRINT_F64, RTLIB::LRINT_F80,
- RTLIB::LRINT_F128,
- RTLIB::LRINT_PPCF128));
- break;
- case ISD::LLRINT:
- Results.push_back(ExpandArgFPLibCall(Node, RTLIB::LLRINT_F32,
- RTLIB::LLRINT_F64, RTLIB::LLRINT_F80,
- RTLIB::LLRINT_F128,
- RTLIB::LLRINT_PPCF128));
- break;
case ISD::VAARG:
Results.push_back(DAG.expandVAArg(Node));
Results.push_back(Results[0].getValue(1));
@@ -3712,10 +3701,25 @@ bool SelectionDAGLegalize::ExpandNode(SDNode *Node) {
// the "strict" properties. For now, we just fall back to the non-strict
// version if that is legal on the target. The actual mutation of the
// operation will happen in SelectionDAGISel::DoInstructionSelection.
- if (TLI.getStrictFPOperationAction(Node->getOpcode(),
- Node->getValueType(0))
- == TargetLowering::Legal)
- return true;
+ switch (Node->getOpcode()) {
+ default:
+ if (TLI.getStrictFPOperationAction(Node->getOpcode(),
+ Node->getValueType(0))
+ == TargetLowering::Legal)
+ return true;
+ break;
+ case ISD::STRICT_LRINT:
+ case ISD::STRICT_LLRINT:
+ case ISD::STRICT_LROUND:
+ case ISD::STRICT_LLROUND:
+ // These are registered by the operand type instead of the value
+ // type. Reflect that here.
+ if (TLI.getStrictFPOperationAction(Node->getOpcode(),
+ Node->getOperand(1).getValueType())
+ == TargetLowering::Legal)
+ return true;
+ break;
+ }
}
// Replace the original node with the legalized result.
@@ -3959,6 +3963,34 @@ void SelectionDAGLegalize::ConvertNodeToLibcall(SDNode *Node) {
RTLIB::POW_F80, RTLIB::POW_F128,
RTLIB::POW_PPCF128));
break;
+ case ISD::LROUND:
+ case ISD::STRICT_LROUND:
+ Results.push_back(ExpandArgFPLibCall(Node, RTLIB::LROUND_F32,
+ RTLIB::LROUND_F64, RTLIB::LROUND_F80,
+ RTLIB::LROUND_F128,
+ RTLIB::LROUND_PPCF128));
+ break;
+ case ISD::LLROUND:
+ case ISD::STRICT_LLROUND:
+ Results.push_back(ExpandArgFPLibCall(Node, RTLIB::LLROUND_F32,
+ RTLIB::LLROUND_F64, RTLIB::LLROUND_F80,
+ RTLIB::LLROUND_F128,
+ RTLIB::LLROUND_PPCF128));
+ break;
+ case ISD::LRINT:
+ case ISD::STRICT_LRINT:
+ Results.push_back(ExpandArgFPLibCall(Node, RTLIB::LRINT_F32,
+ RTLIB::LRINT_F64, RTLIB::LRINT_F80,
+ RTLIB::LRINT_F128,
+ RTLIB::LRINT_PPCF128));
+ break;
+ case ISD::LLRINT:
+ case ISD::STRICT_LLRINT:
+ Results.push_back(ExpandArgFPLibCall(Node, RTLIB::LLRINT_F32,
+ RTLIB::LLRINT_F64, RTLIB::LLRINT_F80,
+ RTLIB::LLRINT_F128,
+ RTLIB::LLRINT_PPCF128));
+ break;
case ISD::FDIV:
Results.push_back(ExpandFPLibCall(Node, RTLIB::DIV_F32, RTLIB::DIV_F64,
RTLIB::DIV_F80, RTLIB::DIV_F128,
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