#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/CallingConv.h"
#include "llvm/CodeGen/Analysis.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
-#include "llvm/Constants.h"
-#include "llvm/DataLayout.h"
#include "llvm/DebugInfo.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/LLVMContext.h"
+#include "llvm/IR/CallingConv.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/LLVMContext.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
SDNode *Node, bool isSigned);
SDValue ExpandFPLibCall(SDNode *Node, RTLIB::Libcall Call_F32,
RTLIB::Libcall Call_F64, RTLIB::Libcall Call_F80,
- RTLIB::Libcall Call_PPCF128);
+ RTLIB::Libcall Call_F128, RTLIB::Libcall Call_PPCF128);
SDValue ExpandIntLibCall(SDNode *Node, bool isSigned,
RTLIB::Libcall Call_I8,
RTLIB::Libcall Call_I16,
return;
}
case TargetLowering::Promote: {
- EVT NVT = TLI.getTypeToPromoteTo(ISD::STORE, VT);
+ MVT NVT = TLI.getTypeToPromoteTo(ISD::STORE, VT);
assert(NVT.getSizeInBits() == VT.getSizeInBits() &&
"Can only promote stores to same size type");
Value = DAG.getNode(ISD::BITCAST, dl, NVT, Value);
return ExpandVectorBuildThroughStack(Node);
}
+static bool isInTailCallPosition(SelectionDAG &DAG, SDNode *Node,
+ SDValue &Chain, const TargetLowering &TLI) {
+ const Function *F = DAG.getMachineFunction().getFunction();
+
+ // Conservatively require the attributes of the call to match those of
+ // the return. Ignore noalias because it doesn't affect the call sequence.
+ Attribute CallerRetAttr = F->getAttributes().getRetAttributes();
+ if (AttrBuilder(CallerRetAttr)
+ .removeAttribute(Attribute::NoAlias).hasAttributes())
+ return false;
+
+ // It's not safe to eliminate the sign / zero extension of the return value.
+ if (CallerRetAttr.hasAttribute(Attribute::ZExt) ||
+ CallerRetAttr.hasAttribute(Attribute::SExt))
+ return false;
+
+ // Check if the only use is a function return node.
+ return TLI.isUsedByReturnOnly(Node, Chain);
+}
+
// ExpandLibCall - Expand a node into a call to a libcall. If the result value
// does not fit into a register, return the lo part and set the hi part to the
// by-reg argument. If it does fit into a single register, return the result
RTLIB::Libcall Call_F32,
RTLIB::Libcall Call_F64,
RTLIB::Libcall Call_F80,
+ RTLIB::Libcall Call_F128,
RTLIB::Libcall Call_PPCF128) {
RTLIB::Libcall LC;
switch (Node->getValueType(0).getSimpleVT().SimpleTy) {
case MVT::f32: LC = Call_F32; break;
case MVT::f64: LC = Call_F64; break;
case MVT::f80: LC = Call_F80; break;
+ case MVT::f128: LC = Call_F128; break;
case MVT::ppcf128: LC = Call_PPCF128; break;
}
return ExpandLibCall(LC, Node, false);
}
case ISD::FSQRT:
Results.push_back(ExpandFPLibCall(Node, RTLIB::SQRT_F32, RTLIB::SQRT_F64,
- RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128));
+ RTLIB::SQRT_F80, RTLIB::SQRT_F128,
+ RTLIB::SQRT_PPCF128));
break;
case ISD::FSIN:
Results.push_back(ExpandFPLibCall(Node, RTLIB::SIN_F32, RTLIB::SIN_F64,
- RTLIB::SIN_F80, RTLIB::SIN_PPCF128));
+ RTLIB::SIN_F80, RTLIB::SIN_F128,
+ RTLIB::SIN_PPCF128));
break;
case ISD::FCOS:
Results.push_back(ExpandFPLibCall(Node, RTLIB::COS_F32, RTLIB::COS_F64,
- RTLIB::COS_F80, RTLIB::COS_PPCF128));
+ RTLIB::COS_F80, RTLIB::COS_F128,
+ RTLIB::COS_PPCF128));
break;
case ISD::FLOG:
Results.push_back(ExpandFPLibCall(Node, RTLIB::LOG_F32, RTLIB::LOG_F64,
- RTLIB::LOG_F80, RTLIB::LOG_PPCF128));
+ RTLIB::LOG_F80, RTLIB::LOG_F128,
+ RTLIB::LOG_PPCF128));
break;
case ISD::FLOG2:
Results.push_back(ExpandFPLibCall(Node, RTLIB::LOG2_F32, RTLIB::LOG2_F64,
- RTLIB::LOG2_F80, RTLIB::LOG2_PPCF128));
+ RTLIB::LOG2_F80, RTLIB::LOG2_F128,
+ RTLIB::LOG2_PPCF128));
break;
case ISD::FLOG10:
Results.push_back(ExpandFPLibCall(Node, RTLIB::LOG10_F32, RTLIB::LOG10_F64,
- RTLIB::LOG10_F80, RTLIB::LOG10_PPCF128));
+ RTLIB::LOG10_F80, RTLIB::LOG10_F128,
+ RTLIB::LOG10_PPCF128));
break;
case ISD::FEXP:
Results.push_back(ExpandFPLibCall(Node, RTLIB::EXP_F32, RTLIB::EXP_F64,
- RTLIB::EXP_F80, RTLIB::EXP_PPCF128));
+ RTLIB::EXP_F80, RTLIB::EXP_F128,
+ RTLIB::EXP_PPCF128));
break;
case ISD::FEXP2:
Results.push_back(ExpandFPLibCall(Node, RTLIB::EXP2_F32, RTLIB::EXP2_F64,
- RTLIB::EXP2_F80, RTLIB::EXP2_PPCF128));
+ RTLIB::EXP2_F80, RTLIB::EXP2_F128,
+ RTLIB::EXP2_PPCF128));
break;
case ISD::FTRUNC:
Results.push_back(ExpandFPLibCall(Node, RTLIB::TRUNC_F32, RTLIB::TRUNC_F64,
- RTLIB::TRUNC_F80, RTLIB::TRUNC_PPCF128));
+ RTLIB::TRUNC_F80, RTLIB::TRUNC_F128,
+ RTLIB::TRUNC_PPCF128));
break;
case ISD::FFLOOR:
Results.push_back(ExpandFPLibCall(Node, RTLIB::FLOOR_F32, RTLIB::FLOOR_F64,
- RTLIB::FLOOR_F80, RTLIB::FLOOR_PPCF128));
+ RTLIB::FLOOR_F80, RTLIB::FLOOR_F128,
+ RTLIB::FLOOR_PPCF128));
break;
case ISD::FCEIL:
Results.push_back(ExpandFPLibCall(Node, RTLIB::CEIL_F32, RTLIB::CEIL_F64,
- RTLIB::CEIL_F80, RTLIB::CEIL_PPCF128));
+ RTLIB::CEIL_F80, RTLIB::CEIL_F128,
+ RTLIB::CEIL_PPCF128));
break;
case ISD::FRINT:
Results.push_back(ExpandFPLibCall(Node, RTLIB::RINT_F32, RTLIB::RINT_F64,
- RTLIB::RINT_F80, RTLIB::RINT_PPCF128));
+ RTLIB::RINT_F80, RTLIB::RINT_F128,
+ RTLIB::RINT_PPCF128));
break;
case ISD::FNEARBYINT:
Results.push_back(ExpandFPLibCall(Node, RTLIB::NEARBYINT_F32,
RTLIB::NEARBYINT_F64,
RTLIB::NEARBYINT_F80,
+ RTLIB::NEARBYINT_F128,
RTLIB::NEARBYINT_PPCF128));
break;
case ISD::FPOWI:
Results.push_back(ExpandFPLibCall(Node, RTLIB::POWI_F32, RTLIB::POWI_F64,
- RTLIB::POWI_F80, RTLIB::POWI_PPCF128));
+ RTLIB::POWI_F80, RTLIB::POWI_F128,
+ RTLIB::POWI_PPCF128));
break;
case ISD::FPOW:
Results.push_back(ExpandFPLibCall(Node, RTLIB::POW_F32, RTLIB::POW_F64,
- RTLIB::POW_F80, RTLIB::POW_PPCF128));
+ RTLIB::POW_F80, RTLIB::POW_F128,
+ RTLIB::POW_PPCF128));
break;
case ISD::FDIV:
Results.push_back(ExpandFPLibCall(Node, RTLIB::DIV_F32, RTLIB::DIV_F64,
- RTLIB::DIV_F80, RTLIB::DIV_PPCF128));
+ RTLIB::DIV_F80, RTLIB::DIV_F128,
+ RTLIB::DIV_PPCF128));
break;
case ISD::FREM:
Results.push_back(ExpandFPLibCall(Node, RTLIB::REM_F32, RTLIB::REM_F64,
- RTLIB::REM_F80, RTLIB::REM_PPCF128));
+ RTLIB::REM_F80, RTLIB::REM_F128,
+ RTLIB::REM_PPCF128));
break;
case ISD::FMA:
Results.push_back(ExpandFPLibCall(Node, RTLIB::FMA_F32, RTLIB::FMA_F64,
- RTLIB::FMA_F80, RTLIB::FMA_PPCF128));
+ RTLIB::FMA_F80, RTLIB::FMA_F128,
+ RTLIB::FMA_PPCF128));
break;
case ISD::FP16_TO_FP32:
Results.push_back(ExpandLibCall(RTLIB::FPEXT_F16_F32, Node, false));
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