[llvm] r362941 - [ExecutionEngine] Add UnaryOperator visitor to the interpreter
Cameron McInally via llvm-commits
llvm-commits at lists.llvm.org
Mon Jun 10 07:38:49 PDT 2019
Author: mcinally
Date: Mon Jun 10 07:38:48 2019
New Revision: 362941
URL: http://llvm.org/viewvc/llvm-project?rev=362941&view=rev
Log:
[ExecutionEngine] Add UnaryOperator visitor to the interpreter
This is to support the unary FNeg instruction.
Differential Revision: https://reviews.llvm.org/D62881
Modified:
llvm/trunk/lib/ExecutionEngine/Interpreter/Execution.cpp
llvm/trunk/lib/ExecutionEngine/Interpreter/Interpreter.h
llvm/trunk/test/ExecutionEngine/test-interp-vec-arithm_float.ll
Modified: llvm/trunk/lib/ExecutionEngine/Interpreter/Execution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/Interpreter/Execution.cpp?rev=362941&r1=362940&r2=362941&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/Interpreter/Execution.cpp (original)
+++ llvm/trunk/lib/ExecutionEngine/Interpreter/Execution.cpp Mon Jun 10 07:38:48 2019
@@ -43,6 +43,58 @@ static void SetValue(Value *V, GenericVa
}
//===----------------------------------------------------------------------===//
+// Unary Instruction Implementations
+//===----------------------------------------------------------------------===//
+
+static void executeFNegInst(GenericValue &Dest, GenericValue Src, Type *Ty) {
+ switch (Ty->getTypeID()) {
+ case Type::FloatTyID:
+ Dest.FloatVal = -Src.FloatVal;
+ case Type::DoubleTyID:
+ Dest.DoubleVal = -Src.DoubleVal;
+ default:
+ llvm_unreachable("Unhandled type for FNeg instruction");
+ }
+}
+
+void Interpreter::visitUnaryOperator(UnaryOperator &I) {
+ ExecutionContext &SF = ECStack.back();
+ Type *Ty = I.getOperand(0)->getType();
+ GenericValue Src = getOperandValue(I.getOperand(0), SF);
+ GenericValue R; // Result
+
+ // First process vector operation
+ if (Ty->isVectorTy()) {
+ R.AggregateVal.resize(Src.AggregateVal.size());
+
+ switch(I.getOpcode()) {
+ default:
+ llvm_unreachable("Don't know how to handle this unary operator");
+ break;
+ case Instruction::FNeg:
+ if (cast<VectorType>(Ty)->getElementType()->isFloatTy()) {
+ for (unsigned i = 0; i < R.AggregateVal.size(); ++i)
+ R.AggregateVal[i].FloatVal = -Src.AggregateVal[i].FloatVal;
+ } else if (cast<VectorType>(Ty)->getElementType()->isDoubleTy()) {
+ for (unsigned i = 0; i < R.AggregateVal.size(); ++i)
+ R.AggregateVal[i].DoubleVal = -Src.AggregateVal[i].DoubleVal;
+ } else {
+ llvm_unreachable("Unhandled type for FNeg instruction");
+ }
+ break;
+ }
+ } else {
+ switch (I.getOpcode()) {
+ default:
+ llvm_unreachable("Don't know how to handle this unary operator");
+ break;
+ case Instruction::FNeg: executeFNegInst(R, Src, Ty); break;
+ }
+ }
+ SetValue(&I, R, SF);
+}
+
+//===----------------------------------------------------------------------===//
// Binary Instruction Implementations
//===----------------------------------------------------------------------===//
Modified: llvm/trunk/lib/ExecutionEngine/Interpreter/Interpreter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/Interpreter/Interpreter.h?rev=362941&r1=362940&r2=362941&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/Interpreter/Interpreter.h (original)
+++ llvm/trunk/lib/ExecutionEngine/Interpreter/Interpreter.h Mon Jun 10 07:38:48 2019
@@ -124,6 +124,7 @@ public:
void visitSwitchInst(SwitchInst &I);
void visitIndirectBrInst(IndirectBrInst &I);
+ void visitUnaryOperator(UnaryOperator &I);
void visitBinaryOperator(BinaryOperator &I);
void visitICmpInst(ICmpInst &I);
void visitFCmpInst(FCmpInst &I);
Modified: llvm/trunk/test/ExecutionEngine/test-interp-vec-arithm_float.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/ExecutionEngine/test-interp-vec-arithm_float.ll?rev=362941&r1=362940&r2=362941&view=diff
==============================================================================
--- llvm/trunk/test/ExecutionEngine/test-interp-vec-arithm_float.ll (original)
+++ llvm/trunk/test/ExecutionEngine/test-interp-vec-arithm_float.ll Mon Jun 10 07:38:48 2019
@@ -8,6 +8,7 @@ define i32 @main() {
%C_float = fmul <4 x float> %B_float, %B_float
%D_float = fdiv <4 x float> %C_float, %B_float
%E_float = frem <4 x float> %D_float, %A_float
+ %F_float = fneg <4 x float> %E_float
%A_double = fadd <3 x double> <double 0.0, double 111.0, double 222.0>, <double 444.0, double 555.0, double 665.0>
@@ -15,6 +16,7 @@ define i32 @main() {
%C_double = fmul <3 x double> %B_double, %B_double
%D_double = fdiv <3 x double> %C_double, %B_double
%E_double = frem <3 x double> %D_double, %A_double
+ %F_double = fneg <3 x double> %E_double
ret i32 0
}
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