From 8a0add6981fef214b910a5fce4f79561b85e3d0d Mon Sep 17 00:00:00 2001 From: Michael Williamson Date: Wed, 14 Jun 2023 19:09:14 +0100 Subject: Compile zero-arg calls --- .../backends/llvm/LlvmCompilerCallTests.java | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 src/test/java/org/shedlang/compiler/backends/llvm/LlvmCompilerCallTests.java (limited to 'src/test/java') diff --git a/src/test/java/org/shedlang/compiler/backends/llvm/LlvmCompilerCallTests.java b/src/test/java/org/shedlang/compiler/backends/llvm/LlvmCompilerCallTests.java new file mode 100644 index 00000000..45af4ac3 --- /dev/null +++ b/src/test/java/org/shedlang/compiler/backends/llvm/LlvmCompilerCallTests.java @@ -0,0 +1,38 @@ +package org.shedlang.compiler.backends.llvm; + +import org.junit.jupiter.api.Test; +import org.shedlang.compiler.backends.llvm.ir.ast.LlvmIr; +import org.shedlang.compiler.backends.llvm.ir.ast.instructions.LlvmCall; +import org.shedlang.compiler.stackir.instructions.Instructions; + +import java.util.List; + +import static org.shedlang.compiler.backends.llvm.ir.ast.LlvmIrMatchers.isLlvmVariableLocal; +import static org.zwobble.precisely.AssertThat.assertThat; +import static org.zwobble.precisely.Matchers.*; + +public class LlvmCompilerCallTests { + @Test + public void canCallFunctionWithNoArgs() { + var instruction = Instructions.call(0, List.of()); + var context = LlvmCompilerContext.EMPTY + .push(LlvmIr.variableLocal("x")) + .push(LlvmIr.variableLocal("f")); + + var result = LlvmCompiler.compileInstruction(instruction, context); + + assertThat(result.instructions(), isSequence( + instanceOf( + LlvmCall.class, + has("target", x -> x.target(), isLlvmVariableLocal("tmp__0")), + has("returnType", x -> x.returnType(), equalTo(LlvmCompilerTypes.VALUE_TYPE)), + has("functionPointer", x -> x.functionPointer(), isLlvmVariableLocal("f")), + has("args", x -> x.args(), isSequence()) + ) + )); + assertThat(result.stack(), isSequence( + isLlvmVariableLocal("tmp__0"), + isLlvmVariableLocal("x") + )); + } +} -- cgit v1.2.3