[willow]: initial frontend work, unit tests (#8)dev/stefan

1 files changed, 27 insertions, 0 deletions

diff --git a/willow/lib/IR/Value.cpp b/willow/lib/IR/Value.cpp
new file mode 100644
index 0000000..13e029f
--- /dev/null
+++ b/willow/lib/IR/Value.cpp
@@ -0,0 +1,27 @@
+#include <willow/IR/Value.h>
+#include <willow/IR/Constant.h>
+#include <ostream>
+
+std::ostream &operator<<(std::ostream &os, const willow::Value &v) {
+  using willow::ValueKind;
+  auto ty = v.getType();
+  if (!v.isVoid())
+    os << ty << " ";
+
+  switch (v.getValueKind()) {
+  case ValueKind::Parameter:
+    [[fallthrough]];
+  case ValueKind::Instruction: {
+    return os << "%" << v.getName();
+  }
+  case ValueKind::BasicBlock: {
+    return os << "^" << v.getName();
+  }
+  case ValueKind::Function: {
+    return os << "@" << v.getName();
+  }
+  case ValueKind::Constant: {
+    return os << *static_cast<const willow::Constant*>(&v);
+  }
+  }
+}