initial work on IR

1 files changed, 62 insertions, 0 deletions

diff --git a/src/ir.hff b/src/ir.hff
new file mode 100644
index 0000000..987db3b
--- /dev/null
+++ b/src/ir.hff
@@ -0,0 +1,62 @@
+import "cffc.hff";
+
+struct IRCtx {
+   alloc *Allocator,
+}
+
+struct IRInst;
+struct IRFn {
+   body *IRInst
+}
+
+struct IRValue {
+   ty *const Type,
+   u enum union {
+      IImm i64,
+      FImm f64,
+      SImm [#]const u8,
+      BImm bool,
+      Null,
+      Tmp  int,
+   }
+}
+
+enum union IRArg {
+   Val IRValue,
+   Ty *const Type,
+   Fn *Decl,
+}
+
+enum IRInstT {
+   neg,
+   compl,
+   fneg,
+   add,
+   sub,
+   mul,
+   div,
+   mod,
+   band,
+   bor,
+   xor,
+   lsl,
+   lsr,
+   asr,
+   fadd,
+   fsub,
+   fmul,
+   fdiv,
+   copy,
+   call,
+   ret0,
+}
+
+struct IRInst {
+   t IRInstT,
+   next *IRInst,
+   cond *IRInst,
+   call_nargs int,
+   args [0]IRArg,
+}
+
+extern fn irdump(*IRInst) void;