Basic constant propagation.

2013-12-07 05:52:51 -08:00
parent 57432d5996
commit 3b268f07ef
10 changed files with 584 additions and 147 deletions
--- a/src/alloy/hir/instr.cc
+++ b/src/alloy/hir/instr.cc
@@ -50,7 +50,6 @@ void Instr::set_src3(Value* value) {

 void Instr::Remove() {
  if (dest) {
-    XEASSERT(!dest->use_head);
    dest->def = NULL;
  }
  if (src1_use) {