add basic mem2reg

promotes uniform stack slots to temporaries

currently only for immutable variables, next thing to implement is ssa
construction

1 files changed, 1 insertions, 0 deletions

diff --git a/ir.c b/ir.c
index 2a7de47..9f6e86d 100644
--- a/ir.c
+++ b/ir.c
@@ -413,6 +413,7 @@ irfini(struct function *fn)
    extern int nerror;
    if (!nerror) {
       abi0(fn);
+      mem2reg(fn);
       lowerintrin(fn);
       mctarg->isel(fn);
       regalloc(fn);