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| author | Graydon Hoare <[email protected]> | 2010-10-05 18:09:49 -0700 |
|---|---|---|
| committer | Graydon Hoare <[email protected]> | 2010-10-05 18:09:49 -0700 |
| commit | cdf67b1f2e34ceb27a922cde7edc526597200b96 (patch) | |
| tree | 828af70a52db9bd6e902010b408e18b862064023 /src/boot/be/il.ml | |
| parent | Use RTLD_GLOBAL when loading libraries. This is needed to get LLVM working on... (diff) | |
| download | rust-cdf67b1f2e34ceb27a922cde7edc526597200b96.tar.xz rust-cdf67b1f2e34ceb27a922cde7edc526597200b96.zip | |
Better backpointer logic.
Diffstat (limited to 'src/boot/be/il.ml')
| -rw-r--r-- | src/boot/be/il.ml | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/boot/be/il.ml b/src/boot/be/il.ml index 0e13b4c0..0888f8e8 100644 --- a/src/boot/be/il.ml +++ b/src/boot/be/il.ml @@ -903,9 +903,20 @@ let get_element_ptr (string_of_cell fmt mem_cell) ;; -let ptr_cast (cell:cell) (rty:referent_ty) : cell = +let cell_cast (cell:cell) (rty:referent_ty) : cell = match cell with Mem (mem, _) -> Mem (mem, rty) + | Reg (reg, _) -> + begin + match rty with + ScalarTy st -> Reg (reg, st) + | _ -> bug () "expected scalar type in Il.cell_cast on register" + end + + +let ptr_cast (cell:cell) (rty:referent_ty) : cell = + match cell with + Mem (mem, ScalarTy (AddrTy _)) -> Mem (mem, ScalarTy (AddrTy rty)) | Reg (reg, AddrTy _) -> Reg (reg, AddrTy rty) | _ -> bug () "expected address cell in Il.ptr_cast" ;; |