Add trap codes to the Cretonne IL.

The trap and trapz/trapnz instructions now take a trap code immediate operand which indicates the reason for trapping.
2017-09-20 13:58:57 -07:00
parent 0f21fd342a
commit e8723be33f
28 changed files with 199 additions and 62 deletions
--- a/cranelift/filetests/cfg/unused_node.cton
+++ b/cranelift/filetests/cfg/unused_node.cton
@@ -9,7 +9,7 @@ function %not_reached(i32) -> i32 {

 ebb0(v0: i32):
    brnz v0, ebb2       ; unordered: ebb0:inst0 -> ebb2
-    trap
+    trap user0

 ebb1:
    v1 = iconst.i32 1