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/tests/cfg_traversal.rs
+++ b/cranelift/tests/cfg_traversal.rs
@@ -44,11 +44,11 @@ fn simple_traversal() {
                brz v4, ebb4
                jump ebb5
            ebb3:
-                trap
+                trap user0
            ebb4:
-                trap
+                trap user0
            ebb5:
-                trap
+                trap user0
        }
    ",
        vec![0, 1, 3, 2, 4, 5],
@@ -123,7 +123,7 @@ fn loops_three() {
                jump ebb6
            ebb5:
                brz v0, ebb4
-                trap
+                trap user0
            ebb6:
                jump ebb7
            ebb7:
@@ -152,7 +152,7 @@ fn back_edge_one() {
                brnz v0, ebb0
                return
            ebb4:
-                trap
+                trap user0
        }
    ",
        vec![0, 1, 3, 2, 4],