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/parser/rewrite.cton
+++ b/cranelift/filetests/parser/rewrite.cton
@@ -13,13 +13,13 @@ function %defs() {
 ebb100(v20: i32):
    v1000 = iconst.i32x8 5
    v9200 = f64const 0x4.0p0
-    trap
+    trap user4
 }
 ; sameln: function %defs() native {
 ; nextln: $ebb100($v20: i32):
 ; nextln:     $v1000 = iconst.i32x8 5
 ; nextln:     $v9200 = f64const 0x1.0000000000000p2
-; nextln:     trap
+; nextln:     trap user4
 ; nextln: }

 ; Using values.