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Add trap codes to the Cretonne IL.

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The trap and trapz/trapnz instructions now take a trap code immediate
operand which indicates the reason for trapping.
This commit is contained in:
Jakob Stoklund Olesen
2017-09-20 13:58:57 -07:00
parent 0f21fd342a
commit e8723be33f
28 changed files with 199 additions and 62 deletions
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cranelift/filetests/cfg/traps_early.cton
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@@ -7,7 +7,7 @@ function %nonsense(i32) {
; check: digraph %nonsense {
ebb0(v1: i32):
trap ; error: terminator instruction was encountered before the end
trap user0 ; error: terminator instruction was encountered before the end
brnz v1, ebb2 ; unordered: ebb0:inst1 -> ebb2
jump ebb1 ; unordered: ebb0:inst2 -> ebb1