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; RUN: opt < %s -S -sancov -sanitizer-coverage-level=3 -enable-new-pm=0 | FileCheck %s
; RUN: opt < %s -S -passes='module(sancov-module)' -sanitizer-coverage-level=3 | FileCheck %s
; The critical edges to unreachable_bb should not be split.
define i32 @foo(i32 %c, i32 %d) {
; CHECK-LABEL: @foo(
; CHECK: switch i32 [[C:%.*]], label [[UNREACHABLE_BB:%.*]] [
; CHECK-NEXT: i32 0, label %exit0
; CHECK-NEXT: i32 1, label %exit1
; CHECK-NEXT: i32 2, label %cont
; CHECK-NEXT: ]
; CHECK: cont:
; CHECK: switch i32 [[D:%.*]], label [[UNREACHABLE_BB]] [
; CHECK-NEXT: i32 0, label %exit2
; CHECK-NEXT: i32 1, label %exit3
; CHECK-NEXT: i32 2, label %exit4
; CHECK-NEXT: ]
; CHECK: unreachable_bb:
; CHECK-NEXT: unreachable
;
switch i32 %c, label %unreachable_bb [i32 0, label %exit0
i32 1, label %exit1
i32 2, label %cont]
cont:
switch i32 %d, label %unreachable_bb [i32 0, label %exit2
i32 1, label %exit3
i32 2, label %exit4]
exit0:
ret i32 0
exit1:
ret i32 1
exit2:
ret i32 2
exit3:
ret i32 3
exit4:
ret i32 4
unreachable_bb:
unreachable
}
|
