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