xref: /aosp_15_r20/external/llvm/test/Instrumentation/SanitizerCoverage/switch-tracing.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Test -sanitizer-coverage-experimental-trace-compares=1 (instrumenting a switch)
2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -sanitizer-coverage-experimental-trace-compares=1  -S | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
5*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu"
6*9880d681SAndroid Build Coastguard Workerdeclare void @_Z3bari(i32)
7*9880d681SAndroid Build Coastguard Workerdefine void @foo(i32 %x) {
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker; CHECK: __sancov_gen_cov_switch_values = internal global [5 x i64] [i64 3, i64 32, i64 1, i64 101, i64 1001]
10*9880d681SAndroid Build Coastguard Worker; CHECK: [[TMP:%[0-9]*]] = zext i32 %x to i64
11*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: call void @__sanitizer_cov_trace_switch(i64 [[TMP]], i64* getelementptr inbounds ([5 x i64], [5 x i64]* @__sancov_gen_cov_switch_values, i32 0, i32 0))
12*9880d681SAndroid Build Coastguard Worker  switch i32 %x, label %sw.epilog [
13*9880d681SAndroid Build Coastguard Worker    i32 1, label %sw.bb
14*9880d681SAndroid Build Coastguard Worker    i32 101, label %sw.bb.1
15*9880d681SAndroid Build Coastguard Worker    i32 1001, label %sw.bb.2
16*9880d681SAndroid Build Coastguard Worker  ]
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Workersw.bb:                                            ; preds = %entry
19*9880d681SAndroid Build Coastguard Worker  tail call void @_Z3bari(i32 4)
20*9880d681SAndroid Build Coastguard Worker  br label %sw.epilog
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Workersw.bb.1:                                          ; preds = %entry
23*9880d681SAndroid Build Coastguard Worker  tail call void @_Z3bari(i32 5)
24*9880d681SAndroid Build Coastguard Worker  br label %sw.epilog
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Workersw.bb.2:                                          ; preds = %entry
27*9880d681SAndroid Build Coastguard Worker  tail call void @_Z3bari(i32 6)
28*9880d681SAndroid Build Coastguard Worker  br label %sw.epilog
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Workersw.epilog:                                        ; preds = %entry, %sw.bb.2, %sw.bb.1, %sw.bb
31*9880d681SAndroid Build Coastguard Worker  ret void
32*9880d681SAndroid Build Coastguard Worker}
33*9880d681SAndroid Build Coastguard Worker
34*9880d681SAndroid Build Coastguard Workerdefine void @fooi72(i72 %x) {
35*9880d681SAndroid Build Coastguard Workerentry:
36*9880d681SAndroid Build Coastguard Worker  switch i72 %x, label %sw.epilog [
37*9880d681SAndroid Build Coastguard Worker    i72 1, label %sw.bb
38*9880d681SAndroid Build Coastguard Worker    i72 101, label %sw.bb.1
39*9880d681SAndroid Build Coastguard Worker    i72 1001, label %sw.bb.2
40*9880d681SAndroid Build Coastguard Worker  ]
41*9880d681SAndroid Build Coastguard Worker
42*9880d681SAndroid Build Coastguard Workersw.bb:                                            ; preds = %entry
43*9880d681SAndroid Build Coastguard Worker  tail call void @_Z3bari(i32 4)
44*9880d681SAndroid Build Coastguard Worker  br label %sw.epilog
45*9880d681SAndroid Build Coastguard Worker
46*9880d681SAndroid Build Coastguard Workersw.bb.1:                                          ; preds = %entry
47*9880d681SAndroid Build Coastguard Worker  tail call void @_Z3bari(i32 5)
48*9880d681SAndroid Build Coastguard Worker  br label %sw.epilog
49*9880d681SAndroid Build Coastguard Worker
50*9880d681SAndroid Build Coastguard Workersw.bb.2:                                          ; preds = %entry
51*9880d681SAndroid Build Coastguard Worker  tail call void @_Z3bari(i32 6)
52*9880d681SAndroid Build Coastguard Worker  br label %sw.epilog
53*9880d681SAndroid Build Coastguard Worker
54*9880d681SAndroid Build Coastguard Workersw.epilog:                                        ; preds = %entry, %sw.bb.2, %sw.bb.1, %sw.bb
55*9880d681SAndroid Build Coastguard Worker  ret void
56*9880d681SAndroid Build Coastguard Worker}
57