1 ; Test -sanitizer-coverage-trace-compares=1 (instrumenting a switch)
2 ; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -sanitizer-coverage-trace-compares=1 -S | FileCheck %s
3 ; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=1 -sanitizer-coverage-trace-compares=1 -S | FileCheck %s
5 target 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"
6 target triple = "x86_64-unknown-linux-gnu"
7 declare void @_Z3bari(i32)
8 define void @foo(i32 %x) {
10 ; CHECK: __sancov_gen_cov_switch_values = internal global [5 x i64] [i64 3, i64 32, i64 1, i64 101, i64 1001]
11 ; CHECK: [[TMP:%[0-9]*]] = zext i32 %x to i64
12 ; 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))
13 switch i32 %x, label %sw.epilog [
15 i32 1001, label %sw.bb.1
16 i32 101, label %sw.bb.2
19 sw.bb: ; preds = %entry
20 tail call void @_Z3bari(i32 4)
23 sw.bb.1: ; preds = %entry
24 tail call void @_Z3bari(i32 5)
27 sw.bb.2: ; preds = %entry
28 tail call void @_Z3bari(i32 6)
31 sw.epilog: ; preds = %entry, %sw.bb.2, %sw.bb.1, %sw.bb
35 define void @fooi72(i72 %x) {
37 switch i72 %x, label %sw.epilog [
39 i72 101, label %sw.bb.1
40 i72 1001, label %sw.bb.2
43 sw.bb: ; preds = %entry
44 tail call void @_Z3bari(i32 4)
47 sw.bb.1: ; preds = %entry
48 tail call void @_Z3bari(i32 5)
51 sw.bb.2: ; preds = %entry
52 tail call void @_Z3bari(i32 6)
55 sw.epilog: ; preds = %entry, %sw.bb.2, %sw.bb.1, %sw.bb