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 -enable-new-pm=0 | FileCheck %s 3; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=1 -sanitizer-coverage-trace-compares=1 -S | FileCheck %s 4 5target 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" 6target triple = "x86_64-unknown-linux-gnu" 7declare void @_Z3bari(i32) 8define void @foo(i32 %x) { 9entry: 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 [ 14 i32 1, label %sw.bb 15 i32 1001, label %sw.bb.1 16 i32 101, label %sw.bb.2 17 ] 18 19sw.bb: ; preds = %entry 20 tail call void @_Z3bari(i32 4) 21 br label %sw.epilog 22 23sw.bb.1: ; preds = %entry 24 tail call void @_Z3bari(i32 5) 25 br label %sw.epilog 26 27sw.bb.2: ; preds = %entry 28 tail call void @_Z3bari(i32 6) 29 br label %sw.epilog 30 31sw.epilog: ; preds = %entry, %sw.bb.2, %sw.bb.1, %sw.bb 32 ret void 33} 34 35define void @fooi72(i72 %x) { 36entry: 37 switch i72 %x, label %sw.epilog [ 38 i72 1, label %sw.bb 39 i72 101, label %sw.bb.1 40 i72 1001, label %sw.bb.2 41 ] 42 43sw.bb: ; preds = %entry 44 tail call void @_Z3bari(i32 4) 45 br label %sw.epilog 46 47sw.bb.1: ; preds = %entry 48 tail call void @_Z3bari(i32 5) 49 br label %sw.epilog 50 51sw.bb.2: ; preds = %entry 52 tail call void @_Z3bari(i32 6) 53 br label %sw.epilog 54 55sw.epilog: ; preds = %entry, %sw.bb.2, %sw.bb.1, %sw.bb 56 ret void 57} 58