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