1*9880d681SAndroid Build Coastguard Worker; RUN: opt -flattencfg -S < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; This test checks whether the pass completes without a crash. 5*9880d681SAndroid Build Coastguard Worker; The code is not transformed in any way 6*9880d681SAndroid Build Coastguard Worker; 7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test_not_crash 8*9880d681SAndroid Build Coastguard Workerdefine void @test_not_crash(i32 %in_a) #0 { 9*9880d681SAndroid Build Coastguard Workerentry: 10*9880d681SAndroid Build Coastguard Worker %cmp0 = icmp eq i32 %in_a, -1 11*9880d681SAndroid Build Coastguard Worker %cmp1 = icmp ne i32 %in_a, 0 12*9880d681SAndroid Build Coastguard Worker %cond0 = and i1 %cmp0, %cmp1 13*9880d681SAndroid Build Coastguard Worker br i1 %cond0, label %b0, label %b1 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerb0: ; preds = %entry 16*9880d681SAndroid Build Coastguard Worker %cmp2 = icmp eq i32 %in_a, 0 17*9880d681SAndroid Build Coastguard Worker %cmp3 = icmp ne i32 %in_a, 1 18*9880d681SAndroid Build Coastguard Worker %cond1 = or i1 %cmp2, %cmp3 19*9880d681SAndroid Build Coastguard Worker br i1 %cond1, label %exit, label %b1 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Workerb1: ; preds = %entry, %b0 22*9880d681SAndroid Build Coastguard Worker br label %exit 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Workerexit: ; preds = %entry, %b0, %b1 25*9880d681SAndroid Build Coastguard Worker ret void 26*9880d681SAndroid Build Coastguard Worker} 27