1*9880d681SAndroid Build Coastguard Worker# RUN: not llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker# This test ensures that an error is reported when an invalid machine basic 3*9880d681SAndroid Build Coastguard Worker# block index is used. 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker--- | 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker define i32 @foo(i32* %p) { 9*9880d681SAndroid Build Coastguard Worker entry: 10*9880d681SAndroid Build Coastguard Worker %a = load i32, i32* %p 11*9880d681SAndroid Build Coastguard Worker %b = icmp sle i32 %a, 10 12*9880d681SAndroid Build Coastguard Worker br i1 %b, label %0, label %1 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Worker ; <label>:0 15*9880d681SAndroid Build Coastguard Worker ret i32 0 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Worker ; <label>:1 18*9880d681SAndroid Build Coastguard Worker ret i32 %a 19*9880d681SAndroid Build Coastguard Worker } 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Worker... 22*9880d681SAndroid Build Coastguard Worker--- 23*9880d681SAndroid Build Coastguard Workername: foo 24*9880d681SAndroid Build Coastguard Workerbody: | 25*9880d681SAndroid Build Coastguard Worker bb.0.entry: 26*9880d681SAndroid Build Coastguard Worker %eax = MOV32rm %rdi, 1, _, 0, _ 27*9880d681SAndroid Build Coastguard Worker CMP32ri8 %eax, 10, implicit-def %eflags 28*9880d681SAndroid Build Coastguard Worker ; CHECK: [[@LINE+1]]:10: use of undefined machine basic block #4 29*9880d681SAndroid Build Coastguard Worker JG_1 %bb.4, implicit %eflags 30*9880d681SAndroid Build Coastguard Worker 31*9880d681SAndroid Build Coastguard Worker bb.1: 32*9880d681SAndroid Build Coastguard Worker %eax = MOV32r0 implicit-def %eflags 33*9880d681SAndroid Build Coastguard Worker 34*9880d681SAndroid Build Coastguard Worker bb.2: 35*9880d681SAndroid Build Coastguard Worker RETQ %eax 36*9880d681SAndroid Build Coastguard Worker... 37