1# RUN: not llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s 2 3--- | 4 5 define i32 @foo(i32 %a) { 6 entry: 7 %0 = icmp sle i32 %a, 10 8 br i1 %0, label %less, label %exit 9 10 less: 11 ret i32 0 12 13 exit: 14 ret i32 %a 15 } 16 17... 18--- 19name: foo 20body: | 21 bb.0.entry: 22 successors: %bb.1.less, %bb.2.exit 23 24 CMP32ri8 %edi, 10, implicit-def %eflags 25 ; CHECK: [[@LINE+1]]:31: duplicate 'implicit' register flag 26 JG_1 %bb.2.exit, implicit implicit %eflags 27 28 bb.1.less: 29 %eax = MOV32r0 implicit-def %eflags 30 RETQ %eax 31 32 bb.2.exit: 33 %eax = COPY %edi 34 RETQ %eax 35... 36