1 # RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s 2 # This test ensures that the MIR parser parses basic block successors and 3 # probabilities correctly. 4 5 --- | 6 7 define i32 @foo(i32 %a) { 8 entry: 9 %0 = icmp sle i32 %a, 10 10 br i1 %0, label %less, label %exit 11 12 less: 13 ret i32 0 14 15 exit: 16 ret i32 %a 17 } 18 19 ... 20 --- 21 name: foo 22 body: | 23 ; CHECK-LABEL: bb.0.entry: 24 ; CHECK: successors: %bb.1.less({{[0-9a-fx/= ]+}}33.00%), %bb.2.exit({{[0-9a-fx/= ]+}}67.00%) 25 ; CHECK-LABEL: bb.1.less: 26 bb.0.entry: 27 successors: %bb.1.less (33), %bb.2.exit(67) 28 liveins: %edi 29 30 CMP32ri8 %edi, 10, implicit-def %eflags 31 JG_1 %bb.2.exit, implicit killed %eflags 32 33 bb.1.less: 34 %eax = MOV32r0 implicit-def dead %eflags 35 RETQ killed %eax 36 37 bb.2.exit: 38 liveins: %edi 39 40 %eax = COPY killed %edi 41 RETQ killed %eax 42 ... 43
