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 declare void @foo(i32) 6 7 define i32 @test(i32 %a, i32 %b, i32 %c, i32 %d) { 8 entry: 9 %add = add nsw i32 %b, %a 10 %add1 = add nsw i32 %add, %c 11 %add2 = add nsw i32 %add1, %d 12 tail call void @foo(i32 %add2) 13 %add6 = add nsw i32 %add2, %add2 14 ret i32 %add6 15 } 16 17 ... 18 --- 19 name: test 20 tracksRegLiveness: true 21 frameInfo: 22 stackSize: 8 23 adjustsStack: true 24 hasCalls: true 25 fixedStack: 26 - { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16 } 27 body: | 28 bb.0.entry: 29 PUSH64r killed %rbx, implicit-def %rsp, implicit %rsp 30 CFI_INSTRUCTION .cfi_def_cfa_offset 16 31 ; CHECK: [[@LINE+1]]:33: expected a cfi register 32 CFI_INSTRUCTION .cfi_offset %0, -16 33 %ebx = COPY %edi, implicit-def %rbx 34 %ebx = ADD32rr %ebx, killed %esi, implicit-def dead %eflags 35 %ebx = ADD32rr %ebx, killed %edx, implicit-def dead %eflags 36 %ebx = ADD32rr %ebx, killed %ecx, implicit-def dead %eflags 37 %edi = COPY %ebx 38 CALL64pcrel32 @foo, csr_64, implicit %rsp, implicit %edi, implicit-def %rsp 39 %eax = LEA64_32r killed %rbx, 1, %rbx, 0, _ 40 %rbx = POP64r implicit-def %rsp, implicit %rsp 41 RETQ %eax 42 ... 43
