1 # RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o - %s | FileCheck %s 2 # This test ensures that the MIR parser parses the .cfi_offset operands 3 # correctly. 4 5 --- | 6 7 declare void @foo(i32) 8 9 define i32 @test(i32 %a, i32 %b, i32 %c, i32 %d) { 10 entry: 11 %add = add nsw i32 %b, %a 12 %add1 = add nsw i32 %add, %c 13 %add2 = add nsw i32 %add1, %d 14 tail call void @foo(i32 %add2) 15 %add6 = add nsw i32 %add2, %add2 16 ret i32 %add6 17 } 18 19 ... 20 --- 21 name: test 22 tracksRegLiveness: true 23 frameInfo: 24 stackSize: 8 25 adjustsStack: true 26 hasCalls: true 27 fixedStack: 28 - { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16 } 29 body: | 30 bb.0.entry: 31 liveins: %ecx, %edi, %edx, %esi, %rbx 32 33 PUSH64r killed %rbx, implicit-def %rsp, implicit %rsp 34 CFI_INSTRUCTION .cfi_def_cfa_offset 16 35 ; CHECK: CFI_INSTRUCTION .cfi_offset %rbx, -16 36 CFI_INSTRUCTION .cfi_offset %rbx, -16 37 %ebx = COPY %edi, implicit-def %rbx 38 %ebx = ADD32rr %ebx, killed %esi, implicit-def dead %eflags 39 %ebx = ADD32rr %ebx, killed %edx, implicit-def dead %eflags 40 %ebx = ADD32rr %ebx, killed %ecx, implicit-def dead %eflags 41 %edi = COPY %ebx 42 CALL64pcrel32 @foo, csr_64, implicit %rsp, implicit %edi, implicit-def %rsp 43 %eax = LEA64_32r killed %rbx, 1, %rbx, 0, _ 44 %rbx = POP64r implicit-def %rsp, implicit %rsp 45 RETQ %eax 46 ... 47 48
