1 # RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
2 # This test ensures that the MIR parser parses callee saved information in the
3 # stack objects correctly.
7 define i32 @compute(i32 %a) {
12 define i32 @func(i32 %a) {
19 %comp = icmp sle i32 %a, 10
20 br i1 %comp, label %loop, label %exit
23 %c = load i32, i32* %b
24 %d = call i32 @compute(i32 %c)
36 tracksRegLiveness: true
41 $eax = COPY killed $edi
46 tracksRegLiveness: true
53 # CHECK: callee-saved-register: '$rbx', callee-saved-restored: true
55 - { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16, callee-saved-register: '$rbx' }
57 # CHECK-NEXT: - { id: 0
58 # CHECK: callee-saved-register: '$edi', callee-saved-restored: false
60 - { id: 0, name: b, offset: -20, size: 4, alignment: 4 }
61 - { id: 1, offset: -24, size: 4, alignment: 4, callee-saved-register: '$edi',
62 callee-saved-restored: false }
65 successors: %bb.1.check
68 frame-setup PUSH64r killed $rbx, implicit-def $rsp, implicit $rsp
69 $rsp = frame-setup SUB64ri8 $rsp, 16, implicit-def dead $eflags
71 MOV32mr $rsp, 1, _, 12, _, $ebx
74 successors: %bb.2.loop, %bb.3.exit
77 CMP32ri8 $ebx, 10, implicit-def $eflags
78 JCC_1 %bb.3.exit, 15, implicit killed $eflags
82 successors: %bb.1.check
85 $edi = MOV32rm $rsp, 1, _, 12, _
86 CALL64pcrel32 @compute, csr_64, implicit $rsp, implicit $edi, implicit-def $rsp, implicit-def $eax
87 $eax = DEC32r killed $eax, implicit-def dead $eflags
88 MOV32mr $rsp, 1, _, 12, _, killed $eax
92 $eax = MOV32r0 implicit-def dead $eflags
93 $rsp = ADD64ri8 $rsp, 16, implicit-def dead $eflags
94 $rbx = POP64r implicit-def $rsp, implicit $rsp