mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-22 12:33:33 +02:00
1bb3751439
This does not schedule any passes besides the ones necessary to construct and print the machine function. This is useful to test .mir file reading and printing. Differential Revision: http://reviews.llvm.org/D22432 llvm-svn: 275664
96 lines
2.2 KiB
YAML
96 lines
2.2 KiB
YAML
# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
|
|
# This test ensures that the MIR parser parses callee saved information in the
|
|
# stack objects correctly.
|
|
|
|
--- |
|
|
|
|
define i32 @compute(i32 %a) {
|
|
body:
|
|
ret i32 %a
|
|
}
|
|
|
|
define i32 @func(i32 %a) {
|
|
entry:
|
|
%b = alloca i32
|
|
store i32 %a, i32* %b
|
|
br label %check
|
|
|
|
check:
|
|
%comp = icmp sle i32 %a, 10
|
|
br i1 %comp, label %loop, label %exit
|
|
|
|
loop:
|
|
%c = load i32, i32* %b
|
|
%d = call i32 @compute(i32 %c)
|
|
%e = sub i32 %d, 1
|
|
store i32 %e, i32* %b
|
|
br label %check
|
|
|
|
exit:
|
|
ret i32 0
|
|
}
|
|
|
|
...
|
|
---
|
|
name: compute
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.body:
|
|
liveins: %edi
|
|
|
|
%eax = COPY killed %edi
|
|
RETQ killed %eax
|
|
...
|
|
---
|
|
name: func
|
|
tracksRegLiveness: true
|
|
frameInfo:
|
|
stackSize: 24
|
|
maxAlignment: 4
|
|
adjustsStack: true
|
|
hasCalls: true
|
|
# CHECK: fixedStack:
|
|
# CHECK-NEXT: , callee-saved-register: '%rbx' }
|
|
fixedStack:
|
|
- { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16, callee-saved-register: '%rbx' }
|
|
# CHECK: stack:
|
|
# CHECK-NEXT: - { id: 0
|
|
# CHECK-NEXT: , callee-saved-register: '%edi' }
|
|
stack:
|
|
- { id: 0, name: b, offset: -20, size: 4, alignment: 4 }
|
|
- { id: 1, offset: -24, size: 4, alignment: 4, callee-saved-register: '%edi' }
|
|
body: |
|
|
bb.0.entry:
|
|
successors: %bb.1.check
|
|
liveins: %edi, %rbx
|
|
|
|
frame-setup PUSH64r killed %rbx, implicit-def %rsp, implicit %rsp
|
|
%rsp = frame-setup SUB64ri8 %rsp, 16, implicit-def dead %eflags
|
|
%ebx = COPY %edi
|
|
MOV32mr %rsp, 1, _, 12, _, %ebx
|
|
|
|
bb.1.check:
|
|
successors: %bb.2.loop, %bb.3.exit
|
|
liveins: %ebx
|
|
|
|
CMP32ri8 %ebx, 10, implicit-def %eflags
|
|
JG_1 %bb.3.exit, implicit killed %eflags
|
|
JMP_1 %bb.2.loop
|
|
|
|
bb.2.loop:
|
|
successors: %bb.1.check
|
|
liveins: %ebx
|
|
|
|
%edi = MOV32rm %rsp, 1, _, 12, _
|
|
CALL64pcrel32 @compute, csr_64, implicit %rsp, implicit %edi, implicit-def %rsp, implicit-def %eax
|
|
%eax = DEC32r killed %eax, implicit-def dead %eflags
|
|
MOV32mr %rsp, 1, _, 12, _, killed %eax
|
|
JMP_1 %bb.1.check
|
|
|
|
bb.3.exit:
|
|
%eax = MOV32r0 implicit-def dead %eflags
|
|
%rsp = ADD64ri8 %rsp, 16, implicit-def dead %eflags
|
|
%rbx = POP64r implicit-def %rsp, implicit %rsp
|
|
RETQ %eax
|
|
...
|