You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
151 lines
2.8 KiB
151 lines
2.8 KiB
4 months ago
|
# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
|
||
|
|
# This test ensures that the MIR parser parses the jump table info and jump
|
||
|
|
# table operands correctly.
|
||
|
|
|
||
|
|
--- |
|
||
|
|
|
||
|
|
define i32 @test_jumptable(i32 %in) {
|
||
|
|
entry:
|
||
|
|
switch i32 %in, label %def [
|
||
|
|
i32 0, label %lbl1
|
||
|
|
i32 1, label %lbl2
|
||
|
|
i32 2, label %lbl3
|
||
|
|
i32 3, label %lbl4
|
||
|
|
]
|
||
|
|
|
||
|
|
def:
|
||
|
|
ret i32 0
|
||
|
|
|
||
|
|
lbl1:
|
||
|
|
ret i32 1
|
||
|
|
|
||
|
|
lbl2:
|
||
|
|
ret i32 2
|
||
|
|
|
||
|
|
lbl3:
|
||
|
|
ret i32 4
|
||
|
|
|
||
|
|
lbl4:
|
||
|
|
ret i32 8
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @test_jumptable2(i32 %in) {
|
||
|
|
entry:
|
||
|
|
switch i32 %in, label %def [
|
||
|
|
i32 0, label %lbl1
|
||
|
|
i32 1, label %lbl2
|
||
|
|
i32 2, label %lbl3
|
||
|
|
i32 3, label %lbl4
|
||
|
|
]
|
||
|
|
|
||
|
|
def:
|
||
|
|
ret i32 0
|
||
|
|
|
||
|
|
lbl1:
|
||
|
|
ret i32 1
|
||
|
|
|
||
|
|
lbl2:
|
||
|
|
ret i32 2
|
||
|
|
|
||
|
|
lbl3:
|
||
|
|
ret i32 4
|
||
|
|
|
||
|
|
lbl4:
|
||
|
|
ret i32 8
|
||
|
|
}
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: test_jumptable
|
||
|
|
# CHECK: jumpTable:
|
||
|
|
# CHECK-NEXT: kind: label-difference32
|
||
|
|
# CHECK-NEXT: entries:
|
||
|
|
# CHECK-NEXT: - id: 0
|
||
|
|
# CHECK-NEXT: blocks: [ '%bb.3', '%bb.4', '%bb.5', '%bb.6' ]
|
||
|
|
# CHECK-NEXT: body:
|
||
|
|
jumpTable:
|
||
|
|
kind: label-difference32
|
||
|
|
entries:
|
||
|
|
- id: 0
|
||
|
|
blocks: [ '%bb.3', '%bb.4', '%bb.5', '%bb.6' ]
|
||
|
|
body: |
|
||
|
|
bb.0.entry:
|
||
|
|
successors: %bb.2, %bb.1
|
||
|
|
|
||
|
|
$eax = MOV32rr $edi, implicit-def $rax
|
||
|
|
CMP32ri8 $edi, 3, implicit-def $eflags
|
||
|
|
JCC_1 %bb.2, 7, implicit $eflags
|
||
|
|
|
||
|
|
bb.1.entry:
|
||
|
|
successors: %bb.3, %bb.4, %bb.5, %bb.6
|
||
|
|
; CHECK: $rcx = LEA64r $rip, 1, $noreg, %jump-table.0, $noreg
|
||
|
|
$rcx = LEA64r $rip, 1, _, %jump-table.0, _
|
||
|
|
$rax = MOVSX64rm32 $rcx, 4, $rax, 0, _
|
||
|
|
$rax = ADD64rr $rax, $rcx, implicit-def $eflags
|
||
|
|
JMP64r $rax
|
||
|
|
|
||
|
|
bb.2.def:
|
||
|
|
$eax = MOV32r0 implicit-def $eflags
|
||
|
|
RETQ $eax
|
||
|
|
|
||
|
|
bb.3.lbl1:
|
||
|
|
$eax = MOV32ri 1
|
||
|
|
RETQ $eax
|
||
|
|
|
||
|
|
bb.4.lbl2:
|
||
|
|
$eax = MOV32ri 2
|
||
|
|
RETQ $eax
|
||
|
|
|
||
|
|
bb.5.lbl3:
|
||
|
|
$eax = MOV32ri 4
|
||
|
|
RETQ $eax
|
||
|
|
|
||
|
|
bb.6.lbl4:
|
||
|
|
$eax = MOV32ri 8
|
||
|
|
RETQ $eax
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: test_jumptable2
|
||
|
|
jumpTable:
|
||
|
|
kind: label-difference32
|
||
|
|
entries:
|
||
|
|
- id: 1
|
||
|
|
blocks: [ '%bb.3', '%bb.4', '%bb.5', '%bb.6' ]
|
||
|
|
body: |
|
||
|
|
bb.0.entry:
|
||
|
|
successors: %bb.2, %bb.1
|
||
|
|
|
||
|
|
$eax = MOV32rr $edi, implicit-def $rax
|
||
|
|
CMP32ri8 $edi, 3, implicit-def $eflags
|
||
|
|
JCC_1 %bb.2, 7, implicit $eflags
|
||
|
|
|
||
|
|
bb.1.entry:
|
||
|
|
successors: %bb.3, %bb.4, %bb.5, %bb.6
|
||
|
|
; Verify that the printer will use an id of 0 for this jump table:
|
||
|
|
; CHECK: $rcx = LEA64r $rip, 1, $noreg, %jump-table.0, $noreg
|
||
|
|
$rcx = LEA64r $rip, 1, _, %jump-table.1, _
|
||
|
|
$rax = MOVSX64rm32 $rcx, 4, $rax, 0, _
|
||
|
|
$rax = ADD64rr $rax, $rcx, implicit-def $eflags
|
||
|
|
JMP64r $rax
|
||
|
|
|
||
|
|
bb.2.def:
|
||
|
|
$eax = MOV32r0 implicit-def $eflags
|
||
|
|
RETQ $eax
|
||
|
|
|
||
|
|
bb.3.lbl1:
|
||
|
|
$eax = MOV32ri 1
|
||
|
|
RETQ $eax
|
||
|
|
|
||
|
|
bb.4.lbl2:
|
||
|
|
$eax = MOV32ri 2
|
||
|
|
RETQ $eax
|
||
|
|
|
||
|
|
bb.5.lbl3:
|
||
|
|
$eax = MOV32ri 4
|
||
|
|
RETQ $eax
|
||
|
|
|
||
|
|
bb.6.lbl4:
|
||
|
|
$eax = MOV32ri 8
|
||
|
|
RETQ $eax
|
||
|
|
...
|