1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -O0 -mtriple=mipsel-linux-gnu -global-isel -verify-machineinstrs %s -o -| FileCheck %s -check-prefixes=MIPS32
define i32 @Unconditional_branch(i32 %a, i32 %b) {
; MIPS32-LABEL: Unconditional_branch:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: addiu $sp, $sp, -8
; MIPS32-NEXT: .cfi_def_cfa_offset 8
; MIPS32-NEXT: sw $4, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: j $BB0_2
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB0_1: # %end
; MIPS32-NEXT: lw $2, 4($sp) # 4-byte Folded Reload
; MIPS32-NEXT: addiu $sp, $sp, 8
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB0_2: # %block
; MIPS32-NEXT: j $BB0_1
; MIPS32-NEXT: nop
entry:
br label %block
ret i32 %b
end:
ret i32 %a
block:
br label %end
}
define i32 @Conditional_branch(i1 %cond, i32 %a, i32 %b) {
; MIPS32-LABEL: Conditional_branch:
; MIPS32: # %bb.0:
; MIPS32-NEXT: addiu $sp, $sp, -8
; MIPS32-NEXT: .cfi_def_cfa_offset 8
; MIPS32-NEXT: andi $1, $4, 1
; MIPS32-NEXT: sw $5, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $6, 0($sp) # 4-byte Folded Spill
; MIPS32-NEXT: bnez $1, $BB1_2
; MIPS32-NEXT: nop
; MIPS32-NEXT: # %bb.1:
; MIPS32-NEXT: j $BB1_3
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB1_2: # %if.then
; MIPS32-NEXT: lw $2, 4($sp) # 4-byte Folded Reload
; MIPS32-NEXT: addiu $sp, $sp, 8
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB1_3: # %if.else
; MIPS32-NEXT: lw $2, 0($sp) # 4-byte Folded Reload
; MIPS32-NEXT: addiu $sp, $sp, 8
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
br i1 %cond, label %if.then, label %if.else
if.then:
ret i32 %a
if.else:
ret i32 %b
}
|
