File: cmp-merge.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (102 lines) | stat: -rw-r--r-- 2,472 bytes parent folder | download | duplicates (3)
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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686--| FileCheck %s --check-prefixes=X86
; RUN: llc < %s -mtriple=x86_64--| FileCheck %s --check-prefixes=X64

;
; PR35202
;

declare void @on_less()
declare void @on_equal()
declare void @on_greater()

define void @eq_first(i32 %0, i32 %1) {
; X86-LABEL: eq_first:
; X86:       # %bb.0:
; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-NEXT:    cmpl %eax, {{[0-9]+}}(%esp)
; X86-NEXT:    jge .LBB0_1
; X86-NEXT:  # %bb.3:
; X86-NEXT:    jmp on_less@PLT # TAILCALL
; X86-NEXT:  .LBB0_1:
; X86-NEXT:    jne .LBB0_2
; X86-NEXT:  # %bb.4:
; X86-NEXT:    jmp on_equal@PLT # TAILCALL
; X86-NEXT:  .LBB0_2:
; X86-NEXT:    jmp on_greater@PLT # TAILCALL
;
; X64-LABEL: eq_first:
; X64:       # %bb.0:
; X64-NEXT:    cmpl %esi, %edi
; X64-NEXT:    jge .LBB0_1
; X64-NEXT:  # %bb.3:
; X64-NEXT:    jmp on_less@PLT # TAILCALL
; X64-NEXT:  .LBB0_1:
; X64-NEXT:    jne .LBB0_2
; X64-NEXT:  # %bb.4:
; X64-NEXT:    jmp on_equal@PLT # TAILCALL
; X64-NEXT:  .LBB0_2:
; X64-NEXT:    jmp on_greater@PLT # TAILCALL
  %3 = icmp slt i32 %0, %1
  br i1 %3, label %4, label %5
4:
  tail call void @on_less()
  br label %9
5:
  %6 = icmp eq i32 %0, %1
  br i1 %6, label %7, label %8
7:
  tail call void @on_equal()
  br label %9
8:
  tail call void @on_greater()
  br label %9
9:
  ret void
}

define void @gt_first(i32 %0, i32 %1) {
; X86-LABEL: gt_first:
; X86:       # %bb.0:
; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT:    cmpl %eax, %ecx
; X86-NEXT:    jge .LBB1_1
; X86-NEXT:  # %bb.3:
; X86-NEXT:    jmp on_less@PLT # TAILCALL
; X86-NEXT:  .LBB1_1:
; X86-NEXT:    jle .LBB1_2
; X86-NEXT:  # %bb.4:
; X86-NEXT:    jmp on_greater@PLT # TAILCALL
; X86-NEXT:  .LBB1_2:
; X86-NEXT:    jmp on_equal@PLT # TAILCALL
;
; X64-LABEL: gt_first:
; X64:       # %bb.0:
; X64-NEXT:    cmpl %esi, %edi
; X64-NEXT:    jge .LBB1_1
; X64-NEXT:  # %bb.3:
; X64-NEXT:    jmp on_less@PLT # TAILCALL
; X64-NEXT:  .LBB1_1:
; X64-NEXT:    jle .LBB1_2
; X64-NEXT:  # %bb.4:
; X64-NEXT:    jmp on_greater@PLT # TAILCALL
; X64-NEXT:  .LBB1_2:
; X64-NEXT:    jmp on_equal@PLT # TAILCALL
  %3 = icmp slt i32 %0, %1
  br i1 %3, label %4, label %5
4:
  tail call void @on_less()
  br label %9
5:
  %6 = icmp slt i32 %1, %0
  br i1 %6, label %7, label %8
7:
  tail call void @on_greater()
  br label %9
8:
  tail call void @on_equal()
  br label %9
9:
  ret void
}