File: pr22338.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (72 lines) | stat: -rw-r--r-- 2,220 bytes parent folder | download | duplicates (19)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefix=X64

define i32 @fn(i32 %a0, i32 %a1) {
; X86-LABEL: fn:
; X86:       # %bb.0: # %entry
; X86-NEXT:    pushl %ebx
; X86-NEXT:    .cfi_def_cfa_offset 8
; X86-NEXT:    .cfi_offset %ebx, -8
; X86-NEXT:    xorl %eax, %eax
; X86-NEXT:    cmpl $1, {{[0-9]+}}(%esp)
; X86-NEXT:    sete %cl
; X86-NEXT:    setne %al
; X86-NEXT:    cmpl $1, {{[0-9]+}}(%esp)
; X86-NEXT:    sete %dl
; X86-NEXT:    negl %eax
; X86-NEXT:    addb %cl, %cl
; X86-NEXT:    movl %eax, %ebx
; X86-NEXT:    shll %cl, %ebx
; X86-NEXT:    addb %dl, %dl
; X86-NEXT:    movl %edx, %ecx
; X86-NEXT:    shll %cl, %eax
; X86-NEXT:    .p2align 4, 0x90
; X86-NEXT:  .LBB0_1: # %bb1
; X86-NEXT:    # =>This Inner Loop Header: Depth=1
; X86-NEXT:    testl %ebx, %ebx
; X86-NEXT:    je .LBB0_1
; X86-NEXT:  # %bb.2: # %bb2
; X86-NEXT:    popl %ebx
; X86-NEXT:    .cfi_def_cfa_offset 4
; X86-NEXT:    retl
;
; X64-LABEL: fn:
; X64:       # %bb.0: # %entry
; X64-NEXT:    xorl %eax, %eax
; X64-NEXT:    cmpl $1, %edi
; X64-NEXT:    sete %cl
; X64-NEXT:    setne %al
; X64-NEXT:    cmpl $1, %esi
; X64-NEXT:    sete %dl
; X64-NEXT:    negl %eax
; X64-NEXT:    addb %cl, %cl
; X64-NEXT:    movl %eax, %esi
; X64-NEXT:    shll %cl, %esi
; X64-NEXT:    addb %dl, %dl
; X64-NEXT:    movl %edx, %ecx
; X64-NEXT:    shll %cl, %eax
; X64-NEXT:    .p2align 4, 0x90
; X64-NEXT:  .LBB0_1: # %bb1
; X64-NEXT:    # =>This Inner Loop Header: Depth=1
; X64-NEXT:    testl %esi, %esi
; X64-NEXT:    je .LBB0_1
; X64-NEXT:  # %bb.2: # %bb2
; X64-NEXT:    retq
entry:
  %cmp1 = icmp ne i32 %a0, 1
  %cmp2 = icmp eq i32 %a1, 1
  %sel1 = select i1 %cmp1, i32 0, i32 2
  %sel2 = select i1 %cmp2, i32 2, i32 0
  %sext = sext i1 %cmp1 to i32
  %shl1 = shl i32 %sext, %sel1
  %shl2 = shl i32 %sext, %sel2
  %tobool = icmp eq i32 %shl1, 0
  br label %bb1

bb1:                                              ; preds = %bb1, %entry
  br i1 %tobool, label %bb1, label %bb2

bb2:                                              ; preds = %bb1
  ret i32 %shl2
}