File: optimize-compare.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (80 lines) | stat: -rw-r--r-- 2,868 bytes parent folder | download | duplicates (4)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s

define amdgpu_kernel void @if_masked_1(i32 %arg, i32 addrspace(1)* %p)  {
; GCN-LABEL: if_masked_1:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_load_dword s4, s[0:1], 0x24
; GCN-NEXT:    s_load_dwordx2 s[2:3], s[0:1], 0x2c
; GCN-NEXT:    v_mov_b32_e32 v0, 0
; GCN-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-NEXT:    s_bitcmp0_b32 s4, 0
; GCN-NEXT:    s_cselect_b32 s0, 22, 33
; GCN-NEXT:    v_mov_b32_e32 v1, s0
; GCN-NEXT:    global_store_dword v0, v1, s[2:3]
; GCN-NEXT:    s_endpgm
  %and = and i32 %arg, 1
  %cmp = icmp eq i32 %and, 0
  %sel = select i1 %cmp, i32 22, i32 33
  store i32 %sel, i32 addrspace(1)* %p
  ret void
}

define amdgpu_kernel void @if_masked_1024(i32 %arg, i32 addrspace(1)* %p)  {
; GCN-LABEL: if_masked_1024:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_load_dword s4, s[0:1], 0x24
; GCN-NEXT:    s_load_dwordx2 s[2:3], s[0:1], 0x2c
; GCN-NEXT:    v_mov_b32_e32 v0, 0
; GCN-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-NEXT:    s_bitcmp0_b32 s4, 10
; GCN-NEXT:    s_cselect_b32 s0, 22, 33
; GCN-NEXT:    v_mov_b32_e32 v1, s0
; GCN-NEXT:    global_store_dword v0, v1, s[2:3]
; GCN-NEXT:    s_endpgm
  %and = and i32 %arg, 1024
  %cmp = icmp eq i32 %and, 0
  %sel = select i1 %cmp, i32 22, i32 33
  store i32 %sel, i32 addrspace(1)* %p
  ret void
}

define amdgpu_kernel void @if_masked_0x80000000(i32 %arg, i32 addrspace(1)* %p)  {
; GCN-LABEL: if_masked_0x80000000:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_load_dword s4, s[0:1], 0x24
; GCN-NEXT:    s_load_dwordx2 s[2:3], s[0:1], 0x2c
; GCN-NEXT:    v_mov_b32_e32 v0, 0
; GCN-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-NEXT:    s_bitcmp0_b32 s4, 31
; GCN-NEXT:    s_cselect_b32 s0, 22, 33
; GCN-NEXT:    v_mov_b32_e32 v1, s0
; GCN-NEXT:    global_store_dword v0, v1, s[2:3]
; GCN-NEXT:    s_endpgm
  %and = and i32 %arg, 2147483648
  %cmp = icmp eq i32 %and, 0
  %sel = select i1 %cmp, i32 22, i32 33
  store i32 %sel, i32 addrspace(1)* %p
  ret void
}

; FIXME: this should result in "s_bitcmp0_b64 $arg, 63" or "s_bitcmp0_b32 $arg.sub1, 31"
define amdgpu_kernel void @if_masked_0x8000000000000000(i64 %arg, i32 addrspace(1)* %p)  {
; GCN-LABEL: if_masked_0x8000000000000000:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_load_dwordx4 s[0:3], s[0:1], 0x24
; GCN-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-NEXT:    s_mov_b32 s0, 0
; GCN-NEXT:    v_mov_b32_e32 v0, 0
; GCN-NEXT:    s_and_b32 s1, s1, 0x80000000
; GCN-NEXT:    s_cmp_eq_u64 s[0:1], 0
; GCN-NEXT:    s_cselect_b32 s0, 22, 33
; GCN-NEXT:    v_mov_b32_e32 v1, s0
; GCN-NEXT:    global_store_dword v0, v1, s[2:3]
; GCN-NEXT:    s_endpgm
  %and = and i64 %arg, 9223372036854775808
  %cmp = icmp eq i64 %and, 0
  %sel = select i1 %cmp, i32 22, i32 33
  store i32 %sel, i32 addrspace(1)* %p
  ret void
}