File: combine-ftrunc.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (92 lines) | stat: -rw-r--r-- 3,754 bytes parent folder | download | duplicates (7)
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
; RUN: llc -mtriple=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s

; GCN-LABEL: {{^}}combine_ftrunc_frint_f64:
; GCN: v_rndne_f64_e32 [[RND:v\[[0-9:]+\]]],
; GCN: flat_store_dwordx2 v[{{[0-9:]+}}], [[RND]]
define amdgpu_kernel void @combine_ftrunc_frint_f64(ptr addrspace(1) %p) {
  %v = load double, ptr addrspace(1) %p, align 8
  %round = tail call double @llvm.rint.f64(double %v)
  %trunc = tail call double @llvm.trunc.f64(double %round)
  store double %trunc, ptr addrspace(1) %p, align 8
  ret void
}

; GCN-LABEL: {{^}}combine_ftrunc_frint_f32:
; GCN: v_rndne_f32_e32 [[RND:v[0-9]+]],
; GCN: flat_store_dword v[{{[0-9:]+}}], [[RND]]
define amdgpu_kernel void @combine_ftrunc_frint_f32(ptr addrspace(1) %p) {
  %v = load float, ptr addrspace(1) %p, align 4
  %round = tail call float @llvm.rint.f32(float %v)
  %trunc = tail call float @llvm.trunc.f32(float %round)
  store float %trunc, ptr addrspace(1) %p, align 4
  ret void
}

; GCN-LABEL: {{^}}combine_ftrunc_frint_v2f32:
; GCN: s_load_dwordx2
; GCN: s_load_dwordx2 s[[[SRC1:[0-9]+]]:[[SRC2:[0-9]+]]]
; GCN-DAG: v_rndne_f32_e32 v[[RND1:[0-9]+]], s[[SRC1]]
; GCN-DAG: v_rndne_f32_e32 v[[RND2:[0-9]+]], s[[SRC2]]
; GCN: flat_store_dwordx2 v[{{[0-9:]+}}], v[[[RND1]]:[[RND2]]]
define amdgpu_kernel void @combine_ftrunc_frint_v2f32(ptr addrspace(1) %p) {
  %v = load <2 x float>, ptr addrspace(1) %p, align 8
  %round = tail call <2 x float> @llvm.rint.v2f32(<2 x float> %v)
  %trunc = tail call <2 x float> @llvm.trunc.v2f32(<2 x float> %round)
  store <2 x float> %trunc, ptr addrspace(1) %p, align 8
  ret void
}

; GCN-LABEL: {{^}}combine_ftrunc_fceil_f32:
; GCN: v_ceil_f32_e32 [[RND:v[0-9]+]],
; GCN: flat_store_dword v[{{[0-9:]+}}], [[RND]]
define amdgpu_kernel void @combine_ftrunc_fceil_f32(ptr addrspace(1) %p) {
  %v = load float, ptr addrspace(1) %p, align 4
  %round = tail call float @llvm.ceil.f32(float %v)
  %trunc = tail call float @llvm.trunc.f32(float %round)
  store float %trunc, ptr addrspace(1) %p, align 4
  ret void
}

; GCN-LABEL: {{^}}combine_ftrunc_ffloor_f32:
; GCN: v_floor_f32_e32 [[RND:v[0-9]+]],
; GCN: flat_store_dword v[{{[0-9:]+}}], [[RND]]
define amdgpu_kernel void @combine_ftrunc_ffloor_f32(ptr addrspace(1) %p) {
  %v = load float, ptr addrspace(1) %p, align 4
  %round = tail call float @llvm.floor.f32(float %v)
  %trunc = tail call float @llvm.trunc.f32(float %round)
  store float %trunc, ptr addrspace(1) %p, align 4
  ret void
}

; GCN-LABEL: {{^}}combine_ftrunc_fnearbyint_f32:
; GCN: v_rndne_f32_e32 [[RND:v[0-9]+]],
; GCN: flat_store_dword v[{{[0-9:]+}}], [[RND]]
define amdgpu_kernel void @combine_ftrunc_fnearbyint_f32(ptr addrspace(1) %p) {
  %v = load float, ptr addrspace(1) %p, align 4
  %round = tail call float @llvm.nearbyint.f32(float %v)
  %trunc = tail call float @llvm.trunc.f32(float %round)
  store float %trunc, ptr addrspace(1) %p, align 4
  ret void
}

; GCN-LABEL: {{^}}combine_ftrunc_ftrunc_f32:
; GCN: s_load_dword [[SRC:s[0-9]+]],
; GCN: v_trunc_f32_e32 [[RND:v[0-9]+]], [[SRC]]
; GCN: flat_store_dword v[{{[0-9:]+}}], [[RND]]
define amdgpu_kernel void @combine_ftrunc_ftrunc_f32(ptr addrspace(1) %p) {
  %v = load float, ptr addrspace(1) %p, align 4
  %round = tail call float @llvm.trunc.f32(float %v)
  %trunc = tail call float @llvm.trunc.f32(float %round)
  store float %trunc, ptr addrspace(1) %p, align 4
  ret void
}

declare double @llvm.trunc.f64(double)
declare float @llvm.trunc.f32(float)
declare <2 x float> @llvm.trunc.v2f32(<2 x float>)
declare double @llvm.rint.f64(double)
declare float @llvm.rint.f32(float)
declare <2 x float> @llvm.rint.v2f32(<2 x float>)
declare float @llvm.ceil.f32(float)
declare float @llvm.floor.f32(float)
declare float @llvm.nearbyint.f32(float)