File: half.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 (75 lines) | stat: -rw-r--r-- 2,378 bytes parent folder | download | duplicates (2)
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
; RUN: llc < %s -march=nvptx | FileCheck %s
; RUN: %if ptxas %{ llc < %s -march=nvptx | %ptxas-verify %}

; CHECK: .b8 half_array[8] = {1, 2, 3, 4, 5, 6, 7, 8};
@"half_array" = addrspace(1) constant [4 x half]
                [half 0xH0201, half 0xH0403, half 0xH0605, half 0xH0807]

define void @test_load_store(ptr addrspace(1) %in, ptr addrspace(1) %out) {
; CHECK-LABEL: @test_load_store
; CHECK: ld.global.b16 [[TMP:%h[0-9]+]], [{{%r[0-9]+}}]
; CHECK: st.global.b16 [{{%r[0-9]+}}], [[TMP]]
  %val = load half, ptr addrspace(1) %in
  store half %val, ptr addrspace(1) %out
  ret void
}

define void @test_bitcast_from_half(ptr addrspace(1) %in, ptr addrspace(1) %out) {
; CHECK-LABEL: @test_bitcast_from_half
; CHECK: ld.global.b16 [[TMP:%h[0-9]+]], [{{%r[0-9]+}}]
; CHECK: st.global.b16 [{{%r[0-9]+}}], [[TMP]]
  %val = load half, ptr addrspace(1) %in
  %val_int = bitcast half %val to i16
  store i16 %val_int, ptr addrspace(1) %out
  ret void
}

define void @test_bitcast_to_half(ptr addrspace(1) %out, ptr addrspace(1) %in) {
; CHECK-LABEL: @test_bitcast_to_half
; CHECK: ld.global.u16 [[TMP:%rs[0-9]+]], [{{%r[0-9]+}}]
; CHECK: st.global.u16 [{{%r[0-9]+}}], [[TMP]]
  %val = load i16, ptr addrspace(1) %in
  %val_fp = bitcast i16 %val to half
  store half %val_fp, ptr addrspace(1) %out
  ret void
}

define void @test_extend32(ptr addrspace(1) %in, ptr addrspace(1) %out) {
; CHECK-LABEL: @test_extend32
; CHECK: cvt.f32.f16

  %val16 = load half, ptr addrspace(1) %in
  %val32 = fpext half %val16 to float
  store float %val32, ptr addrspace(1) %out
  ret void
}

define void @test_extend64(ptr addrspace(1) %in, ptr addrspace(1) %out) {
; CHECK-LABEL: @test_extend64
; CHECK: cvt.f64.f16

  %val16 = load half, ptr addrspace(1) %in
  %val64 = fpext half %val16 to double
  store double %val64, ptr addrspace(1) %out
  ret void
}

define void @test_trunc32(ptr addrspace(1) %in, ptr addrspace(1) %out) {
; CHECK-LABEL: test_trunc32
; CHECK: cvt.rn.f16.f32

  %val32 = load float, ptr addrspace(1) %in
  %val16 = fptrunc float %val32 to half
  store half %val16, ptr addrspace(1) %out
  ret void
}

define void @test_trunc64(ptr addrspace(1) %in, ptr addrspace(1) %out) {
; CHECK-LABEL: @test_trunc64
; CHECK: cvt.rn.f16.f64

  %val32 = load double, ptr addrspace(1) %in
  %val16 = fptrunc double %val32 to half
  store half %val16, ptr addrspace(1) %out
  ret void
}