File: literals.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (64 lines) | stat: -rw-r--r-- 1,955 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
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s

; Test using an integer literal constant.
; Generated ASM should be:
; ADD_INT KC0[2].Z literal.x, 5
; or
; ADD_INT literal.x KC0[2].Z, 5

; CHECK: {{^}}i32_literal:
; CHECK: LSHR
; CHECK-NEXT: ADD_INT * {{\** *}}T{{[0-9]\.[XYZW]}}, KC0[2].Z, literal.y
; CHECK-NEXT: 5
define amdgpu_kernel void @i32_literal(ptr addrspace(1) %out, i32 %in) {
entry:
  %0 = add i32 5, %in
  store i32 %0, ptr addrspace(1) %out
  ret void
}

; Test using a float literal constant.
; Generated ASM should be:
; ADD KC0[2].Z literal.x, 5.0
; or
; ADD literal.x KC0[2].Z, 5.0

; CHECK: {{^}}float_literal:
; CHECK: LSHR
; CHECK-NEXT: ADD * {{\** *}}T{{[0-9]\.[XYZW]}}, KC0[2].Z, literal.y
; CHECK-NEXT: 1084227584(5.0
define amdgpu_kernel void @float_literal(ptr addrspace(1) %out, float %in) {
entry:
  %0 = fadd float 5.0, %in
  store float %0, ptr addrspace(1) %out
  ret void
}

; Make sure inline literals are folded into REG_SEQUENCE instructions.
; CHECK: {{^}}inline_literal_reg_sequence:
; CHECK: MOV {{\** *}}T[[GPR:[0-9]]].X, 0.0
; CHECK-NEXT: MOV {{\** *}}T[[GPR]].Y, 0.0
; CHECK-NEXT: MOV {{\** *}}T[[GPR]].Z, 0.0
; CHECK-NEXT: MOV {{\** *}}T[[GPR]].W, 0.0

define amdgpu_kernel void @inline_literal_reg_sequence(ptr addrspace(1) %out) {
entry:
  store <4 x i32> <i32 0, i32 0, i32 0, i32 0>, ptr addrspace(1) %out
  ret void
}

; CHECK: {{^}}inline_literal_dot4:
; CHECK: DOT4 T[[GPR:[0-9]]].X, 1.0
; CHECK-NEXT: DOT4 T[[GPR]].Y (MASKED), 1.0
; CHECK-NEXT: DOT4 T[[GPR]].Z (MASKED), 1.0
; CHECK-NEXT: DOT4 * T[[GPR]].W (MASKED), 1.0
define amdgpu_kernel void @inline_literal_dot4(ptr addrspace(1) %out) {
entry:
  %0 = call float @llvm.r600.dot4(<4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>)
  store float %0, ptr addrspace(1) %out
  ret void
}

declare float @llvm.r600.dot4(<4 x float>, <4 x float>) #1

attributes #1 = { readnone }