File: load-constant-f32.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 (37 lines) | stat: -rw-r--r-- 2,051 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
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s

; Tests whether a load chain of 8 constants gets vectorized into a wider load.
; FUNC-LABEL: {{^}}constant_load_v8f32:
; GCN: s_load_dwordx8
; EG: VTX_READ_128
; EG: VTX_READ_128
define amdgpu_kernel void @constant_load_v8f32(float addrspace(4)* noalias nocapture readonly %weights, float addrspace(1)* noalias nocapture %out_ptr) {
entry:
  %out_ptr.promoted = load float, float addrspace(1)* %out_ptr, align 4
  %tmp = load float, float addrspace(4)* %weights, align 4
  %add = fadd float %tmp, %out_ptr.promoted
  %arrayidx.1 = getelementptr inbounds float, float addrspace(4)* %weights, i64 1
  %tmp1 = load float, float addrspace(4)* %arrayidx.1, align 4
  %add.1 = fadd float %tmp1, %add
  %arrayidx.2 = getelementptr inbounds float, float addrspace(4)* %weights, i64 2
  %tmp2 = load float, float addrspace(4)* %arrayidx.2, align 4
  %add.2 = fadd float %tmp2, %add.1
  %arrayidx.3 = getelementptr inbounds float, float addrspace(4)* %weights, i64 3
  %tmp3 = load float, float addrspace(4)* %arrayidx.3, align 4
  %add.3 = fadd float %tmp3, %add.2
  %arrayidx.4 = getelementptr inbounds float, float addrspace(4)* %weights, i64 4
  %tmp4 = load float, float addrspace(4)* %arrayidx.4, align 4
  %add.4 = fadd float %tmp4, %add.3
  %arrayidx.5 = getelementptr inbounds float, float addrspace(4)* %weights, i64 5
  %tmp5 = load float, float addrspace(4)* %arrayidx.5, align 4
  %add.5 = fadd float %tmp5, %add.4
  %arrayidx.6 = getelementptr inbounds float, float addrspace(4)* %weights, i64 6
  %tmp6 = load float, float addrspace(4)* %arrayidx.6, align 4
  %add.6 = fadd float %tmp6, %add.5
  %arrayidx.7 = getelementptr inbounds float, float addrspace(4)* %weights, i64 7
  %tmp7 = load float, float addrspace(4)* %arrayidx.7, align 4
  %add.7 = fadd float %tmp7, %add.6
  store float %add.7, float addrspace(1)* %out_ptr, align 4
  ret void
}