File: buffer-schedule.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (53 lines) | stat: -rw-r--r-- 2,943 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
; RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx803 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN %s
; RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN %s

; The buffer_loads and buffer_stores all access the same location. Check they do
; not get reordered by the scheduler.

; GCN-LABEL: {{^}}_amdgpu_cs_main:
; GCN: buffer_load_dword
; GCN: buffer_store_dword
; GCN: buffer_load_dword
; GCN: buffer_store_dword
; GCN: buffer_load_dword
; GCN: buffer_store_dword
; GCN: buffer_load_dword
; GCN: buffer_store_dword

; Function Attrs: nounwind
define amdgpu_cs void @_amdgpu_cs_main(<3 x i32> inreg %arg3, <3 x i32> %arg5) {
.entry:
  %tmp9 = add <3 x i32> %arg3, %arg5
  %tmp10 = extractelement <3 x i32> %tmp9, i32 0
  %tmp11 = shl i32 %tmp10, 2
  %tmp12 = inttoptr i64 undef to <4 x i32> addrspace(4)*
  %tmp13 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp12, align 16
  %tmp14 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %tmp13, i32 0, i32 %tmp11, i1 false, i1 false) #0
  %tmp17 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp12, align 16
  call void @llvm.amdgcn.buffer.store.f32(float %tmp14, <4 x i32> %tmp17, i32 0, i32 %tmp11, i1 false, i1 false) #0
  %tmp20 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp12, align 16
  %tmp21 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %tmp20, i32 0, i32 %tmp11, i1 false, i1 false) #0
  %tmp22 = fadd reassoc nnan arcp contract float %tmp21, 1.000000e+00
  call void @llvm.amdgcn.buffer.store.f32(float %tmp22, <4 x i32> %tmp20, i32 0, i32 %tmp11, i1 false, i1 false) #0
  %tmp25 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp12, align 16
  %tmp26 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %tmp25, i32 0, i32 %tmp11, i1 false, i1 false) #0
  %tmp27 = fadd reassoc nnan arcp contract float %tmp26, 1.000000e+00
  call void @llvm.amdgcn.buffer.store.f32(float %tmp27, <4 x i32> %tmp25, i32 0, i32 %tmp11, i1 false, i1 false) #0
  %tmp30 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp12, align 16
  %tmp31 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %tmp30, i32 0, i32 %tmp11, i1 false, i1 false) #0
  %tmp32 = fadd reassoc nnan arcp contract float %tmp31, 1.000000e+00
  call void @llvm.amdgcn.buffer.store.f32(float %tmp32, <4 x i32> %tmp30, i32 0, i32 %tmp11, i1 false, i1 false) #0
  %tmp35 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp12, align 16
  %tmp36 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %tmp35, i32 0, i32 %tmp11, i1 false, i1 false) #0
  %tmp37 = fadd reassoc nnan arcp contract float %tmp36, 1.000000e+00
  call void @llvm.amdgcn.buffer.store.f32(float %tmp37, <4 x i32> %tmp35, i32 0, i32 %tmp11, i1 false, i1 false) #0
  ret void
}

declare float @llvm.amdgcn.buffer.load.f32(<4 x i32>, i32, i32, i1, i1) #2

declare void @llvm.amdgcn.buffer.store.f32(float, <4 x i32>, i32, i32, i1, i1) #3

attributes #2 = { nounwind readonly }
attributes #3 = { nounwind writeonly }