llvm/test/CodeGen/AMDGPU/load-global-f64.ll

   1 ; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -verify-machineinstrs < %s | FileCheck --check-prefixes=GCN-NOHSA,FUNC %s
   2 ; RUN:  llc -amdgpu-scalarize-global-loads=false  -mtriple=amdgcn-amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck --check-prefixes=GCN-HSA,FUNC %s
   3 ; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck --check-prefixes=GCN-NOHSA,FUNC %s
   4
   5 ; FUNC-LABEL: {{^}}global_load_f64:
   6 ; GCN-NOHSA: buffer_load_dwordx2 [[VAL:v\[[0-9]+:[0-9]+\]]]
   7 ; GCN-NOHSA: buffer_store_dwordx2 [[VAL]]
   8
   9 ; GCN-HSA: flat_load_dwordx2 [[VAL:v\[[0-9]+:[0-9]+\]]]
  10 ; GCN-HSA: flat_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, [[VAL]]
  11 define amdgpu_kernel void @global_load_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
  12   %ld = load double, double addrspace(1)* %in
  13   store double %ld, double addrspace(1)* %out
  14   ret void
  15 }
  16
  17 ; FUNC-LABEL: {{^}}global_load_v2f64:
  18 ; GCN-NOHSA: buffer_load_dwordx4
  19 ; GCN-HSA: flat_load_dwordx4
  20 define amdgpu_kernel void @global_load_v2f64(<2 x double> addrspace(1)* %out, <2 x double> addrspace(1)* %in) #0 {
  21 entry:
  22   %ld = load <2 x double>, <2 x double> addrspace(1)* %in
  23   store <2 x double> %ld, <2 x double> addrspace(1)* %out
  24   ret void
  25 }
  26
  27 ; FUNC-LABEL: {{^}}global_load_v3f64:
  28 ; GCN-NOHSA-DAG: buffer_load_dwordx4
  29 ; GCN-NOHSA-DAG: buffer_load_dwordx2
  30 ; GCN-HSA-DAG: flat_load_dwordx4
  31 ; GCN-HSA-DAG: flat_load_dwordx2
  32 define amdgpu_kernel void @global_load_v3f64(<3 x double> addrspace(1)* %out, <3 x double> addrspace(1)* %in) #0 {
  33 entry:
  34   %ld = load <3 x double>, <3 x double> addrspace(1)* %in
  35   store <3 x double> %ld, <3 x double> addrspace(1)* %out
  36   ret void
  37 }
  38
  39 ; FUNC-LABEL: {{^}}global_load_v4f64:
  40 ; GCN-NOHSA: buffer_load_dwordx4
  41 ; GCN-NOHSA: buffer_load_dwordx4
  42
  43 ; GCN-HSA: flat_load_dwordx4
  44 ; GCN-HSA: flat_load_dwordx4
  45 define amdgpu_kernel void @global_load_v4f64(<4 x double> addrspace(1)* %out, <4 x double> addrspace(1)* %in) #0 {
  46 entry:
  47   %ld = load <4 x double>, <4 x double> addrspace(1)* %in
  48   store <4 x double> %ld, <4 x double> addrspace(1)* %out
  49   ret void
  50 }
  51
  52 ; FUNC-LABEL: {{^}}global_load_v8f64:
  53 ; GCN-NOHSA: buffer_load_dwordx4
  54 ; GCN-NOHSA: buffer_load_dwordx4
  55 ; GCN-NOHSA: buffer_load_dwordx4
  56 ; GCN-NOHSA: buffer_load_dwordx4
  57
  58 ; GCN-HSA: flat_load_dwordx4
  59 ; GCN-HSA: flat_load_dwordx4
  60 ; GCN-HSA: flat_load_dwordx4
  61 ; GCN-HSA: flat_load_dwordx4
  62 define amdgpu_kernel void @global_load_v8f64(<8 x double> addrspace(1)* %out, <8 x double> addrspace(1)* %in) #0 {
  63 entry:
  64   %ld = load <8 x double>, <8 x double> addrspace(1)* %in
  65   store <8 x double> %ld, <8 x double> addrspace(1)* %out
  66   ret void
  67 }
  68
  69 ; FUNC-LABEL: {{^}}global_load_v16f64:
  70 ; GCN-NOHSA: buffer_load_dwordx4
  71 ; GCN-NOHSA: buffer_load_dwordx4
  72 ; GCN-NOHSA: buffer_load_dwordx4
  73 ; GCN-NOHSA: buffer_load_dwordx4
  74 ; GCN-NOHSA: buffer_load_dwordx4
  75 ; GCN-NOHSA: buffer_load_dwordx4
  76 ; GCN-NOHSA: buffer_load_dwordx4
  77 ; GCN-NOHSA: buffer_load_dwordx4
  78
  79 ; GCN-HSA: flat_load_dwordx4
  80 ; GCN-HSA: flat_load_dwordx4
  81 ; GCN-HSA: flat_load_dwordx4
  82 ; GCN-HSA: flat_load_dwordx4
  83 ; GCN-HSA: flat_load_dwordx4
  84 ; GCN-HSA: flat_load_dwordx4
  85 ; GCN-HSA: flat_load_dwordx4
  86 ; GCN-HSA: flat_load_dwordx4
  87 define amdgpu_kernel void @global_load_v16f64(<16 x double> addrspace(1)* %out, <16 x double> addrspace(1)* %in) #0 {
  88 entry:
  89   %ld = load <16 x double>, <16 x double> addrspace(1)* %in
  90   store <16 x double> %ld, <16 x double> addrspace(1)* %out
  91   ret void
  92 }
  93
  94 attributes #0 = { nounwind }