reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    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
   76
;RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck -check-prefix=VERDE %s
;RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s

;CHECK-LABEL: {{^}}buffer_store:
;CHECK-NOT: s_waitcnt
;CHECK: buffer_store_format_xyzw v[0:3], off, s[0:3], 0
;CHECK: buffer_store_format_xyzw v[4:7], off, s[0:3], 0 glc
;CHECK: buffer_store_format_xyzw v[8:11], off, s[0:3], 0 slc
define amdgpu_ps void @buffer_store(<4 x i32> inreg, <4 x float>, <4 x float>, <4 x float>) {
main_body:
  call void @llvm.amdgcn.raw.buffer.store.format.v4f32(<4 x float> %1, <4 x i32> %0, i32 0, i32 0, i32 0)
  call void @llvm.amdgcn.raw.buffer.store.format.v4f32(<4 x float> %2, <4 x i32> %0, i32 0, i32 0, i32 1)
  call void @llvm.amdgcn.raw.buffer.store.format.v4f32(<4 x float> %3, <4 x i32> %0, i32 0, i32 0, i32 2)
  ret void
}

;CHECK-LABEL: {{^}}buffer_store_immoffs:
;CHECK-NOT: s_waitcnt
;CHECK: buffer_store_format_xyzw v[0:3], off, s[0:3], 0 offset:42
define amdgpu_ps void @buffer_store_immoffs(<4 x i32> inreg, <4 x float>) {
main_body:
  call void @llvm.amdgcn.raw.buffer.store.format.v4f32(<4 x float> %1, <4 x i32> %0, i32 42, i32 0, i32 0)
  ret void
}

;CHECK-LABEL: {{^}}buffer_store_ofs:
;CHECK-NOT: s_waitcnt
;CHECK: buffer_store_format_xyzw v[0:3], v4, s[0:3], 0 offen
define amdgpu_ps void @buffer_store_ofs(<4 x i32> inreg, <4 x float>, i32) {
main_body:
  call void @llvm.amdgcn.raw.buffer.store.format.v4f32(<4 x float> %1, <4 x i32> %0, i32 %2, i32 0, i32 0)
  ret void
}

; Ideally, the register allocator would avoid the wait here
;
;CHECK-LABEL: {{^}}buffer_store_wait:
;CHECK-NOT: s_waitcnt
;CHECK: buffer_store_format_xyzw v[0:3], v4, s[0:3], 0 offen
;VERDE: s_waitcnt expcnt(0)
;CHECK: buffer_load_format_xyzw v[0:3], v5, s[0:3], 0 offen
;CHECK: s_waitcnt vmcnt(0)
;CHECK: buffer_store_format_xyzw v[0:3], v6, s[0:3], 0 offen
define amdgpu_ps void @buffer_store_wait(<4 x i32> inreg, <4 x float>, i32, i32, i32) {
main_body:
  call void @llvm.amdgcn.raw.buffer.store.format.v4f32(<4 x float> %1, <4 x i32> %0, i32 %2, i32 0, i32 0)
  %data = call <4 x float> @llvm.amdgcn.raw.buffer.load.format.v4f32(<4 x i32> %0, i32 %3, i32 0, i32 0)
  call void @llvm.amdgcn.raw.buffer.store.format.v4f32(<4 x float> %data, <4 x i32> %0, i32 %4, i32 0, i32 0)
  ret void
}

;CHECK-LABEL: {{^}}buffer_store_x1:
;CHECK-NOT: s_waitcnt
;CHECK: buffer_store_format_x v0, v1, s[0:3], 0 offen
define amdgpu_ps void @buffer_store_x1(<4 x i32> inreg %rsrc, float %data, i32 %offset) {
main_body:
  call void @llvm.amdgcn.raw.buffer.store.format.f32(float %data, <4 x i32> %rsrc, i32 %offset, i32 0, i32 0)
  ret void
}

;CHECK-LABEL: {{^}}buffer_store_x2:
;CHECK-NOT: s_waitcnt
;CHECK: buffer_store_format_xy v[0:1], v2, s[0:3], 0 offen
define amdgpu_ps void @buffer_store_x2(<4 x i32> inreg %rsrc, <2 x float> %data, i32 %offset) {
main_body:
  call void @llvm.amdgcn.raw.buffer.store.format.v2f32(<2 x float> %data, <4 x i32> %rsrc, i32 %offset, i32 0, i32 0)
  ret void
}

declare void @llvm.amdgcn.raw.buffer.store.format.f32(float, <4 x i32>, i32, i32, i32) #0
declare void @llvm.amdgcn.raw.buffer.store.format.v2f32(<2 x float>, <4 x i32>, i32, i32, i32) #0
declare void @llvm.amdgcn.raw.buffer.store.format.v4f32(<4 x float>, <4 x i32>, i32, i32, i32) #0
declare <4 x float> @llvm.amdgcn.raw.buffer.load.format.v4f32(<4 x i32>, i32, i32, i32) #1

attributes #0 = { nounwind }
attributes #1 = { nounwind readonly }