llvm/test/CodeGen/DirectX/CBufferAccess/float.ll

; RUN: opt -S -dxil-cbuffer-access -mtriple=dxil--shadermodel6.3-library %s | FileCheck %s

%__cblayout_CB = type <{ float }>

@CB.cb = local_unnamed_addr global target("dx.CBuffer", target("dx.Layout", %__cblayout_CB, 4, 0)) poison
; CHECK: @CB.cb =
; CHECK-NOT: external {{.*}} addrspace(2) global
@x = external local_unnamed_addr addrspace(2) global float, align 4

; CHECK: define void @f
define void @f(ptr %dst) {
entry:
  ; CHECK: [[CB:%.*]] = load target("dx.CBuffer", {{.*}})), ptr @CB.cb
  ; CHECK: [[LOAD:%.*]] = call { float, float, float, float } @llvm.dx.resource.load.cbufferrow.4.{{.*}}(target("dx.CBuffer", {{.*}})) [[CB]], i32 0)
  ; CHECK: [[X:%.*]] = extractvalue { float, float, float, float } [[LOAD]], 0
  ; CHECK: store float [[X]], ptr %dst
  %x = load float, ptr addrspace(2) @x, align 4
  store float %x, ptr %dst, align 4
  ret void
}

; CHECK-NOT: !hlsl.cbs =
!hlsl.cbs = !{!0}

!0 = !{ptr @CB.cb, ptr addrspace(2) @x}