; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32-unknown-unknown %s -o - -filetype=obj | spirv-val %}

; CHECK-DAG: OpDecorate %[[#Memset_p0i32:]] LinkageAttributes "spirv.llvm_memset_p0_i32" Export
; CHECK-DAG: OpDecorate %[[#Memset_p3i32:]] LinkageAttributes "spirv.llvm_memset_p3_i32" Export
; CHECK-DAG: OpDecorate %[[#Memset_p1i64:]] LinkageAttributes "spirv.llvm_memset_p1_i64" Export
; CHECK-DAG: OpDecorate %[[#Memset_p1i64:]] LinkageAttributes "spirv.llvm_memset_p1_i64.volatile" Export

; CHECK-DAG: %[[#Int8:]] = OpTypeInt 8 0
; CHECK-DAG: %[[#Int32:]] = OpTypeInt 32 0
; CHECK-DAG: %[[#Int64:]] = OpTypeInt 64 0
; CHECK-DAG: %[[#Void:]] = OpTypeVoid
; CHECK-DAG: %[[#Int8Ptr:]] = OpTypePointer Generic %[[#Int8]]

; CHECK-DAG: %[[#Const4:]] = OpConstant %[[#Int32]] 4
; CHECK-DAG: %[[#Int8x4:]] = OpTypeArray %[[#Int8]] %[[#Const4]]

; CHECK-DAG: %[[#Const12:]] = OpConstant %[[#Int32]] 12
; CHECK-DAG: %[[#Int8x12:]] = OpTypeArray %[[#Int8]] %[[#Const12]]

; CHECK-DAG: %[[#Const21:]] = OpConstant %[[#Int8]] 21
; CHECK-DAG: %[[#False:]] = OpConstantFalse %[[#]]
; CHECK-DAG: %[[#ConstComp:]] = OpConstantComposite %[[#Int8x4]] %[[#Const21]] %[[#Const21]] %[[#Const21]] %[[#Const21]]
; CHECK-DAG: %[[#ConstNull:]] = OpConstantNull %[[#Int8x12]]
; CHECK-DAG: %[[#VarComp:]] = OpVariable %[[#]] UniformConstant %[[#ConstComp]]
; CHECK-DAG: %[[#VarNull:]] = OpVariable %[[#]] UniformConstant %[[#ConstNull]]

; CHECK-DAG: %[[#Int8PtrConst:]] = OpTypePointer UniformConstant %[[#Int8]]
; CHECK: OpCopyMemorySized %[[#Target:]] %[[#Source:]] %[[#Const12]] Aligned 4

; CHECK: %[[#SourceComp:]] = OpBitcast %[[#Int8PtrConst]] %[[#VarComp]]
; CHECK: OpCopyMemorySized %[[#]] %[[#SourceComp]] %[[#Const4]] Aligned 4

; CHECK-SPIRV: %[[#]] = OpFunctionCall %[[#]] %[[#Memset_p0i32]] %[[#]] %[[#]] %[[#]] %[[#False]]

; CHECK: %[[#Memset_p0i32]] = OpFunction %[[#]]
; CHECK: %[[#Dest:]] = OpFunctionParameter %[[#]]
; CHECK: %[[#Value:]] = OpFunctionParameter %[[#]]
; CHECK: %[[#Len:]] = OpFunctionParameter %[[#]]
; CHECK: %[[#Volatile:]] = OpFunctionParameter %[[#]]

; CHECK: %[[#Entry:]] = OpLabel
; CHECK: %[[#IsNonZeroLen:]] = OpINotEqual %[[#]] %[[#Len]] %[[#Zero:]]
; CHECK: OpBranchConditional %[[#IsNonZeroLen]] %[[#Preheader:]] %[[#End:]]

; CHECK: %[[#Preheader]] = OpLabel
; CHECK: OpBranch %[[#WhileBody:]]

; CHECK: %[[#WhileBody]] = OpLabel
; CHECK: %[[#Offset:]] = OpPhi %[[#]] %[[#OffsetInc:]] %[[#WhileBody]] %[[#Zero]] %[[#Preheader]]
; CHECK: %[[#Ptr:]] = OpInBoundsPtrAccessChain %[[#]] %[[#Dest]] %[[#Offset]]
; CHECK: OpStore %[[#Ptr]] %[[#Value]] Aligned 1
; CHECK: %[[#OffsetInc]] = OpIAdd %[[#]] %[[#Offset]] %[[#One:]]
; CHECK: %[[#NotEnd:]] = OpULessThan %[[#]] %[[#OffsetInc]] %[[#Len]]
; CHECK: OpBranchConditional %[[#NotEnd]] %[[#WhileBody]] %[[#LoopExit:]]

; CHECK: %[[#LoopExit]] = OpLabel
; CHECK: OpBranch %[[#End]]

; CHECK: %[[#End]] = OpLabel
; CHECK: OpReturn

; CHECK: OpFunctionEnd

%struct.S1 = type { i32, i32, i32 }

define spir_func void @_Z5foo11v(ptr addrspace(4) noalias nocapture sret(ptr addrspace(4)) %agg.result, i32 %s1, i64 %s2, i8 %v) {
  %x = alloca [4 x i8]
  %x.bc = bitcast ptr %x to ptr
  %a = bitcast ptr addrspace(4) %agg.result to ptr addrspace(4)
  tail call void @llvm.memset.p4.i32(ptr addrspace(4) align 4 %a, i8 0, i32 12, i1 false)
  tail call void @llvm.memset.p0.i32(ptr align 4 %x.bc, i8 21, i32 4, i1 false)

  ;; non-const value
  tail call void @llvm.memset.p0.i32(ptr align 4 %x.bc, i8 %v, i32 3, i1 false)

  ;; non-const value and size
  tail call void @llvm.memset.p0.i32(ptr  align 4 %x.bc, i8 %v, i32 %s1, i1 false)

  ;; Address spaces, non-const value and size
  %b = addrspacecast ptr addrspace(4) %a to ptr addrspace(3)
  tail call void @llvm.memset.p3.i32(ptr addrspace(3) align 4 %b, i8 %v, i32 %s1, i1 false)
  %c = addrspacecast ptr addrspace(4) %a to ptr addrspace(1)
  tail call void @llvm.memset.p1.i64(ptr addrspace(1) align 4 %c, i8 %v, i64 %s2, i1 false)

  ;; Volatile
  tail call void @llvm.memset.p1.i64(ptr addrspace(1) align 4 %c, i8 %v, i64 %s2, i1 true)
  ret void
}

declare void @llvm.memset.p4.i32(ptr addrspace(4) nocapture, i8, i32, i1)

declare void @llvm.memset.p0.i32(ptr nocapture, i8, i32, i1)

declare void @llvm.memset.p3.i32(ptr addrspace(3), i8, i32, i1)

declare void @llvm.memset.p1.i64(ptr addrspace(1), i8, i64, i1)