llvm/test/CodeGen/SPIRV/function/trivial-function-with-attributes.ll

; RUN: llc -verify-machineinstrs -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 %}

;; FIXME: Are there any attributes that would make the IR invalid for SPIR-V?

;; Names:
; CHECK-DAG: OpName %[[#FN1:]] "fn1"
; CHECK-DAG: OpName %[[#FN2:]] "fn2"
; CHECK-DAG: OpName %[[#FN3:]] "fn3"
; CHECK-DAG: OpName %[[#FN4:]] "fn4"
; CHECK-DAG: OpName %[[#FN5:]] "fn5"
; CHECK-DAG: OpName %[[#FN6:]] "fn6"
; CHECK-DAG: OpName %[[#FN7:]] "fn7"
; CHECK-DAG: OpName %[[#FN8:]] "fn8"
; CHECK-DAG: OpName %[[#FN9:]] "fn9"

;; Types:
; CHECK:     %[[#VOID:]] = OpTypeVoid
; CHECK:     %[[#FN:]] = OpTypeFunction %[[#VOID]]


;; Functions:

define void @fn1() noinline {
  ret void
}
; CHECK:     %[[#FN1]] = OpFunction %[[#VOID]] DontInline %[[#FN]]
; CHECK-NOT: OpFunctionParameter
; CHECK:     OpFunctionEnd


attributes #0 = { noinline }
define void @fn2() #0 {
  ret void
}
; CHECK: %[[#FN2]] = OpFunction %[[#VOID]] DontInline %[[#FN]]
; CHECK: OpFunctionEnd


define void @fn3() alwaysinline {
  ret void
}
; CHECK: %[[#FN3]] = OpFunction %[[#VOID]] Inline %[[#FN]]
; CHECK: OpFunctionEnd


;; NOTE: inlinehint is not an actual requirement.
define void @fn4() inlinehint {
  ret void
}
; CHECK: %[[#FN4]] = OpFunction %[[#VOID]] None %[[#FN]]
; CHECK: OpFunctionEnd


define void @fn5() readnone {
  ret void
}
; CHECK: %[[#FN5]] = OpFunction %[[#VOID]] Pure %[[#FN]]
; CHECK: OpFunctionEnd


define void @fn6() memory(none) {
  ret void
}
; CHECK: %[[#FN6]] = OpFunction %[[#VOID]] Pure %[[#FN]]
; CHECK: OpFunctionEnd


define void @fn7() readonly {
  ret void
}
; CHECK: %[[#FN7]] = OpFunction %[[#VOID]] Const %[[#FN]]
; CHECK: OpFunctionEnd


define void @fn8() memory(read) {
  ret void
}
; CHECK: %[[#FN8]] = OpFunction %[[#VOID]] Const %[[#FN]]
; CHECK: OpFunctionEnd


define void @fn9() alwaysinline readnone {
  ret void
}
; CHECK: %[[#FN9]] = OpFunction %[[#VOID]] Inline|Pure %[[#FN]]
; CHECK: OpFunctionEnd