; RUN: llc --verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown --spirv-ext=+SPV_KHR_non_semantic_info %s -o - | FileCheck %s
; RUN: %if spirv-tools %{ llc --verify-machineinstrs --spirv-ext=+SPV_KHR_non_semantic_info -O0 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %}

; DebugFunctionDefinition must follow function-local OpVariable instructions.

; CHECK-DAG: [[EXT:%[0-9]+]] = OpExtInstImport "NonSemantic.Shader.DebugInfo.100"
; CHECK-DAG: [[VOID:%[0-9]+]] = OpTypeVoid
; CHECK-DAG: [[DF:%[0-9]+]] = OpExtInst [[VOID]] [[EXT]] DebugFunction {{.*}}
; CHECK: [[FOO:%[0-9]+]] = OpFunction
; CHECK: OpVariable {{.*}} Function
; CHECK-NEXT: OpVariable {{.*}} Function
; CHECK-NEXT: OpExtInst [[VOID]] [[EXT]] DebugFunctionDefinition [[DF]] [[FOO]]

target triple = "spirv64-unknown-unknown"

define spir_func void @foo() !dbg !4 {
entry:
  %x = alloca i32, align 4
  %y = alloca i32, align 4
  store i32 0, ptr %x
  store i32 1, ptr %y
  ret void, !dbg !7
}

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!2, !3}

!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
!1 = !DIFile(filename: "debug-function-definition-after-opvariable.c", directory: "/src")
!2 = !{i32 7, !"Dwarf Version", i32 5}
!3 = !{i32 2, !"Debug Info Version", i32 3}

!4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0)
!5 = !DISubroutineType(types: !6)
!6 = !{null}
!7 = !DILocation(line: 2, column: 1, scope: !4)