File: undef-nested-composite-store.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s

; CHECK-DAG: %[[#I32:]] = OpTypeInt 32
; CHECK-DAG: %[[#I16:]] = OpTypeInt 16
; CHECK-DAG: %[[#STRUCT:]] = OpTypeStruct %[[#I32]] %[[#I16]]
; CHECK-DAG: %[[#NESTED_STRUCT:]] = OpTypeStruct %[[#STRUCT]] %[[#I16]]
; CHECK-DAG: %[[#UNDEF:]] = OpUndef %[[#NESTED_STRUCT]]

; CHECK: %[[#]] = OpFunction %[[#]] None %[[#]]
; CHECK-NEXT: %[[#PTR:]] = OpFunctionParameter %[[#]]
; CHECK-NEXT: %[[#]] = OpLabel
; CHECK-NEXT: OpStore %[[#PTR]] %[[#UNDEF]] Aligned 4
; CHECK-NEXT: OpReturn
; CHECK-NEXT: OpFunctionEnd

%struct = type {
  i32,
  i16
}

%nested_struct = type {
  %struct,
  i16
}

define void @foo(ptr %ptr) {
  store %nested_struct undef, ptr %ptr
  ret void
}