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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s --data-layout "e" -dse -enable-dse-partial-store-merging=true -S | FileCheck --check-prefix CHECK --check-prefix CHECK-LE %s
; RUN: opt < %s --data-layout "E" -dse -enable-dse-partial-store-merging=true -S | FileCheck --check-prefix CHECK --check-prefix CHECK-BE %s

; This test used to hit an assertion (see PR41949).
;
; Better safe than sorry, do not assume anything about the padding for the
; i28 store that has 32 bits as store size.
define void @test1(i32* %p) {
; CHECK-LABEL: @test1(
; CHECK-NEXT:    [[A:%.*]] = alloca i32
; CHECK-NEXT:    [[B:%.*]] = bitcast i32* [[A]] to i28*
; CHECK-NEXT:    [[C:%.*]] = bitcast i32* [[A]] to { i16, i16 }*
; CHECK-NEXT:    [[C1:%.*]] = getelementptr inbounds { i16, i16 }, { i16, i16 }* [[C]], i32 0, i32 1
; CHECK-NEXT:    store i28 10, i28* [[B]]
; CHECK-NEXT:    store i16 20, i16* [[C1]]
; CHECK-NEXT:    call void @test1(i32* [[A]])
; CHECK-NEXT:    ret void
;
  %a = alloca i32
  %b = bitcast i32* %a to i28*
  %c = bitcast i32* %a to { i16, i16 }*
  %c1 = getelementptr inbounds { i16, i16 }, { i16, i16 }* %c, i32 0, i32 1
  store i28 10, i28* %b
  store i16 20, i16* %c1

  call void @test1(i32* %a)
  ret void
}


; This test used to mis-compile (see PR41949).
;
; Better safe than sorry, do not assume anything about the padding for the
; i12 store that has 16 bits as store size.
define void @test2(i32* %p) {
; CHECK-LABEL: @test2(
; CHECK-NEXT:    [[U:%.*]] = alloca i32
; CHECK-NEXT:    [[A:%.*]] = bitcast i32* [[U]] to i32*
; CHECK-NEXT:    [[B:%.*]] = bitcast i32* [[U]] to i12*
; CHECK-NEXT:    store i32 -1, i32* [[A]]
; CHECK-NEXT:    store i12 20, i12* [[B]]
; CHECK-NEXT:    call void @test2(i32* [[U]])
; CHECK-NEXT:    ret void
;
  %u = alloca i32
  %a = bitcast i32* %u to i32*
  %b = bitcast i32* %u to i12*
  store i32 -1, i32* %a
  store i12 20, i12* %b

  call void @test2(i32* %u)
  ret void
}