test/tools/dxil-dis/opaque-pointers.ll

; RUN: llc --filetype=obj %s -o - | dxil-dis -o - | FileCheck %s
target triple = "dxil-unknown-unknown"

define i64 @test(ptr %p) {
  store i32 0, ptr %p
  %v = load i64, ptr %p
  ret i64 %v
}

; CHECK: define i64 @test(i8* %p) {
; CHECK-NEXT: %1 = bitcast i8* %p to i32*
; CHECK-NEXT: store i32 0, i32* %1, align 4
; CHECK-NEXT: %2 = bitcast i8* %p to i64*
; CHECK-NEXT: %3 = load i64, i64* %2, align 8

define i64 @test2(ptr %p) {
  store i64 0, ptr %p
  %v = load i64, ptr %p
  ret i64 %v
}

; CHECK: define i64 @test2(i64* %p) {
; CHECK-NEXT: store i64 0, i64* %p, align 8
; CHECK-NEXT: %v = load i64, i64* %p, align 8

define i64 @test3(ptr addrspace(1) %p) {
  store i32 0, ptr addrspace(1) %p
  %v = load i64, ptr addrspace(1) %p
  ret i64 %v
}

; CHECK: define i64 @test3(i8 addrspace(1)* %p) {
; CHECK-NEXT: %1 = bitcast i8 addrspace(1)* %p to i32 addrspace(1)*
; CHECK-NEXT: store i32 0, i32 addrspace(1)* %1, align 4
; CHECK-NEXT: %2 = bitcast i8 addrspace(1)* %p to i64 addrspace(1)*
; CHECK-NEXT: %3 = load i64, i64 addrspace(1)* %2, align 8

define i64 @test4(ptr addrspace(1) %p) {
  store i64 0, ptr addrspace(1) %p
  %v = load i64, ptr addrspace(1) %p
  ret i64 %v
}

; CHECK: define i64 @test4(i64 addrspace(1)* %p) {
; CHECK-NEXT: store i64 0, i64 addrspace(1)* %p, align 8
; CHECK-NEXT: %v = load i64, i64 addrspace(1)* %p, align 8


define i64 @test5(ptr %p) {
  %casted = addrspacecast ptr %p to ptr addrspace(1)
  store i64 0, ptr addrspace(1) %casted
  %v = load i64, ptr addrspace(1) %casted
  ret i64 %v
}

; CHECK: define i64 @test5(i8* %p) {
; CHECK-NEXT: %casted = addrspacecast i8* %p to i64 addrspace(1)*
; CHECK-NEXT: store i64 0, i64 addrspace(1)* %casted, align 8
; CHECK-NEXT: %v = load i64, i64 addrspace(1)* %casted, align 8