llvm/test/Other/force-opaque-ptrs.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
; RUN: llvm-as < %s | llvm-dis | FileCheck %s
; RUN: opt < %s -S | FileCheck %s
; RUN: verify-uselistorder < %s

%ty = type ptr

; CHECK: @g = external global i16
@g = external global i16

; CHECK: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 1, ptr null, ptr null }]
@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 1, ptr null, ptr null }]

; CHECK: @ga = alias i18, ptr @g2
@g2 = global i18 0
@ga = alias i18, ptr @g2

; CHECK: @ga2 = alias i19, ptr @g2
@ga2 = alias i19, ptr @g2

; CHECK: @gi = ifunc i20 (), ptr @resolver
@gi = ifunc i20 (), ptr @resolver


define ptr @resolver() {
  %load = load i32, ptr @g.fwd
  %ptr = inttoptr i32 %load to ptr
  ret ptr %ptr
}

define void @f(ptr %p) {
; CHECK-LABEL: define {{[^@]+}}@f
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    [[A:%.*]] = alloca i17, align 4
; CHECK-NEXT:    call void @fn.fwd(i32 0)
; CHECK-NEXT:    store i32 0, ptr @g.fwd, align 4
; CHECK-NEXT:    ret void
;
  %a = alloca i17
  call void @fn.fwd(i32 0)
  store i32 0, ptr @g.fwd
  ret void
}

@g.fwd = global i32 0
declare void @fn.fwd(i32)

define void @f2(ptr %p) {
; CHECK-LABEL: define {{[^@]+}}@f2
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    unreachable
;
  unreachable
}

define void @f3(ptr addrspace(2) %p) {
; CHECK-LABEL: define {{[^@]+}}@f3
; CHECK-SAME: (ptr addrspace(2) [[P:%.*]]) {
; CHECK-NEXT:    unreachable
;
  unreachable
}

define void @f4(ptr %p) {
; CHECK-LABEL: define {{[^@]+}}@f4
; CHECK-SAME: (ptr [[P:%.*]]) {
; CHECK-NEXT:    unreachable
;
  unreachable
}

define void @remangle_intrinsic() {
; CHECK-LABEL: define {{[^@]+}}@remangle_intrinsic() {
; CHECK-NEXT:    [[A:%.*]] = alloca ptr, align 8
; CHECK-NEXT:    [[TMP1:%.*]] = call ptr @llvm.stacksave.p0()
; CHECK-NEXT:    call void @llvm.stackprotector(ptr null, ptr [[A]])
; CHECK-NEXT:    [[TMP2:%.*]] = call <2 x i64> @llvm.masked.expandload.v2i64(ptr null, <2 x i1> zeroinitializer, <2 x i64> zeroinitializer)
; CHECK-NEXT:    ret void
;
  %a = alloca ptr
  call ptr @llvm.stacksave()
  call void @llvm.stackprotector(ptr null, ptr %a)
  call <2 x i64> @llvm.masked.expandload.v2i64(ptr null, <2 x i1> zeroinitializer, <2 x i64> zeroinitializer)
  ret void
}

define ptr @constexpr_gep() {
; CHECK-LABEL: define {{[^@]+}}@constexpr_gep() {
; CHECK-NEXT:    ret ptr getelementptr (i32, ptr getelementptr (i8, ptr null, i64 4), i64 1)
;
  ret ptr getelementptr(i32, ptr getelementptr (i8, ptr null, i64 4), i64 1)
}

declare ptr @llvm.stacksave()
declare void @llvm.stackprotector(ptr, ptr)
declare <2 x i64> @llvm.masked.expandload.v2i64(ptr, <2 x i1>, <2 x i64>)