test/Transforms/ArgumentPromotion/load-alignment-value-overflows-addrspace-size.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -S -passes=argpromotion < %s | FileCheck %s
target datalayout = "e-p:64:64-p5:32:32-p6:128:128:128:128"

; Maximum alignment value of the load in a 64-bit address space
; exceeds the bitwidth of the definition address space.
define void @entry0() {
; CHECK-LABEL: define void @entry0() {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    call void @call_load_maxalign_alloca_16()
; CHECK-NEXT:    ret void
;
bb:
  call void @call_load_maxalign_alloca_16()
  ret void
}

define internal void @call_load_maxalign_alloca_16() {
; CHECK-LABEL: define internal void @call_load_maxalign_alloca_16() {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    [[ALLOCA:%.*]] = alloca [13 x i16], align 16, addrspace(5)
; CHECK-NEXT:    [[ADDRSPACECAST:%.*]] = addrspacecast ptr addrspace(5) [[ALLOCA]] to ptr
; CHECK-NEXT:    call void @load_maxalign0(ptr [[ADDRSPACECAST]])
; CHECK-NEXT:    ret void
;
bb:
  %alloca = alloca [13 x i16], align 16, addrspace(5)
  %addrspacecast = addrspacecast ptr addrspace(5) %alloca to ptr
  call void @load_maxalign0(ptr %addrspacecast)
  ret void
}

define internal void @load_maxalign0(ptr %arg) {
; CHECK-LABEL: define internal void @load_maxalign0
; CHECK-SAME: (ptr [[ARG:%.*]]) {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    br label [[BB1:%.*]]
; CHECK:       bb1:
; CHECK-NEXT:    [[LOAD:%.*]] = load i32, ptr [[ARG]], align 4294967296
; CHECK-NEXT:    ret void
;
bb:
  br label %bb1

bb1:                                              ; preds = %bb
  %load = load i32, ptr %arg, align 4294967296
  ret void
}

; Make sure the early exit alignment check isn't hiding the offset
; overflow.
define void @entry1() {
; CHECK-LABEL: define void @entry1() {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    call void @call_load_maxalign_alloca_maxalign()
; CHECK-NEXT:    ret void
;
bb:
  call void @call_load_maxalign_alloca_maxalign()
  ret void
}

define internal void @call_load_maxalign_alloca_maxalign() {
; CHECK-LABEL: define internal void @call_load_maxalign_alloca_maxalign() {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    [[ALLOCA:%.*]] = alloca [13 x i16], align 4294967296, addrspace(5)
; CHECK-NEXT:    [[ADDRSPACECAST:%.*]] = addrspacecast ptr addrspace(5) [[ALLOCA]] to ptr
; CHECK-NEXT:    [[ADDRSPACECAST_VAL:%.*]] = load i32, ptr [[ADDRSPACECAST]], align 4294967296
; CHECK-NEXT:    call void @load_maxalign1(i32 [[ADDRSPACECAST_VAL]])
; CHECK-NEXT:    ret void
;
bb:
  %alloca = alloca [13 x i16], align 4294967296, addrspace(5)
  %addrspacecast = addrspacecast ptr addrspace(5) %alloca to ptr
  call void @load_maxalign1(ptr %addrspacecast)
  ret void
}

define internal void @load_maxalign1(ptr %arg) {
; CHECK-LABEL: define internal void @load_maxalign1
; CHECK-SAME: (i32 [[ARG_0_VAL:%.*]]) {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    br label [[BB1:%.*]]
; CHECK:       bb1:
; CHECK-NEXT:    ret void
;
bb:
  br label %bb1

bb1:                                              ; preds = %bb
  %load = load i32, ptr %arg, align 4294967296
  ret void
}

; Alignment value exceeds pointer size, more than 1 past the end
define void @entry2() {
; CHECK-LABEL: define void @entry2() {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    call void @call_load_maxalign_alloca_ptr128()
; CHECK-NEXT:    ret void
;
bb:
  call void @call_load_maxalign_alloca_ptr128()
  ret void
}

define internal void @call_load_maxalign_alloca_ptr128() {
; CHECK-LABEL: define internal void @call_load_maxalign_alloca_ptr128() {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    [[ALLOCA:%.*]] = alloca [13 x i16], align 4294967296, addrspace(6)
; CHECK-NEXT:    [[ADDRSPACECAST:%.*]] = addrspacecast ptr addrspace(6) [[ALLOCA]] to ptr
; CHECK-NEXT:    [[ADDRSPACECAST_VAL:%.*]] = load i32, ptr [[ADDRSPACECAST]], align 4294967296
; CHECK-NEXT:    call void @load_maxalign2(i32 [[ADDRSPACECAST_VAL]])
; CHECK-NEXT:    ret void
;
bb:
  %alloca = alloca [13 x i16], align 4294967296, addrspace(6)
  %addrspacecast = addrspacecast ptr addrspace(6) %alloca to ptr
  call void @load_maxalign2(ptr %addrspacecast)
  ret void
}

define internal void @load_maxalign2(ptr %arg) {
; CHECK-LABEL: define internal void @load_maxalign2
; CHECK-SAME: (i32 [[ARG_0_VAL:%.*]]) {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    br label [[BB1:%.*]]
; CHECK:       bb1:
; CHECK-NEXT:    ret void
;
bb:
  br label %bb1

bb1:                                              ; preds = %bb
  %load = load i32, ptr %arg, align 4294967296
  ret void
}