xref: /llvm-project/llvm/test/Transforms/InferAlignment/volatile.ll (revision 0f152a55d3e4e71f7c795bf555e40c8895b97077)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
2; RUN: opt < %s -passes=infer-alignment -S | FileCheck %s
3
4define void @load_volatile() {
5; CHECK-LABEL: define void @load_volatile() {
6; CHECK-NEXT:    [[A:%.*]] = alloca { i32 }, align 8
7; CHECK-NEXT:    [[B:%.*]] = alloca i32, align 4
8; CHECK-NEXT:    [[LOAD_A:%.*]] = load volatile i32, ptr [[A]], align 8
9; CHECK-NEXT:    [[LOAD_B:%.*]] = load volatile i32, ptr [[B]], align 4
10; CHECK-NEXT:    ret void
11;
12  %a = alloca { i32 }
13  %b = alloca i32
14  %load.a = load volatile i32, ptr %a
15  %load.b = load volatile i32, ptr %b
16  ret void
17}
18
19define void @store_volatile() {
20; CHECK-LABEL: define void @store_volatile() {
21; CHECK-NEXT:    [[A:%.*]] = alloca { i32 }, align 8
22; CHECK-NEXT:    [[B:%.*]] = alloca i32, align 4
23; CHECK-NEXT:    store volatile i32 123, ptr [[A]], align 8
24; CHECK-NEXT:    store volatile i32 123, ptr [[B]], align 4
25; CHECK-NEXT:    ret void
26;
27  %a = alloca { i32 }
28  %b = alloca i32
29  store volatile i32 123, ptr %a
30  store volatile i32 123, ptr %b
31  ret void
32}
33