xref: /llvm-project/llvm/test/Transforms/Inline/byval-with-non-alloca-addrspace.ll (revision e47359a925b88cd081ea85d10b55b0625d17b212)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2; RUN: opt -S -passes=always-inline %s | FileCheck %s
3
4; The byval parameters use a different address space from the alloca
5; address space. Make sure this is gracefully handled by using the
6; original byval pointer type's address space instead of what the
7; datalayout says to use.
8
9target datalayout = "A5"
10
11%struct = type { i64, i64 }
12
13define i64 @bar(ptr byval(%struct) %a) alwaysinline {
14; CHECK-LABEL: define i64 @bar(
15; CHECK-SAME: ptr byval([[STRUCT:%.*]]) [[A:%.*]]) #[[ATTR0:[0-9]+]] {
16; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr [[STRUCT]], ptr [[A]], i64 0, i32 1
17; CHECK-NEXT:    [[TMP2:%.*]] = load i64, ptr [[TMP1]], align 4
18; CHECK-NEXT:    ret i64 0
19;
20  %1 = getelementptr %struct, ptr %a, i64 0, i32 1
21  %2 = load i64, ptr %1, align 4
22  ret i64 0
23}
24
25define i64 @foo(ptr %arg) {
26; CHECK-LABEL: define i64 @foo(
27; CHECK-SAME: ptr [[ARG:%.*]]) {
28; CHECK-NEXT:    [[ARG1:%.*]] = alloca [[STRUCT:%.*]], align 8
29; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 16, ptr [[ARG1]])
30; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr align 1 [[ARG1]], ptr align 1 [[ARG]], i64 16, i1 false)
31; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr [[STRUCT]], ptr [[ARG1]], i64 0, i32 1
32; CHECK-NEXT:    [[TMP2:%.*]] = load i64, ptr [[TMP1]], align 4
33; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 16, ptr [[ARG1]])
34; CHECK-NEXT:    ret i64 0
35;
36  %1 = call i64 @bar(ptr byval(%struct) align 8 %arg)
37  ret i64 0
38}
39