xref: /llvm-project/llvm/test/Transforms/Attributor/ArgumentPromotion/array.ll (revision 29441e4f5fa5f5c7709f7cf180815ba97f611297)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
2; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal  -attributor-annotate-decl-cs  -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
3; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal  -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
4;
5; FIXME: The GEP + BC + GEP solution we create is not great but correct.
6
7declare void @use(ptr nocapture readonly %arg)
8
9define void @caller() {
10; TUNIT-LABEL: define {{[^@]+}}@caller() {
11; TUNIT-NEXT:  entry:
12; TUNIT-NEXT:    [[LEFT:%.*]] = alloca [3 x i32], align 4
13; TUNIT-NEXT:    [[TMP0:%.*]] = load i32, ptr [[LEFT]], align 4
14; TUNIT-NEXT:    [[LEFT_B4:%.*]] = getelementptr i8, ptr [[LEFT]], i64 4
15; TUNIT-NEXT:    [[TMP1:%.*]] = load i32, ptr [[LEFT_B4]], align 4
16; TUNIT-NEXT:    [[LEFT_B8:%.*]] = getelementptr i8, ptr [[LEFT]], i64 8
17; TUNIT-NEXT:    [[TMP2:%.*]] = load i32, ptr [[LEFT_B8]], align 4
18; TUNIT-NEXT:    call void @callee(i32 [[TMP0]], i32 [[TMP1]], i32 [[TMP2]])
19; TUNIT-NEXT:    ret void
20;
21; CGSCC-LABEL: define {{[^@]+}}@caller() {
22; CGSCC-NEXT:  entry:
23; CGSCC-NEXT:    call void @callee(i32 undef, i32 undef, i32 undef)
24; CGSCC-NEXT:    ret void
25;
26entry:
27  %left = alloca [3 x i32], align 4
28  call void @callee(ptr %left)
29  ret void
30}
31
32define internal void @callee(ptr noalias %arg) {
33; CHECK: Function Attrs: memory(readwrite, argmem: none)
34; CHECK-LABEL: define {{[^@]+}}@callee
35; CHECK-SAME: (i32 [[TMP0:%.*]], i32 [[TMP1:%.*]], i32 [[TMP2:%.*]]) #[[ATTR0:[0-9]+]] {
36; CHECK-NEXT:  entry:
37; CHECK-NEXT:    [[ARG_PRIV:%.*]] = alloca [3 x i32], align 4
38; CHECK-NEXT:    store i32 [[TMP0]], ptr [[ARG_PRIV]], align 4
39; CHECK-NEXT:    [[ARG_PRIV_B4:%.*]] = getelementptr i8, ptr [[ARG_PRIV]], i64 4
40; CHECK-NEXT:    store i32 [[TMP1]], ptr [[ARG_PRIV_B4]], align 4
41; CHECK-NEXT:    [[ARG_PRIV_B8:%.*]] = getelementptr i8, ptr [[ARG_PRIV]], i64 8
42; CHECK-NEXT:    store i32 [[TMP2]], ptr [[ARG_PRIV_B8]], align 4
43; CHECK-NEXT:    call void @use(ptr noalias nofree noundef nonnull readonly align 4 captures(none) dereferenceable(12) [[ARG_PRIV]])
44; CHECK-NEXT:    ret void
45;
46entry:
47  call void @use(ptr %arg)
48  ret void
49}
50;.
51; TUNIT: attributes #[[ATTR0]] = { memory(readwrite, argmem: none) }
52;.
53; CGSCC: attributes #[[ATTR0]] = { memory(readwrite, argmem: none) }
54;.
55