xref: /llvm-project/llvm/test/Transforms/ArgumentPromotion/allocsize.ll (revision c7aacbb5b6f272e3bf574120805f9ffb90633eb6)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes --version 3
2; RUN: opt -S -passes=argpromotion < %s | FileCheck %s
3
4declare ptr @malloc(i64)
5declare ptr @calloc(i64, i64)
6
7define internal ptr @my_alloc1(i64 %unchanged, ptr %unused, i64 %size, ptr %unused2) allocsize(2) {
8; CHECK: Function Attrs: allocsize(1)
9; CHECK-LABEL: define internal ptr @my_alloc1(
10; CHECK-SAME: i64 [[UNCHANGED:%.*]], i64 [[SIZE:%.*]]) #[[ATTR0:[0-9]+]] {
11; CHECK-NEXT:    [[PTR:%.*]] = call ptr @malloc(i64 [[SIZE]])
12; CHECK-NEXT:    ret ptr [[PTR]]
13;
14  %ptr = call ptr @malloc(i64 %size)
15  ret ptr %ptr
16}
17
18define internal ptr @my_alloc2(i64 %unchanged, ptr %unused, i64 %size, i64 %size2, ptr %unused2) allocsize(2,3) {
19; CHECK: Function Attrs: allocsize(1,2)
20; CHECK-LABEL: define internal ptr @my_alloc2(
21; CHECK-SAME: i64 [[UNCHANGED:%.*]], i64 [[SIZE:%.*]], i64 [[SIZE2:%.*]]) #[[ATTR1:[0-9]+]] {
22; CHECK-NEXT:    [[PTR:%.*]] = call ptr @calloc(i64 [[SIZE]], i64 [[SIZE2]])
23; CHECK-NEXT:    ret ptr [[PTR]]
24;
25  %ptr = call ptr @calloc(i64 %size, i64 %size2)
26  ret ptr %ptr
27}
28
29define internal ptr @my_alloc3(i64 %unchanged, ptr %promoted, ptr %promoted2, i64 %size) allocsize(3) {
30; CHECK: Function Attrs: allocsize(5)
31; CHECK-LABEL: define internal ptr @my_alloc3(
32; CHECK-SAME: i64 [[UNCHANGED:%.*]], i32 [[PROMOTED_0_VAL:%.*]], i32 [[PROMOTED_4_VAL:%.*]], i32 [[PROMOTED2_0_VAL:%.*]], i32 [[PROMOTED2_4_VAL:%.*]], i64 [[SIZE:%.*]]) #[[ATTR2:[0-9]+]] {
33; CHECK-NEXT:    [[PTR:%.*]] = call ptr @malloc(i64 [[SIZE]])
34; CHECK-NEXT:    ret ptr [[PTR]]
35;
36  load i32, ptr %promoted
37  %promoted.gep1 = getelementptr i8, ptr %promoted, i64 4
38  load i32, ptr %promoted.gep1
39
40  load i32, ptr %promoted2
41  %promoted2.gep1 = getelementptr i8, ptr %promoted2, i64 4
42  load i32, ptr %promoted2.gep1
43
44  %ptr = call ptr @malloc(i64 %size)
45  ret ptr %ptr
46}
47
48define internal ptr @my_alloc4(i64 %unchanged, ptr %promoted, ptr %promoted2, i64 %size, i64 %size2) allocsize(3,4) {
49; CHECK: Function Attrs: allocsize(5,6)
50; CHECK-LABEL: define internal ptr @my_alloc4(
51; CHECK-SAME: i64 [[UNCHANGED:%.*]], i32 [[PROMOTED_0_VAL:%.*]], i32 [[PROMOTED_4_VAL:%.*]], i32 [[PROMOTED2_0_VAL:%.*]], i32 [[PROMOTED2_4_VAL:%.*]], i64 [[SIZE:%.*]], i64 [[SIZE2:%.*]]) #[[ATTR3:[0-9]+]] {
52; CHECK-NEXT:    [[PTR:%.*]] = call ptr @calloc(i64 [[SIZE]], i64 [[SIZE2]])
53; CHECK-NEXT:    ret ptr [[PTR]]
54;
55  load i32, ptr %promoted
56  %promoted.gep1 = getelementptr i8, ptr %promoted, i64 4
57  load i32, ptr %promoted.gep1
58
59  load i32, ptr %promoted2
60  %promoted2.gep1 = getelementptr i8, ptr %promoted2, i64 4
61  load i32, ptr %promoted2.gep1
62
63  %ptr = call ptr @calloc(i64 %size, i64 %size2)
64  ret ptr %ptr
65}
66
67define void @call_my_alloc(ptr %arg, ptr %arg2) {
68; CHECK-LABEL: define void @call_my_alloc(
69; CHECK-SAME: ptr [[ARG:%.*]], ptr [[ARG2:%.*]]) {
70; CHECK-NEXT:    [[TMP1:%.*]] = call ptr @my_alloc1(i64 0, i64 2)
71; CHECK-NEXT:    [[TMP2:%.*]] = call ptr @my_alloc2(i64 0, i64 2, i64 2)
72; CHECK-NEXT:    [[ARG_VAL:%.*]] = load i32, ptr [[ARG]], align 4
73; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr i8, ptr [[ARG]], i64 4
74; CHECK-NEXT:    [[ARG_VAL1:%.*]] = load i32, ptr [[TMP3]], align 4
75; CHECK-NEXT:    [[ARG2_VAL:%.*]] = load i32, ptr [[ARG2]], align 4
76; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr i8, ptr [[ARG2]], i64 4
77; CHECK-NEXT:    [[ARG2_VAL2:%.*]] = load i32, ptr [[TMP4]], align 4
78; CHECK-NEXT:    [[TMP5:%.*]] = call ptr @my_alloc3(i64 0, i32 [[ARG_VAL]], i32 [[ARG_VAL1]], i32 [[ARG2_VAL]], i32 [[ARG2_VAL2]], i64 2)
79; CHECK-NEXT:    [[ARG_VAL3:%.*]] = load i32, ptr [[ARG]], align 4
80; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr i8, ptr [[ARG]], i64 4
81; CHECK-NEXT:    [[ARG_VAL4:%.*]] = load i32, ptr [[TMP6]], align 4
82; CHECK-NEXT:    [[ARG2_VAL5:%.*]] = load i32, ptr [[ARG2]], align 4
83; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr i8, ptr [[ARG2]], i64 4
84; CHECK-NEXT:    [[ARG2_VAL6:%.*]] = load i32, ptr [[TMP7]], align 4
85; CHECK-NEXT:    [[TMP8:%.*]] = call ptr @my_alloc4(i64 0, i32 [[ARG_VAL3]], i32 [[ARG_VAL4]], i32 [[ARG2_VAL5]], i32 [[ARG2_VAL6]], i64 2, i64 2)
86; CHECK-NEXT:    ret void
87;
88  %ptr = call ptr @my_alloc1(i64 0, ptr null, i64 2, ptr null)
89  %ptr2 = call ptr @my_alloc2(i64 0, ptr null, i64 2, i64 2, ptr null)
90  %ptr3 = call ptr @my_alloc3(i64 0, ptr %arg, ptr %arg2, i64 2)
91  %ptr4 = call ptr @my_alloc4(i64 0, ptr %arg, ptr %arg2, i64 2, i64 2)
92  ret void
93}
94
95