xref: /llvm-project/llvm/test/Transforms/ArgumentPromotion/propagate-remove-dead-args.ll (revision 4923b4dbaca386b532c80f0572c2d6a0547a2a3d)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
2; RUN: opt < %s -passes=argpromotion -S | FileCheck %s
3
4%ptr.struct = type { ptr, ptr, ptr }
5
6define internal void @child(ptr %this, ptr %y, ptr %x) {
7; CHECK-LABEL: define internal void @child
8; CHECK-SAME: (ptr [[Y:%.*]], half [[X_0_VAL:%.*]]) {
9; CHECK-NEXT:  entry:
10; CHECK-NEXT:    store half [[X_0_VAL]], ptr [[Y]], align 2
11; CHECK-NEXT:    ret void
12;
13entry:
14  %0 = load half, ptr %x
15  store half %0, ptr %y
16  ret void
17}
18
19define internal void @parent(ptr %this, ptr %p1, ptr %p2) {
20; CHECK-LABEL: define internal void @parent
21; CHECK-SAME: (ptr [[P1:%.*]], ptr [[P2:%.*]]) {
22; CHECK-NEXT:  entry:
23; CHECK-NEXT:    [[P2_VAL2:%.*]] = load half, ptr [[P2]], align 2
24; CHECK-NEXT:    call void @child(ptr [[P1]], half [[P2_VAL2]])
25; CHECK-NEXT:    [[P2_VAL1:%.*]] = load half, ptr [[P2]], align 2
26; CHECK-NEXT:    call void @child(ptr [[P1]], half [[P2_VAL1]])
27; CHECK-NEXT:    [[P2_VAL:%.*]] = load half, ptr [[P2]], align 2
28; CHECK-NEXT:    call void @child(ptr [[P1]], half [[P2_VAL]])
29; CHECK-NEXT:    ret void
30;
31entry:
32  %src_element_op_0 = getelementptr ptr, ptr %this, i64 0
33  %load0 = load ptr, ptr %src_element_op_0
34  call void @child(ptr %load0, ptr %p1, ptr %p2)
35  %src_element_op_1 = getelementptr ptr, ptr %this, i64 1
36  %load1 = load ptr, ptr %src_element_op_1
37  call void @child(ptr %load1, ptr %p1, ptr %p2)
38  %src_element_op_2 = getelementptr ptr, ptr %this, i64 2
39  %load2 = load ptr, ptr %src_element_op_2
40  call void @child(ptr %load2, ptr %p1, ptr %p2)
41  ret void
42}
43
44define  void @grandparent() {
45; CHECK-LABEL: define void @grandparent() {
46; CHECK-NEXT:  entry:
47; CHECK-NEXT:    [[XPTR:%.*]] = alloca i32, align 4
48; CHECK-NEXT:    [[YPTR:%.*]] = alloca i32, align 4
49; CHECK-NEXT:    call void @parent(ptr [[XPTR]], ptr [[YPTR]])
50; CHECK-NEXT:    ret void
51;
52entry:
53  %f = alloca %ptr.struct
54  %xptr = alloca i32
55  %yptr = alloca i32
56  call void @parent(ptr %f, ptr %xptr, ptr %yptr)
57  ret void
58}
59
60define internal ptr @callee(ptr %dead) {
61; CHECK-LABEL: define internal ptr @callee() {
62; CHECK-NEXT:    ret ptr null
63;
64  ret ptr null
65}
66
67define void @caller() {
68; CHECK-LABEL: define void @caller() {
69; CHECK-NEXT:    [[TMP1:%.*]] = call ptr @callee()
70; CHECK-NEXT:    [[TMP2:%.*]] = call ptr @callee()
71; CHECK-NEXT:    ret void
72;
73  %ret = call ptr @callee(ptr null)
74  %ret2 = call ptr @callee(ptr %ret)
75  ret void
76}
77