xref: /llvm-project/llvm/test/Transforms/Util/call-promotion-utils-ptrcast.ll (revision eda6ff347272f52e1344d43d956e383a1c039155)
1; RUN: opt -S -passes=pgo-icall-prom -icp-total-percent-threshold=0 -icp-max-prom=4 < %s 2>&1 | FileCheck %s
2
3; Test that CallPromotionUtils will promote calls which require pointer casts.
4
5@foo = common global ptr null, align 8
6
7; Check ptrcast arguments.
8define i64 @func1(ptr %a) {
9  ret i64 undef
10}
11
12; Check ptrcast return.
13define ptr @func2(i64 %a) {
14  ret ptr undef
15}
16
17; Check ptrcast arguments and return.
18define ptr @func3(ptr %a) {
19  ret ptr undef
20}
21
22; Check mixed ptrcast and bitcast.
23define ptr @func4(double %f) {
24  ret ptr undef
25}
26
27define i64 @bar() {
28  %tmp = load ptr, ptr @foo, align 8
29
30; CHECK: [[ARG:%[0-9]+]] = bitcast i64 1 to double
31; CHECK-NEXT: [[RET:%[0-9]+]] = call ptr @func4(double [[ARG]])
32; CHECK-NEXT: ptrtoint ptr [[RET]] to i64
33
34; CHECK: [[RET:%[0-9]+]] = call ptr @func2(i64 1)
35; CHECK-NEXT: ptrtoint ptr [[RET]] to i64
36
37; CHECK: [[ARG:%[0-9]+]] = inttoptr i64 1 to ptr
38; CHECK-NEXT: [[RET:%[0-9]+]] = call ptr @func3(ptr [[ARG]])
39; CHECK-NEXT: ptrtoint ptr [[RET]] to i64
40
41; CHECK: [[ARG:%[0-9]+]] = inttoptr i64 1 to ptr
42; CHECK-NEXT: call i64 @func1(ptr [[ARG]])
43; CHECK-NOT: ptrtoint
44; CHECK-NOT: bitcast
45
46  %call = call i64 %tmp(i64 1), !prof !1
47  ret i64 %call
48}
49
50!1 = !{!"VP", i32 0, i64 1600, i64 7651369219802541373, i64 1030, i64 -4377547752858689819, i64 410, i64 -6929281286627296573, i64 150, i64 -2545542355363006406, i64 10}
51