1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -S -verify -iroutliner -ir-outlining-no-cost < %s | FileCheck %s
4 ; This test checks that we do not outline memcpy intrinsics since it may require
5 ; extra address space checks.
7 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1)
9 define i8 @function1(i8* noalias %s, i8* noalias %d, i64 %len) {
10 ; CHECK-LABEL: @function1(
12 ; CHECK-NEXT: [[B_LOC:%.*]] = alloca i8, align 1
13 ; CHECK-NEXT: [[A_LOC:%.*]] = alloca i8, align 1
14 ; CHECK-NEXT: [[RET_LOC:%.*]] = alloca i8, align 1
15 ; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[A_LOC]])
16 ; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[B_LOC]])
17 ; CHECK-NEXT: call void @outlined_ir_func_1(i8* [[S:%.*]], i8* [[D:%.*]], i8* [[A_LOC]], i8* [[B_LOC]])
18 ; CHECK-NEXT: [[A_RELOAD:%.*]] = load i8, i8* [[A_LOC]], align 1
19 ; CHECK-NEXT: [[B_RELOAD:%.*]] = load i8, i8* [[B_LOC]], align 1
20 ; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 -1, i8* [[A_LOC]])
21 ; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 -1, i8* [[B_LOC]])
22 ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[D]], i8* [[S]], i64 [[LEN:%.*]], i1 false)
23 ; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[RET_LOC]])
24 ; CHECK-NEXT: call void @outlined_ir_func_0(i8 [[A_RELOAD]], i8 [[B_RELOAD]], i8* [[S]], i8* [[RET_LOC]])
25 ; CHECK-NEXT: [[RET_RELOAD:%.*]] = load i8, i8* [[RET_LOC]], align 1
26 ; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 -1, i8* [[RET_LOC]])
27 ; CHECK-NEXT: ret i8 [[RET_RELOAD]]
32 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 %len, i1 false)
34 %ret = load i8, i8* %s
38 define i8 @function2(i8* noalias %s, i8* noalias %d, i64 %len) {
39 ; CHECK-LABEL: @function2(
41 ; CHECK-NEXT: [[B_LOC:%.*]] = alloca i8, align 1
42 ; CHECK-NEXT: [[A_LOC:%.*]] = alloca i8, align 1
43 ; CHECK-NEXT: [[RET_LOC:%.*]] = alloca i8, align 1
44 ; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[A_LOC]])
45 ; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[B_LOC]])
46 ; CHECK-NEXT: call void @outlined_ir_func_1(i8* [[S:%.*]], i8* [[D:%.*]], i8* [[A_LOC]], i8* [[B_LOC]])
47 ; CHECK-NEXT: [[A_RELOAD:%.*]] = load i8, i8* [[A_LOC]], align 1
48 ; CHECK-NEXT: [[B_RELOAD:%.*]] = load i8, i8* [[B_LOC]], align 1
49 ; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 -1, i8* [[A_LOC]])
50 ; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 -1, i8* [[B_LOC]])
51 ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[D]], i8* [[S]], i64 [[LEN:%.*]], i1 false)
52 ; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[RET_LOC]])
53 ; CHECK-NEXT: call void @outlined_ir_func_0(i8 [[A_RELOAD]], i8 [[B_RELOAD]], i8* [[S]], i8* [[RET_LOC]])
54 ; CHECK-NEXT: [[RET_RELOAD:%.*]] = load i8, i8* [[RET_LOC]], align 1
55 ; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 -1, i8* [[RET_LOC]])
56 ; CHECK-NEXT: ret i8 [[RET_RELOAD]]
61 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 %len, i1 false)
63 %ret = load i8, i8* %s