xref: /llvm-project/llvm/test/Transforms/IROutliner/illegal-memcpy.ll (revision f4b925ee7078f058602fd323e25f45f1ae91ca34)
1cea80760SAndrew Litteken; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
29dd9575cSRoman Lebedev; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost -no-ir-sim-intrinsics < %s | FileCheck %s
3cea80760SAndrew Litteken
4cea80760SAndrew Litteken; This test checks that we do not outline memcpy intrinsics since it may require
5cea80760SAndrew Litteken; extra address space checks.
6cea80760SAndrew Litteken
7*f4b925eeSMatt Arsenaultdeclare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1)
8cea80760SAndrew Litteken
9*f4b925eeSMatt Arsenaultdefine i8 @function1(ptr noalias %s, ptr noalias %d, i64 %len) {
10cea80760SAndrew Litteken; CHECK-LABEL: @function1(
11cea80760SAndrew Litteken; CHECK-NEXT:  entry:
12e6ae6233SAndrew Litteken; CHECK-NEXT:    [[B_LOC:%.*]] = alloca i8, align 1
13e6ae6233SAndrew Litteken; CHECK-NEXT:    [[A_LOC:%.*]] = alloca i8, align 1
14e6ae6233SAndrew Litteken; CHECK-NEXT:    [[RET_LOC:%.*]] = alloca i8, align 1
15*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 -1, ptr [[A_LOC]])
16*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 -1, ptr [[B_LOC]])
17*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_1(ptr [[S:%.*]], ptr [[D:%.*]], ptr [[A_LOC]], ptr [[B_LOC]])
18*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[A_RELOAD:%.*]] = load i8, ptr [[A_LOC]], align 1
19*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[B_RELOAD:%.*]] = load i8, ptr [[B_LOC]], align 1
20*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 -1, ptr [[A_LOC]])
21*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 -1, ptr [[B_LOC]])
22*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr [[D]], ptr [[S]], i64 [[LEN:%.*]], i1 false)
23*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 -1, ptr [[RET_LOC]])
24*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_0(i8 [[A_RELOAD]], i8 [[B_RELOAD]], ptr [[S]], ptr [[RET_LOC]])
25*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[RET_RELOAD:%.*]] = load i8, ptr [[RET_LOC]], align 1
26*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 -1, ptr [[RET_LOC]])
27e6ae6233SAndrew Litteken; CHECK-NEXT:    ret i8 [[RET_RELOAD]]
28cea80760SAndrew Litteken;
29cea80760SAndrew Littekenentry:
30*f4b925eeSMatt Arsenault  %a = load i8, ptr %s
31*f4b925eeSMatt Arsenault  %b = load i8, ptr %d
32*f4b925eeSMatt Arsenault  call void @llvm.memcpy.p0.p0.i64(ptr %d, ptr %s, i64 %len, i1 false)
33cea80760SAndrew Litteken  %c = add i8 %a, %b
34*f4b925eeSMatt Arsenault  %ret = load i8, ptr %s
35cea80760SAndrew Litteken  ret i8 %ret
36cea80760SAndrew Litteken}
37cea80760SAndrew Litteken
38*f4b925eeSMatt Arsenaultdefine i8 @function2(ptr noalias %s, ptr noalias %d, i64 %len) {
39cea80760SAndrew Litteken; CHECK-LABEL: @function2(
40cea80760SAndrew Litteken; CHECK-NEXT:  entry:
41e6ae6233SAndrew Litteken; CHECK-NEXT:    [[B_LOC:%.*]] = alloca i8, align 1
42e6ae6233SAndrew Litteken; CHECK-NEXT:    [[A_LOC:%.*]] = alloca i8, align 1
43e6ae6233SAndrew Litteken; CHECK-NEXT:    [[RET_LOC:%.*]] = alloca i8, align 1
44*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 -1, ptr [[A_LOC]])
45*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 -1, ptr [[B_LOC]])
46*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_1(ptr [[S:%.*]], ptr [[D:%.*]], ptr [[A_LOC]], ptr [[B_LOC]])
47*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[A_RELOAD:%.*]] = load i8, ptr [[A_LOC]], align 1
48*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[B_RELOAD:%.*]] = load i8, ptr [[B_LOC]], align 1
49*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 -1, ptr [[A_LOC]])
50*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 -1, ptr [[B_LOC]])
51*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr [[D]], ptr [[S]], i64 [[LEN:%.*]], i1 false)
52*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 -1, ptr [[RET_LOC]])
53*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_0(i8 [[A_RELOAD]], i8 [[B_RELOAD]], ptr [[S]], ptr [[RET_LOC]])
54*f4b925eeSMatt Arsenault; CHECK-NEXT:    [[RET_RELOAD:%.*]] = load i8, ptr [[RET_LOC]], align 1
55*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 -1, ptr [[RET_LOC]])
56e6ae6233SAndrew Litteken; CHECK-NEXT:    ret i8 [[RET_RELOAD]]
57cea80760SAndrew Litteken;
58cea80760SAndrew Littekenentry:
59*f4b925eeSMatt Arsenault  %a = load i8, ptr %s
60*f4b925eeSMatt Arsenault  %b = load i8, ptr %d
61*f4b925eeSMatt Arsenault  call void @llvm.memcpy.p0.p0.i64(ptr %d, ptr %s, i64 %len, i1 false)
62cea80760SAndrew Litteken  %c = add i8 %a, %b
63*f4b925eeSMatt Arsenault  %ret = load i8, ptr %s
64cea80760SAndrew Litteken  ret i8 %ret
65cea80760SAndrew Litteken}
66