xref: /llvm-project/llvm/test/Transforms/IROutliner/outline-memset.ll (revision f4b925ee7078f058602fd323e25f45f1ae91ca34)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
2; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s
3
4; This test checks that we successfully outline identical memset instructions.
5
6declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i32, i1)
7
8define i64 @function1(i64 %x, i64 %z, i64 %n) {
9entry:
10  %pool = alloca [59 x i64], align 4
11  call void @llvm.memset.p0.i64(ptr nonnull %pool, i8 0, i64 236, i32 4, i1 false)
12  %cmp3 = icmp eq i64 %n, 0
13  %a = add i64 %x, %z
14  %c = add i64 %x, %z
15  ret i64 0
16}
17
18define i64 @function2(i64 %x, i64 %z, i64 %n) {
19entry:
20  %pool = alloca [59 x i64], align 4
21  call void @llvm.memset.p0.i64(ptr nonnull %pool, i8 0, i64 236, i32 4, i1 false)
22  %cmp3 = icmp eq i64 %n, 0
23  %a = add i64 %x, %z
24  %c = add i64 %x, %z
25  ret i64 0
26}
27; CHECK-LABEL: @function1(
28; CHECK-NEXT:  entry:
29; CHECK-NEXT:    [[POOL:%.*]] = alloca [59 x i64], align 4
30; CHECK-NEXT:    call void @outlined_ir_func_0(ptr [[POOL]], i64 [[N:%.*]], i64 [[X:%.*]], i64 [[Z:%.*]])
31; CHECK-NEXT:    ret i64 0
32;
33;
34; CHECK-LABEL: @function2(
35; CHECK-NEXT:  entry:
36; CHECK-NEXT:    [[POOL:%.*]] = alloca [59 x i64], align 4
37; CHECK-NEXT:    call void @outlined_ir_func_0(ptr [[POOL]], i64 [[N:%.*]], i64 [[X:%.*]], i64 [[Z:%.*]])
38; CHECK-NEXT:    ret i64 0
39;
40;
41; CHECK: define internal void @outlined_ir_func_0(
42; CHECK-NEXT:  newFuncRoot:
43; CHECK-NEXT:    br label [[ENTRY_TO_OUTLINE:%.*]]
44; CHECK:       entry_to_outline:
45; CHECK-NEXT:    call void @llvm.memset.p0.i64(ptr nonnull align 4 [[TMP0:%.*]], i8 0, i64 236, i1 false)
46; CHECK-NEXT:    [[CMP3:%.*]] = icmp eq i64 [[TMP1:%.*]], 0
47; CHECK-NEXT:    [[A:%.*]] = add i64 [[TMP2:%.*]], [[TMP3:%.*]]
48; CHECK-NEXT:    [[C:%.*]] = add i64 [[TMP2]], [[TMP3]]
49; CHECK-NEXT:    br label [[ENTRY_AFTER_OUTLINE_EXITSTUB:%.*]]
50; CHECK:       entry_after_outline.exitStub:
51; CHECK-NEXT:    ret void
52;
53