xref: /llvm-project/llvm/test/Transforms/SROA/pr64081.ll (revision 54067c5fbe9fc13ab195cdddb8f17e18d72b5fe4)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: opt -S -passes=sroa < %s | FileCheck %s
3
4%B = type { i1, i3 }
5
6define void @test(i7 %x) {
7; CHECK-LABEL: define void @test(
8; CHECK-SAME: i7 [[X:%.*]]) {
9; CHECK-NEXT:  bb:
10; CHECK-NEXT:    [[RES:%.*]] = alloca [2 x i8], align 1
11; CHECK-NEXT:    [[TMP_SROA_0:%.*]] = alloca i1, align 8
12; CHECK-NEXT:    [[TMP_SROA_1:%.*]] = alloca i3, align 1
13; CHECK-NEXT:    store i7 [[X]], ptr [[TMP_SROA_1]], align 1
14; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr align 1 [[RES]], ptr align 8 [[TMP_SROA_0]], i64 1, i1 false)
15; CHECK-NEXT:    [[TMP_SROA_1_0_RES_SROA_IDX:%.*]] = getelementptr inbounds i8, ptr [[RES]], i64 1
16; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr align 1 [[TMP_SROA_1_0_RES_SROA_IDX]], ptr align 1 [[TMP_SROA_1]], i64 1, i1 false)
17; CHECK-NEXT:    [[TMP0:%.*]] = call i8 @use(ptr [[RES]])
18; CHECK-NEXT:    ret void
19;
20bb:
21  %res = alloca [2 x i8]
22  %tmp = alloca { i1, i3 }
23  %tmp.1 = getelementptr i8, ptr %tmp, i64 1
24  store i7 %x, ptr %tmp.1
25  call void @llvm.memcpy.p0.p0.i64(ptr %res, ptr %tmp, i64 2, i1 false)
26  call i8 @use(ptr %res)
27  ret void
28}
29
30declare void @use(ptr)
31
32declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg)
33