xref: /llvm-project/llvm/test/Transforms/InstCombine/memset2.ll (revision 29441e4f5fa5f5c7709f7cf180815ba97f611297)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
2; RUN: opt < %s -passes=instcombine -S | FileCheck %s
3
4; Test to check that instcombine doesn't drop the address space when optimizing
5; memset.
6%struct.Moves = type { [9 x i8], i8, i8, i8, [5 x i8] }
7
8define i32 @test(ptr addrspace(1) nocapture %moves) {
9; CHECK-LABEL: define i32 @test
10; CHECK-SAME: (ptr addrspace(1) captures(none) [[MOVES:%.*]]) {
11; CHECK-NEXT:  entry:
12; CHECK-NEXT:    [[GEP:%.*]] = getelementptr inbounds nuw i8, ptr addrspace(1) [[MOVES]], i64 26
13; CHECK-NEXT:    store i64 0, ptr addrspace(1) [[GEP]], align 1
14; CHECK-NEXT:    ret i32 0
15;
16entry:
17  %gep = getelementptr inbounds %struct.Moves, ptr addrspace(1) %moves, i32 1, i32 0, i32 9
18  call void @llvm.memset.p1.i64(ptr addrspace(1) %gep, i8 0, i64 8, i1 false)
19  ret i32 0
20}
21
22declare void @llvm.memset.p1.i64(ptr addrspace(1) nocapture, i8, i64, i1) nounwind
23