xref: /llvm-project/llvm/test/Transforms/LoopVectorize/demanded-bits-of-pointer-instruction.ll (revision 7d7577256b76e4293f455b8093504d5f7044ab4b)
1; RUN: opt < %s -passes=loop-vectorize -S | FileCheck %s
2
3; getDemandedBits() is called on the pointer-typed GEP instruction here.
4; Only make sure we do not crash.
5
6; CHECK: @test
7define void @test(ptr %ptr, ptr %ptr_end) {
8start:
9  br label %loop
10
11loop:
12  %ptr2 = phi ptr [ %ptr3, %loop ], [ %ptr, %start ]
13  %x = sext i8 undef to i64
14  %ptr3 = getelementptr inbounds i8, ptr %ptr2, i64 1
15  %cmp = icmp ult ptr %ptr3, %ptr_end
16  br i1 %cmp, label %loop, label %end
17
18end:
19  ret void
20}
21