1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 2; RUN: opt -passes=bpf-aspace-simplify -mtriple=bpf-pc-linux -S < %s | FileCheck %s 3 4; Check that bpf-aspace-simplify pass removes unnecessary (for BPF) 5; address space casts for cast M->N -> GEP -> cast N->M chain, 6; where chain is split between several BBs. 7 8define dso_local ptr addrspace(1) @test (ptr addrspace(1) %p) { 9; CHECK-LABEL: define dso_local ptr addrspace(1) @test( 10; CHECK-SAME: ptr addrspace(1) [[P:%.*]]) { 11; CHECK-NEXT: entry: 12; CHECK-NEXT: br label [[EXIT:%.*]] 13; CHECK: exit: 14; CHECK-NEXT: [[B1:%.*]] = getelementptr inbounds i8, ptr addrspace(1) [[P]], i64 8 15; CHECK-NEXT: ret ptr addrspace(1) [[B1]] 16; 17entry: 18 %a = addrspacecast ptr addrspace(1) %p to ptr 19 %b = getelementptr inbounds i8, ptr %a, i64 8 20 br label %exit 21 22exit: 23 %c = addrspacecast ptr %b to ptr addrspace(1) 24 ret ptr addrspace(1) %c 25} 26