22 lines · plain
1; RUN: opt -S -passes=sroa %s | FileCheck %s2;3;; Check that we do not assert and that we retain the fake_use instruction that4;; uses the address of bar.5;6; CHECK: define{{.*}}foo7; CHECK: call{{.*llvm\.fake\.use.*}}(ptr %bar.addr)8 9define void @_Z3fooPi(ptr %bar) {10entry:11 %bar.addr = alloca ptr, align 812 %baz = alloca ptr, align 813 store ptr %bar, ptr %bar.addr, align 814 store ptr %bar.addr, ptr %baz, align 815 %0 = load ptr, ptr %bar.addr, align 816 %1 = load ptr, ptr %baz, align 817 call void (...) @llvm.fake.use(ptr %1)18 ret void19}20 21declare void @llvm.fake.use(...)22