| ; RUN: opt -disable-output -licm -enable-new-pm=0 -print-memoryssa -enable-mssa-loop-dependency=true < %s 2>&1 | FileCheck %s |
| ; RUN: opt -disable-output -passes='loop-mssa(licm),print<memoryssa>' < %s 2>&1 | FileCheck %s |
| @v_274 = external dso_local global i64, align 1 |
| @v_295 = external dso_local global i16, align 1 |
| @v_335 = external dso_local global i32, align 1 |
| |
| ; CHECK-LABEL: @main() |
| ; CHECK-NOT: 5 = MemoryPhi( |
| ; CHECK-NOT: 6 = MemoryPhi( |
| ; CHECK: 4 = MemoryPhi( |
| ; CHECK-NOT: 7 = MemoryPhi( |
| define dso_local void @main() { |
| entry: |
| store i32 undef, i32* @v_335, align 1 |
| br i1 undef, label %gate, label %exit |
| |
| nopredentry1: ; No predecessors! |
| br label %preinfiniteloop |
| |
| nopredentry2: ; No predecessors! |
| br label %gate |
| |
| gate: ; preds = %nopredentry2, %entry |
| br i1 undef, label %preinfiniteloop, label %exit |
| |
| preinfiniteloop: ; preds = %gate, %nopredentry1 |
| br label %infiniteloop |
| |
| infiniteloop: ; preds = %infiniteloop, %preinfiniteloop |
| store i16 undef, i16* @v_295, align 1 |
| br label %infiniteloop |
| |
| exit: ; preds = %gate, %entry |
| store i64 undef, i64* @v_274, align 1 |
| ret void |
| } |
