; RUN: opt -disable-output -passes="loop-mssa(licm,loop-rotate,licm,simple-loop-unswitch),print" -verify-memoryssa < %s 2>&1 | FileCheck %s ; Make sure that we update MSSA correctly in this case. ; CHECK-LABEL: MemorySSA for function: test ; CHECK: for.header2.preheader: ; CHECK-NEXT: 11 = MemoryPhi({entry.split,liveOnEntry},{for.header,9}) ; CHECK: for.body.us: ; CHECK-NEXT: 7 = MemoryPhi({for.header2.preheader.split.us,11},{for.header2.us,9}) ; CHECK-NEXT: 8 = MemoryDef(7)->7 ; CHECK-NEXT: store i32 0, ptr %p, align 4 ; CHECK-NEXT: 9 = MemoryDef(8)->8 ; CHECK-NEXT: store i8 0, ptr %p, align 1 define void @test(ptr %p, i1 %cond) { entry: br label %for.header for.header: br i1 false, label %exit.loopexit1, label %for.header2.preheader for.header2.preheader: br label %for.body for.header2: br i1 false, label %for.latch, label %for.body for.body: store i32 0, ptr %p, align 4 store i8 0, ptr %p, align 1 br i1 %cond, label %for.header2, label %exit.loopexit for.latch: br i1 false, label %for.inc, label %exit.loopexit1 for.inc: br label %for.header exit.loopexit: br label %exit exit.loopexit1: br label %exit exit: ret void }