; Mem2reg should not insert dead PHI nodes! The naive algorithm inserts a PHI ; node in L3, even though there is no load of %A in anything dominated by L3. ; RUN: llvm-as < %s | opt -mem2reg | llvm-dis | not grep phi void %test(int %B, bool %C) { %A = alloca int store int %B, int* %A br bool %C, label %L1, label %L2 L1: store int %B, int* %A %D = load int* %A call void %test(int %D, bool false) br label %L3 L2: %E = load int* %A call void %test(int %E, bool true) br label %L3 L3: ret void }