; RUN: opt < %s -instcombine -S | FileCheck %s define void @matching_phi(i64 %a, float* %b, i1 %cond) { ; CHECK-LABEL: @matching_phi entry: %cmp1 = icmp eq i1 %cond, 0 %add.int = add i64 %a, 1 %add = inttoptr i64 %add.int to float * %addb = getelementptr inbounds float, float* %b, i64 2 %addb.int = ptrtoint float* %addb to i64 br i1 %cmp1, label %A, label %B A: br label %C B: store float 1.0e+01, float* %add, align 4 br label %C C: %a.addr.03 = phi float* [ %addb, %A ], [ %add, %B ] %b.addr.02 = phi i64 [ %addb.int, %A ], [ %add.int, %B ] %tmp = inttoptr i64 %b.addr.02 to float* ; CHECK: %a.addr.03 = phi ; CHECK-NEXT: = load %tmp1 = load float, float* %tmp, align 4 %mul.i = fmul float %tmp1, 4.200000e+01 store float %mul.i, float* %a.addr.03, align 4 ret void } define void @no_matching_phi(i64 %a, float* %b, i1 %cond) { ; CHECK-LABEL: @no_matching_phi entry: %cmp1 = icmp eq i1 %cond, 0 %add.int = add i64 %a, 1 %add = inttoptr i64 %add.int to float * %addb = getelementptr inbounds float, float* %b, i64 2 %addb.int = ptrtoint float* %addb to i64 br i1 %cmp1, label %A, label %B A: br label %C B: store float 1.0e+01, float* %add, align 4 br label %C C: %a.addr.03 = phi float* [ %addb, %A ], [ %add, %B ] %b.addr.02 = phi i64 [ %addb.int, %B ], [ %add.int, %A ] %tmp = inttoptr i64 %b.addr.02 to float* %tmp1 = load float, float* %tmp, align 4 ; CHECK: %a.addr.03 = phi ; CHECK-NEXT: %b.addr.02.ptr = phi ; CHECK-NEXT: = load %mul.i = fmul float %tmp1, 4.200000e+01 store float %mul.i, float* %a.addr.03, align 4 ret void }