; RUN: opt < %s -instcombine -S | FileCheck %s define void @test(float* %a, float* readnone %a_end, i64 %b) unnamed_addr { entry: %cmp1 = icmp ult float* %a, %a_end br i1 %cmp1, label %for.body.preheader, label %for.end for.body.preheader: ; preds = %entry %b.float = inttoptr i64 %b to float* br label %for.body for.body: ; preds = %for.body.preheader, %for.body %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] %b.addr.float = phi float* [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ] %b.addr.i64 = phi i64 [ %b.addr.i64.inc, %for.body ], [ %b, %for.body.preheader ] ; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] ; CHECK-NEXT: %b.addr.float = phi float* [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ] ; CHECK-NEXT: = load float %l = load float, float* %b.addr.float, align 4 %mul.i = fmul float %l, 4.200000e+01 store float %mul.i, float* %a.addr.03, align 4 ; CHECK: store float %b.addr.float.2 = inttoptr i64 %b.addr.i64 to float* ; CHECK-NOT: inttoptr %b.addr.float.inc = getelementptr inbounds float, float* %b.addr.float.2, i64 1 ; CHECK: %b.addr.float.inc = %b.addr.i64.inc = ptrtoint float* %b.addr.float.inc to i64 ; CHECK-NOT: ptrtoint %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1 ; CHECK: %incdec.ptr = %cmp = icmp ult float* %incdec.ptr, %a_end br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void }