1; RUN: opt < %s -instcombine -S | FileCheck %s 2 3define void @test(float* %a, float* readnone %a_end, i64 %b) unnamed_addr { 4entry: 5 %cmp1 = icmp ult float* %a, %a_end 6 br i1 %cmp1, label %for.body.preheader, label %for.end 7 8for.body.preheader: ; preds = %entry 9 %b.float = inttoptr i64 %b to float* 10 br label %for.body 11 12for.body: ; preds = %for.body.preheader, %for.body 13 %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 14 %b.addr.float = phi float* [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ] 15 %b.addr.i64 = phi i64 [ %b.addr.i64.inc, %for.body ], [ %b, %for.body.preheader ] 16; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 17; CHECK-NEXT: %b.addr.float = phi float* [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ] 18; CHECK-NEXT: = load float 19 %l = load float, float* %b.addr.float, align 4 20 %mul.i = fmul float %l, 4.200000e+01 21 store float %mul.i, float* %a.addr.03, align 4 22; CHECK: store float 23 %b.addr.float.2 = inttoptr i64 %b.addr.i64 to float* 24; CHECK-NOT: inttoptr 25 %b.addr.float.inc = getelementptr inbounds float, float* %b.addr.float.2, i64 1 26; CHECK: %b.addr.float.inc = 27 %b.addr.i64.inc = ptrtoint float* %b.addr.float.inc to i64 28; CHECK-NOT: ptrtoint 29 %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1 30; CHECK: %incdec.ptr = 31 %cmp = icmp ult float* %incdec.ptr, %a_end 32 br i1 %cmp, label %for.body, label %for.end 33 34for.end: ; preds = %for.body, %entry 35 ret void 36} 37 38 39 40