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}
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