1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 define void @test(float* %a, float* readnone %a_end, i64 %b, float* %bf) unnamed_addr { 4 entry: 5 %cmp1 = icmp ult float* %a, %a_end 6 %b.float = inttoptr i64 %b to float* 7 br i1 %cmp1, label %bb1, label %bb2 8 9 bb1: 10 br label %for.body.preheader 11 bb2: 12 %bfi = ptrtoint float* %bf to i64 13 br label %for.body.preheader 14 15 for.body.preheader: ; preds = %entry 16 %b.phi = phi i64 [%b, %bb1], [%bfi, %bb2] 17 br label %for.body 18 ; CHECK: for.body.preheader 19 ; CHECK: %b.phi = phi 20 ; CHECK: %b.phi.ptr = 21 ; CHECK: br label %for.body 22 23 for.body: ; preds = %for.body.preheader, %for.body 24 ; CHECK: for.body 25 %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 26 %b.addr.float = phi float* [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ] 27 %b.addr.i64 = phi i64 [ %b.addr.i64.inc, %for.body ], [ %b.phi, %for.body.preheader ] 28 ; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 29 ; CHECK-NEXT: %b.addr.float = phi float* [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ] 30 ; CHECK-NEXT: %b.addr.i64.ptr = phi 31 ; CHECK-NOT: = phi i64 32 ; CHECK: = load 33 %l = load float, float* %b.addr.float, align 4 34 %mul.i = fmul float %l, 4.200000e+01 35 store float %mul.i, float* %a.addr.03, align 4 36 %b.addr.float.2 = inttoptr i64 %b.addr.i64 to float* 37 %b.addr.float.inc = getelementptr inbounds float, float* %b.addr.float.2, i64 1 38 ; CHECK: store float %mul.i 39 ; CHECK-NOT: inttoptr 40 ; CHECK: %b.addr.float.inc = 41 %b.addr.i64.inc = ptrtoint float* %b.addr.float.inc to i64 42 ; CHECK-NOT: ptrtoint 43 %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1 44 ; CHECK: %incdec.ptr = 45 %cmp = icmp ult float* %incdec.ptr, %a_end 46 br i1 %cmp, label %for.body, label %for.end 47 48 for.end: ; preds = %for.body, %entry 49 ret void 50 } 51 52 53 54
