1; RUN: opt < %s -instcombine -S | FileCheck %s 2 3define void @test1(float* %a, float* readnone %a_end, i32* %b.i) { 4; CHECK-LABEL: @test1 5entry: 6 %cmp1 = icmp ult float* %a, %a_end 7 br i1 %cmp1, label %for.body.preheader, label %for.end 8 9for.body.preheader: ; preds = %entry 10 %b = ptrtoint i32 * %b.i to i64 11; CHECK: bitcast 12; CHECK-NOT: ptrtoint 13 br label %for.body 14; CHECK: br label %for.body 15 16for.body: ; preds = %for.body, %for.body.preheader 17 %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 18 %b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ] 19; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 20; CHECK-NOT: phi i64 21 %tmp = inttoptr i64 %b.addr.02 to float* 22; CHECK-NOT: inttoptr 23 %tmp1 = load float, float* %tmp, align 4 24; CHECK: = load 25 %mul.i = fmul float %tmp1, 4.200000e+01 26 store float %mul.i, float* %a.addr.03, align 4 27 %add = getelementptr inbounds float, float* %tmp, i64 1 28; CHECK: %add = 29 %add.int = ptrtoint float* %add to i64 30; CHECK-NOT: ptrtoint 31 %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1 32; CHECK: %incdec.ptr = 33 %cmp = icmp ult float* %incdec.ptr, %a_end 34 br i1 %cmp, label %for.body, label %for.end 35 36for.end: ; preds = %for.body, %entry 37 ret void 38} 39 40