1; RUN: opt < %s -instcombine -S | FileCheck %s 2 3define void @test1(float* %a, float* readnone %a_end, i64* %b.i64) { 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 = load i64, i64* %b.i64, align 8 11; CHECK: load float*, float** 12 br label %for.body 13 14for.body: ; preds = %for.body, %for.body.preheader 15 %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 16 %b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ] 17 18; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 19; CHECK: %b.addr.02.ptr = phi float* [ %add, %for.body ], 20; CHECK-NOT: %b.addr.02 = phi i64 21 22 %tmp = inttoptr i64 %b.addr.02 to float* 23; CHECK-NOT: inttoptr i64 24 %tmp1 = load float, float* %tmp, align 4 25; CHECK: = load 26 %mul.i = fmul float %tmp1, 4.200000e+01 27 store float %mul.i, float* %a.addr.03, align 4 28 %add = getelementptr inbounds float, float* %tmp, i64 1 29 %add.int = ptrtoint float* %add to i64 30; CHECK %add = getelementptr 31; CHECK-NOT: ptrtoint float* 32 %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1 33; CHECK: %incdec.ptr = 34 %cmp = icmp ult float* %incdec.ptr, %a_end 35 br i1 %cmp, label %for.body, label %for.end 36 37for.end: ; preds = %for.body, %entry 38 ret void 39} 40 41define void @test1_neg(float* %a, float* readnone %a_end, i64* %b.i64) { 42; CHECK-LABEL: @test1_neg 43entry: 44 %cmp1 = icmp ult float* %a, %a_end 45 br i1 %cmp1, label %for.body.preheader, label %for.end 46 47for.body.preheader: ; preds = %entry 48 %b = load i64, i64* %b.i64, align 8 49 br label %for.body 50 51for.body: ; preds = %for.body, %for.body.preheader 52 %a.addr.03 = phi float* [ %incdec.ptr, %bb ], [ %a, %for.body.preheader ] 53 %b.addr.02 = phi i64 [ %add.int, %bb ], [ %b, %for.body.preheader ] 54 55; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %bb ], [ %a, %for.body.preheader ] 56; CHECK: %b.addr.02 = phi i64 57 58 %tmp = inttoptr i64 %b.addr.02 to float* 59; CHECK: inttoptr i64 60 %ptrcmp = icmp ult float* %tmp, %a_end 61 br i1 %ptrcmp, label %for.end, label %bb 62 63bb: 64 %tmp1 = load float, float* %a, align 4 65 %mul.i = fmul float %tmp1, 4.200000e+01 66 store float %mul.i, float* %a.addr.03, align 4 67 %add = getelementptr inbounds float, float* %a, i64 1 68 %add.int = ptrtoint float* %add to i64 69; CHECK: ptrtoint float* 70 %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1 71 %cmp = icmp ult float* %incdec.ptr, %a_end 72 br i1 %cmp, label %for.body, label %for.end 73 74for.end: ; preds = %for.body, %entry 75 ret void 76} 77 78 79define void @test2(float* %a, float* readnone %a_end, float** %b.float) { 80; CHECK-LABEL: @test2 81entry: 82 %cmp1 = icmp ult float* %a, %a_end 83 br i1 %cmp1, label %for.body.preheader, label %for.end 84 85for.body.preheader: ; preds = %entry 86 %b.i64 = bitcast float** %b.float to i64* 87 %b = load i64, i64* %b.i64, align 8 88; CHECK: load float*, float** 89 br label %for.body 90 91for.body: ; preds = %for.body, %for.body.preheader 92 %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 93 %b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ] 94 95; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 96; CHECK: %b.addr.02.ptr = phi float* [ %add, %for.body ], 97; CHECK-NOT: %b.addr.02 = phi i64 98 99 %tmp = inttoptr i64 %b.addr.02 to float* 100; CHECK-NOT: inttoptr i64 101 %tmp1 = load float, float* %tmp, align 4 102; CHECK: = load 103 %mul.i = fmul float %tmp1, 4.200000e+01 104 store float %mul.i, float* %a.addr.03, align 4 105 %add = getelementptr inbounds float, float* %tmp, i64 1 106; CHECK: %add = 107 %add.int = ptrtoint float* %add to i64 108; CHECK-NOT: ptrtoint float* 109 %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1 110; CHECK: %incdec.ptr = 111 %cmp = icmp ult float* %incdec.ptr, %a_end 112 br i1 %cmp, label %for.body, label %for.end 113 114for.end: ; preds = %for.body, %entry 115 ret void 116} 117 118 119define void @test3(float* %a, float* readnone %a_end, i8** %b.i8p) { 120; CHECK-LABEL: @test3 121entry: 122 %cmp1 = icmp ult float* %a, %a_end 123 br i1 %cmp1, label %for.body.preheader, label %for.end 124 125for.body.preheader: ; preds = %entry 126 %b.i64 = bitcast i8** %b.i8p to i64* 127 %b = load i64, i64* %b.i64, align 8 128; CHECK: load float*, float** 129 br label %for.body 130 131for.body: ; preds = %for.body, %for.body.preheader 132 %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 133 %b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ] 134 135; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 136; CHECK: %b.addr.02.ptr = phi float* [ %add, %for.body ], 137; CHECK-NOT: %b.addr.02 = phi i64 138 139 %tmp = inttoptr i64 %b.addr.02 to float* 140; CHECK-NOT: inttoptr i64 141 %tmp1 = load float, float* %tmp, align 4 142; CHECK: = load 143 %mul.i = fmul float %tmp1, 4.200000e+01 144 store float %mul.i, float* %a.addr.03, align 4 145 %add = getelementptr inbounds float, float* %tmp, i64 1 146; CHECK: %add = getelementptr 147 %add.int = ptrtoint float* %add to i64 148; CHECK-NOT: ptrtoint float* 149 %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1 150; CHECK: %incdec.ptr = 151 %cmp = icmp ult float* %incdec.ptr, %a_end 152 br i1 %cmp, label %for.body, label %for.end 153 154for.end: ; preds = %for.body, %entry 155 ret void 156} 157 158 159define void @test4(float* %a, float* readnone %a_end, float** %b.float) { 160entry: 161; CHECK-LABEL: @test4 162 %cmp1 = icmp ult float* %a, %a_end 163 br i1 %cmp1, label %for.body.preheader, label %for.end 164 165for.body.preheader: ; preds = %entry 166 %b.f = load float*, float** %b.float, align 8 167 %b = ptrtoint float* %b.f to i64 168; CHECK: load float*, float** 169; CHECK-NOT: ptrtoint float* 170 br label %for.body 171; CHECK: br label %for.body 172 173for.body: ; preds = %for.body, %for.body.preheader 174 %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 175 %b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ] 176 %tmp = inttoptr i64 %b.addr.02 to float* 177; CHECK-NOT: inttoptr i64 178 %tmp1 = load float, float* %tmp, align 4 179; CHECK: = load 180 %mul.i = fmul float %tmp1, 4.200000e+01 181 store float %mul.i, float* %a.addr.03, align 4 182 %add = getelementptr inbounds float, float* %tmp, i64 1 183; CHECK: %add = 184 %add.int = ptrtoint float* %add to i64 185; CHECK-NOT: ptrtoint float* 186 %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1 187; CHECK: %incdec.ptr = 188 %cmp = icmp ult float* %incdec.ptr, %a_end 189 br i1 %cmp, label %for.body, label %for.end 190 191for.end: ; preds = %for.body, %entry 192 ret void 193} 194