1 ; RUN: llc < %s -mtriple=i386-apple-darwin10 -mcpu=penryn | FileCheck %s 2 3 ; rdar://7475489 4 5 define i32 @test1(i32 %a, i32 %b) nounwind ssp { 6 entry: 7 ; CHECK-LABEL: test1: 8 ; CHECK: xorb 9 ; CHECK-NOT: andb 10 ; CHECK-NOT: shrb 11 ; CHECK: testb $64 12 %0 = and i32 %a, 16384 13 %1 = icmp ne i32 %0, 0 14 %2 = and i32 %b, 16384 15 %3 = icmp ne i32 %2, 0 16 %4 = xor i1 %1, %3 17 br i1 %4, label %bb1, label %bb 18 19 bb: ; preds = %entry 20 %5 = tail call i32 (...) @foo() nounwind ; <i32> [#uses=1] 21 ret i32 %5 22 23 bb1: ; preds = %entry 24 %6 = tail call i32 (...) @bar() nounwind ; <i32> [#uses=1] 25 ret i32 %6 26 } 27 28 declare i32 @foo(...) 29 30 declare i32 @bar(...) 31 32 33 34 ; PR3351 - (P == 0) & (Q == 0) -> (P|Q) == 0 35 define i32 @test2(i32* %P, i32* %Q) nounwind ssp { 36 entry: 37 %a = icmp eq i32* %P, null ; <i1> [#uses=1] 38 %b = icmp eq i32* %Q, null ; <i1> [#uses=1] 39 %c = and i1 %a, %b 40 br i1 %c, label %bb1, label %return 41 42 bb1: ; preds = %entry 43 ret i32 4 44 45 return: ; preds = %entry 46 ret i32 192 47 ; CHECK-LABEL: test2: 48 ; CHECK: movl 4(%esp), %eax 49 ; CHECK-NEXT: orl 8(%esp), %eax 50 ; CHECK-NEXT: jne LBB1_2 51 } 52 53 ; PR3351 - (P != 0) | (Q != 0) -> (P|Q) != 0 54 define i32 @test3(i32* %P, i32* %Q) nounwind ssp { 55 entry: 56 %a = icmp ne i32* %P, null ; <i1> [#uses=1] 57 %b = icmp ne i32* %Q, null ; <i1> [#uses=1] 58 %c = or i1 %a, %b 59 br i1 %c, label %bb1, label %return 60 61 bb1: ; preds = %entry 62 ret i32 4 63 64 return: ; preds = %entry 65 ret i32 192 66 ; CHECK-LABEL: test3: 67 ; CHECK: movl 4(%esp), %eax 68 ; CHECK-NEXT: orl 8(%esp), %eax 69 ; CHECK-NEXT: je LBB2_2 70 } 71 72 ; <rdar://problem/7598384>: 73 ; 74 ; jCC L1 75 ; jmp L2 76 ; L1: 77 ; ... 78 ; L2: 79 ; ... 80 ; 81 ; to: 82 ; 83 ; jnCC L2 84 ; L1: 85 ; ... 86 ; L2: 87 ; ... 88 define float @test4(float %x, float %y) nounwind readnone optsize ssp { 89 entry: 90 %0 = fpext float %x to double ; <double> [#uses=1] 91 %1 = fpext float %y to double ; <double> [#uses=1] 92 %2 = fmul double %0, %1 ; <double> [#uses=3] 93 %3 = fcmp oeq double %2, 0.000000e+00 ; <i1> [#uses=1] 94 br i1 %3, label %bb2, label %bb1 95 96 ; CHECK: jne 97 ; CHECK-NEXT: jnp 98 ; CHECK-NOT: jmp 99 ; CHECK: LBB 100 101 bb1: ; preds = %entry 102 %4 = fadd double %2, -1.000000e+00 ; <double> [#uses=1] 103 br label %bb2 104 105 bb2: ; preds = %entry, %bb1 106 %.0.in = phi double [ %4, %bb1 ], [ %2, %entry ] ; <double> [#uses=1] 107 %.0 = fptrunc double %.0.in to float ; <float> [#uses=1] 108 ret float %.0 109 } 110 111 declare i32 @llvm.x86.sse41.ptestz(<4 x float> %p1, <4 x float> %p2) nounwind 112 declare i32 @llvm.x86.sse41.ptestc(<4 x float> %p1, <4 x float> %p2) nounwind 113 114 define <4 x float> @test5(<4 x float> %a, <4 x float> %b) nounwind { 115 entry: 116 ; CHECK-LABEL: test5: 117 ; CHECK: ptest 118 ; CHECK-NEXT: jne 119 ; CHECK: ret 120 121 %res = call i32 @llvm.x86.sse41.ptestz(<4 x float> %a, <4 x float> %a) nounwind 122 %one = icmp ne i32 %res, 0 123 br i1 %one, label %bb1, label %bb2 124 125 bb1: 126 %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 127 br label %return 128 129 bb2: 130 %d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 131 br label %return 132 133 return: 134 %e = phi <4 x float> [%c, %bb1], [%d, %bb2] 135 ret <4 x float> %e 136 } 137 138 define <4 x float> @test7(<4 x float> %a, <4 x float> %b) nounwind { 139 entry: 140 ; CHECK-LABEL: test7: 141 ; CHECK: ptest 142 ; CHECK-NEXT: jne 143 ; CHECK: ret 144 145 %res = call i32 @llvm.x86.sse41.ptestz(<4 x float> %a, <4 x float> %a) nounwind 146 %one = trunc i32 %res to i1 147 br i1 %one, label %bb1, label %bb2 148 149 bb1: 150 %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 151 br label %return 152 153 bb2: 154 %d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 155 br label %return 156 157 return: 158 %e = phi <4 x float> [%c, %bb1], [%d, %bb2] 159 ret <4 x float> %e 160 } 161 162 define <4 x float> @test8(<4 x float> %a, <4 x float> %b) nounwind { 163 entry: 164 ; CHECK-LABEL: test8: 165 ; CHECK: ptest 166 ; CHECK-NEXT: jae 167 ; CHECK: ret 168 169 %res = call i32 @llvm.x86.sse41.ptestc(<4 x float> %a, <4 x float> %a) nounwind 170 %one = icmp ne i32 %res, 0 171 br i1 %one, label %bb1, label %bb2 172 173 bb1: 174 %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 175 br label %return 176 177 bb2: 178 %d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 179 br label %return 180 181 return: 182 %e = phi <4 x float> [%c, %bb1], [%d, %bb2] 183 ret <4 x float> %e 184 } 185 186 define <4 x float> @test10(<4 x float> %a, <4 x float> %b) nounwind { 187 entry: 188 ; CHECK-LABEL: test10: 189 ; CHECK: ptest 190 ; CHECK-NEXT: jae 191 ; CHECK: ret 192 193 %res = call i32 @llvm.x86.sse41.ptestc(<4 x float> %a, <4 x float> %a) nounwind 194 %one = trunc i32 %res to i1 195 br i1 %one, label %bb1, label %bb2 196 197 bb1: 198 %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 199 br label %return 200 201 bb2: 202 %d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 203 br label %return 204 205 return: 206 %e = phi <4 x float> [%c, %bb1], [%d, %bb2] 207 ret <4 x float> %e 208 } 209 210 define <4 x float> @test11(<4 x float> %a, <4 x float> %b) nounwind { 211 entry: 212 ; CHECK-LABEL: test11: 213 ; CHECK: ptest 214 ; CHECK-NEXT: jne 215 ; CHECK: ret 216 217 %res = call i32 @llvm.x86.sse41.ptestz(<4 x float> %a, <4 x float> %a) nounwind 218 %one = icmp eq i32 %res, 1 219 br i1 %one, label %bb1, label %bb2 220 221 bb1: 222 %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 223 br label %return 224 225 bb2: 226 %d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 227 br label %return 228 229 return: 230 %e = phi <4 x float> [%c, %bb1], [%d, %bb2] 231 ret <4 x float> %e 232 } 233 234 define <4 x float> @test12(<4 x float> %a, <4 x float> %b) nounwind { 235 entry: 236 ; CHECK-LABEL: test12: 237 ; CHECK: ptest 238 ; CHECK-NEXT: je 239 ; CHECK: ret 240 241 %res = call i32 @llvm.x86.sse41.ptestz(<4 x float> %a, <4 x float> %a) nounwind 242 %one = icmp ne i32 %res, 1 243 br i1 %one, label %bb1, label %bb2 244 245 bb1: 246 %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 247 br label %return 248 249 bb2: 250 %d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 > 251 br label %return 252 253 return: 254 %e = phi <4 x float> [%c, %bb1], [%d, %bb2] 255 ret <4 x float> %e 256 } 257 258
