1 ; RUN: llc -mtriple=arm-apple-darwin %s -o - | FileCheck %s 2 3 ; RUN: llc -mtriple=arm-eabi -mattr=+vfp2 %s -o - \ 4 ; RUN: | FileCheck %s --check-prefix=CHECK-VFP 5 6 ; RUN: llc -mtriple=thumbv7-apple-darwin -mattr=+neon,+thumb2 %s -o - \ 7 ; RUN: | FileCheck %s --check-prefix=CHECK-NEON 8 9 define i32 @f1(i32 %a.s) { 10 ;CHECK-LABEL: f1: 11 ;CHECK: moveq 12 entry: 13 %tmp = icmp eq i32 %a.s, 4 14 %tmp1.s = select i1 %tmp, i32 2, i32 3 15 ret i32 %tmp1.s 16 } 17 18 define i32 @f2(i32 %a.s) { 19 ;CHECK-LABEL: f2: 20 ;CHECK: movgt 21 entry: 22 %tmp = icmp sgt i32 %a.s, 4 23 %tmp1.s = select i1 %tmp, i32 2, i32 3 24 ret i32 %tmp1.s 25 } 26 27 define i32 @f3(i32 %a.s, i32 %b.s) { 28 ;CHECK-LABEL: f3: 29 ;CHECK: movlt 30 entry: 31 %tmp = icmp slt i32 %a.s, %b.s 32 %tmp1.s = select i1 %tmp, i32 2, i32 3 33 ret i32 %tmp1.s 34 } 35 36 define i32 @f4(i32 %a.s, i32 %b.s) { 37 ;CHECK-LABEL: f4: 38 ;CHECK: movle 39 entry: 40 %tmp = icmp sle i32 %a.s, %b.s 41 %tmp1.s = select i1 %tmp, i32 2, i32 3 42 ret i32 %tmp1.s 43 } 44 45 define i32 @f5(i32 %a.u, i32 %b.u) { 46 ;CHECK-LABEL: f5: 47 ;CHECK: movls 48 entry: 49 %tmp = icmp ule i32 %a.u, %b.u 50 %tmp1.s = select i1 %tmp, i32 2, i32 3 51 ret i32 %tmp1.s 52 } 53 54 define i32 @f6(i32 %a.u, i32 %b.u) { 55 ;CHECK-LABEL: f6: 56 ;CHECK: movhi 57 entry: 58 %tmp = icmp ugt i32 %a.u, %b.u 59 %tmp1.s = select i1 %tmp, i32 2, i32 3 60 ret i32 %tmp1.s 61 } 62 63 define double @f7(double %a, double %b) { 64 ;CHECK-LABEL: f7: 65 ;CHECK: movlt 66 ;CHECK: movge 67 ;CHECK-VFP-LABEL: f7: 68 ;CHECK-VFP: vmovmi 69 %tmp = fcmp olt double %a, 1.234e+00 70 %tmp1 = select i1 %tmp, double -1.000e+00, double %b 71 ret double %tmp1 72 } 73 74 ; <rdar://problem/7260094> 75 ; 76 ; We used to generate really horrible code for this function. The main cause was 77 ; a lack of a custom lowering routine for an ISD::SELECT. This would result in 78 ; two "it" blocks in the code: one for the "icmp" and another to move the index 79 ; into the constant pool based on the value of the "icmp". If we have one "it" 80 ; block generated, odds are good that we have close to the ideal code for this: 81 ; 82 ; CHECK-NEON-LABEL: f8: 83 ; CHECK-NEON: movw [[R3:r[0-9]+]], #1123 84 ; CHECK-NEON: adr [[R2:r[0-9]+]], LCPI7_0 85 ; CHECK-NEON-NEXT: cmp r0, [[R3]] 86 ; CHECK-NEON-NEXT: it eq 87 ; CHECK-NEON-NEXT: addeq{{.*}} [[R2]], #4 88 ; CHECK-NEON-NEXT: ldr 89 ; CHECK-NEON: bx 90 91 define arm_apcscc float @f8(i32 %a) nounwind { 92 %tmp = icmp eq i32 %a, 1123 93 %tmp1 = select i1 %tmp, float 0x3FF3BE76C0000000, float 0x40030E9A20000000 94 ret float %tmp1 95 } 96 97 ; <rdar://problem/9049552> 98 ; Glue values can only have a single use, but the following test exposed a 99 ; case where a SELECT was lowered with 2 uses of a comparison, causing the 100 ; scheduler to assert. 101 ; CHECK-VFP-LABEL: f9: 102 103 declare i8* @objc_msgSend(i8*, i8*, ...) 104 define void @f9() optsize { 105 entry: 106 %cmp = icmp eq i8* undef, inttoptr (i32 4 to i8*) 107 %conv191 = select i1 %cmp, float -3.000000e+00, float 0.000000e+00 108 %conv195 = select i1 %cmp, double -1.000000e+00, double 0.000000e+00 109 %add = fadd double %conv195, 1.100000e+01 110 %conv196 = fptrunc double %add to float 111 %add201 = fadd float undef, %conv191 112 %tmp484 = bitcast float %conv196 to i32 113 %tmp478 = bitcast float %add201 to i32 114 %tmp490 = insertvalue [2 x i32] undef, i32 %tmp484, 0 115 %tmp493 = insertvalue [2 x i32] %tmp490, i32 %tmp478, 1 116 call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, [2 x i32], i32, float)*)(i8* undef, i8* undef, [2 x i32] %tmp493, i32 0, float 1.000000e+00) optsize 117 ret void 118 } 119 120 ; CHECK-LABEL: f10: 121 define float @f10(i32 %a, i32 %b) nounwind uwtable readnone ssp { 122 ; CHECK-NOT: floatsisf 123 %1 = icmp eq i32 %a, %b 124 %2 = zext i1 %1 to i32 125 %3 = sitofp i32 %2 to float 126 ret float %3 127 } 128 129 ; CHECK-LABEL: f11: 130 define float @f11(i32 %a, i32 %b) nounwind uwtable readnone ssp { 131 ; CHECK-NOT: floatsisf 132 %1 = icmp eq i32 %a, %b 133 %2 = sitofp i1 %1 to float 134 ret float %2 135 } 136 137 ; CHECK-LABEL: f12: 138 define float @f12(i32 %a, i32 %b) nounwind uwtable readnone ssp { 139 ; CHECK-NOT: floatunsisf 140 %1 = icmp eq i32 %a, %b 141 %2 = uitofp i1 %1 to float 142 ret float %2 143 } 144 145
