1 ; RUN: llc < %s -mtriple=armv7-apple-ios | FileCheck %s 2 3 @in = global float 0x400921FA00000000, align 4 4 @iin = global i32 -1023, align 4 5 @uin = global i32 1023, align 4 6 7 declare void @foo_int32x4_t(<4 x i32>) 8 9 ; Test signed conversion. 10 ; CHECK: t1 11 ; CHECK-NOT: {{vdiv|vmul}} 12 define void @t1() nounwind { 13 entry: 14 %tmp = load i32* @iin, align 4, !tbaa !3 15 %vecinit.i = insertelement <2 x i32> undef, i32 %tmp, i32 0 16 %vecinit2.i = insertelement <2 x i32> %vecinit.i, i32 %tmp, i32 1 17 %vcvt.i = sitofp <2 x i32> %vecinit2.i to <2 x float> 18 %div.i = fdiv <2 x float> %vcvt.i, <float 8.000000e+00, float 8.000000e+00> 19 tail call void @foo_float32x2_t(<2 x float> %div.i) nounwind 20 ret void 21 } 22 23 declare void @foo_float32x2_t(<2 x float>) 24 25 ; Test unsigned conversion. 26 ; CHECK: t2 27 ; CHECK-NOT: {{vdiv|vmul}} 28 define void @t2() nounwind { 29 entry: 30 %tmp = load i32* @uin, align 4, !tbaa !3 31 %vecinit.i = insertelement <2 x i32> undef, i32 %tmp, i32 0 32 %vecinit2.i = insertelement <2 x i32> %vecinit.i, i32 %tmp, i32 1 33 %vcvt.i = uitofp <2 x i32> %vecinit2.i to <2 x float> 34 %div.i = fdiv <2 x float> %vcvt.i, <float 8.000000e+00, float 8.000000e+00> 35 tail call void @foo_float32x2_t(<2 x float> %div.i) nounwind 36 ret void 37 } 38 39 ; Test which should not fold due to non-power of 2. 40 ; CHECK: t3 41 ; CHECK: {{vdiv|vmul}} 42 define void @t3() nounwind { 43 entry: 44 %tmp = load i32* @iin, align 4, !tbaa !3 45 %vecinit.i = insertelement <2 x i32> undef, i32 %tmp, i32 0 46 %vecinit2.i = insertelement <2 x i32> %vecinit.i, i32 %tmp, i32 1 47 %vcvt.i = sitofp <2 x i32> %vecinit2.i to <2 x float> 48 %div.i = fdiv <2 x float> %vcvt.i, <float 0x401B333340000000, float 0x401B333340000000> 49 tail call void @foo_float32x2_t(<2 x float> %div.i) nounwind 50 ret void 51 } 52 53 ; Test which should not fold due to power of 2 out of range. 54 ; CHECK: t4 55 ; CHECK: {{vdiv|vmul}} 56 define void @t4() nounwind { 57 entry: 58 %tmp = load i32* @iin, align 4, !tbaa !3 59 %vecinit.i = insertelement <2 x i32> undef, i32 %tmp, i32 0 60 %vecinit2.i = insertelement <2 x i32> %vecinit.i, i32 %tmp, i32 1 61 %vcvt.i = sitofp <2 x i32> %vecinit2.i to <2 x float> 62 %div.i = fdiv <2 x float> %vcvt.i, <float 0x4200000000000000, float 0x4200000000000000> 63 tail call void @foo_float32x2_t(<2 x float> %div.i) nounwind 64 ret void 65 } 66 67 ; Test case where const is max power of 2 (i.e., 2^32). 68 ; CHECK: t5 69 ; CHECK-NOT: {{vdiv|vmul}} 70 define void @t5() nounwind { 71 entry: 72 %tmp = load i32* @iin, align 4, !tbaa !3 73 %vecinit.i = insertelement <2 x i32> undef, i32 %tmp, i32 0 74 %vecinit2.i = insertelement <2 x i32> %vecinit.i, i32 %tmp, i32 1 75 %vcvt.i = sitofp <2 x i32> %vecinit2.i to <2 x float> 76 %div.i = fdiv <2 x float> %vcvt.i, <float 0x41F0000000000000, float 0x41F0000000000000> 77 tail call void @foo_float32x2_t(<2 x float> %div.i) nounwind 78 ret void 79 } 80 81 ; Test quadword. 82 ; CHECK: t6 83 ; CHECK-NOT: {{vdiv|vmul}} 84 define void @t6() nounwind { 85 entry: 86 %tmp = load i32* @iin, align 4, !tbaa !3 87 %vecinit.i = insertelement <4 x i32> undef, i32 %tmp, i32 0 88 %vecinit2.i = insertelement <4 x i32> %vecinit.i, i32 %tmp, i32 1 89 %vecinit4.i = insertelement <4 x i32> %vecinit2.i, i32 %tmp, i32 2 90 %vecinit6.i = insertelement <4 x i32> %vecinit4.i, i32 %tmp, i32 3 91 %vcvt.i = sitofp <4 x i32> %vecinit6.i to <4 x float> 92 %div.i = fdiv <4 x float> %vcvt.i, <float 8.000000e+00, float 8.000000e+00, float 8.000000e+00, float 8.000000e+00> 93 tail call void @foo_float32x4_t(<4 x float> %div.i) nounwind 94 ret void 95 } 96 97 declare void @foo_float32x4_t(<4 x float>) 98 99 !0 = metadata !{metadata !"float", metadata !1} 100 !1 = metadata !{metadata !"omnipotent char", metadata !2} 101 !2 = metadata !{metadata !"Simple C/C++ TBAA", null} 102 !3 = metadata !{metadata !"int", metadata !1} 103
