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83
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1 ; RUN: llc < %s -mtriple=x86_64-darwin -mattr=+mmx,+sse2 | FileCheck %s
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2
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3 define i64 @t0(x86_mmx* %p) {
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4 ; CHECK-LABEL: t0:
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5 ; CHECK: ## BB#0:
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6 ; CHECK-NEXT: movq
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7 ; CHECK-NEXT: paddq %mm0, %mm0
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8 ; CHECK-NEXT: movd %mm0, %rax
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9 ; CHECK-NEXT: retq
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10 %t = load x86_mmx* %p
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11 %u = tail call x86_mmx @llvm.x86.mmx.padd.q(x86_mmx %t, x86_mmx %t)
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12 %s = bitcast x86_mmx %u to i64
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13 ret i64 %s
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14 }
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15
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16 define i64 @t1(x86_mmx* %p) {
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17 ; CHECK-LABEL: t1:
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18 ; CHECK: ## BB#0:
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19 ; CHECK-NEXT: movq
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20 ; CHECK-NEXT: paddd %mm0, %mm0
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21 ; CHECK-NEXT: movd %mm0, %rax
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22 ; CHECK-NEXT: retq
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23 %t = load x86_mmx* %p
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24 %u = tail call x86_mmx @llvm.x86.mmx.padd.d(x86_mmx %t, x86_mmx %t)
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25 %s = bitcast x86_mmx %u to i64
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26 ret i64 %s
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27 }
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28
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29 define i64 @t2(x86_mmx* %p) {
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30 ; CHECK-LABEL: t2:
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31 ; CHECK: ## BB#0:
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32 ; CHECK-NEXT: movq
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33 ; CHECK-NEXT: paddw %mm0, %mm0
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34 ; CHECK-NEXT: movd %mm0, %rax
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35 ; CHECK-NEXT: retq
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36 %t = load x86_mmx* %p
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37 %u = tail call x86_mmx @llvm.x86.mmx.padd.w(x86_mmx %t, x86_mmx %t)
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38 %s = bitcast x86_mmx %u to i64
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39 ret i64 %s
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40 }
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41
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42 define i64 @t3(x86_mmx* %p) {
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43 ; CHECK-LABEL: t3:
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44 ; CHECK: ## BB#0:
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45 ; CHECK-NEXT: movq
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46 ; CHECK-NEXT: paddb %mm0, %mm0
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47 ; CHECK-NEXT: movd %mm0, %rax
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48 ; CHECK-NEXT: retq
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49 %t = load x86_mmx* %p
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50 %u = tail call x86_mmx @llvm.x86.mmx.padd.b(x86_mmx %t, x86_mmx %t)
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51 %s = bitcast x86_mmx %u to i64
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52 ret i64 %s
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53 }
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54
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55 @R = external global x86_mmx
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56
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57 define void @t4(<1 x i64> %A, <1 x i64> %B) {
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58 ; CHECK-LABEL: t4:
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59 ; CHECK: ## BB#0: ## %entry
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60 ; CHECK-NEXT: movd
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61 ; CHECK-NEXT: movd
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62 ; CHECK: retq
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63 entry:
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64 %tmp2 = bitcast <1 x i64> %A to x86_mmx
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65 %tmp3 = bitcast <1 x i64> %B to x86_mmx
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66 %tmp7 = tail call x86_mmx @llvm.x86.mmx.paddus.w(x86_mmx %tmp2, x86_mmx %tmp3)
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67 store x86_mmx %tmp7, x86_mmx* @R
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68 tail call void @llvm.x86.mmx.emms()
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69 ret void
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70 }
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71
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72 define i64 @t5(i32 %a, i32 %b) nounwind readnone {
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73 ; CHECK-LABEL: t5:
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74 ; CHECK: ## BB#0:
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75 ; CHECK-NEXT: movd
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76 ; CHECK-NEXT: movd
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77 ; CHECK-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
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78 ; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm1[0,1,1,3]
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79 ; CHECK-NEXT: movd %xmm0, %rax
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80 ; CHECK-NEXT: retq
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81 %v0 = insertelement <2 x i32> undef, i32 %a, i32 0
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82 %v1 = insertelement <2 x i32> %v0, i32 %b, i32 1
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83 %conv = bitcast <2 x i32> %v1 to i64
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84 ret i64 %conv
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85 }
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86
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87 declare x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx, i32)
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88
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89 define <1 x i64> @t6(i64 %t) {
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90 ; CHECK-LABEL: t6:
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91 ; CHECK: ## BB#0:
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92 ; CHECK-NEXT: movd
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93 ; CHECK-NEXT: psllq $48, %mm0
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94 ; CHECK-NEXT: movd %mm0, %rax
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95 ; CHECK-NEXT: retq
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96 %t1 = insertelement <1 x i64> undef, i64 %t, i32 0
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97 %t0 = bitcast <1 x i64> %t1 to x86_mmx
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98 %t2 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %t0, i32 48)
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99 %t3 = bitcast x86_mmx %t2 to <1 x i64>
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100 ret <1 x i64> %t3
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101 }
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102
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103 declare x86_mmx @llvm.x86.mmx.paddus.w(x86_mmx, x86_mmx)
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104 declare x86_mmx @llvm.x86.mmx.padd.b(x86_mmx, x86_mmx)
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105 declare x86_mmx @llvm.x86.mmx.padd.w(x86_mmx, x86_mmx)
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106 declare x86_mmx @llvm.x86.mmx.padd.d(x86_mmx, x86_mmx)
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107 declare x86_mmx @llvm.x86.mmx.padd.q(x86_mmx, x86_mmx)
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108 declare void @llvm.x86.mmx.emms()
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109
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