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120
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1 ; RUN: llc -mattr=avr6,sram < %s -march=avr | FileCheck %s
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2
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3 define i8 @load8(i8* %x) {
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4 ; CHECK-LABEL: load8:
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5 ; CHECK: ld r24, {{[XYZ]}}
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6 %1 = load i8, i8* %x
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7 ret i8 %1
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8 }
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9
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10 define i16 @load16(i16* %x) {
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11 ; CHECK-LABEL: load16:
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121
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12 ; CHECK: ld r24, {{[XYZ]}}+
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13 ; CHECK: ld r25, {{[XYZ]}}
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120
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14 %1 = load i16, i16* %x
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15 ret i16 %1
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16 }
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17
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18 define i8 @load8disp(i8* %x) {
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19 ; CHECK-LABEL: load8disp:
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20 ; CHECK: ldd r24, {{[YZ]}}+63
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21 %1 = getelementptr inbounds i8, i8* %x, i64 63
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22 %2 = load i8, i8* %1
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23 ret i8 %2
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24 }
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25
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26 define i8 @load8nodisp(i8* %x) {
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27 ; CHECK-LABEL: load8nodisp:
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28 ; CHECK: movw r26, r24
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29 ; CHECK: subi r26, 192
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30 ; CHECK: sbci r27, 255
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31 ; CHECK: ld r24, {{[XYZ]}}
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32 %1 = getelementptr inbounds i8, i8* %x, i64 64
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33 %2 = load i8, i8* %1
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34 ret i8 %2
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35 }
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36
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37 define i16 @load16disp(i16* %x) {
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38 ; CHECK-LABEL: load16disp:
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39 ; CHECK: ldd r24, {{[YZ]}}+62
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40 ; CHECK: ldd r25, {{[YZ]}}+63
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41 %1 = getelementptr inbounds i16, i16* %x, i64 31
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42 %2 = load i16, i16* %1
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43 ret i16 %2
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44 }
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45
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46 define i16 @load16nodisp(i16* %x) {
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47 ; CHECK-LABEL: load16nodisp:
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121
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48 ; CHECK: movw r26, r24
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49 ; CHECK: subi r26, 192
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50 ; CHECK: sbci r27, 255
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51 ; CHECK: ld r24, {{[XYZ]}}+
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52 ; CHECK: ld r25, {{[XYZ]}}
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120
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53 %1 = getelementptr inbounds i16, i16* %x, i64 32
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54 %2 = load i16, i16* %1
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55 ret i16 %2
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56 }
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57
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58 define i8 @load8postinc(i8* %x, i8 %y) {
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59 ; CHECK-LABEL: load8postinc:
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60 ; CHECK: ld {{.*}}, {{[XYZ]}}+
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61 entry:
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62 %tobool6 = icmp eq i8 %y, 0
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63 br i1 %tobool6, label %while.end, label %while.body
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64 while.body: ; preds = %entry, %while.body
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65 %r.09 = phi i8 [ %add, %while.body ], [ 0, %entry ]
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66 %y.addr.08 = phi i8 [ %dec, %while.body ], [ %y, %entry ]
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67 %x.addr.07 = phi i8* [ %incdec.ptr, %while.body ], [ %x, %entry ]
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68 %dec = add i8 %y.addr.08, -1
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69 %incdec.ptr = getelementptr inbounds i8, i8* %x.addr.07, i16 1
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70 %0 = load i8, i8* %x.addr.07
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71 %add = add i8 %0, %r.09
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72 %tobool = icmp eq i8 %dec, 0
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73 br i1 %tobool, label %while.end, label %while.body
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74 while.end: ; preds = %while.body, %entry
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75 %r.0.lcssa = phi i8 [ 0, %entry ], [ %add, %while.body ]
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76 ret i8 %r.0.lcssa
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77 }
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78
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79 define i16 @load16postinc(i16* %x, i16 %y) {
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80 ; CHECK-LABEL: load16postinc:
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81 ; CHECK: ld {{.*}}, {{[XYZ]}}+
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82 ; CHECK: ld {{.*}}, {{[XYZ]}}+
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83 entry:
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84 %tobool2 = icmp eq i16 %y, 0
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85 br i1 %tobool2, label %while.end, label %while.body
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86 while.body: ; preds = %entry, %while.body
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87 %r.05 = phi i16 [ %add, %while.body ], [ 0, %entry ]
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88 %y.addr.04 = phi i16 [ %dec, %while.body ], [ %y, %entry ]
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89 %x.addr.03 = phi i16* [ %incdec.ptr, %while.body ], [ %x, %entry ]
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90 %dec = add nsw i16 %y.addr.04, -1
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91 %incdec.ptr = getelementptr inbounds i16, i16* %x.addr.03, i16 1
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92 %0 = load i16, i16* %x.addr.03
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93 %add = add nsw i16 %0, %r.05
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94 %tobool = icmp eq i16 %dec, 0
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95 br i1 %tobool, label %while.end, label %while.body
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96 while.end: ; preds = %while.body, %entry
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97 %r.0.lcssa = phi i16 [ 0, %entry ], [ %add, %while.body ]
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98 ret i16 %r.0.lcssa
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99 }
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100
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101 define i8 @load8predec(i8* %x, i8 %y) {
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102 ; CHECK-LABEL: load8predec:
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103 ; CHECK: ld {{.*}}, -{{[XYZ]}}
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104 entry:
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105 %tobool6 = icmp eq i8 %y, 0
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106 br i1 %tobool6, label %while.end, label %while.body
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107 while.body: ; preds = %entry, %while.body
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108 %r.09 = phi i8 [ %add, %while.body ], [ 0, %entry ]
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109 %y.addr.08 = phi i8 [ %dec, %while.body ], [ %y, %entry ]
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110 %x.addr.07 = phi i8* [ %incdec.ptr, %while.body ], [ %x, %entry ]
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111 %dec = add i8 %y.addr.08, -1
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112 %incdec.ptr = getelementptr inbounds i8, i8* %x.addr.07, i16 -1
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113 %0 = load i8, i8* %incdec.ptr
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114 %add = add i8 %0, %r.09
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115 %tobool = icmp eq i8 %dec, 0
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116 br i1 %tobool, label %while.end, label %while.body
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117 while.end: ; preds = %while.body, %entry
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118 %r.0.lcssa = phi i8 [ 0, %entry ], [ %add, %while.body ]
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119 ret i8 %r.0.lcssa
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120 }
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121
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122 define i16 @load16predec(i16* %x, i16 %y) {
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123 ; CHECK-LABEL: load16predec:
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124 ; CHECK: ld {{.*}}, -{{[XYZ]}}
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125 ; CHECK: ld {{.*}}, -{{[XYZ]}}
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126 entry:
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127 %tobool2 = icmp eq i16 %y, 0
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128 br i1 %tobool2, label %while.end, label %while.body
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129 while.body: ; preds = %entry, %while.body
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130 %r.05 = phi i16 [ %add, %while.body ], [ 0, %entry ]
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131 %y.addr.04 = phi i16 [ %dec, %while.body ], [ %y, %entry ]
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132 %x.addr.03 = phi i16* [ %incdec.ptr, %while.body ], [ %x, %entry ]
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133 %dec = add nsw i16 %y.addr.04, -1
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134 %incdec.ptr = getelementptr inbounds i16, i16* %x.addr.03, i16 -1
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135 %0 = load i16, i16* %incdec.ptr
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136 %add = add nsw i16 %0, %r.05
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137 %tobool = icmp eq i16 %dec, 0
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138 br i1 %tobool, label %while.end, label %while.body
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139 while.end: ; preds = %while.body, %entry
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140 %r.0.lcssa = phi i16 [ 0, %entry ], [ %add, %while.body ]
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141 ret i16 %r.0.lcssa
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142 }
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