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121
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1 ; RUN: not llc < %s -march=bpfel | FileCheck %s
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83
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2
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3 @foo_printf.fmt = private unnamed_addr constant [9 x i8] c"hello \0A\00", align 1
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4
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5 ; Function Attrs: nounwind readnone uwtable
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6 define i32 @foo_int(i32 %a, i32 %b) #0 {
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7 %1 = add nsw i32 %b, %a
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8 ret i32 %1
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9 ; CHECK-LABEL: foo_int:
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120
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10 ; CHECK: r2 += r1
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83
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11 }
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12
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13 ; Function Attrs: nounwind readnone uwtable
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14 define signext i8 @foo_char(i8 signext %a, i8 signext %b) #0 {
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15 %1 = add i8 %b, %a
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16 ret i8 %1
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17 ; CHECK-LABEL: foo_char:
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120
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18 ; CHECK: r2 += r1
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19 ; CHECK: r2 <<= 56
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20 ; CHECK: r2 s>>= 56
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83
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21 }
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22
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23 ; Function Attrs: nounwind readnone uwtable
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24 define i64 @foo_ll(i64 %a, i64 %b, i64 %c) #0 {
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25 %1 = add nsw i64 %b, %a
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26 %2 = sub i64 %1, %c
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27 ret i64 %2
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28 ; CHECK-LABEL: foo_ll:
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120
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29 ; CHECK: r2 += r1
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30 ; CHECK: r2 -= r3
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31 ; CHECK: r0 = r2
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83
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32 }
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33
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34 ; Function Attrs: nounwind uwtable
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35 define void @foo_call2(i32 %a, i32 %b) #1 {
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36 %1 = trunc i32 %b to i8
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37 tail call void @foo_2arg(i8 signext %1, i32 %a) #3
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38 ret void
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39 ; CHECK-LABEL: foo_call2:
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120
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40 ; CHECK: r2 <<= 56
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41 ; CHECK: r2 s>>= 56
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42 ; CHECK: r1 = r2
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83
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43 }
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44
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45 declare void @foo_2arg(i8 signext, i32) #2
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46
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47 ; Function Attrs: nounwind uwtable
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48 define i32 @foo_call5(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #1 {
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49 %1 = tail call i32 @bar(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #3
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50 ret i32 0
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51 ; CHECK-LABEL: foo_call5:
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52 ; CHECK: call bar
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53 }
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54
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55 declare i32 @bar(i8 signext, i16 signext, i32, i64) #2
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56
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57 ; Function Attrs: nounwind readnone uwtable
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58 define signext i8 @foo_cmp(i8 signext %a, i8 signext %b) #0 {
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59 %1 = icmp slt i8 %a, %b
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60 %a.b = select i1 %1, i8 %a, i8 %b
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61 ret i8 %a.b
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62 ; CHECK-LABEL: foo_cmp:
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120
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63 ; CHECK: if r2 s> r1
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83
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64 }
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65
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66 ; Function Attrs: nounwind readnone uwtable
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67 define i32 @foo_muldiv(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #0 {
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68 %1 = icmp eq i8 %a, 0
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69 br i1 %1, label %5, label %2
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70
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71 ; <label>:2 ; preds = %0
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72 %3 = sext i16 %b to i32
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73 %4 = mul nsw i32 %3, %c
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74 br label %8
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75
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76 ; <label>:5 ; preds = %0
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77 %6 = trunc i64 %d to i32
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78 %7 = udiv i32 %6, %c
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79 br label %8
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80
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81 ; <label>:8 ; preds = %5, %2
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82 %.0 = phi i32 [ %4, %2 ], [ %7, %5 ]
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83 ret i32 %.0
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84 ; CHECK-LABEL: foo_muldiv:
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120
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85 ; CHECK: r2 *= r3
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83
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86 }
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87
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88 ; Function Attrs: nounwind uwtable
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89 define i32 @foo_optimized() #1 {
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90 %1 = tail call i32 @manyarg(i32 1, i32 2, i32 3, i32 4, i32 5) #3
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91 ret i32 %1
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92 ; CHECK-LABEL: foo_optimized:
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120
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93 ; CHECK: r1 = 1
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94 ; CHECK: r2 = 2
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95 ; CHECK: r3 = 3
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96 ; CHECK: r4 = 4
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97 ; CHECK: r5 = 5
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83
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98 }
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99
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100 declare i32 @manyarg(i32, i32, i32, i32, i32) #2
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101
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102 ; Function Attrs: nounwind uwtable
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103 define void @foo_printf() #1 {
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104 %fmt = alloca [9 x i8], align 1
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95
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105 %1 = getelementptr inbounds [9 x i8], [9 x i8]* %fmt, i64 0, i64 0
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106 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @foo_printf.fmt, i64 0, i64 0), i64 9, i32 1, i1 false)
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83
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107 ; CHECK-LABEL: foo_printf:
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121
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108 ; CHECK: r1 = 729618802566522216 ll
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95
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109 %2 = call i32 (i8*, ...) @printf(i8* %1) #3
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83
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110 ret void
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111 }
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112
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113 ; Function Attrs: nounwind
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114 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) #3
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115
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116 ; Function Attrs: nounwind
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117 declare i32 @printf(i8* nocapture, ...) #4
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