1; ModuleID = '<stdin>' 2source_filename = "matmul.c" 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4target triple = "x86_64-unknown-linux-gnu" 5 6%struct._IO_FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct._IO_FILE*, i32, i32, i64, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i64, i32, [20 x i8] } 7%struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 } 8 9@A = common dso_local local_unnamed_addr global [1536 x [1536 x float]] zeroinitializer, align 16 10@B = common dso_local local_unnamed_addr global [1536 x [1536 x float]] zeroinitializer, align 16 11@stdout = external dso_local local_unnamed_addr global %struct._IO_FILE*, align 8 12@.str = private unnamed_addr constant [5 x i8] c"%lf \00", align 1 13@C = common dso_local local_unnamed_addr global [1536 x [1536 x float]] zeroinitializer, align 16 14 15; Function Attrs: noinline norecurse nounwind uwtable writeonly 16define dso_local void @init_array() local_unnamed_addr #0 { 17entry: 18 br label %for.cond1.preheader 19 20for.cond1.preheader: ; preds = %for.inc17, %entry 21 %indvars.iv4 = phi i64 [ 0, %entry ], [ %indvars.iv.next5, %for.inc17 ] 22 br label %for.body3 23 24for.body3: ; preds = %for.body3, %for.cond1.preheader 25 %indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next.1, %for.body3 ] 26 %0 = mul nuw nsw i64 %indvars.iv, %indvars.iv4 27 %1 = trunc i64 %0 to i32 28 %rem = and i32 %1, 1022 29 %add = or i32 %rem, 1 30 %conv = sitofp i32 %add to double 31 %div = fmul double %conv, 5.000000e-01 32 %conv4 = fptrunc double %div to float 33 %arrayidx6 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @A, i64 0, i64 %indvars.iv4, i64 %indvars.iv 34 store float %conv4, float* %arrayidx6, align 8 35 %arrayidx16 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @B, i64 0, i64 %indvars.iv4, i64 %indvars.iv 36 store float %conv4, float* %arrayidx16, align 8 37 %indvars.iv.next = or i64 %indvars.iv, 1 38 %2 = mul nuw nsw i64 %indvars.iv.next, %indvars.iv4 39 %3 = trunc i64 %2 to i32 40 %rem.1 = and i32 %3, 1023 41 %add.1 = add nuw nsw i32 %rem.1, 1 42 %conv.1 = sitofp i32 %add.1 to double 43 %div.1 = fmul double %conv.1, 5.000000e-01 44 %conv4.1 = fptrunc double %div.1 to float 45 %arrayidx6.1 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @A, i64 0, i64 %indvars.iv4, i64 %indvars.iv.next 46 store float %conv4.1, float* %arrayidx6.1, align 4 47 %arrayidx16.1 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @B, i64 0, i64 %indvars.iv4, i64 %indvars.iv.next 48 store float %conv4.1, float* %arrayidx16.1, align 4 49 %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2 50 %exitcond.1 = icmp eq i64 %indvars.iv.next.1, 1536 51 br i1 %exitcond.1, label %for.inc17, label %for.body3 52 53for.inc17: ; preds = %for.body3 54 %indvars.iv.next5 = add nuw nsw i64 %indvars.iv4, 1 55 %exitcond6 = icmp eq i64 %indvars.iv.next5, 1536 56 br i1 %exitcond6, label %for.end19, label %for.cond1.preheader 57 58for.end19: ; preds = %for.inc17 59 ret void 60} 61 62; Function Attrs: noinline nounwind uwtable 63define dso_local void @print_array() local_unnamed_addr #1 { 64entry: 65 br label %for.cond1.preheader 66 67for.cond1.preheader: ; preds = %for.end, %entry 68 %indvars.iv6 = phi i64 [ 0, %entry ], [ %indvars.iv.next7, %for.end ] 69 %0 = load %struct._IO_FILE*, %struct._IO_FILE** @stdout, align 8 70 br label %for.body3 71 72for.body3: ; preds = %for.inc, %for.cond1.preheader 73 %indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.inc ] 74 %1 = phi %struct._IO_FILE* [ %0, %for.cond1.preheader ], [ %5, %for.inc ] 75 %arrayidx5 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @C, i64 0, i64 %indvars.iv6, i64 %indvars.iv 76 %2 = load float, float* %arrayidx5, align 4 77 %conv = fpext float %2 to double 78 %call = tail call i32 (%struct._IO_FILE*, i8*, ...) @fprintf(%struct._IO_FILE* %1, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), double %conv) #4 79 %3 = trunc i64 %indvars.iv to i32 80 %rem = urem i32 %3, 80 81 %cmp6 = icmp eq i32 %rem, 79 82 br i1 %cmp6, label %if.then, label %for.inc 83 84if.then: ; preds = %for.body3 85 %4 = load %struct._IO_FILE*, %struct._IO_FILE** @stdout, align 8 86 %fputc3 = tail call i32 @fputc(i32 10, %struct._IO_FILE* %4) 87 br label %for.inc 88 89for.inc: ; preds = %if.then, %for.body3 90 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 91 %5 = load %struct._IO_FILE*, %struct._IO_FILE** @stdout, align 8 92 %exitcond = icmp eq i64 %indvars.iv.next, 1536 93 br i1 %exitcond, label %for.end, label %for.body3 94 95for.end: ; preds = %for.inc 96 %fputc = tail call i32 @fputc(i32 10, %struct._IO_FILE* %5) 97 %indvars.iv.next7 = add nuw nsw i64 %indvars.iv6, 1 98 %exitcond8 = icmp eq i64 %indvars.iv.next7, 1536 99 br i1 %exitcond8, label %for.end12, label %for.cond1.preheader 100 101for.end12: ; preds = %for.end 102 ret void 103} 104 105; Function Attrs: nounwind 106declare dso_local i32 @fprintf(%struct._IO_FILE* nocapture, i8* nocapture readonly, ...) local_unnamed_addr #2 107 108; Function Attrs: noinline norecurse nounwind uwtable 109define dso_local i32 @main() local_unnamed_addr #3 { 110entry: 111 tail call void @init_array() 112 br label %for.cond1.preheader 113 114for.cond1.preheader: ; preds = %for.inc28, %entry 115 %indvars.iv7 = phi i64 [ 0, %entry ], [ %indvars.iv.next8, %for.inc28 ] 116 br label %for.body3 117 118for.body3: ; preds = %for.inc25, %for.cond1.preheader 119 %indvars.iv4 = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next5, %for.inc25 ] 120 %arrayidx5 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @C, i64 0, i64 %indvars.iv7, i64 %indvars.iv4 121 store float 0.000000e+00, float* %arrayidx5, align 4 122 br label %for.body8 123 124for.body8: ; preds = %for.body8, %for.body3 125 %add1 = phi float [ 0.000000e+00, %for.body3 ], [ %add.2, %for.body8 ] 126 %indvars.iv = phi i64 [ 0, %for.body3 ], [ %indvars.iv.next.2, %for.body8 ] 127 %arrayidx16 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @A, i64 0, i64 %indvars.iv7, i64 %indvars.iv 128 %0 = load float, float* %arrayidx16, align 4 129 %arrayidx20 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @B, i64 0, i64 %indvars.iv, i64 %indvars.iv4 130 %1 = load float, float* %arrayidx20, align 4 131 %mul = fmul float %0, %1 132 %add = fadd float %add1, %mul 133 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 134 %arrayidx16.1 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @A, i64 0, i64 %indvars.iv7, i64 %indvars.iv.next 135 %2 = load float, float* %arrayidx16.1, align 4 136 %arrayidx20.1 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @B, i64 0, i64 %indvars.iv.next, i64 %indvars.iv4 137 %3 = load float, float* %arrayidx20.1, align 4 138 %mul.1 = fmul float %2, %3 139 %add.1 = fadd float %add, %mul.1 140 %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2 141 %arrayidx16.2 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @A, i64 0, i64 %indvars.iv7, i64 %indvars.iv.next.1 142 %4 = load float, float* %arrayidx16.2, align 4 143 %arrayidx20.2 = getelementptr inbounds [1536 x [1536 x float]], [1536 x [1536 x float]]* @B, i64 0, i64 %indvars.iv.next.1, i64 %indvars.iv4 144 %5 = load float, float* %arrayidx20.2, align 4 145 %mul.2 = fmul float %4, %5 146 %add.2 = fadd float %add.1, %mul.2 147 %indvars.iv.next.2 = add nuw nsw i64 %indvars.iv, 3 148 %exitcond.2 = icmp eq i64 %indvars.iv.next.2, 1536 149 br i1 %exitcond.2, label %for.inc25, label %for.body8 150 151for.inc25: ; preds = %for.body8 152 store float %add.2, float* %arrayidx5, align 4 153 %indvars.iv.next5 = add nuw nsw i64 %indvars.iv4, 1 154 %exitcond6 = icmp eq i64 %indvars.iv.next5, 1536 155 br i1 %exitcond6, label %for.inc28, label %for.body3 156 157for.inc28: ; preds = %for.inc25 158 %indvars.iv.next8 = add nuw nsw i64 %indvars.iv7, 1 159 %exitcond9 = icmp eq i64 %indvars.iv.next8, 1536 160 br i1 %exitcond9, label %for.end30, label %for.cond1.preheader 161 162for.end30: ; preds = %for.inc28 163 ret i32 0 164} 165 166; Function Attrs: nounwind 167declare i32 @fputc(i32, %struct._IO_FILE* nocapture) local_unnamed_addr #4 168 169attributes #0 = { noinline norecurse nounwind uwtable writeonly "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 170attributes #1 = { noinline nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 171attributes #2 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 172attributes #3 = { noinline norecurse nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 173attributes #4 = { nounwind } 174 175!llvm.module.flags = !{!0} 176!llvm.ident = !{!1} 177 178!0 = !{i32 1, !"wchar_size", i32 4} 179!1 = !{!"clang version 8.0.0 (trunk 342834) (llvm/trunk 342856)"} 180