Initial data commit

Task/Factorial/LLVM/factorial.llvm

@@ -0,0 +1,80 @@
+; ModuleID = 'factorial.c'
+; source_filename = "factorial.c"
+; target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
+; target triple = "x86_64-pc-windows-msvc19.21.27702"
+
+; This is not strictly LLVM, as it uses the C library function "printf".
+; LLVM does not provide a way to print values, so the alternative would be
+; to just load the string into memory, and that would be boring.
+
+; Additional comments have been inserted, as well as changes made from the output produced by clang such as putting more meaningful labels for the jumps
+
+$"\01??_C@_04PEDNGLFL@?$CFld?6?$AA@" = comdat any
+
+@"\01??_C@_04PEDNGLFL@?$CFld?6?$AA@" = linkonce_odr unnamed_addr constant [5 x i8] c"%ld\0A\00", comdat, align 1
+
+;--- The declaration for the external C printf function.
+declare i32 @printf(i8*, ...)
+
+; Function Attrs: noinline nounwind optnone uwtable
+define i32 @factorial(i32) #0 {
+;-- local copy of n
+  %2 = alloca i32, align 4
+;-- long result
+  %3 = alloca i32, align 4
+;-- int i
+  %4 = alloca i32, align 4
+;-- local n = parameter n
+  store i32 %0, i32* %2, align 4
+;-- result = 1
+  store i32 1, i32* %3, align 4
+;-- i = 1
+  store i32 1, i32* %4, align 4
+  br label %loop
+
+loop:
+;-- i <= n
+  %5 = load i32, i32* %4, align 4
+  %6 = load i32, i32* %2, align 4
+  %7 = icmp sle i32 %5, %6
+  br i1 %7, label %loop_body, label %exit
+
+loop_body:
+;-- result *= i
+  %8 = load i32, i32* %4, align 4
+  %9 = load i32, i32* %3, align 4
+  %10 = mul nsw i32 %9, %8
+  store i32 %10, i32* %3, align 4
+  br label %loop_increment
+
+loop_increment:
+;-- ++i
+  %11 = load i32, i32* %4, align 4
+  %12 = add nsw i32 %11, 1
+  store i32 %12, i32* %4, align 4
+  br label %loop
+
+exit:
+;-- return result
+  %13 = load i32, i32* %3, align 4
+  ret i32 %13
+}
+
+; Function Attrs: noinline nounwind optnone uwtable
+define i32 @main() #0 {
+;-- factorial(5)
+  %1 = call i32 @factorial(i32 5)
+;-- printf("%ld\n", factorial(5))
+  %2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01??_C@_04PEDNGLFL@?$CFld?6?$AA@", i32 0, i32 0), i32 %1)
+;-- return 0
+  ret i32 0
+}
+
+attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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" }
+
+!llvm.module.flags = !{!0, !1}
+!llvm.ident = !{!2}
+
+!0 = !{i32 1, !"wchar_size", i32 2}
+!1 = !{i32 7, !"PIC Level", i32 2}
+!2 = !{!"clang version 6.0.1 (tags/RELEASE_601/final)"}