add two .ll doc

Student/task1/ll/assign_hand.ll

@@ -0,0 +1,45 @@
+;ModuleID = assign_test.sy
+source_filename = "assign_test.sy"
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+;the above is copied
+define dso_local i32 @main() {
+    ; Allocate memory for the integer array of size 2
+    %a = alloca [2 x i32]
+
+    ; Store the float value 1.8 in %fconst
+    %fconst = alloca float
+    store float 0x3ffcccccc0000000, float *%fconst
+
+    ; Store the integer value 2 in the first element of the array
+    %1 = getelementptr inbounds [2 x i32], [2 x i32]* %a, i64 0, i64 0
+    store i32 2, i32* %1
+
+    ; Transfer 2 from integer to float
+    %2 = load i32, i32 *%1
+    %3 = sitofp i32 %2 to float
+
+    ; Multiply the first element of the array with the float value 1.8
+    %4 = load float, float *%fconst
+    %5 = fmul float %3, %4
+
+    ; Transfer %5 from float to integer
+    %6 = fptosi float %5 to i32
+
+    ; Store the result of the multiplication in the second element of the array
+    %7 = getelementptr inbounds [2 x i32], [2 x i32]* %a, i64 0, i64 1
+    store i32 %6, i32* %7
+
+    ; Load and return the value stored in the second element of the array
+    %8 = load i32, i32* %7
+    ret i32 %8
+}
+; the coming code is copied
+attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "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"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.module.flags = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{!"clang version 10.0.1 "}

Student/task1/ll/while_hand.ll

@@ -0,0 +1,42 @@
+;ModuleID = while_test.sy
+source_filename = "while_test.sy"
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+;the above is copied
+define dso_local i32 @main() {
+    %a = alloca i32, align 4
+    %b = alloca i32, align 4
+
+    store i32 0, i32* %b, align 4
+    store i32 3, i32* %a, align 4
+
+    br label %loop
+
+loop:
+    %1 = load i32, i32* %a, align 4
+    %cmp = icmp sgt i32 %1, 0
+    br i1 %cmp, label %if.body, label %if.end
+
+if.body:
+    %2 = load i32, i32* %b, align 4
+    %3 = load i32, i32* %a, align 4
+    %add = add nsw i32 %2, %3
+    store i32 %add, i32* %b, align 4
+    %4 = load i32, i32* %a, align 4
+    %sub = add nsw i32 %4, -1
+    store i32 %sub, i32* %a, align 4
+    br label %loop
+
+if.end:
+    %5 = load i32, i32* %b, align 4
+    ret i32 %5
+}
+; the coming code is copied
+attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "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"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.module.flags = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{!"clang version 10.0.1 "}