String support

3 files changed, 67 insertions, 4 deletions

diff --git a/examples/basic.odin b/examples/basic.odin
new file mode 100644
index 000000000..1c5b7b317
--- /dev/null
+++ b/examples/basic.odin
@@ -0,0 +1,8 @@
+putchar :: proc(c : i32) -> i32 #foreign
+
+print_string :: proc(s : string) {
+	for i := 0; i < len(s); i++ {
+		c := cast(i32)s[i];
+		putchar(c);
+	}
+}
diff --git a/examples/test.ll b/examples/test.ll
index e69de29bb..c95743eaa 100644
--- a/examples/test.ll
+++ b/examples/test.ll
@@ -0,0 +1,57 @@
+define void @main() {
+"entry - 0":
+	%0 = getelementptr inbounds [13 x i8], [13 x i8]* @.str0, i64 0, i64 0
+	%1 = alloca {i8*, i64}, align 8 
+	store {i8*, i64} zeroinitializer, {i8*, i64}* %1
+	%2 = getelementptr inbounds {i8*, i64}, {i8*, i64}* %1, i64 0, i32 0
+	%3 = getelementptr inbounds {i8*, i64}, {i8*, i64}* %1, i64 0, i32 1
+	store i8* %0, i8** %2
+	store i64 13, i64* %3
+	%4 = load {i8*, i64}, {i8*, i64}* %1
+	call void @print_string({i8*, i64} %4)
+	ret void
+}
+
+declare i32 @putchar(i32 %c) 
+define void @print_string({i8*, i64} %s) {
+"entry - 0":
+	%0 = alloca {i8*, i64}, align 8 ; s
+	store {i8*, i64} zeroinitializer, {i8*, i64}* %0
+	store {i8*, i64} %s, {i8*, i64}* %0
+	%1 = alloca i64, align 8 ; i
+	store i64 zeroinitializer, i64* %1
+	store i64 0, i64* %1
+	br label %"for.loop - 2"
+
+"for.body - 1":
+	%2 = alloca i32, align 4 ; c
+	store i32 zeroinitializer, i32* %2
+	%3 = load i64, i64* %1
+	%4 = getelementptr inbounds {i8*, i64}, {i8*, i64}* %0, i64 0, i32 0
+	%5 = load i8*, i8** %4
+	%6 = getelementptr i8, i8* %5, i64 %3
+	%7 = load i8, i8* %6
+	%8 = zext i8 %7 to i32
+	store i32 %8, i32* %2
+	%9 = load i32, i32* %2
+	%10 = call i32 @putchar(i32 %9)
+	br label %"for.post - 3"
+
+"for.loop - 2":
+	%11 = load i64, i64* %1
+	%12 = getelementptr inbounds {i8*, i64}, {i8*, i64}* %0, i64 0, i32 1
+	%13 = load i64, i64* %12
+	%14 = icmp slt i64 %11, %13
+	br i1 %14, label %"for.body - 1", label %"for.done - 4"
+
+"for.post - 3":
+	%15 = load i64, i64* %1
+	%16 = add i64 %15, 1
+	store i64 %16, i64* %1
+	br label %"for.loop - 2"
+
+"for.done - 4":
+	ret void
+}
+
+@.str0 = global [13 x i8] c"Hello\2C\20\E4\B8\96\E7\95\8C"
diff --git a/examples/test.odin b/examples/test.odin
index 47090bfc0..54332a5ed 100644
--- a/examples/test.odin
+++ b/examples/test.odin
@@ -1,7 +1,5 @@
-add :: proc(x, y : int) -> (int, int) {
-	return x+y, 1;
-}
+import "basic"
 
 main :: proc() {
-
+	print_string("Hello, 世界");
 }