Merge pull request #122 from xushiwei/q

runtime: c.Uint

c/c.go

@@ -16,6 +16,7 @@
 
 package c
 
+// typedef unsigned int uint;
 import "C"
 import "unsafe"
 
@@ -26,6 +27,7 @@ const (
 type (
 	Char    = int8
 	Int     = C.int
+	Uint    = C.uint
 	Pointer = unsafe.Pointer
 	FilePtr = unsafe.Pointer
 )

cl/_testdata/uint/in.go

@@ -0,0 +1,13 @@
+package main
+
+import "github.com/goplus/llgo/c"
+
+func f(a c.Uint) c.Uint {
+	a++
+	return a
+}
+
+func main() {
+	var a c.Uint = 100
+	c.Printf(c.Str("Hello, %u\n"), f(a))
+}

cl/_testdata/uint/out.ll

@@ -0,0 +1,37 @@
+; ModuleID = 'main'
+source_filename = "main"
+
+@"main.init$guard" = global ptr null
+@0 = private unnamed_addr constant [11 x i8] c"Hello, %u\0A\00", align 1
+
+define i32 @main.f(i32 %0) {
+_llgo_0:
+  %1 = add i32 %0, 1
+  ret i32 %1
+}
+
+define void @main.init() {
+_llgo_0:
+  %0 = load i1, ptr @"main.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"main.init$guard", align 1
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define void @main() {
+_llgo_0:
+  call void @"github.com/goplus/llgo/internal/runtime.init"()
+  call void @main.init()
+  %0 = call i32 @main.f(i32 100)
+  %1 = call i32 (ptr, ...) @printf(ptr @0, i32 %0)
+  ret void
+}
+
+declare void @"github.com/goplus/llgo/internal/runtime.init"()
+
+declare i32 @printf(ptr, ...)