Initial commit of llgo.

llvm-svn: 222857

1 files changed, 86 insertions, 0 deletions

diff --git a/llgo/test/execution/strings/range.go b/llgo/test/execution/strings/range.go
new file mode 100644
index 00000000000..c68b02a6680
--- /dev/null
+++ b/llgo/test/execution/strings/range.go
@@ -0,0 +1,86 @@
+// RUN: llgo -o %t %s
+// RUN: %t 2>&1 | FileCheck %s
+
+// CHECK: 0 46 1
+// CHECK-NEXT: 0 46
+// CHECK-NEXT: 0 169 1
+// CHECK-NEXT: 0 169
+// CHECK-NEXT: 0 8364 1
+// CHECK-NEXT: 0 8364
+// CHECK-NEXT: 0 66560 1
+// CHECK-NEXT: 0 66560
+// CHECK-NEXT: 0 83 1
+// CHECK-NEXT: 1 97 2
+// CHECK-NEXT: 2 108 3
+// CHECK-NEXT: 3 101 4
+// CHECK-NEXT: 4 32 5
+// CHECK-NEXT: 5 112 6
+// CHECK-NEXT: 6 114 7
+// CHECK-NEXT: 7 105 8
+// CHECK-NEXT: 8 99 9
+// CHECK-NEXT: 9 101 10
+// CHECK-NEXT: 10 58 11
+// CHECK-NEXT: 11 32 12
+// CHECK-NEXT: 12 8364 13
+// CHECK-NEXT: 15 48 14
+// CHECK-NEXT: 16 46 15
+// CHECK-NEXT: 17 57 16
+// CHECK-NEXT: 18 57 17
+// CHECK-NEXT: 0 83
+// CHECK-NEXT: 1 97
+// CHECK-NEXT: 2 108
+// CHECK-NEXT: 3 101
+// CHECK-NEXT: 4 32
+// CHECK-NEXT: 5 112
+// CHECK-NEXT: 6 114
+// CHECK-NEXT: 7 105
+// CHECK-NEXT: 8 99
+// CHECK-NEXT: 9 101
+// CHECK-NEXT: 10 58
+// CHECK-NEXT: 11 32
+// CHECK-NEXT: 12 8364
+// CHECK-NEXT: 15 48
+// CHECK-NEXT: 16 46
+// CHECK-NEXT: 17 57
+// CHECK-NEXT: 18 57
+
+package main
+
+func printchars(s string) {
+	var x int
+	for i, c := range s {
+		// test loop-carried dependence (x++), introducing a Phi node
+		x++
+		println(i, c, x)
+	}
+
+	// now test with plain old assignment
+	var i int
+	var c rune
+	for i, c = range s {
+		println(i, c)
+		if i == len(s)-1 {
+			// test multiple branches to loop header
+			continue
+		}
+	}
+}
+
+func main() {
+	// 1 bytes
+	printchars(".")
+
+	// 2 bytes
+	printchars("©")
+
+	// 3 bytes
+	printchars("€")
+
+	// 4 bytes
+	printchars("𐐀")
+
+	// mixed
+	printchars("Sale price: €0.99")
+
+	// TODO add test cases for invalid sequences
+}