Merge pull request #218 from pcc/mangling

Replace '.' character with '_' in package path mangling

Author: pcc

irgen/typemap.go

@@ -483,7 +483,9 @@ func (ctx *manglerContext) mangleSignature(s *types.Signature, recv *types.Var,
 }
 
 func (ctx *manglerContext) manglePackagePath(pkgpath string, b *bytes.Buffer) {
-	b.WriteString(strings.Replace(pkgpath, "/", "_", -1))
+	pkgpath = strings.Replace(pkgpath, "/", "_", -1)
+	pkgpath = strings.Replace(pkgpath, ".", "_", -1)
+	b.WriteString(pkgpath)
 }
 
 func (ctx *manglerContext) mangleType(t types.Type, b *bytes.Buffer) {

test/irgen/mangling.go

@@ -0,0 +1,7 @@
+// RUN: llgo -fgo-pkgpath=llvm.org/llvm -S -emit-llvm -o - %s | FileCheck %s
+
+package llvm
+
+// CHECK: @llvm_org_llvm.F
+func F() {
+}