1 files changed, 104 insertions, 0 deletions
diff --git a/test/Linker/testlink.ll b/test/Linker/testlink.ll
new file mode 100644
index 0000000..aad4b9b
--- /dev/null
+++ b/test/Linker/testlink.ll
@@ -0,0 +1,104 @@
+; RUN: llvm-link %s %S/Inputs/testlink.ll -S | FileCheck %s
+
+; CHECK: %Ty2 = type { %Ty1* }
+; CHECK: %Ty1 = type { %Ty2* }
+%Ty1 = type opaque
+%Ty2 = type { %Ty1* }
+
+; CHECK: %intlist = type { %intlist*, i32 }
+%intlist = type { %intlist*, i32 }
+
+; The uses of intlist in the other file should be remapped.
+; CHECK-NOT: {{%intlist.[0-9]}}
+
+; CHECK: %VecSize = type { <5 x i32> }
+; CHECK: %VecSize.{{[0-9]}} = type { <10 x i32> }
+%VecSize = type { <5 x i32> }
+
+%Struct1 = type opaque
+@S1GV = external global %Struct1*
+
+
+@GVTy1 = external global %Ty1*
+@GVTy2 = global %Ty2* null
+
+
+; This should stay the same
+; CHECK-DAG: @MyIntList = global %intlist { %intlist* null, i32 17 }
+@MyIntList = global %intlist { %intlist* null, i32 17 }
+
+
+; Nothing to link here.
+
+; CHECK-DAG: @0 = external global i32
+@0 = external global i32
+; CHECK-DAG: @Inte = global i32 1
+@Inte = global i32 1
+
+; Intern1 is intern in both files, rename testlink2's.
+; CHECK-DAG: @Intern1 = internal constant i32 42
+@Intern1 = internal constant i32 42
+
+@UseIntern1 = global i32* @Intern1
+
+; This should get renamed since there is a definition that is non-internal in
+; the other module.
+; CHECK-DAG: @Intern2{{[0-9]+}} = internal constant i32 792
+@Intern2 = internal constant i32 792
+
+@UseIntern2 = global i32* @Intern2
+
+; CHECK-DAG: @MyVarPtr = linkonce global { i32* } { i32* @MyVar }
+@MyVarPtr = linkonce global { i32* } { i32* @MyVar }
+
+@UseMyVarPtr = global { i32* }* @MyVarPtr
+
+; CHECK-DAG: @MyVar = global i32 4
+@MyVar = external global i32
+
+; Take value from other module.
+; CHECK-DAG: AConst = constant i32 1234
+@AConst = linkonce constant i32 123
+
+; Renamed version of Intern1.
+; CHECK-DAG: @Intern1{{[0-9]+}} = internal constant i32 52
+
+
+; Globals linked from testlink2.
+; CHECK-DAG: @Intern2 = constant i32 12345
+
+; CHECK-DAG: @MyIntListPtr = constant
+; CHECK-DAG: @1 = constant i32 412
+
+
+declare i32 @foo(i32)
+
+declare void @print(i32)
+
+define void @main() {
+  %v1 = load i32* @MyVar
+  call void @print(i32 %v1)
+  %idx = getelementptr %intlist* @MyIntList, i64 0, i32 1
+  %v2 = load i32* %idx
+  call void @print(i32 %v2)
+  %1 = call i32 @foo(i32 5)
+  %v3 = load i32* @MyVar
+  call void @print(i32 %v3)
+  %v4 = load i32* %idx
+  call void @print(i32 %v4)
+  ret void
+}
+
+define internal void @testintern() {
+  ret void
+}
+
+define internal void @Testintern() {
+  ret void
+}
+
+define void @testIntern() {
+  ret void
+}
+
+declare void @VecSizeCrash(%VecSize)