Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/tools/llvm-split/scc-alias.ll

@@ -0,0 +1,48 @@
+; All of the functions in this module must end up
+; in the same partition without change of scope.
+; RUN: llvm-split -j=2 -preserve-locals -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK1 %s
+; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK0 %s
+
+; CHECK0: declare i32 @funInternal
+; CHECK0: declare i32 @funExternal
+; CHECK0: declare i32 @funInternal2
+; CHECK0: declare i32 @funExternal2
+
+; All functions are in the same file.
+; Local functions are still local.
+; CHECK1: define internal i32 @funInternal
+; CHECK1: define i32 @funExternal
+; CHECK1: define internal i32 @funInternal2
+; CHECK1: define i32 @funExternal2
+
+
+@funInternalAlias = internal alias i32 (), i32 ()* @funInternal
+
+define internal i32 @funInternal() {
+entry:
+  ret i32 0
+}
+
+; Direct call to local alias
+
+define i32 @funExternal() {
+entry:
+  %x = call i32 @funInternalAlias()
+  ret i32 %x
+}
+
+; Call to local function that calls local alias
+
+define internal i32 @funInternal2() {
+entry:
+  %x = call i32 @funInternalAlias()
+  ret i32 %x
+}
+
+define i32 @funExternal2() {
+entry:
+  %x = call i32 @funInternal2()
+  ret i32 %x
+}
+