[llvm-reduce] Add test with some aliases.

diff --git a/llvm/test/Reduce/remove-alias.ll b/llvm/test/Reduce/remove-alias.ll
new file mode 100644 (file)
index 0000000..02bbf54
--- /dev/null
+++ b/llvm/test/Reduce/remove-alias.ll
@@ -0,0 +1,37 @@
+; RUN: llvm-reduce --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t
+; RUN: FileCheck --check-prefixes=CHECK-FINAL --input-file=%t %s
+
+; Test handling of 'alias'.
+
+; CHECK-INTERESTINGNESS: define void @fn3
+
+; CHECK-FINAL: $a1
+; CHECK-FINAL: $a2
+; CHECK-FINAL: $a3
+; CHECK-FINAL: $a4
+
+; CHECK-FINAL: define void @fn1
+; CHECK-FINAL: define void @fn2
+; CHECK-FINAL: define void @fn3
+; CHECK-FINAL: define void @fn4
+
+@"$a1" = alias void (), void ()* @fn1
+@"$a2" = alias void (), void ()* @fn2
+@"$a3" = alias void (), void ()* @fn3
+@"$a4" = alias void (), void ()* @fn4
+
+define void @fn1() {
+  ret void
+}
+
+define void @fn2() {
+  ret void
+}
+
+define void @fn3() {
+  ret void
+}
+
+define void @fn4() {
+  ret void
+}