1 files changed, 63 insertions, 0 deletions
diff --git a/llvm/test/Transforms/GlobalSplit/basic.ll b/llvm/test/Transforms/GlobalSplit/basic.ll
new file mode 100644
index 00000000000..6834a8d18be
--- /dev/null
+++ b/llvm/test/Transforms/GlobalSplit/basic.ll
@@ -0,0 +1,63 @@
+; RUN: opt -S -globalsplit %s | FileCheck %s
+; RUN: opt -S -passes=globalsplit %s | FileCheck %s
+
+target datalayout = "e-p:64:64"
+target triple = "x86_64-unknown-linux-gnu"
+
+; CHECK: @vtt = constant [3 x i8*] [i8* bitcast ([2 x i8* ()*]* @global.0 to i8*), i8* bitcast (i8* ()** getelementptr inbounds ([2 x i8* ()*], [2 x i8* ()*]* @global.0, i32 0, i32 1) to i8*), i8* bitcast ([1 x i8* ()*]* @global.1 to i8*)]
+@vtt = constant [3 x i8*] [
+  i8* bitcast (i8* ()** getelementptr ({ [2 x i8* ()*], [1 x i8* ()*] }, { [2 x i8* ()*], [1 x i8* ()*] }* @global, i32 0, inrange i32 0, i32 0) to i8*),
+  i8* bitcast (i8* ()** getelementptr ({ [2 x i8* ()*], [1 x i8* ()*] }, { [2 x i8* ()*], [1 x i8* ()*] }* @global, i32 0, inrange i32 0, i32 1) to i8*),
+  i8* bitcast (i8* ()** getelementptr ({ [2 x i8* ()*], [1 x i8* ()*] }, { [2 x i8* ()*], [1 x i8* ()*] }* @global, i32 0, inrange i32 1, i32 0) to i8*)
+]
+
+; CHECK-NOT: @global =
+; CHECK: @global.0 = private constant [2 x i8* ()*] [i8* ()* @f1, i8* ()* @f2], !type [[T1:![0-9]+]], !type [[T2:![0-9]+]], !type [[T3:![0-9]+$]]
+; CHECK: @global.1 = private constant [1 x i8* ()*] [i8* ()* @f3], !type [[T4:![0-9]+]], !type [[T5:![0-9]+$]]
+; CHECK-NOT: @global =
+@global = internal constant { [2 x i8* ()*], [1 x i8* ()*] } {
+  [2 x i8* ()*] [i8* ()* @f1, i8* ()* @f2],
+  [1 x i8* ()*] [i8* ()* @f3]
+}, !type !0, !type !1, !type !2, !type !3, !type !4
+
+; CHECK: define i8* @f1()
+define i8* @f1() {
+  ; CHECK-NEXT: ret i8* bitcast ([2 x i8* ()*]* @global.0 to i8*)
+  ret i8* bitcast (i8* ()** getelementptr ({ [2 x i8* ()*], [1 x i8* ()*] }, { [2 x i8* ()*], [1 x i8* ()*] }* @global, i32 0, inrange i32 0, i32 0) to i8*)
+}
+
+; CHECK: define i8* @f2()
+define i8* @f2() {
+  ; CHECK-NEXT: ret i8* bitcast (i8* ()** getelementptr inbounds ([2 x i8* ()*], [2 x i8* ()*]* @global.0, i32 0, i32 1) to i8*)
+  ret i8* bitcast (i8* ()** getelementptr ({ [2 x i8* ()*], [1 x i8* ()*] }, { [2 x i8* ()*], [1 x i8* ()*] }* @global, i32 0, inrange i32 0, i32 1) to i8*)
+}
+
+; CHECK: define i8* @f3()
+define i8* @f3() {
+  ; CHECK-NEXT: ret i8* bitcast (i8* ()** getelementptr inbounds ([2 x i8* ()*], [2 x i8* ()*]* @global.0, i64 1, i32 0) to i8*)
+  ret i8* bitcast (i8* ()** getelementptr ({ [2 x i8* ()*], [1 x i8* ()*] }, { [2 x i8* ()*], [1 x i8* ()*] }* @global, i32 0, inrange i32 0, i32 2) to i8*)
+}
+
+; CHECK: define i8* @f4()
+define i8* @f4() {
+  ; CHECK-NEXT: ret i8* bitcast ([1 x i8* ()*]* @global.1 to i8*)
+  ret i8* bitcast (i8* ()** getelementptr ({ [2 x i8* ()*], [1 x i8* ()*] }, { [2 x i8* ()*], [1 x i8* ()*] }* @global, i32 0, inrange i32 1, i32 0) to i8*)
+}
+
+define void @foo() {
+  %p = call i1 @llvm.type.test(i8* null, metadata !"")
+  ret void
+}
+
+declare i1 @llvm.type.test(i8*, metadata) nounwind readnone
+
+; CHECK: [[T1]] = !{i32 0, !"foo"}
+; CHECK: [[T2]] = !{i32 15, !"bar"}
+; CHECK: [[T3]] = !{i32 16, !"a"}
+; CHECK: [[T4]] = !{i32 1, !"b"}
+; CHECK: [[T5]] = !{i32 8, !"c"}
+!0 = !{i32 0, !"foo"}
+!1 = !{i32 15, !"bar"}
+!2 = !{i32 16, !"a"}
+!3 = !{i32 17, !"b"}
+!4 = !{i32 24, !"c"}