1 files changed, 53 insertions, 0 deletions
diff --git a/test/Transforms/RewriteStatepointsForGC/base-pointers-4.ll b/test/Transforms/RewriteStatepointsForGC/base-pointers-4.ll
new file mode 100644
index 0000000..16bb3ac
--- /dev/null
+++ b/test/Transforms/RewriteStatepointsForGC/base-pointers-4.ll
@@ -0,0 +1,53 @@
+; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
+
+
+; CHECK: derived %obj_to_consume base %base_phi
+
+declare void @foo()
+declare i64 addrspace(1)* @generate_obj()
+declare void @consume_obj(i64 addrspace(1)*)
+
+define void @test(i32 %condition) gc "statepoint-example" {
+entry:
+  br label %loop
+
+loop:
+; CHECK: loop:
+; CHECK:  %safepoint_token1 = call i32 (i64 addrspace(1)* ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i3
+; CHECK-NEXT:  %obj2 = call i64 addrspace(1)* @llvm.experimental.gc.result
+  %safepoint_token1 = call i32 (i64 addrspace(1)* ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %obj2 = call i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(i32 %safepoint_token1)
+  switch i32 %condition, label %dest_a [
+    i32 0, label %dest_b
+    i32 1, label %dest_c
+  ]
+
+dest_a:
+  br label %merge
+
+dest_b:
+  br label %merge
+
+dest_c:
+  br label %merge
+
+merge:
+; CHECK: merge:
+; CHECK:  %base_phi = phi i64 addrspace(1)* [ %obj2, %dest_a ], [ null, %dest_b ], [ null, %dest_c ]
+; CHECK:  %obj_to_consume = phi i64 addrspace(1)* [ %obj2, %dest_a ], [ null, %dest_b ], [ null, %dest_c ]
+
+  %obj_to_consume = phi i64 addrspace(1)* [ %obj2, %dest_a ], [ null, %dest_b ], [ null, %dest_c ]
+  %safepoint_token3 = call i32 (void (i64 addrspace(1)*)*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(void (i64 addrspace(1)*)* @consume_obj, i32 1, i32 0, i64 addrspace(1)* %obj_to_consume, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  br label %merge.split
+
+merge.split:                                      ; preds = %merge
+  %safepoint_token = call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @foo, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  br label %loop
+}
+
+
+; Function Attrs: nounwind
+declare i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(i32) #0
+declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()*, i32, i32, ...)
+declare i32 @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 addrspace(1)* ()*, i32, i32, ...)
+declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(void (i64 addrspace(1)*)*, i32, i32, ...)