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-rw-r--r--test/Transforms/RewriteStatepointsForGC/base-pointers-1.ll28
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/RewriteStatepointsForGC/base-pointers-1.ll b/test/Transforms/RewriteStatepointsForGC/base-pointers-1.ll
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+++ b/test/Transforms/RewriteStatepointsForGC/base-pointers-1.ll
@@ -0,0 +1,28 @@
+; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
+
+; CHECK: derived %merged_value base %base_phi
+
+declare void @site_for_call_safpeoint()
+
+define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y, i1 %runtime_condition) gc "statepoint-example" {
+entry:
+ br i1 %runtime_condition, label %here, label %there
+
+here:
+ %x = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1
+ br label %merge
+
+there:
+ %y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1
+ br label %merge
+
+merge:
+; CHECK-LABEL: merge:
+; CHECK: %base_phi = phi i64 addrspace(1)* [ %base_obj_x, %here ], [ %base_obj_y, %there ]
+ %merged_value = phi i64 addrspace(1)* [ %x, %here ], [ %y, %there ]
+ %safepoint_token = call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+ ret i64 addrspace(1)* %merged_value
+}
+
+declare void @foo()
+declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()*, i32, i32, ...)