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-rw-r--r--test/Transforms/RewriteStatepointsForGC/base-pointers-9.ll21
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/RewriteStatepointsForGC/base-pointers-9.ll b/test/Transforms/RewriteStatepointsForGC/base-pointers-9.ll
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+++ b/test/Transforms/RewriteStatepointsForGC/base-pointers-9.ll
@@ -0,0 +1,21 @@
+; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
+
+; CHECK: derived %next base %base_obj
+
+declare i1 @runtime_value()
+
+define void @maybe_GEP(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
+entry:
+ br label %loop
+
+loop:
+ %current = phi i64 addrspace(1)* [ %base_obj, %entry ], [ %next, %loop ]
+ %condition = call i1 @runtime_value()
+ %maybe_next = getelementptr i64, i64 addrspace(1)* %current, i32 1
+ %next = select i1 %condition, i64 addrspace(1)* %maybe_next, i64 addrspace(1)* %current
+ %safepoint_token = call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @do_safepoint, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+ br label %loop
+}
+
+declare void @do_safepoint()
+declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()*, i32, i32, ...)