aboutsummaryrefslogtreecommitdiffstats
path: root/test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll')
-rw-r--r--test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll20
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll b/test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll
new file mode 100644
index 0000000..5aaa47e
--- /dev/null
+++ b/test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll
@@ -0,0 +1,20 @@
+; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
+
+; CHECK: derived %next.i64 base %base_obj
+
+define void @test(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
+entry:
+ %obj = getelementptr i64, i64 addrspace(1)* %base_obj, i32 1
+ br label %loop
+
+loop:
+ %current = phi i64 addrspace(1)* [ %obj, %entry ], [ %next.i64, %loop ]
+ %current.i32 = bitcast i64 addrspace(1)* %current to i32 addrspace(1)*
+ %next.i32 = getelementptr i32, i32 addrspace(1)* %current.i32, i32 1
+ %next.i64 = bitcast i32 addrspace(1)* %next.i32 to i64 addrspace(1)*
+ %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, ...)