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| author | Pirama Arumuga Nainar <pirama@google.com> | 2015-04-08 08:55:49 -0700 |
|---|---|---|
| committer | Pirama Arumuga Nainar <pirama@google.com> | 2015-04-09 15:04:38 -0700 |
| commit | 4c5e43da7792f75567b693105cc53e3f1992ad98 (patch) | |
| tree | 1b2c9792582e12f5af0b1512e3094425f0dc0df9 /test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll | |
| parent | c75239e6119d0f9a74c57099d91cbc9bde56bf33 (diff) | |
| download | external_llvm-4c5e43da7792f75567b693105cc53e3f1992ad98.zip external_llvm-4c5e43da7792f75567b693105cc53e3f1992ad98.tar.gz external_llvm-4c5e43da7792f75567b693105cc53e3f1992ad98.tar.bz2 | |
Update aosp/master llvm for rebase to r233350
Change-Id: I07d935f8793ee8ec6b7da003f6483046594bca49
Diffstat (limited to 'test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll')
| -rw-r--r-- | test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll b/test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll new file mode 100644 index 0000000..488b61e --- /dev/null +++ b/test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll @@ -0,0 +1,38 @@ +; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s + +; CHECK: derived %next_element_ptr base %array_obj + +define i32 @null_in_array(i64 addrspace(1)* %array_obj) gc "statepoint-example" { +entry: + %array_len_pointer.i64 = getelementptr i64, i64 addrspace(1)* %array_obj, i32 1 + %array_len_pointer.i32 = bitcast i64 addrspace(1)* %array_len_pointer.i64 to i32 addrspace(1)* + %array_len = load i32, i32 addrspace(1)* %array_len_pointer.i32 + %array_elems = bitcast i32 addrspace(1)* %array_len_pointer.i32 to i64 addrspace(1)* addrspace(1)* + br label %loop_check + +loop_check: + %index = phi i32 [ 0, %entry ], [ %next_index, %loop_back ] + %current_element_ptr = phi i64 addrspace(1)* addrspace(1)* [ %array_elems, %entry ], [ %next_element_ptr, %loop_back ] + %index_lt = icmp ult i32 %index, %array_len + br i1 %index_lt, label %check_for_null, label %not_found + +check_for_null: + %current_element = load i64 addrspace(1)*, i64 addrspace(1)* addrspace(1)* %current_element_ptr + %is_null = icmp eq i64 addrspace(1)* %current_element, null + br i1 %is_null, label %found, label %loop_back + +loop_back: + %next_element_ptr = getelementptr i64 addrspace(1)*, i64 addrspace(1)* addrspace(1)* %current_element_ptr, i32 1 + %next_index = add i32 %index, 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_check + +not_found: + ret i32 -1 + +found: + ret i32 %index +} + +declare void @do_safepoint() +declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()*, i32, i32, ...) |