1 files changed, 45 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/profile/InstrProfilingMergeFile.c b/contrib/llvm-project/compiler-rt/lib/profile/InstrProfilingMergeFile.c
new file mode 100644
index 000000000000..8923ba21cc58
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/profile/InstrProfilingMergeFile.c
@@ -0,0 +1,45 @@
+/*===- InstrProfilingMergeFile.c - Profile in-process Merging  ------------===*\
+|*
+|* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+|* See https://llvm.org/LICENSE.txt for license information.
+|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+|*
+|*===----------------------------------------------------------------------===
+|* This file defines APIs needed to support in-process merging for profile data
+|* stored in files.
+\*===----------------------------------------------------------------------===*/
+
+#if !defined(__Fuchsia__)
+
+#include "InstrProfiling.h"
+#include "InstrProfilingInternal.h"
+#include "InstrProfilingUtil.h"
+
+#define INSTR_PROF_VALUE_PROF_DATA
+#include "profile/InstrProfData.inc"
+
+/* Merge value profile data pointed to by SrcValueProfData into
+ * in-memory profile counters pointed by to DstData.  */
+COMPILER_RT_VISIBILITY
+void lprofMergeValueProfData(ValueProfData *SrcValueProfData,
+                             __llvm_profile_data *DstData) {
+  unsigned I, S, V, DstIndex = 0;
+  InstrProfValueData *VData;
+  ValueProfRecord *VR = getFirstValueProfRecord(SrcValueProfData);
+  for (I = 0; I < SrcValueProfData->NumValueKinds; I++) {
+    VData = getValueProfRecordValueData(VR);
+    unsigned SrcIndex = 0;
+    for (S = 0; S < VR->NumValueSites; S++) {
+      uint8_t NV = VR->SiteCountArray[S];
+      for (V = 0; V < NV; V++) {
+        __llvm_profile_instrument_target_value(VData[SrcIndex].Value, DstData,
+                                               DstIndex, VData[SrcIndex].Count);
+        ++SrcIndex;
+      }
+      ++DstIndex;
+    }
+    VR = getValueProfRecordNext(VR);
+  }
+}
+
+#endif