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-rw-r--r--vm/compiler/Frontend.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/vm/compiler/Frontend.cpp b/vm/compiler/Frontend.cpp
index 65ef1ebd9..3cebe8238 100644
--- a/vm/compiler/Frontend.cpp
+++ b/vm/compiler/Frontend.cpp
@@ -1484,6 +1484,11 @@ static bool exhaustTrace(CompilationUnit *cUnit, BasicBlock *curBlock)
return true;
}
+/* placeholder of future passes */
+__attribute__((weak)) void dvmExtraPass(CompilationUnit *cUnit)
+{
+}
+
/* Compile a loop */
static bool compileLoop(CompilationUnit *cUnit, unsigned int startOffset,
JitTraceDescription *desc, int numMaxInsts,
@@ -1574,12 +1579,15 @@ static bool compileLoop(CompilationUnit *cUnit, unsigned int startOffset,
dvmCompilerLoopOpt(cUnit);
+
/*
* Change the backward branch to the backward chaining cell after dataflow
* analsys/optimizations are done.
*/
dvmCompilerInsertBackwardChaining(cUnit);
+ dvmExtraPass(cUnit);
+
#if defined(ARCH_IA32)
/* Convert MIR to LIR, etc. */
dvmCompilerMIR2LIR(cUnit, info);