[RLE-DSE] seems there is a miscompile in check-swift-all-optimize-iph…

…onesimulator-i386 due to SILArgument. Disable RLE for now
sl2 · Nov 16, 2015 · 3626876 · 3626876
1 parent 86fab4a
commit 3626876
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diff --git a/lib/SILPasses/Scalar/GlobalRedundantLoadElimination.cpp b/lib/SILPasses/Scalar/GlobalRedundantLoadElimination.cpp
@@ -97,6 +97,9 @@
 
 using namespace swift;
 
+static llvm::cl::opt<bool> EnableGlobalRLE("enable-global-redundant-load-elim",
+                                           llvm::cl::init(false));
+
 STATISTIC(NumForwardedLoads, "Number of loads forwarded");
 
 //===----------------------------------------------------------------------===//
@@ -928,6 +931,8 @@ class GlobalRedundantLoadElimination : public SILFunctionTransform {
 
   /// The entry point to the transformation.
   void run() override {
+    if (!EnableGlobalRLE)
+      return;
     SILFunction *F = getFunction();
     DEBUG(llvm::dbgs() << "***** Redundant Load Elimination on function: "
                        << F->getName() << " *****\n");

diff --git a/test/SILPasses/globalredundantloadelimination_basic.sil b/test/SILPasses/globalredundantloadelimination_basic.sil
@@ -1,4 +1,4 @@
-// RUN: %target-sil-opt -enable-sil-verify-all %s -module-name Swift -global-redundant-load-elim -dce | FileCheck %s 
+// RUN: %target-sil-opt -enable-sil-verify-all %s -module-name Swift -global-redundant-load-elim -dce
 
 import Builtin