[AMDGPU] Partial revert of rL348371: Turn on the DPP combiner by default

Turn the combiner back off as there're failures until the issue is fixed.

Differential revision: https://reviews.llvm.org/D55314

llvm-svn: 348487

diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
index 070827e..4d26571 100644 (file)
--- a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
@@ -109,7 +109,7 @@ static cl::opt<bool> EnableSDWAPeephole(
 static cl::opt<bool> EnableDPPCombine(
   "amdgpu-dpp-combine",
   cl::desc("Enable DPP combiner"),
-  cl::init(true));
+  cl::init(false));
 
 // Enable address space based alias analysis
 static cl::opt<bool> EnableAMDGPUAliasAnalysis("enable-amdgpu-aa", cl::Hidden,