Combine allocas

src/IceTargetLoweringARM32.cpp

Index: src/IceTargetLoweringARM32.cpp
diff --git a/src/IceTargetLoweringARM32.cpp b/src/IceTargetLoweringARM32.cpp
index 17bd1b5876fc6f1cbaf0210859dabf61802b779f..2f1357f08d6258b80ebef8d2f8ff6d2bfe924cc8 100644
--- a/src/IceTargetLoweringARM32.cpp
+++ b/src/IceTargetLoweringARM32.cpp
@@ -239,6 +239,11 @@ void TargetARM32::translateO2() {
   // TODO(stichnot): share passes with X86?
   // https://code.google.com/p/nativeclient/issues/detail?id=4094
 
+  // Do not merge Alloca instructions, and lay out the stack.
+  static constexpr bool SortAndCombineAllocas = false;
+  Func->processAllocas(SortAndCombineAllocas);
+  Func->dump("After Alloca processing");
+
   if (!Ctx->getFlags().getPhiEdgeSplit()) {
     // Lower Phi instructions.
     Func->placePhiLoads();
@@ -340,6 +345,11 @@ void TargetARM32::translateOm1() {
 
   // TODO: share passes with X86?
 
+  // Do not merge Alloca instructions, and lay out the stack.
+  static constexpr bool SortAndCombineAllocas = false;
+  Func->processAllocas(SortAndCombineAllocas);
+  Func->dump("After Alloca processing");
+
   Func->placePhiLoads();
   if (Func->hasError())
     return;