From bfb28599d323cca7e86f80507e7bfcadfeea178a Mon Sep 17 00:00:00 2001
From: Pirama Arumuga Nainar <pirama@google.com>
Date: Thu, 6 Oct 2016 21:12:35 -0700
Subject: Incremental squash-merge of aosp/dev to aosp/master

Bug: http://b/31320715

This merges commit d3221fcdce064148886034527a19dbd77743f9e2 from
aosp/dev including r283496.

Test: Build AOSP and run RenderScript tests (host tests for slang and
libbcc, RsTest, CTS)

Change-Id: I2cabd64cfa333498a4fec52bdf14eafb59676e14
---
 lib/CodeGen/SafeStack.cpp                         |  2 +-
 lib/CodeGen/SafeStackColoring.cpp                 |  4 +++-
 lib/CodeGen/SafeStackLayout.cpp                   |  3 ++-
 lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp | 24 +++++++++++++++++++++++
 lib/CodeGen/SelectionDAG/LegalizeTypes.h          |  1 +
 5 files changed, 31 insertions(+), 3 deletions(-)

(limited to 'lib')

diff --git a/lib/CodeGen/SafeStack.cpp b/lib/CodeGen/SafeStack.cpp
index 19cd59b9dba7..4a1b9958a5b5 100644
--- a/lib/CodeGen/SafeStack.cpp
+++ b/lib/CodeGen/SafeStack.cpp
@@ -530,7 +530,7 @@ Value *SafeStack::moveStaticAllocasToUnsafeStack(
     unsigned Align =
         std::max(DL->getPrefTypeAlignment(Ty), StackGuardSlot->getAlignment());
     SSL.addObject(StackGuardSlot, getStaticAllocaAllocationSize(StackGuardSlot),
-                  Align, SSC.getLiveRange(StackGuardSlot));
+                  Align, SSC.getFullLiveRange());
   }
 
   for (Argument *Arg : ByValArguments) {
diff --git a/lib/CodeGen/SafeStackColoring.cpp b/lib/CodeGen/SafeStackColoring.cpp
index 709614f57e7d..795eb8d27191 100644
--- a/lib/CodeGen/SafeStackColoring.cpp
+++ b/lib/CodeGen/SafeStackColoring.cpp
@@ -25,7 +25,9 @@ static cl::opt<bool> ClColoring("safe-stack-coloring",
                                 cl::Hidden, cl::init(true));
 
 const StackColoring::LiveRange &StackColoring::getLiveRange(AllocaInst *AI) {
-  return LiveRanges[AllocaNumbering[AI]];
+  const auto IT = AllocaNumbering.find(AI);
+  assert(IT != AllocaNumbering.end());
+  return LiveRanges[IT->second];
 }
 
 bool StackColoring::readMarker(Instruction *I, bool *IsStart) {
diff --git a/lib/CodeGen/SafeStackLayout.cpp b/lib/CodeGen/SafeStackLayout.cpp
index b8190e0f2153..fb433c1856a6 100644
--- a/lib/CodeGen/SafeStackLayout.cpp
+++ b/lib/CodeGen/SafeStackLayout.cpp
@@ -100,7 +100,8 @@ void StackLayout::layoutObject(StackObject &Obj) {
   }
 
   // Split starting and ending regions if necessary.
-  for (StackRegion &R : Regions) {
+  for (unsigned i = 0; i < Regions.size(); ++i) {
+    StackRegion &R = Regions[i];
     if (Start > R.Start && Start < R.End) {
       StackRegion R0 = R;
       R.Start = R0.End = Start;
diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index f2c548d6e0c3..25ccd95a433e 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -102,6 +102,11 @@ void DAGTypeLegalizer::PromoteIntegerResult(SDNode *N, unsigned ResNo) {
   case ISD::CONCAT_VECTORS:
                          Res = PromoteIntRes_CONCAT_VECTORS(N); break;
 
+  case ISD::ANY_EXTEND_VECTOR_INREG:
+  case ISD::SIGN_EXTEND_VECTOR_INREG:
+  case ISD::ZERO_EXTEND_VECTOR_INREG:
+                         Res = PromoteIntRes_EXTEND_VECTOR_INREG(N); break;
+
   case ISD::SIGN_EXTEND:
   case ISD::ZERO_EXTEND:
   case ISD::ANY_EXTEND:  Res = PromoteIntRes_INT_EXTEND(N); break;
@@ -3333,6 +3338,25 @@ SDValue DAGTypeLegalizer::PromoteIntRes_CONCAT_VECTORS(SDNode *N) {
   return DAG.getNode(ISD::BUILD_VECTOR, dl, NOutVT, Ops);
 }
 
+SDValue DAGTypeLegalizer::PromoteIntRes_EXTEND_VECTOR_INREG(SDNode *N) {
+  EVT VT = N->getValueType(0);
+  EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT);
+  assert(NVT.isVector() && "This type must be promoted to a vector type");
+
+  SDLoc dl(N);
+
+  // For operands whose TypeAction is to promote, the promoted node to construct
+  // a new *_EXTEND_VECTOR_INREG node.
+  if (getTypeAction(N->getOperand(0).getValueType())
+      == TargetLowering::TypePromoteInteger) {
+    SDValue Promoted = GetPromotedInteger(N->getOperand(0));
+    return DAG.getNode(N->getOpcode(), dl, NVT, Promoted);
+  }
+
+  // Directly extend to the appropriate transform-to type.
+  return DAG.getNode(N->getOpcode(), dl, NVT, N->getOperand(0));
+}
+
 SDValue DAGTypeLegalizer::PromoteIntRes_INSERT_VECTOR_ELT(SDNode *N) {
   EVT OutVT = N->getValueType(0);
   EVT NOutVT = TLI.getTypeToTransformTo(*DAG.getContext(), OutVT);
diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/lib/CodeGen/SelectionDAG/LegalizeTypes.h
index 84ad8f83d906..95e3576d6166 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeTypes.h
+++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.h
@@ -242,6 +242,7 @@ private:
   SDValue PromoteIntRes_VECTOR_SHUFFLE(SDNode *N);
   SDValue PromoteIntRes_BUILD_VECTOR(SDNode *N);
   SDValue PromoteIntRes_SCALAR_TO_VECTOR(SDNode *N);
+  SDValue PromoteIntRes_EXTEND_VECTOR_INREG(SDNode *N);
   SDValue PromoteIntRes_INSERT_VECTOR_ELT(SDNode *N);
   SDValue PromoteIntRes_CONCAT_VECTORS(SDNode *N);
   SDValue PromoteIntRes_BITCAST(SDNode *N);
-- 
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