Safely promote uninitialized constants.
TRAC #22676
Signed-off-by: Geoff Lang
Signed-off-by: Shannon Woods
Author: Nicolas Capens
git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@2012 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/compiler/Intermediate.cpp b/src/compiler/Intermediate.cpp
index 4a34afa..edf279e 100644
--- a/src/compiler/Intermediate.cpp
+++ b/src/compiler/Intermediate.cpp
@@ -1378,7 +1378,6 @@
TIntermTyped* TIntermediate::promoteConstantUnion(TBasicType promoteTo, TIntermConstantUnion* node)
{
- ConstantUnion *rightUnionArray = node->getUnionArrayPointer();
int size = node->getType().getObjectSize();
ConstantUnion *leftUnionArray = new ConstantUnion[size];
@@ -1389,13 +1388,13 @@
case EbtFloat:
switch (node->getType().getBasicType()) {
case EbtInt:
- leftUnionArray[i].setFConst(static_cast<float>(rightUnionArray[i].getIConst()));
+ leftUnionArray[i].setFConst(static_cast<float>(node->getIConst(i)));
break;
case EbtBool:
- leftUnionArray[i].setFConst(static_cast<float>(rightUnionArray[i].getBConst()));
+ leftUnionArray[i].setFConst(static_cast<float>(node->getBConst(i)));
break;
case EbtFloat:
- leftUnionArray[i] = rightUnionArray[i];
+ leftUnionArray[i].setFConst(static_cast<float>(node->getFConst(i)));
break;
default:
infoSink.info.message(EPrefixInternalError, "Cannot promote", node->getLine());
@@ -1405,13 +1404,13 @@
case EbtInt:
switch (node->getType().getBasicType()) {
case EbtInt:
- leftUnionArray[i] = rightUnionArray[i];
+ leftUnionArray[i].setIConst(static_cast<int>(node->getIConst(i)));
break;
case EbtBool:
- leftUnionArray[i].setIConst(static_cast<int>(rightUnionArray[i].getBConst()));
+ leftUnionArray[i].setIConst(static_cast<int>(node->getBConst(i)));
break;
case EbtFloat:
- leftUnionArray[i].setIConst(static_cast<int>(rightUnionArray[i].getFConst()));
+ leftUnionArray[i].setIConst(static_cast<int>(node->getFConst(i)));
break;
default:
infoSink.info.message(EPrefixInternalError, "Cannot promote", node->getLine());
@@ -1421,13 +1420,13 @@
case EbtBool:
switch (node->getType().getBasicType()) {
case EbtInt:
- leftUnionArray[i].setBConst(rightUnionArray[i].getIConst() != 0);
+ leftUnionArray[i].setBConst(node->getIConst(i) != 0);
break;
case EbtBool:
- leftUnionArray[i] = rightUnionArray[i];
+ leftUnionArray[i].setBConst(node->getBConst(i));
break;
case EbtFloat:
- leftUnionArray[i].setBConst(rightUnionArray[i].getFConst() != 0.0f);
+ leftUnionArray[i].setBConst(node->getFConst(i) != 0.0f);
break;
default:
infoSink.info.message(EPrefixInternalError, "Cannot promote", node->getLine());
diff --git a/src/compiler/ParseHelper.cpp b/src/compiler/ParseHelper.cpp
index 6855a58..441ff35 100644
--- a/src/compiler/ParseHelper.cpp
+++ b/src/compiler/ParseHelper.cpp
@@ -1313,7 +1313,6 @@
ConstantUnion *unionArray;
if (tempConstantNode) {
unionArray = tempConstantNode->getUnionArrayPointer();
- ASSERT(unionArray);
if (!unionArray) {
return node;