After changing dessa again, need to use getNodeValue,

jgu222 · gfxbot · commit 5d5a98a4cabb · 2019-04-26T14:39:54.000-07:00
which was missed in the previous commit

Change-Id: Id2736a8677014f29650d13e92746df6e6cf54775
diff --git a/IGC/Compiler/CISACodeGen/DeSSA.cpp b/IGC/Compiler/CISACodeGen/DeSSA.cpp
@@ -1193,14 +1193,15 @@ void DeSSA::getAllValuesInCongruentClass(
     // a sequence of insertElement is in congruent class. The RootValue
     // has its liveness modified to cover all InsertElements that are
     // grouped together.
-    Value* RootV = V;
+    Value* RootV = nullptr;
     if (IGC_IS_FLAG_ENABLED(EnableDeSSAAlias))
     {
-        RootV = getRootValue(RootV);
+        RootV = getNodeValue(V);
     }
     else {
-        RootV = getInsEltRoot(RootV);
+        RootV = getInsEltRoot(V);
     }
+    assert(RootV && "ICE: Node value should not be nullptr!");
     ValsInCC.push_back(RootV);
     auto RI = RegNodeMap.find(RootV);
     if (RI != RegNodeMap.end()) {

Original file line number	Diff line number	Diff line change
`@@ -1193,14 +1193,15 @@ void DeSSA::getAllValuesInCongruentClass(`
`1193`	`1193`	`// a sequence of insertElement is in congruent class. The RootValue`
`1194`	`1194`	`// has its liveness modified to cover all InsertElements that are`
`1195`	`1195`	`// grouped together.`
`1196`		`- Value* RootV = V;`
	`1196`	`+ Value* RootV = nullptr;`
`1197`	`1197`	`if (IGC_IS_FLAG_ENABLED(EnableDeSSAAlias))`
`1198`	`1198`	`{`
`1199`		`- RootV = getRootValue(RootV);`
	`1199`	`+ RootV = getNodeValue(V);`
`1200`	`1200`	`}`
`1201`	`1201`	`else {`
`1202`		`- RootV = getInsEltRoot(RootV);`
	`1202`	`+ RootV = getInsEltRoot(V);`
`1203`	`1203`	`}`
	`1204`	`+ assert(RootV && "ICE: Node value should not be nullptr!");`
`1204`	`1205`	`ValsInCC.push_back(RootV);`
`1205`	`1206`	`auto RI = RegNodeMap.find(RootV);`
`1206`	`1207`	`if (RI != RegNodeMap.end()) {`