Merge pull request #232 from jdmpapin/splitPostGRA-switch-0.51

hzongaro · web-flow · commit 9bcff94a2a0f · 2025-03-28T16:02:32.000-04:00
(0.51) In splitPostGRA(), find the GlRegDeps for switch children correctly
diff --git a/compiler/il/OMRBlock.cpp b/compiler/il/OMRBlock.cpp
@@ -1418,7 +1418,7 @@ OMR::Block::splitPostGRA(TR::TreeTop * startOfNewBlock, TR::CFG *cfg, bool copyE
                TR::Node *branch = node->getChild(i);
                if (branch->getOpCode().isBranch() && branch->getNumChildren() > 0)
                   {
-                  TR::Node *regDeps = node->getChild(node->getNumChildren() - 1);
+                  TR::Node *regDeps = branch->getChild(branch->getNumChildren() - 1);
                   if (regDeps->getOpCodeValue() == TR::GlRegDeps)
                      {
                      gatherUnavailableRegisters(comp, regDeps, iter, nodeInfo, storeNodeInfo, &storeRegNodePostSplitPoint, unavailableRegisters);

Original file line number	Diff line number	Diff line change
`@@ -1418,7 +1418,7 @@ OMR::Block::splitPostGRA(TR::TreeTop * startOfNewBlock, TR::CFG *cfg, bool copyE`
`1418`	`1418`	`TR::Node *branch = node->getChild(i);`
`1419`	`1419`	`if (branch->getOpCode().isBranch() && branch->getNumChildren() > 0)`
`1420`	`1420`	`{`
`1421`		`- TR::Node *regDeps = node->getChild(node->getNumChildren() - 1);`
	`1421`	`+ TR::Node *regDeps = branch->getChild(branch->getNumChildren() - 1);`
`1422`	`1422`	`if (regDeps->getOpCodeValue() == TR::GlRegDeps)`
`1423`	`1423`	`{`
`1424`	`1424`	`gatherUnavailableRegisters(comp, regDeps, iter, nodeInfo, storeNodeInfo, &storeRegNodePostSplitPoint, unavailableRegisters);`