aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorChris Lattner <sabre@nondot.org>2005-11-19 06:58:46 +0000
committerChris Lattner <sabre@nondot.org>2005-11-19 06:58:46 +0000
commit44fa764355eec81d8ef8fbd63824695b1554c4ab (patch)
tree627c7d970365dd98b97f81099dd9ed4ede65eb44
parentb89175feffa7148c05d1d30a8e382b8d321edae5 (diff)
Teach the graph viewer to handle register operands that are zero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24421 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 2c2bc21446..7353580933 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -82,7 +82,7 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
Op += LBB->getName();
//Op += " " + (const void*)BBDN->getBasicBlock();
} else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(Node)) {
- if (G && MRegisterInfo::isPhysicalRegister(R->getReg())) {
+ if (G && R->getReg() != 0 && MRegisterInfo::isPhysicalRegister(R->getReg())) {
Op = Op + " " + G->getTarget().getRegisterInfo()->getName(R->getReg());
} else {
Op += " #" + utostr(R->getReg());