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authorChris Lattner <sabre@nondot.org>2005-01-05 16:27:34 +0000
committerChris Lattner <sabre@nondot.org>2005-01-05 16:27:34 +0000
commita0d572707adcade461cc45826008c5a2a0f26771 (patch)
tree5c670cedccc06d171183555d04f1c5a664d0a90e
parent0f7e786a6b1c8703f646b7be2328aa3ddbdc2e5f (diff)
downloadbcm5719-llvm-a0d572707adcade461cc45826008c5a2a0f26771.tar.gz
bcm5719-llvm-a0d572707adcade461cc45826008c5a2a0f26771.zip
add an assertion
llvm-svn: 19290
-rw-r--r--llvm/include/llvm/CodeGen/SSARegMap.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/include/llvm/CodeGen/SSARegMap.h b/llvm/include/llvm/CodeGen/SSARegMap.h
index 893b0c71670..43eee10c5c5 100644
--- a/llvm/include/llvm/CodeGen/SSARegMap.h
+++ b/llvm/include/llvm/CodeGen/SSARegMap.h
@@ -39,6 +39,7 @@ class SSARegMap {
/// function with the specified register class.
///
unsigned createVirtualRegister(const TargetRegisterClass *RegClass) {
+ assert(RegClass && "Cannot create register without RegClass!");
RegClassMap.grow(NextRegNum);
RegClassMap[NextRegNum] = RegClass;
return NextRegNum++;
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