diff --git a/llvmutil.cpp b/llvmutil.cpp
index d438af45..f7fa041f 100644
--- a/llvmutil.cpp
+++ b/llvmutil.cpp
@@ -1552,3 +1552,24 @@ LLVMShuffleVectors(llvm::Value *v1, llvm::Value *v2, int32_t shuf[],
 
     return new llvm::ShuffleVectorInst(v1, v2, vec, "shuffle", insertBefore);
 }
+
+
+const char *
+LLVMGetName(llvm::Value *v, const char *s) {
+    if (v == NULL) return s;
+    std::string ret = v->getName();
+    ret += s;
+    return strdup(ret.c_str());
+}
+
+
+const char *
+LLVMGetName(const char *op, llvm::Value *v1, llvm::Value *v2) {
+    std::string r = op;
+    r += "_";
+    r += v1->getName().str();
+    r += "_";
+    r += v2->getName().str();
+    return strdup(r.c_str());
+}
+
diff --git a/llvmutil.h b/llvmutil.h
index 1990236d..ba8bc16d 100644
--- a/llvmutil.h
+++ b/llvmutil.h
@@ -290,4 +290,10 @@ extern llvm::Value *LLVMShuffleVectors(llvm::Value *v1, llvm::Value *v2,
                                        int32_t shuf[], int shufSize,
                                        llvm::Instruction *insertBefore);
 
+/** Utility routines to concat strings with the names of existing values to
+    create meaningful new names for instruction values.
+*/
+extern const char *LLVMGetName(llvm::Value *v, const char *);
+extern const char *LLVMGetName(const char *op, llvm::Value *v1, llvm::Value *v2);
+
 #endif // ISPC_LLVMUTIL_H