[llvm] 639b85e - [IR] Assert on getPointerElementType() on opaque pointer (NFC)

[Nikita Popov via llvm-commits]

Author: Nikita Popov
Date: 2021-12-01T11:41:06+01:00
New Revision: 639b85ea0ba2f19ec3ad682f2715b312cfc691da

URL: https://github.com/llvm/llvm-project/commit/639b85ea0ba2f19ec3ad682f2715b312cfc691da
DIFF: https://github.com/llvm/llvm-project/commit/639b85ea0ba2f19ec3ad682f2715b312cfc691da.diff

LOG: [IR] Assert on getPointerElementType() on opaque pointer (NFC)

Previously this simply crashed.

Added: 
    

Modified: 
    llvm/include/llvm/IR/Type.h

Removed: 
    


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diff  --git a/llvm/include/llvm/IR/Type.h b/llvm/include/llvm/IR/Type.h
index 47431adc6fac..c899c46d4055 100644
--- a/llvm/include/llvm/IR/Type.h
+++ b/llvm/include/llvm/IR/Type.h
@@ -368,6 +368,8 @@ class Type {
 
   Type *getPointerElementType() const {
     assert(getTypeID() == PointerTyID);
+    assert(NumContainedTys &&
+           "Attempting to get element type of opaque pointer");
     return ContainedTys[0];
   }