[all-commits] [llvm/llvm-project] 31be9f: Fix clone_constant_impl to correctly deal with nul...

[Juneyoung Lee via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 31be9f3f7dee80c586d3beac9a65663d5628cf96
      https://github.com/llvm/llvm-project/commit/31be9f3f7dee80c586d3beac9a65663d5628cf96
  Author: aqjune <aqjune at gmail.com>
  Date:   2019-11-05 (Tue, 05 Nov 2019)

  Changed paths:
    M llvm/test/Bindings/llvm-c/echo.ll
    M llvm/tools/llvm-c-test/echo.cpp

  Log Message:
  -----------
  Fix clone_constant_impl to correctly deal with null pointers

Summary:
This patch resolves llvm-c-test's following error

```
LLVM ERROR: LLVMGetValueKind returned incorrect type
```

which arises when the input bitcode contains a null pointer.

Reviewers: jdoerfert, CodaFi, deadalnix

Reviewed By: jdoerfert

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D68928