Hzfengsy opened a new pull request #7828:
URL: https://github.com/apache/tvm/pull/7828
I got compiling warnings by clang++ on my machine:
```
In file included from
/home/syfeng/tvm-upstream/src/relay/transforms/simplify_expr.cc:25:
/home/syfeng/tvm-upstream/src/relay/transforms/simplify_expr.h:77:21:
warning: loop variable 'rewrite' of type 'const
std::shared_ptr<tvm::relay::DFPatternRewrite>' creates a copy from type 'const
std::shared_ptr<tvm::relay::DFPatternRewrite>' [-Wrange-loop-construct]
for (const auto rewrite : rewrites_) {
^
/home/syfeng/tvm-upstream/src/relay/transforms/simplify_expr.h:77:10: note:
use reference type 'const std::shared_ptr<tvm::relay::DFPatternRewrite> &' to
prevent copying
for (const auto rewrite : rewrites_) {
^~~~~~~~~~~~~~~~~~~~
&
```
And my compiler info :
```bash
$ clang++ -v
clang version 10.0.0-4ubuntu1
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-11.2, version 7.0
```
cc @tqchen @junrushao1994 @jroesch
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