[llvm] [InstCombine] smin(smax(X, -1), 1) -> scmp(X, 0) and smax(smin(X, 1), -1) -> scmp(X, 0) (PR #145736)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> ⚠️ C/C++ code formatter, clang-format found issues in your code. ⚠️
> 
> You can test this locally with the following command:
> ```shell
> git-clang-format --diff HEAD~1 HEAD --extensions cpp -- llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
> ```
> 
> View the diff from clang-format here.
> ```diff
> diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
> index c836ad7ae..1920ee9e4 100644
> --- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
> +++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
> @@ -1978,8 +1978,7 @@ Instruction *InstCombinerImpl::visitCallInst(CallInst &CI) {
>      // And i1's have been changed to and/ors
>      // So we only need to check for smin
>      if (IID == Intrinsic::smin) {
> -      if (match(I0, m_OneUse(m_SMax(m_Value(X),
> -                                                          m_AllOnes()))) &&
> +      if (match(I0, m_OneUse(m_SMax(m_Value(X), m_AllOnes()))) &&
>            match(I1, m_One())) {
>          Value *Zero = ConstantInt::get(X->getType(), 0);
>          return replaceInstUsesWith(
> ```

Please fix the format.


https://github.com/llvm/llvm-project/pull/145736