[llvm] [X86] Fold chained i32 CLMUL operands (PR #202250)

[Simon Pilgrim via llvm-commits]

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@@ -0,0 +1,37 @@
+; RUN: llc < %s -mtriple=x86_64-- -mattr=+sse2,+pclmul | FileCheck %s --check-prefix=SSE
+; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx2,+pclmul | FileCheck %s --check-prefix=AVX
+
+define i32 @clmul_i32_chain(i32 %m) nounwind {
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RKSimon wrote:

move this to combine-clmul.ll 

https://github.com/llvm/llvm-project/pull/202250