[llvm] [llubi] Implement memory manipulation intrinsics (PR #204932)

[Yingwei Zheng via llvm-commits]

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@@ -0,0 +1,57 @@
+; RUN: sed 's/OP/memcpy_overlap/g' %s | not llubi --verbose 2>&1 | FileCheck %s --check-prefix=OVERLAP
+; RUN: sed 's/OP/memcpy_inline_poison_src/g' %s | not llubi --verbose 2>&1 | FileCheck %s --check-prefix=COPY-SRC
+; RUN: sed 's/OP/memset_poison_dst/g' %s | not llubi --verbose 2>&1 | FileCheck %s --check-prefix=SET-DST
+; RUN: sed 's/OP/memset_poison_len/g' %s | not llubi --verbose 2>&1 | FileCheck %s --check-prefix=SET-LEN
+
+declare void @llvm.memcpy.p0.p0.i8(ptr, ptr, i8, i1)
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dtcxzyw wrote:

Intrinsic declarations can be omitted.

https://github.com/llvm/llvm-project/pull/204932