[PATCH] D138811: [AArch64] SelectionDag codegen for gpr CTZ instruction

Ties Stuij via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Dec 5 05:28:06 PST 2022


stuij marked an inline comment as done.
stuij added inline comments.


================
Comment at: llvm/test/CodeGen/AArch64/gpr_cttz.ll:146
+define i64 @cttz64combine(i64 %x) nounwind readnone {
+  %rev = tail call i64 @llvm.bitreverse.i64(i64 %x)
+  %ctz = tail call i64 @llvm.ctlz.i64(i64 %rev)
----------------
lenary wrote:
> how does this testcase have no CHECK lines?
I... don't know.
Added, thanks!


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  https://reviews.llvm.org/D138811/new/

https://reviews.llvm.org/D138811



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