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| author | Andrew Lenharth <andrewl@lenharth.org> | 2005-05-11 17:23:41 +0000 |
|---|---|---|
| committer | Andrew Lenharth <andrewl@lenharth.org> | 2005-05-11 17:23:41 +0000 |
| commit | 50d435f3a76a9df04bc20638db56a6d28164dd4b (patch) | |
| tree | 920e17d510c178c9cd4be15287bd17d7d0ba42f0 | |
| parent | 57ff7e5f6479b43828406a6723b7dde6f673f48c (diff) | |
Legalize for CTLZ generates a ctpop, but this ctpop is not expanded.
This is bad. It is generated if you are ctlz a type that is not
legal for the arch (aka ctlz of bytes on alpha legalize fine).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21867 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/CodeGen/Alpha/ctlz_e.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/Alpha/ctlz_e.ll b/test/CodeGen/Alpha/ctlz_e.ll new file mode 100644 index 0000000000..dc16eb50be --- /dev/null +++ b/test/CodeGen/Alpha/ctlz_e.ll @@ -0,0 +1,12 @@ +; Make sure this testcase does not use ctpop +; RUN: llvm-as < %s | llc -march=alpha | grep -i 'ctpop' |wc -l |grep 0 + +declare ulong %llvm.ctlz(ulong) + +implementation ; Functions: + +ulong %bar(ulong %x) { +entry: + %tmp.1 = call ulong %llvm.ctlz( ulong %x ) + ret ulong %tmp.1 +} |