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Legalize for CTLZ generates a ctpop, but this ctpop is not expanded.

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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
This commit is contained in:
Andrew Lenharth 2005-05-11 17:23:41 +00:00
parent 57ff7e5f64
commit 50d435f3a7
1 changed files with 12 additions and 0 deletions
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12
test/CodeGen/Alpha/ctlz_e.ll Normal file
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; 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
}