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test that the ppc backend can do 64-bit cntlz

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35328 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-03-25 04:43:51 +00:00
parent c13dd1cf4c
commit eaa87ba1e7
1 changed files with 13 additions and 0 deletions
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test/CodeGen/PowerPC/2007-03-24-cntlzd.ll Normal file
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; RUN: llvm-as < %s | llc -march=ppc64 -mcpu=g5 | grep cntlzd
define i32 @_ZNK4llvm5APInt17countLeadingZerosEv(i64 *%t) {
%tmp19 = load i64* %t
%tmp23 = tail call i64 @llvm.ctlz.i64( i64 %tmp19 ) ; <i64> [#uses=1]
%tmp2324 = trunc i64 %tmp23 to i32 ; <i32> [#uses=1]
%tmp89 = add i32 %tmp2324, -64 ; <i32> [#uses=1]
%tmp90 = add i32 %tmp89, 0 ; <i32> [#uses=1]
ret i32 %tmp90
}
declare i64 @llvm.ctlz.i64(i64)