test that the ppc backend can do 64-bit cntlz
[oota-llvm.git] / test / CodeGen / PowerPC / 2007-03-24-cntlzd.ll
1 ; RUN: llvm-as < %s | llc -march=ppc64 -mcpu=g5 | grep cntlzd
2
3 define i32 @_ZNK4llvm5APInt17countLeadingZerosEv(i64 *%t) {
4         %tmp19 = load i64* %t
5         %tmp23 = tail call i64 @llvm.ctlz.i64( i64 %tmp19 )             ; <i64> [#uses=1]
6         %tmp2324 = trunc i64 %tmp23 to i32              ; <i32> [#uses=1]
7         %tmp89 = add i32 %tmp2324, -64          ; <i32> [#uses=1]
8         %tmp90 = add i32 %tmp89, 0              ; <i32> [#uses=1]
9         ret i32 %tmp90
10 }
11
12 declare i64 @llvm.ctlz.i64(i64)
13