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| author | Akira Hatanaka <ahatanaka@mips.com> | 2011-10-03 21:16:50 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2011-10-03 21:16:50 +0000 |
| commit | 2d57088ff015b01c8c2aa8d7844f96881e0c82ce (patch) | |
| tree | 2cb6c7a3d014c5a57e83270ea4c1961f8780d5c7 /test | |
| parent | 631d11765b9f7ebdb49679c92bd41083fbab3f62 (diff) | |
| download | llvm-2d57088ff015b01c8c2aa8d7844f96881e0c82ce.tar.gz llvm-2d57088ff015b01c8c2aa8d7844f96881e0c82ce.tar.bz2 llvm-2d57088ff015b01c8c2aa8d7844f96881e0c82ce.tar.xz | |
Add support for 64-bit count leading ones and zeros instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141028 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/Mips/mips64instrs.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/mips64instrs.ll b/test/CodeGen/Mips/mips64instrs.ll index b2aa3ecc02..16bca0fbbf 100644 --- a/test/CodeGen/Mips/mips64instrs.ll +++ b/test/CodeGen/Mips/mips64instrs.ll @@ -116,3 +116,20 @@ entry: ret i64 %rem } +declare i64 @llvm.ctlz.i64(i64) nounwind readnone + +; CHECK: dclz $2, $4 +define i64 @f18(i64 %X) nounwind readnone { +entry: + %tmp1 = tail call i64 @llvm.ctlz.i64(i64 %X) + ret i64 %tmp1 +} + +; CHECK: dclo $2, $4 +define i64 @f19(i64 %X) nounwind readnone { +entry: + %neg = xor i64 %X, -1 + %tmp1 = tail call i64 @llvm.ctlz.i64(i64 %neg) + ret i64 %tmp1 +} + |