diff options
Diffstat (limited to 'test/CodeGen/Mips/mips64countleading.ll')
| -rw-r--r-- | test/CodeGen/Mips/mips64countleading.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/mips64countleading.ll b/test/CodeGen/Mips/mips64countleading.ll new file mode 100644 index 0000000..b2b67e5 --- /dev/null +++ b/test/CodeGen/Mips/mips64countleading.ll @@ -0,0 +1,19 @@ +; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s + +define i64 @t1(i64 %X) nounwind readnone { +entry: +; CHECK: dclz + %tmp1 = tail call i64 @llvm.ctlz.i64(i64 %X, i1 true) + ret i64 %tmp1 +} + +declare i64 @llvm.ctlz.i64(i64, i1) nounwind readnone + +define i64 @t3(i64 %X) nounwind readnone { +entry: +; CHECK: dclo + %neg = xor i64 %X, -1 + %tmp1 = tail call i64 @llvm.ctlz.i64(i64 %neg, i1 true) + ret i64 %tmp1 +} + |
