From a4ceea8cd86c4fc649c7c79499ae9dddb9ea20e0 Mon Sep 17 00:00:00 2001 From: Bruno Cardoso Lopes Date: Wed, 10 Nov 2010 02:22:44 +0000 Subject: Add a test to the previous added clo instruction. Patch by Akira again llvm-svn: 118668 --- llvm/test/CodeGen/Mips/2010-11-09-CountLeading.ll | 33 +++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 llvm/test/CodeGen/Mips/2010-11-09-CountLeading.ll (limited to 'llvm/test/CodeGen/Mips') diff --git a/llvm/test/CodeGen/Mips/2010-11-09-CountLeading.ll b/llvm/test/CodeGen/Mips/2010-11-09-CountLeading.ll new file mode 100644 index 00000000000..d592fef331a --- /dev/null +++ b/llvm/test/CodeGen/Mips/2010-11-09-CountLeading.ll @@ -0,0 +1,33 @@ +; RUN: llc -march=mips -mcpu=4ke < %s | FileCheck %s + +; CHECK: clz $2, $4 +define i32 @t1(i32 %X) nounwind readnone { +entry: + %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %X) + ret i32 %tmp1 +} + +declare i32 @llvm.ctlz.i32(i32) nounwind readnone + +; CHECK: clz $2, $4 +define i32 @t2(i32 %X) nounwind readnone { +entry: + %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %X) + ret i32 %tmp1 +} + +; CHECK: clo $2, $4 +define i32 @t3(i32 %X) nounwind readnone { +entry: + %neg = xor i32 %X, -1 + %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %neg) + ret i32 %tmp1 +} + +; CHECK: clo $2, $4 +define i32 @t4(i32 %X) nounwind readnone { +entry: + %neg = xor i32 %X, -1 + %tmp1 = tail call i32 @llvm.ctlz.i32(i32 %neg) + ret i32 %tmp1 +} -- cgit v1.2.3