| ; RUN: llc -march=x86-64 -mattr=+popcnt < %s | FileCheck %s | |
| define i8 @cnt8(i8 %x) nounwind readnone { | |
| %cnt = tail call i8 @llvm.ctpop.i8(i8 %x) | |
| ret i8 %cnt | |
| ; CHECK: cnt8: | |
| ; CHECK: popcntw | |
| ; CHECK: ret | |
| } | |
| define i16 @cnt16(i16 %x) nounwind readnone { | |
| %cnt = tail call i16 @llvm.ctpop.i16(i16 %x) | |
| ret i16 %cnt | |
| ; CHECK: cnt16: | |
| ; CHECK: popcntw | |
| ; CHECK: ret | |
| } | |
| define i32 @cnt32(i32 %x) nounwind readnone { | |
| %cnt = tail call i32 @llvm.ctpop.i32(i32 %x) | |
| ret i32 %cnt | |
| ; CHECK: cnt32: | |
| ; CHECK: popcntl | |
| ; CHECK: ret | |
| } | |
| define i64 @cnt64(i64 %x) nounwind readnone { | |
| %cnt = tail call i64 @llvm.ctpop.i64(i64 %x) | |
| ret i64 %cnt | |
| ; CHECK: cnt64: | |
| ; CHECK: popcntq | |
| ; CHECK: ret | |
| } | |
| declare i8 @llvm.ctpop.i8(i8) nounwind readnone | |
| declare i16 @llvm.ctpop.i16(i16) nounwind readnone | |
| declare i32 @llvm.ctpop.i32(i32) nounwind readnone | |
| declare i64 @llvm.ctpop.i64(i64) nounwind readnone |