| ; 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-LABEL: 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-LABEL: 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-LABEL: 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-LABEL: 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 |
