| ; RUN: llc -verify-machineinstrs -mtriple=ppc64-- -mattr=+popcntd < %s | FileCheck %s |
| ; RUN: llc -verify-machineinstrs -mtriple=ppc64-- -mattr=+slow-popcntd < %s | FileCheck %s --check-prefix=SLOWPC |
| ; RUN: llc -verify-machineinstrs -mtriple=ppc64-- -mcpu=pwr7 < %s | FileCheck %s |
| |
| define i64 @_cntb64(i64 %x) nounwind readnone { |
| %cnt = tail call i64 @llvm.ppc.popcntb(i64 %x) |
| ret i64 %cnt |
| ; CHECK-LABEL: @_cntb64 |
| ; CHECK: popcntb |
| ; CHECK: blr |
| } |
| |
| define i32 @_cntb32(i32 %x) nounwind readnone { |
| %y = zext i32 %x to i64 |
| %cnt = tail call i64 @llvm.ppc.popcntb(i64 %y) |
| %res = trunc i64 %cnt to i32 |
| ret i32 %res |
| ; CHECK-LABEL: @_cntb32 |
| ; CHECK: popcntb |
| ; CHECK: blr |
| } |
| |
| define i8 @cnt8(i8 %x) nounwind readnone { |
| %cnt = tail call i8 @llvm.ctpop.i8(i8 %x) |
| ret i8 %cnt |
| ; CHECK-LABEL: @cnt8 |
| ; CHECK: clrldi |
| ; CHECK: popcntd |
| ; CHECK: blr |
| |
| ; SLOWPC-LABEL: @cnt8 |
| ; SLOWPC-NOT: popcnt |
| } |
| |
| define i16 @cnt16(i16 %x) nounwind readnone { |
| %cnt = tail call i16 @llvm.ctpop.i16(i16 %x) |
| ret i16 %cnt |
| ; CHECK-LABEL: @cnt16 |
| ; CHECK: clrldi |
| ; CHECK: popcntd |
| ; CHECK: blr |
| |
| ; SLOWPC-LABEL: @cnt16 |
| ; SLOWPC-NOT: popcnt |
| } |
| |
| define i32 @cnt32(i32 %x) nounwind readnone { |
| %cnt = tail call i32 @llvm.ctpop.i32(i32 %x) |
| ret i32 %cnt |
| ; CHECK-LABEL: @cnt32 |
| ; CHECK: popcntw |
| ; CHECK: blr |
| |
| ; SLOWPC-LABEL: @cnt32 |
| ; SLOWPC-NOT: popcnt |
| } |
| |
| define i64 @cnt64(i64 %x) nounwind readnone { |
| %cnt = tail call i64 @llvm.ctpop.i64(i64 %x) |
| ret i64 %cnt |
| ; CHECK-LABEL: @cnt64 |
| ; CHECK: popcntd |
| ; CHECK: blr |
| |
| ; SLOWPC-LABEL: @cnt64 |
| ; SLOWPC-NOT: popcnt |
| } |
| |
| 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 |
| declare i64 @llvm.ppc.popcntb(i64) nounwind readnone |
