| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -verify-machineinstrs -csky-no-aliases -mattr=+e2 -mattr=+2e3 < %s -mtriple=csky | FileCheck %s |
| |
| define i32 @ctlz(i32 %x) { |
| ; CHECK-LABEL: ctlz: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: ff1.32 a0, a0 |
| ; CHECK-NEXT: rts16 |
| entry: |
| %nlz = call i32 @llvm.ctlz.i32(i32 %x, i1 1) |
| ret i32 %nlz |
| } |
| |
| define i32 @bswap(i32 %x) { |
| ; CHECK-LABEL: bswap: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: revb16 a0, a0 |
| ; CHECK-NEXT: rts16 |
| entry: |
| %revb32 = call i32 @llvm.bswap.i32(i32 %x) |
| ret i32 %revb32 |
| } |
| |
| define i32 @bitreverse(i32 %x) { |
| ; CHECK-LABEL: bitreverse: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: brev32 a0, a0 |
| ; CHECK-NEXT: rts16 |
| entry: |
| %brev32 = call i32 @llvm.bitreverse.i32(i32 %x) |
| ret i32 %brev32 |
| } |
| |
| declare i32 @llvm.bswap.i32(i32) |
| declare i32 @llvm.ctlz.i32 (i32, i1) |
| declare i32 @llvm.bitreverse.i32(i32) |