| ; RUN: llc -mtriple=aarch64-eabi %s -o - | FileCheck %s |
| |
| ; The llvm.aarch64.rbit intrinsic should be auto-upgraded to the |
| ; target-independent bitreverse intrinsic. |
| |
| ; CHECK-LABEL: rbit32 |
| ; CHECK: rbit w0, w0 |
| define i32 @rbit32(i32 %t) { |
| entry: |
| %rbit.i = call i32 @llvm.aarch64.rbit.i32(i32 %t) |
| ret i32 %rbit.i |
| } |
| |
| ; CHECK-LABEL: rbit64 |
| ; CHECK: rbit x0, x0 |
| define i64 @rbit64(i64 %t) { |
| entry: |
| %rbit.i = call i64 @llvm.aarch64.rbit.i64(i64 %t) |
| ret i64 %rbit.i |
| } |
| |
| declare i64 @llvm.aarch64.rbit.i64(i64) |
| declare i32 @llvm.aarch64.rbit.i32(i32) |
| |
| ; CHECK-LABEL: rbit_generic32 |
| ; CHECK: rbit w0, w0 |
| define i32 @rbit_generic32(i32 %t) { |
| entry: |
| %rbit = call i32 @llvm.bitreverse.i32(i32 %t) |
| ret i32 %rbit |
| } |
| |
| ; CHECK-LABEL: rbit_generic64 |
| ; CHECK: rbit x0, x0 |
| define i64 @rbit_generic64(i64 %t) { |
| entry: |
| %rbit = call i64 @llvm.bitreverse.i64(i64 %t) |
| ret i64 %rbit |
| } |
| |
| declare i32 @llvm.bitreverse.i32(i32) readnone |
| declare i64 @llvm.bitreverse.i64(i64) readnone |
