| ; RUN: opt -S -dxil-op-lower < %s | FileCheck %s |
| |
| ; Make sure dxil operation function calls for reversebits are generated for all integer types. |
| |
| ; Function Attrs: nounwind |
| define noundef i16 @test_bitreverse_short(i16 noundef %a) { |
| entry: |
| ; CHECK:call i16 @dx.op.unary.i16(i32 30, i16 %{{.*}}) |
| %elt.bitreverse = call i16 @llvm.bitreverse.i16(i16 %a) |
| ret i16 %elt.bitreverse |
| } |
| |
| ; Function Attrs: nounwind |
| define noundef i32 @test_bitreverse_int(i32 noundef %a) { |
| entry: |
| ; CHECK:call i32 @dx.op.unary.i32(i32 30, i32 %{{.*}}) |
| %elt.bitreverse = call i32 @llvm.bitreverse.i32(i32 %a) |
| ret i32 %elt.bitreverse |
| } |
| |
| ; Function Attrs: nounwind |
| define noundef i64 @test_bitreverse_long(i64 noundef %a) { |
| entry: |
| ; CHECK:call i64 @dx.op.unary.i64(i32 30, i64 %{{.*}}) |
| %elt.bitreverse = call i64 @llvm.bitreverse.i64(i64 %a) |
| ret i64 %elt.bitreverse |
| } |
| |
| declare i16 @llvm.bitreverse.i16(i16) |
| declare i32 @llvm.bitreverse.i32(i32) |
| declare i64 @llvm.bitreverse.i64(i64) |
