1; RUN: opt -S -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-compute %s | FileCheck %s 2 3define void @main(i1 %expr) { 4entry: 5; CHECK: call i32 @dx.op.waveAllOp(i32 135, i1 %expr){{$}} 6 %0 = call i32 @llvm.dx.wave.active.countbits(i1 %expr) 7 ret void 8} 9 10declare i32 @llvm.dx.wave.active.countbits(i1) 11