File: rsqrt-builtin.hlsl

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llvm-toolchain-21 1%3A21.1.0-1
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// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple dxil-pc-shadermodel6.3-library %s -fnative-half-type -emit-llvm -disable-llvm-passes -o - | FileCheck %s


// CHECK-LABEL: builtin_rsqrt_half
// CHECK: %hlsl.rsqrt = call reassoc nnan ninf nsz arcp afn half @llvm.dx.rsqrt.f16(half %{{.*}})
// CHECK: ret half  %hlsl.rsqrt
half builtin_rsqrt_half(half p0) {
  return __builtin_hlsl_elementwise_rsqrt(p0);
}

// CHECK-LABEL: builtin_rsqrt_float
// CHECK: %hlsl.rsqrt = call reassoc nnan ninf nsz arcp afn float @llvm.dx.rsqrt.f32(float %{{.*}})
// CHECK: ret float  %hlsl.rsqrt
float builtin_rsqrt_float (float p0) {
  return __builtin_hlsl_elementwise_rsqrt(p0);
}