File: hlsl.hlsl

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llvm-toolchain-19 1%3A19.1.7-3
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// RUN: %clang_cc1 -std=hlsl2021 -finclude-default-header -x hlsl -triple \
// RUN:   dxil-pc-shadermodel6.3-library %s -emit-llvm -disable-llvm-passes \
// RUN:   -o - | FileCheck %s

// RUN: %clang_cc1 -std=hlsl2021 -finclude-default-header -x hlsl -triple \
// RUN:   dxil-pc-shadermodel6.3-library %s -emit-llvm -disable-llvm-passes \
// RUN:   -o - -fexperimental-new-constant-interpreter | FileCheck %s


/// This test converts V to a 1-element vector and then .xx to a 2-element vector.
// CHECK-LABEL: ToTwoInts
// CHECK: [[splat:%.*]] = insertelement <1 x i32> poison, i32 {{.*}}, i64 0
// CHECK: [[vec2:%.*]] = shufflevector <1 x i32> [[splat]], <1 x i32> poison, <2 x i32> zeroinitializer
// CHECK: ret <2 x i32> [[vec2]]
int2 ToTwoInts(int V){
  return V.xx;
}