derek.holloway
7502bf64a4
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92 lines
6.1 KiB
HLSL
92 lines
6.1 KiB
HLSL
// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -verify -o - %s
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// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -Wno-conversion -DNO_ERR -ast-dump %s | FileCheck %s
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void test() {
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// CHECK: VarDecl {{.*}} used f3 'vector<float, 3>' cinit
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<float, 3>' <VectorSplat>
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// CHECK-NEXT: FloatingLiteral {{.*}} 'float' 1.000000e+00
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vector<float,3> f3 = 1.0; // No warning for splatting to a vector from a literal.
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// CHECK: VarDecl {{.*}} used d4 'vector<double, 4>' cinit
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<double, 4>' <FloatingCast>
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// CHECK-NEXT: ExtVectorElementExpr {{.*}} 'vector<float, 4>' xyzx
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// CHECK-NEXT: DeclRefExpr {{.*}} 'vector<float, 3>' lvalue Var {{.*}} 'f3' 'vector<float, 3>'
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vector<double,4> d4 = f3.xyzx; // No warnings for promotion or explicit extension.
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// CHECK: VarDecl {{.*}} used f2 'vector<float, 2>' cinit
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<float, 2>' <HLSLVectorTruncation>
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<float, 3>' <LValueToRValue>
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// CHECK-NEXT: DeclRefExpr {{.*}} 'vector<float, 3>' lvalue Var {{.*}} 'f3' 'vector<float, 3>'
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// expected-warning@#f2{{implicit conversion truncates vector: 'vector<float, 3>' (vector of 3 'float' values) to 'vector<float, 2>' (vector of 2 'float' values)}}
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vector<float,2> f2 = f3; // #f2
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// CHECK: VarDecl {{.*}} f2_2 'vector<float, 2>' cinit
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<float, 2>' <HLSLVectorTruncation>
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<float, 4>' <FloatingCast>
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<double, 4>' <LValueToRValue>
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// CHECK-NEXT: DeclRefExpr {{.*}} 'vector<double, 4>' lvalue Var {{.*}} 'd4' 'vector<double, 4>'
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// expected-warning@#f2_2{{implicit conversion truncates vector: 'vector<double, 4>' (vector of 4 'double' values) to 'vector<float, 2>' (vector of 2 'float' values)}}
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// expected-warning@#f2_2{{implicit conversion loses floating-point precision: 'vector<double, 4>' (vector of 4 'double' values) to 'vector<float, 2>' (vector of 2 'float' values)}}
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vector<float,2> f2_2 = d4; // #f2_2
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// CHECK: VarDecl {{.*}} i2 'vector<int, 2>' cinit
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<int, 2>' <FloatingToIntegral>
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<float, 2>' <LValueToRValue>
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// CHECK-NEXT: DeclRefExpr {{.*}} 'vector<float, 2>' lvalue Var {{.*}} 'f2' 'vector<float, 2>'
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// expected-warning@#i2{{mplicit conversion turns floating-point number into integer: 'vector<float, 2>' (vector of 2 'float' values) to 'vector<int, 2>' (vector of 2 'int' values)}}
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vector<int,2> i2 = f2; // #i2
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// CHECK: VarDecl {{.*}} i2_2 'vector<int, 2>' cinit
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<int, 2>' <HLSLVectorTruncation>
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<int, 4>' <FloatingToIntegral>
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<double, 4>' <LValueToRValue>
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// CHECK-NEXT: DeclRefExpr {{.*}} 'vector<double, 4>' lvalue Var {{.*}} 'd4' 'vector<double, 4>'
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// expected-warning@#i2_2{{implicit conversion truncates vector: 'vector<double, 4>' (vector of 4 'double' values) to 'vector<int, 2>' (vector of 2 'int' values)}}
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// expected-warning@#i2_2{{implicit conversion turns floating-point number into integer: 'vector<double, 4>' (vector of 4 'double' values) to 'vector<int, 2>' (vector of 2 'int' values)}}
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vector<int,2> i2_2 = d4; // #i2_2
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// CHECK: VarDecl {{.*}} used i64_4 'vector<long, 4>' cinit
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<long, 4>' <FloatingToIntegral>
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<double, 4>' <LValueToRValue>
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// CHECK-NEXT: DeclRefExpr {{.*}} 'vector<double, 4>' lvalue Var {{.*}} 'd4' 'vector<double, 4>'
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// expected-warning@#i64_4{{implicit conversion turns floating-point number into integer: 'vector<double, 4>' (vector of 4 'double' values) to 'vector<long, 4>' (vector of 4 'long' values)}}
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vector<long,4> i64_4 = d4; // #i64_4
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// CHECK: VarDecl {{.*}} used i2_3 'vector<int, 2>' cinit
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<int, 2>' <HLSLVectorTruncation>
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<int, 4>' <IntegralCast>
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<long, 4>' <LValueToRValue>
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// CHECK-NEXT: DeclRefExpr {{.*}} 'vector<long, 4>' lvalue Var {{.*}} 'i64_4' 'vector<long, 4>'
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// expected-warning@#i2_3{{implicit conversion loses integer precision: 'vector<long, 4>' (vector of 4 'long' values) to 'vector<int, 2>' (vector of 2 'int' values)}}
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// expected-warning@#i2_3{{implicit conversion truncates vector: 'vector<long, 4>' (vector of 4 'long' values) to 'vector<int, 2>' (vector of 2 'int' values)}}
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vector<int,2> i2_3 = i64_4; // #i2_3
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//CHECK: VarDecl {{.*}} b2 'vector<bool, 2>' cinit
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//CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<bool, 2>' <IntegralToBoolean>
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//CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<int, 2>' <LValueToRValue>
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//CHECK-NEXT: DeclRefExpr {{.*}} 'vector<int, 2>' lvalue Var {{.*}} 'i2_3' 'vector<int, 2>'
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vector<bool, 2> b2 = i2_3; // No warning for integer to bool conversion.
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// CHECK: VarDecl {{.*}} b2_2 'vector<bool, 2>' cinit
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<bool, 2>' <HLSLVectorTruncation>
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<bool, 4>' <FloatingToBoolean>
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'vector<double, 4>' <LValueToRValue>
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// CHECK-NEXT: DeclRefExpr {{.*}} 'vector<double, 4>' lvalue Var {{.*}} 'd4' 'vector<double, 4>'
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// expected-warning@#b2_2{{implicit conversion truncates vector: 'vector<double, 4>' (vector of 4 'double' values) to 'vector<bool, 2>' (vector of 2 'bool' values)}}
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// expected-warning@#b2_2{{implicit conversion turns floating-point number into integer: 'vector<double, 4>' (vector of 4 'double' values) to 'vector<bool, 2>' (vector of 2 'bool' values)}}
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vector<bool, 2> b2_2 = d4; // #b2_2
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}
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#ifndef NO_ERR
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void illegal() {
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// vector extension is illegal
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vector<float,3> f3 = 1.0;
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vector<float,4> f4 = f3; // expected-error{{cannot initialize a variable of type 'vector<[...], 4>' with an lvalue of type 'vector<[...], 3>'}}
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}
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#endif
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