forked from OSchip/llvm-project
144 lines
4.1 KiB
C++
144 lines
4.1 KiB
C++
// Test without serialization:
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// RUN: %clang_cc1 -fsyntax-only -triple x86_64-pc-linux -std=c++11 -ast-dump %s \
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// RUN: | FileCheck --strict-whitespace %s
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// Test with serialization:
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// RUN: %clang_cc1 -triple x86_64-pc-linux -emit-pch -o %t %s
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// RUN: %clang_cc1 -x c++ -triple x86_64-pc-linux -include-pch %t -ast-dump-all /dev/null \
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// RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \
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// RUN: | FileCheck --strict-whitespace %s
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float func_01(float x);
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template <typename T>
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T func_02(T x) {
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#pragma STDC FP_CONTRACT ON
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return func_01(x);
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}
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float func_03(float x) {
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#pragma STDC FP_CONTRACT OFF
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return func_02(x);
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}
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// CHECK: FunctionTemplateDecl {{.*}} func_02
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// CHECK: FunctionDecl {{.*}} func_02 'float (float)'
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// CHECK-NEXT: TemplateArgument type 'float'
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// CHECK-NEXT: BuiltinType {{.*}} 'float'
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// CHECK-NEXT: ParmVarDecl {{.*}} x 'float'
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// CHECK-NEXT: CompoundStmt
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// CHECK-NEXT: ReturnStmt
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// CHECK-NEXT: CallExpr {{.*}} FPContractMode=1
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// CHECK: FunctionDecl {{.*}} func_03 'float (float)'
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// CHECK-NEXT: ParmVarDecl {{.*}} x 'float'
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// CHECK-NEXT: CompoundStmt
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// CHECK-NEXT: ReturnStmt
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// CHECK-NEXT: CallExpr {{.*}} FPContractMode=0
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int func_04(float x) {
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#pragma STDC FP_CONTRACT ON
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return x;
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}
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// CHECK: FunctionDecl {{.*}} func_04 'int (float)'
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// CHECK-NEXT: ParmVarDecl {{.*}} x 'float'
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// CHECK-NEXT: CompoundStmt
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// CHECK-NEXT: ReturnStmt
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// CHECK-NEXT: ImplicitCastExpr {{.*}} 'int' <FloatingToIntegral> FPContractMode=1
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float func_05(double x) {
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#pragma STDC FP_CONTRACT ON
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return (float)x;
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}
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// CHECK: FunctionDecl {{.*}} func_05 'float (double)'
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// CHECK-NEXT: ParmVarDecl {{.*}} x 'double'
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// CHECK-NEXT: CompoundStmt
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// CHECK-NEXT: ReturnStmt
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// CHECK-NEXT: CStyleCastExpr {{.*}} FPContractMode=1
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float func_06(double x) {
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#pragma STDC FP_CONTRACT ON
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return float(x);
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}
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// CHECK: FunctionDecl {{.*}} func_06 'float (double)'
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// CHECK-NEXT: ParmVarDecl {{.*}} x 'double'
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// CHECK-NEXT: CompoundStmt
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// CHECK-NEXT: ReturnStmt
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// CHECK-NEXT: CXXFunctionalCastExpr {{.*}} FPContractMode=1
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float func_07(double x) {
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#pragma STDC FP_CONTRACT ON
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return static_cast<float>(x);
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}
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// CHECK: FunctionDecl {{.*}} func_07 'float (double)'
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// CHECK-NEXT: ParmVarDecl {{.*}} x 'double'
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// CHECK-NEXT: CompoundStmt
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// CHECK-NEXT: ReturnStmt
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// CHECK-NEXT: CXXStaticCastExpr {{.*}} FPContractMode=1
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#pragma STDC FENV_ROUND FE_DOWNWARD
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float func_10(float x, float y) {
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return x + y;
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}
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// CHECK-LABEL: FunctionDecl {{.*}} func_10 'float (float, float)'
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// CHECK: BinaryOperator {{.*}} 'float' '+' RoundingMode=downward
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float func_11(float x, float y) {
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if (x < 0) {
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#pragma STDC FENV_ROUND FE_UPWARD
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return x + y;
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}
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return x - y;
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}
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// CHECK-LABEL: FunctionDecl {{.*}} func_11 'float (float, float)'
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// CHECK: BinaryOperator {{.*}} 'float' '+' RoundingMode=upward
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// CHECK: BinaryOperator {{.*}} 'float' '-' RoundingMode=downward
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#pragma STDC FENV_ROUND FE_DYNAMIC
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float func_12(float x, float y) {
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return x + y;
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}
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// CHECK-LABEL: FunctionDecl {{.*}} func_12 'float (float, float)'
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// CHECK: BinaryOperator {{.*}} 'float' '+' RoundingMode=tonearest
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#pragma STDC FENV_ROUND FE_TONEAREST
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float func_13(float x, float y) {
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return x + y;
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}
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// CHECK-LABEL: FunctionDecl {{.*}} func_13 'float (float, float)'
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// CHECK: BinaryOperator {{.*}} 'float' '+' RoundingMode=tonearest
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template <typename T>
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T func_14(T x, T y) {
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#pragma STDC FENV_ROUND FE_TOWARDZERO
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return x + y;
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}
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float func_15(float x, float y) {
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#pragma STDC FENV_ROUND FE_DOWNWARD
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return func_14(x, y);
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}
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// CHECK-LABEL: FunctionTemplateDecl {{.*}} func_14
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// CHECK: FunctionDecl {{.*}} func_14 'T (T, T)'
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// CHECK: CompoundStmt
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// CHECK-NEXT: ReturnStmt
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// CHECK-NEXT: BinaryOperator {{.*}} '+' RoundingMode=towardzero
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// CHECK: FunctionDecl {{.*}} func_14 'float (float, float)'
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// CHECK: CompoundStmt
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// CHECK-NEXT: ReturnStmt
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// CHECK-NEXT: BinaryOperator {{.*}} 'float' '+' RoundingMode=towardzero
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