llvm-capstone/clang/test/AST/ast-dump-fpfeatures.cpp
Jessica Clarke f9ead46931
[AST] Only dump desugared type when visibly different (#65214)
These are an artifact of how types are structured but serve little
purpose, merely showing that the type is sugared in some way. For
example, ElaboratedType's existence means struct S gets printed as
'struct S':'struct S' in the AST, which is unnecessary visual clutter.
Note that skipping the second print when the types have the same string
matches what we do for diagnostics, where the aka will be skipped.
2023-10-26 19:28:28 +01:00

190 lines
5.6 KiB
C++

// Test without serialization:
// RUN: %clang_cc1 -fsyntax-only -triple x86_64-pc-linux -std=c++11 -ast-dump %s \
// RUN: | FileCheck --strict-whitespace %s
// Test with serialization:
// RUN: %clang_cc1 -triple x86_64-pc-linux -emit-pch -o %t %s
// RUN: %clang_cc1 -x c++ -triple x86_64-pc-linux -include-pch %t -ast-dump-all /dev/null \
// RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \
// RUN: | FileCheck --strict-whitespace %s
float func_01(float x);
template <typename T>
T func_02(T x) {
#pragma STDC FP_CONTRACT ON
return func_01(x);
}
float func_03(float x) {
#pragma STDC FP_CONTRACT OFF
return func_02(x);
}
// CHECK: FunctionTemplateDecl {{.*}} func_02
// CHECK: FunctionDecl {{.*}} func_02 'float (float)'
// CHECK-NEXT: TemplateArgument type 'float'
// CHECK-NEXT: BuiltinType {{.*}} 'float'
// CHECK-NEXT: ParmVarDecl {{.*}} x 'float'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: ReturnStmt
// CHECK-NEXT: CallExpr {{.*}} FPContractMode=1
// CHECK: FunctionDecl {{.*}} func_03 'float (float)'
// CHECK-NEXT: ParmVarDecl {{.*}} x 'float'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: ReturnStmt
// CHECK-NEXT: CallExpr {{.*}} FPContractMode=0
int func_04(float x) {
#pragma STDC FP_CONTRACT ON
return x;
}
// CHECK: FunctionDecl {{.*}} func_04 'int (float)'
// CHECK-NEXT: ParmVarDecl {{.*}} x 'float'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: ReturnStmt
// CHECK-NEXT: ImplicitCastExpr {{.*}} 'int' <FloatingToIntegral> FPContractMode=1
float func_05(double x) {
#pragma STDC FP_CONTRACT ON
return (float)x;
}
// CHECK: FunctionDecl {{.*}} func_05 'float (double)'
// CHECK-NEXT: ParmVarDecl {{.*}} x 'double'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: ReturnStmt
// CHECK-NEXT: CStyleCastExpr {{.*}} FPContractMode=1
float func_06(double x) {
#pragma STDC FP_CONTRACT ON
return float(x);
}
// CHECK: FunctionDecl {{.*}} func_06 'float (double)'
// CHECK-NEXT: ParmVarDecl {{.*}} x 'double'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: ReturnStmt
// CHECK-NEXT: CXXFunctionalCastExpr {{.*}} FPContractMode=1
float func_07(double x) {
#pragma STDC FP_CONTRACT ON
return static_cast<float>(x);
}
// CHECK: FunctionDecl {{.*}} func_07 'float (double)'
// CHECK-NEXT: ParmVarDecl {{.*}} x 'double'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: ReturnStmt
// CHECK-NEXT: CXXStaticCastExpr {{.*}} FPContractMode=1
#pragma STDC FENV_ROUND FE_DOWNWARD
float func_10(float x, float y) {
return x + y;
}
// CHECK-LABEL: FunctionDecl {{.*}} func_10 'float (float, float)'
// CHECK: BinaryOperator {{.*}} 'float' '+' ConstRoundingMode=downward
float func_11(float x, float y) {
if (x < 0) {
#pragma STDC FENV_ROUND FE_UPWARD
return x + y;
}
return x - y;
}
// CHECK-LABEL: FunctionDecl {{.*}} func_11 'float (float, float)'
// CHECK: BinaryOperator {{.*}} 'float' '+' ConstRoundingMode=upward
// CHECK: BinaryOperator {{.*}} 'float' '-' ConstRoundingMode=downward
#pragma STDC FENV_ROUND FE_DYNAMIC
float func_12(float x, float y) {
return x + y;
}
// CHECK-LABEL: FunctionDecl {{.*}} func_12 'float (float, float)'
// CHECK: BinaryOperator {{.*}} 'float' '+' ConstRoundingMode=dynamic
#pragma STDC FENV_ROUND FE_TONEAREST
float func_13(float x, float y) {
return x + y;
}
// CHECK-LABEL: FunctionDecl {{.*}} func_13 'float (float, float)'
// CHECK: BinaryOperator {{.*}} 'float' '+' ConstRoundingMode=tonearest
template <typename T>
T func_14(T x, T y) {
#pragma STDC FENV_ROUND FE_TOWARDZERO
return x + y;
}
float func_15(float x, float y) {
#pragma STDC FENV_ROUND FE_DOWNWARD
return func_14(x, y);
}
// CHECK-LABEL: FunctionTemplateDecl {{.*}} func_14
// CHECK: FunctionDecl {{.*}} func_14 'T (T, T)'
// CHECK: CompoundStmt
// CHECK-NEXT: ReturnStmt
// CHECK-NEXT: BinaryOperator {{.*}} '+' ConstRoundingMode=towardzero
// CHECK: FunctionDecl {{.*}} func_14 'float (float, float)'
// CHECK: CompoundStmt
// CHECK-NEXT: ReturnStmt
// CHECK-NEXT: BinaryOperator {{.*}} 'float' '+' ConstRoundingMode=towardzero
float func_16(float x, float y) {
#pragma STDC FENV_ROUND FE_TOWARDZERO
if (x < 0) {
#pragma STDC FENV_ROUND FE_UPWARD
return x - y;
}
return x + y;
}
// CHECK-LABEL: FunctionDecl {{.*}} func_16 'float (float, float)'
// CHECK: CompoundStmt {{.*}} ConstRoundingMode=towardzero
// CHECK: IfStmt
// CHECK: CompoundStmt {{.*}} ConstRoundingMode=upward
// CHECK: ReturnStmt
// CHECK: BinaryOperator {{.*}} ConstRoundingMode=upward
// CHECK: ReturnStmt
// CHECK: BinaryOperator {{.*}} ConstRoundingMode=towardzero
float func_17(float x, float y) {
#pragma STDC FENV_ROUND FE_TOWARDZERO
if (x < 0) {
#pragma STDC FENV_ROUND FE_TOWARDZERO
return x - y;
}
return x + y;
}
// CHECK-LABEL: FunctionDecl {{.*}} func_17 'float (float, float)'
// CHECK: CompoundStmt {{.*}} ConstRoundingMode=towardzero
// CHECK: IfStmt
// CHECK: CompoundStmt {{.*}}
// CHECK: ReturnStmt
// CHECK: BinaryOperator {{.*}} ConstRoundingMode=towardzero
// CHECK: ReturnStmt
// CHECK: BinaryOperator {{.*}} ConstRoundingMode=towardzero
#pragma STDC FENV_ROUND FE_DOWNWARD
float func_18(float x, float y) {
return x + y;
}
// CHECK-LABEL: FunctionDecl {{.*}} func_18 'float (float, float)'
// CHECK: CompoundStmt {{.*}} ConstRoundingMode=downward
// CHECK: ReturnStmt
// CHECK: BinaryOperator {{.*}} ConstRoundingMode=downward