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// RUN: %clang_cc1 -ast-dump -verify -x c %s | FileCheck -check-prefix=CHECK-C %s
// RUN: %clang_cc1 -ast-dump -x c++ -std=c++11 %s | FileCheck %s --check-prefixes CHECK-C,CHECK-CPP
// expected-no-diagnostics
void bar(int);
// CHECK-C: FunctionDecl{{.*}}code_align 'void ()'
void code_align() {
int a1[10], a2[10];
// CHECK-C: AttributedStmt
// CHECK-C-NEXT: CodeAlignAttr
// CHECK-C-NEXT: ConstantExpr{{.*}}'int'
// CHECK-C-NEXT: value: Int 16
// CHECK-C-NEXT: IntegerLiteral{{.*}}16{{$}}
[[clang::code_align(16)]] for (int p = 0; p < 128; ++p) {
a1[p] = a2[p] = 0;
}
// CHECK-C: AttributedStmt
// CHECK-C-NEXT: CodeAlignAttr
// CHECK-C-NEXT: ConstantExpr{{.*}}'int'
// CHECK-C-NEXT: value: Int 4
// CHECK-C-NEXT: IntegerLiteral{{.*}}4{{$}}
int i = 0;
[[clang::code_align(4)]] while (i < 30) {
a1[i] += 3;
}
// CHECK-C: AttributedStmt
// CHECK-C-NEXT: CodeAlignAttr
// CHECK-C-NEXT: ConstantExpr{{.*}}'int'
// CHECK-C-NEXT: value: Int 32
// CHECK-C-NEXT: IntegerLiteral{{.*}}32{{$}}
for (int i = 0; i < 128; ++i) {
[[clang::code_align(32)]] for (int j = 0; j < 128; ++j) {
a1[i] += a1[j];
}
}
// CHECK-C: AttributedStmt
// CHECK-C-NEXT: CodeAlignAttr
// CHECK-C-NEXT: ConstantExpr{{.*}}'int'
// CHECK-C-NEXT: value: Int 64
// CHECK-C-NEXT: IntegerLiteral{{.*}}64{{$}}
[[clang::code_align(64)]]
for(int I=0; I<128; ++I) { bar(I); }
// CHECK-C: AttributedStmt
// CHECK-C-NEXT: CodeAlignAttr
// CHECK-C-NEXT: ConstantExpr{{.*}}'int'
// CHECK-C-NEXT: value: Int 4
// CHECK-C-NEXT: IntegerLiteral{{.*}}4{{$}}
int b = 10;
[[clang::code_align(4)]] do {
b = b + 1;
} while (b < 20);
}
#if __cplusplus >= 201103L
//CHECK-CPP: FunctionDecl{{.*}}used code_align_cpp 'void ()' implicit_instantiation
template <int A, int B>
void code_align_cpp() {
int a[10];
// CHECK-CPP: AttributedStmt
// CHECK-CPP-NEXT: CodeAlignAttr
// CHECK-CPP-NEXT: ConstantExpr{{.*}}'int'
// CHECK-CPP-NEXT: value: Int 32
// CHECK-CPP-NEXT: SubstNonTypeTemplateParmExpr{{.*}}'int'
// CHECK-CPP-NEXT: NonTypeTemplateParmDecl{{.*}}referenced 'int' depth 0 index 0 A
// CHECK-CPP-NEXT: IntegerLiteral{{.*}}32{{$}}
[[clang::code_align(A)]] for (int i = 0; i != 10; ++i)
a[i] = 0;
// CHECK-CPP: AttributedStmt
// CHECK-CPP-NEXT: CodeAlignAttr
// CHECK-CPP-NEXT: ConstantExpr{{.*}}'int'
// CHECK-CPP-NEXT: value: Int 4
// CHECK-CPP-NEXT: SubstNonTypeTemplateParmExpr{{.*}}'int'
// CHECK-CPP-NEXT: NonTypeTemplateParmDecl{{.*}}referenced 'int' depth 0 index 1 B
// CHECK-CPP-NEXT: IntegerLiteral{{.*}}4{{$}}
int c[] = {0, 1, 2, 3, 4, 5};
[[clang::code_align(B)]] for (int n : c) { n *= 2; }
}
int main() {
code_align_cpp<32, 4>();
return 0;
}
#endif
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