87 lines · cpp
1// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized2 3// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized4 5void xxx(int argc) {6 int x; // expected-note {{initialize the variable 'x' to silence this warning}}7#pragma omp masked8 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}9}10 11void yyy(int argc) {12 int x; // expected-note {{initialize the variable 'x' to silence this warning}}13#pragma omp masked filter(1)14 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}15}16 17int foo();18 19int main() {20 #pragma omp masked21 ;22 #pragma omp masked filter(1) filter(2) // expected-error {{directive '#pragma omp masked' cannot contain more than one 'filter' clause}}23 ;24 int x,y,z;25 #pragma omp masked filter(x) filter(y) filter(z) // expected-error 2 {{directive '#pragma omp masked' cannot contain more than one 'filter' clause}}26 ;27 #pragma omp masked nowait // expected-error {{unexpected OpenMP clause 'nowait' in directive '#pragma omp masked'}}28 #pragma omp masked unknown // expected-warning {{extra tokens at the end of '#pragma omp masked' are ignored}}29 foo();30 {31 #pragma omp masked32 } // expected-error {{expected statement}}33 {34 #pragma omp masked filter(2)35 } // expected-error {{expected statement}}36 #pragma omp for37 for (int i = 0; i < 10; ++i) {38 foo();39 #pragma omp masked filter(1) // expected-error {{region cannot be closely nested inside 'for' region}}40 foo();41 }42 #pragma omp sections43 {44 foo();45 #pragma omp masked // expected-error {{region cannot be closely nested inside 'sections' region}}46 foo();47 }48 #pragma omp single49 for (int i = 0; i < 10; ++i) {50 foo();51 #pragma omp masked allocate(i) // expected-error {{region cannot be closely nested inside 'single' region}} expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp masked'}}52 foo();53 }54 #pragma omp masked55 for (int i = 0; i < 10; ++i) {56 foo();57 #pragma omp masked58 foo();59 }60 #pragma omp for ordered61 for (int i = 0; i < 10; ++i)62 #pragma omp masked // expected-error {{region cannot be closely nested inside 'for' region}}63 {64 foo();65 }66 67 return 0;68}69 70int foo() {71 L1: // expected-note {{jump exits scope of OpenMP structured block}}72 foo();73 #pragma omp masked filter(0)74 {75 foo();76 goto L1; // expected-error {{cannot jump from this goto statement to its label}}77 }78 goto L2; // expected-error {{cannot jump from this goto statement to its label}}79 #pragma omp masked filter(-2)80 { // expected-note {{jump bypasses OpenMP structured block}}81 L2:82 foo();83 }84 85 return 0;86}87