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1// RUN: %clang_cc1 %s -fopenacc -verify2 3short getS();4void Test() {5#pragma acc kernels num_gangs(1)6 while(1);7 8 // expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}9#pragma acc serial num_gangs(1)10 while(1);11 12#pragma acc parallel num_gangs(1)13 while(1);14 15 // expected-error@+2{{OpenACC 'num_gangs' clause cannot appear more than once on a 'kernels' directive}}16 // expected-note@+1{{previous 'num_gangs' clause is here}}17#pragma acc kernels num_gangs(1) num_gangs(2)18 while(1);19 20 // expected-error@+2{{OpenACC 'num_gangs' clause cannot appear more than once on a 'parallel' directive}}21 // expected-note@+1{{previous 'num_gangs' clause is here}}22#pragma acc parallel num_gangs(1) num_gangs(2)23 while(1);24 25 // expected-error@+3{{OpenACC 'num_gangs' clause cannot appear more than once in a 'device_type' region on a 'kernels' directive}}26 // expected-note@+2{{previous 'num_gangs' clause is here}}27 // expected-note@+1{{active 'device_type' clause here}}28#pragma acc kernels num_gangs(1) device_type(*) num_gangs(1) num_gangs(2)29 while(1);30 31 // expected-error@+3{{OpenACC 'num_gangs' clause cannot appear more than once in a 'device_type' region on a 'parallel' directive}}32 // expected-note@+2{{previous 'num_gangs' clause is here}}33 // expected-note@+1{{active 'device_type' clause here}}34#pragma acc parallel device_type(*) num_gangs(1) num_gangs(2)35 while(1);36 37#pragma acc parallel num_gangs(1) device_type(*) num_gangs(2)38 while(1);39 40 // expected-error@+1{{too many integer expression arguments provided to OpenACC 'num_gangs' clause: 'kernels' directive expects maximum of 1, 2 were provided}}41#pragma acc kernels num_gangs(1, getS())42 while(1);43 44 // expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}45#pragma acc serial num_gangs(1, getS())46 while(1);47#pragma acc parallel num_gangs(1, getS())48 while(1);49 50 struct NotConvertible{} NC;51 // expected-error@+1{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}52#pragma acc parallel num_gangs(NC)53 while(1);54 55 // expected-error@+1{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}56#pragma acc parallel num_gangs(1, NC)57 while(1);58 59 // expected-error@+1{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}60#pragma acc parallel num_gangs(NC, 1)61 while(1);62 63#pragma acc parallel num_gangs(getS(), 1, getS())64 while(1);65 66 // expected-error@+1{{too many integer expression arguments provided to OpenACC 'num_gangs' clause: 'parallel' directive expects maximum of 3, 4 were provided}}67#pragma acc parallel num_gangs(getS(), 1, getS(), 1)68 while(1);69 70 // expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'loop' directive}}71#pragma acc loop num_gangs(1)72 for(int i = 5; i < 10;++i);73}74 75void no_dupes_since_last_device_type() {76 // expected-error@+4{{OpenACC 'num_gangs' clause applies to 'device_type' 'radeon', which conflicts with previous 'num_gangs' clause}}77 // expected-note@+3{{active 'device_type' clause here}}78 // expected-note@+2{{previous 'num_gangs' clause is here}}79 // expected-note@+1{{which applies to 'device_type' clause here}}80#pragma acc parallel device_type(nvidia, radeon) num_gangs(getS()) device_type(radeon) num_gangs(getS())81 ;82 // expected-error@+4{{OpenACC 'num_gangs' clause applies to 'device_type' 'nvidia', which conflicts with previous 'num_gangs' clause}}83 // expected-note@+3{{active 'device_type' clause here}}84 // expected-note@+2{{previous 'num_gangs' clause is here}}85 // expected-note@+1{{which applies to 'device_type' clause here}}86#pragma acc parallel device_type(nvidia) num_gangs(getS()) device_type(nvidia, radeon) num_gangs(getS())87 ;88}89