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[OpenMP][FIX] Do not crash trying to print a missing (demangled) user condition 

Reviewed By: JonChesterfield

Differential Revision: https://reviews.llvm.org/D85875
This commit is contained in:
Johannes Doerfert 2020-08-12 19:44:25 -05:00
parent dbde3969ba
commit 6a02932bec
2 changed files with 71 additions and 1 deletions
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3
clang/lib/AST/OpenMPClause.cpp
View File

@ -2201,7 +2201,10 @@ void OMPTraitInfo::print(llvm::raw_ostream &OS,
OS << "(";
if (Selector.Kind == TraitSelector::user_condition) {
if (Selector.ScoreOrCondition)
Selector.ScoreOrCondition->printPretty(OS, nullptr, Policy);
else
OS << "...";
} else {
if (Selector.ScoreOrCondition) {

67
clang/test/AST/ast-dump-openmp-begin-declare-variant_13.c Normal file
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@ -0,0 +1,67 @@
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fopenmp -verify -ast-dump %s | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fopenmp -verify -ast-dump %s -x c++| FileCheck %s
// expected-no-diagnostics
int also_before(void) {
return 1;
}
#pragma omp begin declare variant match(user = {condition(1)})
int also_after(void) {
return 0;
}
int also_before(void) {
return 0;
}
#pragma omp end declare variant
int also_after(void) {
return 2;
}
int test() {
// Should return 0.
return also_after() + also_before();
}
// CHECK: |-FunctionDecl [[ADDR_0:0x[a-z0-9]*]] <{{.*}}, line:7:1> line:5:5 used also_before 'int ({{.*}})'
// CHECK-NEXT: | |-CompoundStmt [[ADDR_1:0x[a-z0-9]*]] <col:23, line:7:1>
// CHECK-NEXT: | | `-ReturnStmt [[ADDR_2:0x[a-z0-9]*]] <line:6:3, col:10>
// CHECK-NEXT: | | `-IntegerLiteral [[ADDR_3:0x[a-z0-9]*]] <col:10> 'int' 1
// CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_4:0x[a-z0-9]*]] <<invalid sloc>> Implicit user={condition(1)}
// CHECK-NEXT: | `-DeclRefExpr [[ADDR_5:0x[a-z0-9]*]] <line:13:1> 'int ({{.*}})' {{.*}}Function [[ADDR_6:0x[a-z0-9]*]] 'also_before[user={condition(...)}]' 'int ({{.*}})'
// CHECK-NEXT: |-FunctionDecl [[ADDR_7:0x[a-z0-9]*]] <line:10:1, col:20> col:5 implicit used also_after 'int ({{.*}})'
// CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_8:0x[a-z0-9]*]] <<invalid sloc>> Implicit user={condition(1)}
// CHECK-NEXT: | `-DeclRefExpr [[ADDR_9:0x[a-z0-9]*]] <col:1> 'int ({{.*}})' {{.*}}Function [[ADDR_10:0x[a-z0-9]*]] 'also_after[user={condition(...)}]' 'int ({{.*}})'
// CHECK-NEXT: |-FunctionDecl [[ADDR_10]] <col:1, line:12:1> line:10:1 also_after[user={condition(...)}] 'int ({{.*}})'
// CHECK-NEXT: | `-CompoundStmt [[ADDR_11:0x[a-z0-9]*]] <col:22, line:12:1>
// CHECK-NEXT: | `-ReturnStmt [[ADDR_12:0x[a-z0-9]*]] <line:11:3, col:10>
// CHECK-NEXT: | `-IntegerLiteral [[ADDR_13:0x[a-z0-9]*]] <col:10> 'int' 0
// CHECK-NEXT: |-FunctionDecl [[ADDR_6]] <line:13:1, line:15:1> line:13:1 also_before[user={condition(...)}] 'int ({{.*}})'
// CHECK-NEXT: | `-CompoundStmt [[ADDR_14:0x[a-z0-9]*]] <col:23, line:15:1>
// CHECK-NEXT: | `-ReturnStmt [[ADDR_15:0x[a-z0-9]*]] <line:14:3, col:10>
// CHECK-NEXT: | `-IntegerLiteral [[ADDR_16:0x[a-z0-9]*]] <col:10> 'int' 0
// CHECK-NEXT: |-FunctionDecl [[ADDR_17:0x[a-z0-9]*]] prev [[ADDR_7]] <line:18:1, line:20:1> line:18:5 used also_after 'int ({{.*}})'
// CHECK-NEXT: | |-CompoundStmt [[ADDR_18:0x[a-z0-9]*]] <col:22, line:20:1>
// CHECK-NEXT: | | `-ReturnStmt [[ADDR_19:0x[a-z0-9]*]] <line:19:3, col:10>
// CHECK-NEXT: | | `-IntegerLiteral [[ADDR_20:0x[a-z0-9]*]] <col:10> 'int' 2
// CHECK-NEXT: | `-OMPDeclareVariantAttr [[ADDR_21:0x[a-z0-9]*]] <<invalid sloc>> Inherited Implicit user={condition(1)}
// CHECK-NEXT: | `-DeclRefExpr [[ADDR_9]] <line:10:1> 'int ({{.*}})' {{.*}}Function [[ADDR_10]] 'also_after[user={condition(...)}]' 'int ({{.*}})'
// CHECK-NEXT: `-FunctionDecl [[ADDR_22:0x[a-z0-9]*]] <line:22:1, line:25:1> line:22:5 test 'int ({{.*}})'
// CHECK-NEXT: `-CompoundStmt [[ADDR_23:0x[a-z0-9]*]] <col:12, line:25:1>
// CHECK-NEXT: `-ReturnStmt [[ADDR_24:0x[a-z0-9]*]] <line:24:3, col:37>
// CHECK-NEXT: `-BinaryOperator [[ADDR_25:0x[a-z0-9]*]] <col:10, col:37> 'int' '+'
// CHECK-NEXT: |-PseudoObjectExpr [[ADDR_26:0x[a-z0-9]*]] <col:10, col:21> 'int'
// CHECK-NEXT: | |-CallExpr [[ADDR_27:0x[a-z0-9]*]] <col:10, col:21> 'int'
// CHECK-NEXT: | | `-ImplicitCastExpr [[ADDR_28:0x[a-z0-9]*]] <col:10> 'int (*)({{.*}})' <FunctionToPointerDecay>
// CHECK-NEXT: | | `-DeclRefExpr [[ADDR_29:0x[a-z0-9]*]] <col:10> 'int ({{.*}})' {{.*}}Function [[ADDR_17]] 'also_after' 'int ({{.*}})'
// CHECK-NEXT: | `-CallExpr [[ADDR_30:0x[a-z0-9]*]] <line:10:1, line:24:21> 'int'
// CHECK-NEXT: | `-ImplicitCastExpr [[ADDR_31:0x[a-z0-9]*]] <line:10:1> 'int (*)({{.*}})' <FunctionToPointerDecay>
// CHECK-NEXT: | `-DeclRefExpr [[ADDR_9]] <col:1> 'int ({{.*}})' {{.*}}Function [[ADDR_10]] 'also_after[user={condition(...)}]' 'int ({{.*}})'
// CHECK-NEXT: `-PseudoObjectExpr [[ADDR_32:0x[a-z0-9]*]] <line:24:25, col:37> 'int'
// CHECK-NEXT: |-CallExpr [[ADDR_33:0x[a-z0-9]*]] <col:25, col:37> 'int'
// CHECK-NEXT: | `-ImplicitCastExpr [[ADDR_34:0x[a-z0-9]*]] <col:25> 'int (*)({{.*}})' <FunctionToPointerDecay>
// CHECK-NEXT: | `-DeclRefExpr [[ADDR_35:0x[a-z0-9]*]] <col:25> 'int ({{.*}})' {{.*}}Function [[ADDR_0]] 'also_before' 'int ({{.*}})'
// CHECK-NEXT: `-CallExpr [[ADDR_36:0x[a-z0-9]*]] <line:13:1, line:24:37> 'int'
// CHECK-NEXT: `-ImplicitCastExpr [[ADDR_37:0x[a-z0-9]*]] <line:13:1> 'int (*)({{.*}})' <FunctionToPointerDecay>
// CHECK-NEXT: `-DeclRefExpr [[ADDR_5]] <col:1> 'int ({{.*}})' {{.*}}Function [[ADDR_6]] 'also_before[user={condition(...)}]' 'int ({{.*}})'