diff options
| author | Akira Hatanaka <ahatanaka@apple.com> | 2017-09-22 00:41:05 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@apple.com> | 2017-09-22 00:41:05 +0000 |
| commit | d6b1e9271c5c8ab378dfc5dfefdc2b3593f14f13 (patch) | |
| tree | e330413b337463477ee28fe9920e7898971602c5 /test/Misc | |
| parent | 0702d2e7fe5998912a9979391f64ef6bdd540f00 (diff) | |
Add support for attribute 'noescape'.
The attribute informs the compiler that the annotated pointer parameter
of a function cannot escape and enables IRGen to attach attribute
'nocapture' to parameters that are annotated with the attribute. That is
the only optimization that currently takes advantage of 'noescape', but
there are other optimizations that will be added later that improves
IRGen for ObjC blocks.
This recommits r313722, which was reverted in r313725 because clang
couldn't build compiler-rt. It failed to build because there were
function declarations that were missing 'noescape'. That has been fixed
in r313929.
rdar://problem/19886775
Differential Revision: https://reviews.llvm.org/D32210
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@313945 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Misc')
| -rw-r--r-- | test/Misc/ast-dump-attr.cpp | 8 | ||||
| -rw-r--r-- | test/Misc/pragma-attribute-supported-attributes-list.test | 3 |
2 files changed, 10 insertions, 1 deletions
diff --git a/test/Misc/ast-dump-attr.cpp b/test/Misc/ast-dump-attr.cpp index 07f91605e7..bf942959a8 100644 --- a/test/Misc/ast-dump-attr.cpp +++ b/test/Misc/ast-dump-attr.cpp @@ -180,6 +180,14 @@ __attribute__((external_source_symbol(generated_declaration, defined_in="module" // CHECK: FunctionDecl{{.*}} TestExternalSourceSymbolAttr5 // CHECK-NEXT: ExternalSourceSymbolAttr{{.*}} "Swift" "module" GeneratedDeclaration +namespace TestNoEscape { + void noescapeFunc(int *p0, __attribute__((noescape)) int *p1) {} + // CHECK: `-FunctionDecl{{.*}} noescapeFunc 'void (int *, __attribute__((noescape)) int *)' + // CHECK-NEXT: ParmVarDecl + // CHECK-NEXT: ParmVarDecl + // CHECK-NEXT: NoEscapeAttr +} + namespace TestSuppress { [[gsl::suppress("at-namespace")]]; // CHECK: NamespaceDecl{{.*}} TestSuppress diff --git a/test/Misc/pragma-attribute-supported-attributes-list.test b/test/Misc/pragma-attribute-supported-attributes-list.test index 16c1f67c1b..7529a2425d 100644 --- a/test/Misc/pragma-attribute-supported-attributes-list.test +++ b/test/Misc/pragma-attribute-supported-attributes-list.test @@ -2,7 +2,7 @@ // The number of supported attributes should never go down! -// CHECK: #pragma clang attribute supports 64 attributes: +// CHECK: #pragma clang attribute supports 65 attributes: // CHECK-NEXT: AMDGPUFlatWorkGroupSize (SubjectMatchRule_function) // CHECK-NEXT: AMDGPUNumSGPR (SubjectMatchRule_function) // CHECK-NEXT: AMDGPUNumVGPR (SubjectMatchRule_function) @@ -35,6 +35,7 @@ // CHECK-NEXT: MipsShortCall (SubjectMatchRule_function) // CHECK-NEXT: NoDebug (SubjectMatchRule_hasType_functionType, SubjectMatchRule_objc_method, SubjectMatchRule_variable_not_is_parameter) // CHECK-NEXT: NoDuplicate (SubjectMatchRule_function) +// CHECK-NEXT: NoEscape (SubjectMatchRule_variable_is_parameter) // CHECK-NEXT: NoMicroMips (SubjectMatchRule_function) // CHECK-NEXT: NoSanitize (SubjectMatchRule_function, SubjectMatchRule_objc_method, SubjectMatchRule_variable_is_global) // CHECK-NEXT: NoSanitizeSpecific (SubjectMatchRule_function, SubjectMatchRule_variable_is_global) |