diff options
| author | Vedant Kumar <vsk@apple.com> | 2017-03-09 00:18:53 +0000 |
|---|---|---|
| committer | Vedant Kumar <vsk@apple.com> | 2017-03-09 00:18:53 +0000 |
| commit | 4286e35b85962b18073188073346dacc62c63b4f (patch) | |
| tree | b074bd0124922e6389c00b46af556ea889af1c03 /test/CodeGenObjC | |
| parent | 8b3b938195fcbc94ed30215f56af6ac5dad89fd3 (diff) | |
Revert "[ubsan] Detect UB loads from bitfields"
This reverts commit r297298. It breaks the self-host on this bot:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/962/steps/build%20clang%2Fubsan/logs/stdio
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@297331 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenObjC')
| -rw-r--r-- | test/CodeGenObjC/ubsan-bool.m | 57 |
1 files changed, 2 insertions, 55 deletions
diff --git a/test/CodeGenObjC/ubsan-bool.m b/test/CodeGenObjC/ubsan-bool.m index b30562c4d4..6d6c08358d 100644 --- a/test/CodeGenObjC/ubsan-bool.m +++ b/test/CodeGenObjC/ubsan-bool.m @@ -1,5 +1,5 @@ -// RUN: %clang_cc1 -x objective-c -emit-llvm -triple x86_64-apple-macosx10.10.0 -fsanitize=bool %s -o - -w | FileCheck %s -check-prefixes=SHARED,OBJC -// RUN: %clang_cc1 -x objective-c++ -emit-llvm -triple x86_64-apple-macosx10.10.0 -fsanitize=bool %s -o - -w | FileCheck %s -check-prefixes=SHARED,OBJC +// RUN: %clang_cc1 -x objective-c -emit-llvm -triple x86_64-apple-macosx10.10.0 -fsanitize=bool %s -o - | FileCheck %s -check-prefixes=SHARED,OBJC +// RUN: %clang_cc1 -x objective-c++ -emit-llvm -triple x86_64-apple-macosx10.10.0 -fsanitize=bool %s -o - | FileCheck %s -check-prefixes=SHARED,OBJC // RUN: %clang_cc1 -x c -emit-llvm -triple x86_64-apple-macosx10.10.0 -fsanitize=bool %s -o - | FileCheck %s -check-prefixes=SHARED,C typedef signed char BOOL; @@ -10,57 +10,4 @@ BOOL f1() { // C-NOT: call void @__ubsan_handle_load_invalid_value BOOL a = 2; return a + 1; - // SHARED: ret i8 } - -struct S1 { - BOOL b1 : 1; -}; - -// SHARED-LABEL: f2 -BOOL f2(struct S1 *s) { - // OBJC: [[LOAD:%.*]] = load i8, i8* {{.*}} - // OBJC: [[SHL:%.*]] = shl i8 [[LOAD]], 7 - // OBJC: [[ASHR:%.*]] = ashr i8 [[SHL]], 7 - // OBJC: icmp ule i8 [[ASHR]], 1, !nosanitize - // OBJC: call void @__ubsan_handle_load_invalid_value - - // C-NOT: call void @__ubsan_handle_load_invalid_value - return s->b1; - // SHARED: ret i8 -} - -#ifdef __OBJC__ -@interface I1 { -@public - BOOL b1 : 1; -} -@property (nonatomic) BOOL b1; -@end -@implementation I1 -@synthesize b1; -@end - -// Check the synthesized getter. -// OBJC-LABEL: define internal signext i8 @"\01-[I1 b1]" -// OBJC: [[IVAR:%.*]] = load i64, i64* @"OBJC_IVAR_$_I1.b1" -// OBJC: [[ADDR:%.*]] = getelementptr inbounds i8, i8* {{.*}}, i64 [[IVAR]] -// OBJC: [[LOAD:%.*]] = load i8, i8* {{.*}} -// OBJC: [[SHL:%.*]] = shl i8 [[LOAD]], 7 -// OBJC: [[ASHR:%.*]] = ashr i8 [[SHL]], 7 -// OBJC: icmp ule i8 [[ASHR]], 1, !nosanitize -// OBJC: call void @__ubsan_handle_load_invalid_value - -// Also check direct accesses to the ivar. -// OBJC-LABEL: f3 -BOOL f3(I1 *i) { - // OBJC: [[LOAD:%.*]] = load i8, i8* {{.*}} - // OBJC: [[SHL:%.*]] = shl i8 [[LOAD]], 7 - // OBJC: [[ASHR:%.*]] = ashr i8 [[SHL]], 7 - // OBJC: icmp ule i8 [[ASHR]], 1, !nosanitize - // OBJC: call void @__ubsan_handle_load_invalid_value - - return i->b1; - // OBJC: ret i8 -} -#endif /* __OBJC__ */ |