1b1c8d83d3
Turning on `enable_noundef_analysis` flag allows better codegen by removing freeze instructions. I modified clang by renaming `enable_noundef_analysis` flag to `disable-noundef-analysis` and turning it off by default. Test updates are made as a separate patch: D108453 Reviewed By: eugenis Differential Revision: https://reviews.llvm.org/D105169
35 lines
1.0 KiB
Objective-C
35 lines
1.0 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-macosx10 -emit-llvm -x objective-c %s -o - | FileCheck %s
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// CHECK: define internal zeroext i1 @"\01-[A0 p]"(
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// CHECK: %[[ATOMIC_LOAD:.*]] = load atomic i8, i8* %{{.*}} seq_cst, align 1
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// CHECK: %[[TOBOOL:.*]] = trunc i8 %[[ATOMIC_LOAD]] to i1
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// CHECK: ret i1 %[[TOBOOL]]
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// CHECK: define internal void @"\01-[A0 setP:]"({{.*}} i1 noundef zeroext {{.*}})
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// CHECK: store atomic i8 %{{.*}}, i8* %{{.*}} seq_cst, align 1
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// CHECK: ret void
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// CHECK: define internal zeroext i1 @"\01-[A1 p]"(
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// CHECK: %[[ATOMIC_LOAD:.*]] = load atomic i8, i8* %{{.*}} unordered, align 1
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// CHECK: %[[TOBOOL:.*]] = trunc i8 %load to i1
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// CHECK: ret i1 %[[TOBOOL]]
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// CHECK: define internal void @"\01-[A1 setP:]"({{.*}} i1 noundef zeroext %p)
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// CHECK: store atomic i8 %{{.*}}, i8* %{{.*}} unordered, align 1
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// CHECK: ret void
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@interface A0
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@property(nonatomic) _Atomic(_Bool) p;
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@end
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@implementation A0
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@end
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@interface A1 {
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_Atomic(_Bool) p;
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}
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@property _Atomic(_Bool) p;
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@end
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@implementation A1
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@synthesize p;
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@end
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