derek.holloway
7502bf64a4
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42 lines
2.4 KiB
Objective-C
42 lines
2.4 KiB
Objective-C
// RUN: %clang_cc1 -fptrauth-calls -fptrauth-objc-isa -fobjc-arc -fblocks -triple arm64e -emit-llvm %s -o - | FileCheck %s
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void (^globalblock)(void) = ^{};
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// CHECK: [[BLOCK_DESCRIPTOR_NAME:@"__block_descriptor_.*"]] = linkonce_odr hidden unnamed_addr constant { i64, i64, ptr, ptr } { i64 0, i64 32, ptr @.str, ptr null }, comdat, align 8
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// CHECK: @__block_literal_global = internal constant { ptr, i32, i32, ptr, ptr } { ptr ptrauth (ptr @_NSConcreteGlobalBlock, i32 2, i64 27361, ptr @__block_literal_global), i32 1342177280, i32 0, ptr ptrauth (ptr @globalblock_block_invoke, i32 0, i64 0, ptr getelementptr inbounds ({ ptr, i32, i32, ptr, ptr }, ptr @__block_literal_global, i32 0, i32 3)), ptr [[BLOCK_DESCRIPTOR_NAME]] }
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@interface A
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- (int) count;
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@end
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void use_block(int (^)(void));
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// CHECK-LABEL: define dso_local void @test_block_literal(
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void test_block_literal(int i) {
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// CHECK: [[I:%.*]] = alloca i32,
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// CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:.*]], align
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// CHECK: [[ISAPTRADDR:%.*]] = getelementptr inbounds nuw [[BLOCK_T]], ptr [[BLOCK]], i32 0, i32 0
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// CHECK-NEXT: [[ISAPTRADDR_I:%.*]] = ptrtoint ptr [[ISAPTRADDR]] to i64
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// CHECK-NEXT: [[ISADISCRIMINATOR:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[ISAPTRADDR_I]], i64 27361)
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// CHECK-NEXT: [[SIGNEDISA:%.*]] = call i64 @llvm.ptrauth.sign(i64 ptrtoint (ptr @_NSConcreteStackBlock to i64), i32 2, i64 [[ISADISCRIMINATOR]])
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// CHECK-NEXT: [[SIGNEDISAPTR:%.*]] = inttoptr i64 [[SIGNEDISA]] to ptr
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// CHECK-NEXT: store ptr [[SIGNEDISAPTR]], ptr [[ISAPTRADDR]]
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use_block(^{return i;});
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}
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void test_conversion_helper(id);
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// CHECK-LABEL: define dso_local void @test_conversion(
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void test_conversion(id a) {
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// CHECK: [[A:%.*addr]] = alloca ptr
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// CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:.*]], align
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// CHECK: [[ISAPTRADDR:%.*]] = getelementptr inbounds nuw [[BLOCK_T]], ptr [[BLOCK]], i32 0, i32 0
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// CHECK-NEXT: [[ISAPTRADDR_I:%.*]] = ptrtoint ptr [[ISAPTRADDR]] to i64
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// CHECK-NEXT: [[ISADISCRIMINATOR:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[ISAPTRADDR_I]], i64 27361)
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// CHECK-NEXT: [[SIGNEDISA:%.*]] = call i64 @llvm.ptrauth.sign(i64 ptrtoint (ptr @_NSConcreteStackBlock to i64), i32 2, i64 [[ISADISCRIMINATOR]])
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// CHECK-NEXT: [[SIGNEDISAPTR:%.*]] = inttoptr i64 [[SIGNEDISA]] to ptr
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// CHECK-NEXT: store ptr [[SIGNEDISAPTR]], ptr [[ISAPTRADDR]]
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test_conversion_helper(^{
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(void)a;
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});
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}
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