e0ac46e69d
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d. This commit wasn't reviewed ahead of time and significant concerns were raised immediately after it landed. According to our developer policy this warrants immediate revert of the commit. https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy Differential Revision: https://reviews.llvm.org/D155509
76 lines
3.9 KiB
Plaintext
76 lines
3.9 KiB
Plaintext
// RUN: %clang_cc1 -x objective-c++ -fblocks -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -std=c++1z -emit-llvm -o - %s | FileCheck %s
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// rdar://31385153
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// Shouldn't crash!
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// CHECK: %[[CLASS_ANON:.*]] = type { %[[STRUCT_COPYABLE:.*]] }
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// CHECK: %[[STRUCT_COPYABLE]] = type { i8 }
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// CHECK: %[[CLASS_ANON_0:.*]] = type { %[[STRUCT_COPYABLE]] }
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// CHECK: %[[CLASS_ANON_1:.*]] = type { %[[STRUCT_COPYABLE]] }
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// CHECK: %[[CLASS_ANON_2:.*]] = type { %[[STRUCT_COPYABLE]] }
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// CHECK: @[[BLOCK_DESC0:.*]] = internal constant { i64, i64, ptr, ptr, ptr, ptr } { i64 0, i64 33, ptr @[[COPY_HELPER0:.*__copy_helper_block_.*]], ptr @__destroy_helper_block{{.*}}, {{.*}}}, align 8
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// CHECK: @[[BLOCK_DESC1:.*]] = internal constant { i64, i64, ptr, ptr, ptr, ptr } { i64 0, i64 33, ptr @[[COPY_HELPER1:.*__copy_helper_block_.*]], ptr @__destroy_helper_block{{.*}}, {{.*}}}, align 8
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// CHECK: @[[BLOCK_DESC2:.*]] = internal constant { i64, i64, ptr, ptr, ptr, ptr } { i64 0, i64 33, ptr @[[COPY_HELPER2:.*__copy_helper_block_.*]], ptr @__destroy_helper_block{{.*}}, {{.*}}}, align 8
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// CHECK: @[[BLOCK_DESC3:.*]] = internal constant { i64, i64, ptr, ptr, ptr, ptr } { i64 0, i64 33, ptr @[[COPY_HELPER3:.*__copy_helper_block_.*]], ptr @__destroy_helper_block{{.*}}, {{.*}}}, align 8
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// CHECK: define{{.*}} void @_Z9hasLambda8Copyable(
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// CHECK: %[[BLOCK:.*]] = alloca <{ ptr, i32, i32, ptr, ptr, %[[CLASS_ANON]] }>, align 8
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// CHECK: %[[BLOCK1:.*]] = alloca <{ ptr, i32, i32, ptr, ptr, %[[CLASS_ANON_0]] }>, align 8
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// CHECK: %[[BLOCK_DESCRIPTOR:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, %[[CLASS_ANON]] }>, ptr %[[BLOCK]], i32 0, i32 4
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// CHECK: store ptr @[[BLOCK_DESC0]], ptr %[[BLOCK_DESCRIPTOR]], align 8
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// CHECK: %[[BLOCK_DESCRIPTOR6:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, %[[CLASS_ANON_0]] }>, ptr %[[BLOCK1]], i32 0, i32 4
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// CHECK: store ptr @[[BLOCK_DESC1]], ptr %[[BLOCK_DESCRIPTOR6]], align 8
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void takesBlock(void (^)(void));
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struct Copyable {
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Copyable(const Copyable &x);
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};
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// Check that each block has its block descriptor and helper function.
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void hasLambda(Copyable x) {
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takesBlock([x] () { });
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takesBlock([x] () { });
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}
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// CHECK: define internal void @[[COPY_HELPER0]]
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// CHECK: call void @"_ZZ9hasLambda8CopyableEN3$_0C1ERKS0_"
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// CHECK: define internal void @[[COPY_HELPER1]]
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// CHECK: define{{.*}} void @_Z17testHelperMerging8Copyable(
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// CHECK: %[[CALL:.*]] = call noundef ptr @[[CONV_FUNC0:.*]](ptr
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// CHECK: call void @_Z10takesBlockU13block_pointerFvvE(ptr noundef %[[CALL]])
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// CHECK: %[[CALL1:.*]] = call noundef ptr @[[CONV_FUNC0]](ptr
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// CHECK: call void @_Z10takesBlockU13block_pointerFvvE(ptr noundef %[[CALL1]])
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// CHECK: %[[CALL2:.*]] = call noundef ptr @[[CONV_FUNC1:.*]](ptr
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// CHECK: call void @_Z10takesBlockU13block_pointerFvvE(ptr noundef %[[CALL2]])
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// CHECK: define internal noundef ptr @[[CONV_FUNC0]](
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// CHECK: %[[BLOCK_DESCRIPTOR:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, %[[CLASS_ANON_1]] }>, ptr %{{.*}}, i32 0, i32 4
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// CHECK: store ptr @[[BLOCK_DESC2]], ptr %[[BLOCK_DESCRIPTOR]], align 8
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// CHECK: define internal noundef ptr @[[CONV_FUNC1]](
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// CHECK: %[[BLOCK_DESCRIPTOR:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, %[[CLASS_ANON_2]] }>, ptr %{{.*}}, i32 0, i32 4
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// CHECK: store ptr @[[BLOCK_DESC3]], ptr %[[BLOCK_DESCRIPTOR]], align 8
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// CHECK-LABEL: define internal void @"_ZZ9hasLambda8CopyableEN3$_0C2ERKS0_"
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// CHECK: call void @_ZN8CopyableC1ERKS_
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// CHECK: define internal void @[[COPY_HELPER2]]
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// CHECK: define internal void @[[COPY_HELPER3]]
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void testHelperMerging(Copyable x) {
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auto lambda0 = [x]{};
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auto lambda1 = [x]{};
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takesBlock(lambda0);
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// This block has the same helper functions and a descriptor as the block
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// created above.
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takesBlock(lambda0);
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// This block has different helper functions and a descriptor as the blocks
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// created above.
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takesBlock(lambda1);
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}
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