69cd776e1e
arguments. * Adds 'nonnull' and 'dereferenceable(N)' to 'this' pointer arguments * Gates 'nonnull' on -f(no-)delete-null-pointer-checks * Introduces this-nonnull.cpp and microsoft-abi-this-nullable.cpp tests to explicitly test the behavior of this change * Refactors hundreds of over-constrained clang tests to permit these attributes, where needed * Updates Clang12 patch notes mentioning this change Reviewed-by: rsmith, jdoerfert Differential Revision: https://reviews.llvm.org/D17993
35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm -o - %s | FileCheck %s
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// CHECK: @test2 = alias i32 (), i32 ()* @_Z5test1v
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// CHECK: define i32 @_Z3foov() [[NUW:#[0-9]+]] align 1024
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int foo() __attribute__((aligned(1024)));
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int foo() { }
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class C {
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virtual void bar1() __attribute__((aligned(1)));
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virtual void bar2() __attribute__((aligned(2)));
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virtual void bar3() __attribute__((aligned(1024)));
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void bar4() __attribute__((aligned(1024)));
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} c;
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// CHECK: define void @_ZN1C4bar1Ev(%class.C* {{[^,]*}} %this) unnamed_addr [[NUW]] align 2
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void C::bar1() { }
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// CHECK: define void @_ZN1C4bar2Ev(%class.C* {{[^,]*}} %this) unnamed_addr [[NUW]] align 2
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void C::bar2() { }
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// CHECK: define void @_ZN1C4bar3Ev(%class.C* {{[^,]*}} %this) unnamed_addr [[NUW]] align 1024
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void C::bar3() { }
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// CHECK: define void @_ZN1C4bar4Ev(%class.C* {{[^,]*}} %this) [[NUW]] align 1024
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void C::bar4() { }
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// PR6635
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// CHECK-LABEL: define i32 @_Z5test1v()
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int test1() { return 10; }
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// CHECK at top of file
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extern "C" int test2() __attribute__((alias("_Z5test1v")));
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// CHECK: attributes [[NUW]] = { noinline nounwind{{.*}} }
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