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
17 lines
403 B
C++
17 lines
403 B
C++
// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-msvc %s -emit-llvm -o - | FileCheck %s
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// If we de-virtualize ~Foo, we still need to call ??1Foo, not ??_DFoo.
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struct Base {
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virtual ~Base();
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};
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struct Foo final : Base {
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};
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void f(Foo *p) {
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p->~Foo();
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}
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// CHECK-LABEL: define{{.*}} void @"?f@@YAXPEAUFoo@@@Z"(%struct.Foo* noundef %p)
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// CHECK: call void @"??1Foo@@UEAA@XZ"
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// CHECK: ret void
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