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
13 lines
318 B
C++
13 lines
318 B
C++
// RUN: %clang_cc1 -flto -flto-unit -triple x86_64-unknown-linux -fvisibility hidden -fsanitize=cfi-vcall -fsanitize-trap=cfi-vcall -emit-llvm -o - %s | FileCheck %s
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struct A {
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virtual void f(int);
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};
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int g();
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void f(A *a) {
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// CHECK: call noundef i32 @_Z1gv()
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// CHECK: call i1 @llvm.type.test
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a->f(g());
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}
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