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
14 lines
259 B
C++
14 lines
259 B
C++
// RUN: %clang_cc1 %s -triple i386-unknown-unknown -emit-llvm -o - | FileCheck %s
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struct A {
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virtual int operator-();
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};
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void f(A a, A *ap) {
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// CHECK: call noundef i32 @_ZN1AngEv(%struct.A* {{[^,]*}} %a)
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-a;
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// CHECK: call noundef i32 %
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-*ap;
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}
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