hyeongyu kim 1b1c8d83d3 [Clang/Test]: Rename enable_noundef_analysis to disable-noundef-analysis and turn it off by default
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
2022-01-16 18:54:17 +09:00

17 lines
519 B
C++

// RUN: %clang_cc1 %s -emit-llvm -o - -triple i686-pc-win32 | FileCheck %s
struct A {
void Foo();
void Foo(int);
};
using MpTy = void (A::*)();
void Bar(const MpTy &);
void Baz() { Bar(&A::Foo); }
// CHECK-LABEL: define dso_local void @"?Baz@@YAXXZ"(
// CHECK: %[[ref_tmp:.*]] = alloca i8*, align 4
// CHECK: store i8* bitcast (void (%struct.A*)* @"?Foo@A@@QAEXXZ" to i8*), i8** %[[ref_tmp]], align 4
// CHECK: call void @"?Bar@@YAXABQ8A@@AEXXZ@Z"(i8** noundef nonnull align 4 dereferenceable(4) %[[ref_tmp]])