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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
16 lines
439 B
C++
16 lines
439 B
C++
// RUN: %clang_cc1 -x c++ -triple x86_64-pc-linux-gnu -emit-llvm < %s | FileCheck %s
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struct A { A(int); ~A(); };
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int f(const A &);
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// CHECK: call void @_ZN1AC1Ei
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// CHECK-NEXT: call noundef i32 @_Z1fRK1A
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// CHECK-NEXT: call void @_ZN1AD1Ev
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// CHECK: call void @_ZN1AC1Ei
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// CHECK-NEXT: call noundef i32 @_Z1fRK1A
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// CHECK-NEXT: call void @_ZN1AD1Ev
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template<typename T> void g() {
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int a[f(3)];
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int b[f(3)];
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}
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int main() { g<int>(); }
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