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
928 B
C++
17 lines
928 B
C++
// RUN: %clang_cc1 -emit-llvm -triple x86_64-linux-gnu -fnew-infallible -o - %s | FileCheck %s
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// RUN: %clang_cc1 -emit-llvm -triple x86_64-linux-gnu -fno-new-infallible -fnew-infallible -o - %s | FileCheck %s
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// RUN: %clang_cc1 -emit-llvm -triple x86_64-linux-gnu -fno-new-infallible -o - %s | FileCheck %s --check-prefix=NO-NEW-INFALLIBLE
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// RUN: %clang_cc1 -emit-llvm -triple x86_64-linux-gnu -fnew-infallible -fno-new-infallible -o - %s | FileCheck %s --check-prefix=NO-NEW-INFALLIBLE
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// CHECK: call noalias noundef nonnull i8* @_Znwm(i64 noundef 4)
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// CHECK: ; Function Attrs: nobuiltin nounwind allocsize(0)
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// CHECK-NEXT: declare noundef nonnull i8* @_Znwm(i64 noundef)
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// NO-NEW-INFALLIBLE: call noalias noundef nonnull i8* @_Znwm(i64 noundef 4)
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// NO-NEW-INFALLIBLE: ; Function Attrs: nobuiltin allocsize(0)
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// NO-NEW-INFALLIBLE-NEXT: declare noundef nonnull i8* @_Znwm(i64 noundef)
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int *new_infallible = new int;
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