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7584ef766a
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
429 B
C++
14 lines
429 B
C++
// RUN: %clang_cc1 -emit-llvm -triple x86_64-linux-gnu -std=c++11 -o - %s | FileCheck %s
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using size_t = decltype(sizeof(0));
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extern "C" char *something(long long x) {
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}
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// CHECK: @_Znwm ={{.*}} alias i8* (i64), i8* (i64)* @something
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void *operator new(size_t) __attribute__((alias("something")));
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// PR16715: don't assert here.
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// CHECK: call noalias noundef nonnull i8* @_Znwm(i64 noundef 4) #3{{$}}
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int *pr16715 = new int;
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