e0ac46e69d
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d. This commit wasn't reviewed ahead of time and significant concerns were raised immediately after it landed. According to our developer policy this warrants immediate revert of the commit. https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy Differential Revision: https://reviews.llvm.org/D155509
30 lines
1.0 KiB
C++
30 lines
1.0 KiB
C++
// RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -o %t-1.ll %s
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// RUN: FileCheck --check-prefix=ALL -check-prefix SANE --input-file=%t-1.ll %s
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// RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -fno-assume-sane-operator-new -o %t-2.ll %s
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// RUN: FileCheck --check-prefix=ALL -check-prefix SANENOT --input-file=%t-2.ll %s
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class teste {
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int A;
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public:
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teste() : A(2) {}
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};
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void f1() {
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// ALL: declare noundef nonnull ptr @_Znwj(
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new teste();
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}
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// rdar://5739832 - operator new should check for overflow in multiply.
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void *f2(long N) {
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return new int[N];
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// ALL: [[UWO:%.*]] = call {{.*}} @llvm.umul.with.overflow
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// ALL-NEXT: [[OVER:%.*]] = extractvalue {{.*}} [[UWO]], 1
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// ALL-NEXT: [[SUM:%.*]] = extractvalue {{.*}} [[UWO]], 0
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// ALL-NEXT: [[RESULT:%.*]] = select i1 [[OVER]], i32 -1, i32 [[SUM]]
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// SANE-NEXT: call noalias noundef nonnull ptr @_Znaj(i32 noundef [[RESULT]])
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// SANENOT-NEXT: call noundef nonnull ptr @_Znaj(i32 noundef [[RESULT]])
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}
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// ALL: declare noundef nonnull ptr @_Znaj(
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