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| author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
|---|---|---|
| committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
| commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
| tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CodeGenCXX/operator-new.cpp | |
| parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
| parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) | |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CodeGenCXX/operator-new.cpp')
| -rw-r--r-- | clang/test/CodeGenCXX/operator-new.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/operator-new.cpp b/clang/test/CodeGenCXX/operator-new.cpp new file mode 100644 index 0000000..db56cda --- /dev/null +++ b/clang/test/CodeGenCXX/operator-new.cpp @@ -0,0 +1,29 @@ +// RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -o %t-1.ll %s +// RUN: FileCheck -check-prefix SANE --input-file=%t-1.ll %s +// RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -fno-assume-sane-operator-new -o %t-2.ll %s +// RUN: FileCheck -check-prefix SANENOT --input-file=%t-2.ll %s + + +class teste { + int A; +public: + teste() : A(2) {} +}; + +void f1() { + // SANE: declare noalias i8* @_Znwj( + // SANENOT: declare i8* @_Znwj( + new teste(); +} + + +// rdar://5739832 - operator new should check for overflow in multiply. +void *f2(long N) { + return new int[N]; + +// SANE: [[UWO:%.*]] = call {{.*}} @llvm.umul.with.overflow +// SANE-NEXT: [[OVER:%.*]] = extractvalue {{.*}} [[UWO]], 1 +// SANE-NEXT: [[SUM:%.*]] = extractvalue {{.*}} [[UWO]], 0 +// SANE-NEXT: [[RESULT:%.*]] = select i1 [[OVER]], i32 -1, i32 [[SUM]] +// SANE-NEXT: call noalias i8* @_Znaj(i32 [[RESULT]]) +} |