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| author | Reid Kleckner <reid@kleckner.net> | 2014-12-03 21:00:21 +0000 |
|---|---|---|
| committer | Reid Kleckner <reid@kleckner.net> | 2014-12-03 21:00:21 +0000 |
| commit | 8d58513da49ce3636afb3b6921dccd377b892ae5 (patch) | |
| tree | 9200b83942772063268716df8fbaef6e653540cf /clang/test/CodeGenCXX/constructor-init.cpp | |
| parent | 1780d82f35cf8cbb78cca779c24c7bd36564b67e (diff) | |
| download | bcm5719-llvm-8d58513da49ce3636afb3b6921dccd377b892ae5.tar.gz bcm5719-llvm-8d58513da49ce3636afb3b6921dccd377b892ae5.zip | |
Cast vtable address points to i32 (...)** to enable more globalopt
We currently use i32 (...)** as the type of the vptr field in the LLVM
struct type. LLVM's GlobalOpt prefers any bitcasts to be on the side of
the data being stored rather than on the pointer being stored to.
Reviewers: majnemer
Differential Revision: http://reviews.llvm.org/D5916
llvm-svn: 223267
Diffstat (limited to 'clang/test/CodeGenCXX/constructor-init.cpp')
| -rw-r--r-- | clang/test/CodeGenCXX/constructor-init.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/clang/test/CodeGenCXX/constructor-init.cpp b/clang/test/CodeGenCXX/constructor-init.cpp index a8f483e53ab..9d029a3696b 100644 --- a/clang/test/CodeGenCXX/constructor-init.cpp +++ b/clang/test/CodeGenCXX/constructor-init.cpp @@ -94,23 +94,23 @@ namespace InitVTable { }; // CHECK-LABEL: define void @_ZN10InitVTable1BC2Ev(%"struct.InitVTable::B"* %this) unnamed_addr - // CHECK: [[T0:%.*]] = bitcast [[B:%.*]]* [[THIS:%.*]] to i8*** - // CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]] + // CHECK: [[T0:%.*]] = bitcast [[B:%.*]]* [[THIS:%.*]] to i32 (...)*** + // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2) to i32 (...)**), i32 (...)*** [[T0]] // CHECK: [[VTBL:%.*]] = load i32 ([[B]]*)*** {{%.*}} // CHECK-NEXT: [[FNP:%.*]] = getelementptr inbounds i32 ([[B]]*)** [[VTBL]], i64 0 // CHECK-NEXT: [[FN:%.*]] = load i32 ([[B]]*)** [[FNP]] // CHECK-NEXT: [[ARG:%.*]] = call i32 [[FN]]([[B]]* [[THIS]]) // CHECK-NEXT: call void @_ZN10InitVTable1AC2Ei({{.*}}* {{%.*}}, i32 [[ARG]]) - // CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* [[THIS]] to i8*** - // CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]] + // CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* [[THIS]] to i32 (...)*** + // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2) to i32 (...)**), i32 (...)*** [[T0]] // CHECK-NEXT: ret void B::B() : A(foo()) {} // CHECK-LABEL: define void @_ZN10InitVTable1BC2Ei(%"struct.InitVTable::B"* %this, i32 %x) unnamed_addr // CHECK: [[ARG:%.*]] = add nsw i32 {{%.*}}, 5 // CHECK-NEXT: call void @_ZN10InitVTable1AC2Ei({{.*}}* {{%.*}}, i32 [[ARG]]) - // CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* {{%.*}} to i8*** - // CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]] + // CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* {{%.*}} to i32 (...)*** + // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2) to i32 (...)**), i32 (...)*** [[T0]] // CHECK-NEXT: ret void B::B(int x) : A(x + 5) {} } |
