diff options
Diffstat (limited to 'llvm/test/Transforms/WholeProgramDevirt/bad-read-from-vtable.ll')
-rw-r--r-- | llvm/test/Transforms/WholeProgramDevirt/bad-read-from-vtable.ll | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/llvm/test/Transforms/WholeProgramDevirt/bad-read-from-vtable.ll b/llvm/test/Transforms/WholeProgramDevirt/bad-read-from-vtable.ll deleted file mode 100644 index e5d0e74b22e..00000000000 --- a/llvm/test/Transforms/WholeProgramDevirt/bad-read-from-vtable.ll +++ /dev/null @@ -1,81 +0,0 @@ -; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s - -target datalayout = "e-p:64:64" -target triple = "x86_64-unknown-linux-gnu" - -@vt1 = constant [2 x i8*] [i8* zeroinitializer, i8* bitcast (void (i8*)* @vf to i8*)], !type !0 -@vt2 = constant i8* bitcast (void (i8*)* @vf to i8*), !type !1 - -define void @vf(i8* %this) { - ret void -} - -; CHECK: define void @unaligned1 -define void @unaligned1(i8* %obj) { - %vtableptr = bitcast i8* %obj to [1 x i8*]** - %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr - %vtablei8 = bitcast [1 x i8*]* %vtable to i8* - %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid") - call void @llvm.assume(i1 %p) - %fptrptr = getelementptr i8, i8* %vtablei8, i32 1 - %fptrptr_casted = bitcast i8* %fptrptr to i8** - %fptr = load i8*, i8** %fptrptr_casted - %fptr_casted = bitcast i8* %fptr to void (i8*)* - ; CHECK: call void % - call void %fptr_casted(i8* %obj) - ret void -} - -; CHECK: define void @unaligned2 -define void @unaligned2(i8* %obj) { - %vtableptr = bitcast i8* %obj to [1 x i8*]** - %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr - %vtablei8 = bitcast [1 x i8*]* %vtable to i8* - %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid2") - call void @llvm.assume(i1 %p) - %fptrptr = getelementptr i8, i8* %vtablei8, i32 1 - %fptrptr_casted = bitcast i8* %fptrptr to i8** - %fptr = load i8*, i8** %fptrptr_casted - %fptr_casted = bitcast i8* %fptr to void (i8*)* - ; CHECK: call void % - call void %fptr_casted(i8* %obj) - ret void -} - -; CHECK: define void @outofbounds -define void @outofbounds(i8* %obj) { - %vtableptr = bitcast i8* %obj to [1 x i8*]** - %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr - %vtablei8 = bitcast [1 x i8*]* %vtable to i8* - %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid") - call void @llvm.assume(i1 %p) - %fptrptr = getelementptr i8, i8* %vtablei8, i32 16 - %fptrptr_casted = bitcast i8* %fptrptr to i8** - %fptr = load i8*, i8** %fptrptr_casted - %fptr_casted = bitcast i8* %fptr to void (i8*)* - ; CHECK: call void % - call void %fptr_casted(i8* %obj) - ret void -} - -; CHECK: define void @nonfunction -define void @nonfunction(i8* %obj) { - %vtableptr = bitcast i8* %obj to [1 x i8*]** - %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr - %vtablei8 = bitcast [1 x i8*]* %vtable to i8* - %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid") - call void @llvm.assume(i1 %p) - %fptrptr = getelementptr i8, i8* %vtablei8, i32 0 - %fptrptr_casted = bitcast i8* %fptrptr to i8** - %fptr = load i8*, i8** %fptrptr_casted - %fptr_casted = bitcast i8* %fptr to void (i8*)* - ; CHECK: call void % - call void %fptr_casted(i8* %obj) - ret void -} - -declare i1 @llvm.type.test(i8*, metadata) -declare void @llvm.assume(i1) - -!0 = !{i32 0, !"typeid"} -!1 = !{i32 0, !"typeid2"} |