RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2025-04-03 05:41:42 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add back a couple checks removed by r129128; the fact that an intitializer

Browse Source 
is an array of structures doesn't imply it's a ConstantArray of
ConstantStruct.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129207 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-04-09 09:11:09 +00:00
parent f5bf464b70
commit 18a2e50a9b
2 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
lib/Transforms/IPO/GlobalOpt.cpp
View File

@ -1954,11 +1954,13 @@ GlobalVariable *GlobalOpt::FindGlobalCtors(Module &M) {
// only allowed to optimize the initializer if it is unique.
if (!GV->hasUniqueInitializer()) return 0;
ConstantArray *CA = cast<ConstantArray>(GV->getInitializer());
ConstantArray *CA = dyn_cast<ConstantArray>(GV->getInitializer());
if (!CA) return 0;
for (User::op_iterator i = CA->op_begin(), e = CA->op_end(); i != e; ++i) {
ConstantStruct *CS = cast<ConstantStruct>(*i);
ConstantStruct *CS = dyn_cast<ConstantStruct>(*i);
if (!CS) return 0;
if (isa<ConstantPointerNull>(CS->getOperand(1)))
continue;

5
test/Transforms/GlobalOpt/2011-04-09-EmptyGlobalCtors.ll Normal file
View File

@ -0,0 +1,5 @@
; RUN: opt < %s -globalopt -disable-output
%0 = type { i32, void ()* }
@llvm.global_ctors = appending global [0 x %0] zeroinitializer