6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-03-20 11:32:33 +00:00
Code Issues Projects Releases Wiki Activity

Fix crash with an insertvalue that produces an empty object.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218171 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne 2014-09-20 00:10:47 +00:00
parent 613c7d0b35
commit 87f7e75e58
2 changed files with 13 additions and 0 deletions
lib/CodeGen/SelectionDAG
SelectionDAGBuilder.cpp
test/CodeGen/Generic
empty-insertvalue.ll

6
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

@ -3307,6 +3307,12 @@ void SelectionDAGBuilder::visitInsertValue(const InsertValueInst &I) {
unsigned NumValValues = ValValueVTs.size();
SmallVector<SDValue, 4> Values(NumAggValues);
// Ignore an insertvalue that produces an empty object
if (!NumAggValues) {
setValue(&I, DAG.getUNDEF(MVT(MVT::Other)));
return;
}
SDValue Agg = getValue(Op0);
unsigned i = 0;
// Copy the beginning value(s) from the original aggregate.

7
test/CodeGen/Generic/empty-insertvalue.ll Normal file

@ -0,0 +1,7 @@
; RUN: llc < %s
define void @f() {
entry:
%0 = insertvalue { [0 x { i8*, i8* }], [0 x { i8*, i64 }] } undef, [0 x { i8*, i8* }] undef, 0
ret void
}