mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 19:23:23 +01:00
78bcdd73d3
This change fixes a bug in SelectionDAGBuilder::visitInsertValue and SelectionDAGBuilder::visitExtractValue where constant expressions (InsertValueConstantExpr and ExtractValueConstantExpr) would be treated as non-constant instructions (InsertValueInst and ExtractValueInst). This bug resulted in an incorrect memory access, which manifested as an assertion failure in SDValue::SDValue. Fixes PR#33094. Submitted on behalf of @Praetonus (Benoit Vey) Differential Revision: https://reviews.llvm.org/D34538 llvm-svn: 307502
19 lines
469 B
LLVM
19 lines
469 B
LLVM
; RUN: llc < %s
|
|
|
|
; PR33094
|
|
; Make sure that a constant extractvalue doesn't cause a crash in
|
|
; SelectionDAGBuilder::visitExtractValue.
|
|
|
|
%A = type {}
|
|
%B = type {}
|
|
%Tuple = type { i64 }
|
|
|
|
@A_Inst = global %A zeroinitializer
|
|
@B_Inst = global %B zeroinitializer
|
|
|
|
define i64 @foo() {
|
|
ret i64 extractvalue (%Tuple select (i1 icmp eq
|
|
(%B* bitcast (%A* @A_Inst to %B*), %B* @B_Inst),
|
|
%Tuple { i64 33 }, %Tuple { i64 42 }), 0)
|
|
}
|