1 ; RUN: llc < %s 2 3 ; This used to cause a crash. A standard load is converted to a pre-increment 4 ; load. Later the pre-increment load is combined with a subsequent SRL to 5 ; produce a smaller load. This transform invalidly created a standard load 6 ; and propagated the produced value into uses of both produced values of the 7 ; pre-increment load. The result was a crash when attempting to process an 8 ; add with a token-chain operand. 9 10 %struct.Info = type { i32, i32, i8*, i8*, i8*, [32 x i8*], i64, [32 x i64], i64, i64, i64, [32 x i64] } 11 %struct.S1847 = type { [12 x i8], [4 x i8], [8 x i8], [4 x i8], [8 x i8], [2 x i8], i8, [4 x i64], i8, [3 x i8], [4 x i8], i8, i16, [4 x %struct.anon.76], i16, i8, i8* } 12 %struct.anon.76 = type { i32 } 13 @info = common global %struct.Info zeroinitializer, align 8 14 @fails = common global i32 0, align 4 15 @a1847 = external global [5 x %struct.S1847] 16 define void @test1847() nounwind { 17 entry: 18 %j = alloca i32, align 4 19 %0 = load i64* getelementptr inbounds (%struct.Info* @info, i32 0, i32 8), align 8 20 %1 = load i32* @fails, align 4 21 %bf.load1 = load i96* bitcast (%struct.S1847* getelementptr inbounds ([5 x %struct.S1847]* @a1847, i32 0, i64 2) to i96*), align 8 22 %bf.clear2 = and i96 %bf.load1, 302231454903657293676543 23 %bf.set3 = or i96 %bf.clear2, -38383394772764476296921088 24 store i96 %bf.set3, i96* bitcast (%struct.S1847* getelementptr inbounds ([5 x %struct.S1847]* @a1847, i32 0, i64 2) to i96*), align 8 25 %2 = load i32* %j, align 4 26 %3 = load i32* %j, align 4 27 %inc11 = add nsw i32 %3, 1 28 store i32 %inc11, i32* %j, align 4 29 %bf.load15 = load i96* bitcast (%struct.S1847* getelementptr inbounds ([5 x %struct.S1847]* @a1847, i32 0, i64 2) to i96*), align 8 30 %bf.clear16 = and i96 %bf.load15, -18446744069414584321 31 %bf.set17 = or i96 %bf.clear16, 18446743532543672320 32 store i96 %bf.set17, i96* bitcast (%struct.S1847* getelementptr inbounds ([5 x %struct.S1847]* @a1847, i32 0, i64 2) to i96*), align 8 33 ret void 34 } 35
