| Simon Dardis | 8ca1cbc | 2016-11-16 11:29:07 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -march=mipsel -mcpu=mips32 -fast-isel -disable-fp-elim -relocation-model=pic < %s |
| 2 | |
| 3 | ; Test that negative array access don't crash constant synthesis when fast isel |
| 4 | ; generates negative offsets. |
| 5 | |
| 6 | define i16 @test() { |
| 7 | %a = alloca [4 x i16], align 4 |
| 8 | %arrayidx = getelementptr inbounds [4 x i16], [4 x i16]* %a, i32 0, i32 -2 |
| 9 | %b = load i16, i16* %arrayidx, align 2 |
| 10 | ret i16 %b |
| 11 | } |
| 12 | |
| 13 | define void @test2() { |
| 14 | %a = alloca [4 x i16], align 4 |
| 15 | %arrayidx = getelementptr inbounds [4 x i16], [4 x i16]* %a, i32 0, i32 -2 |
| 16 | store i16 2, i16* %arrayidx, align 2 |
| 17 | ret void |
| 18 | } |