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223e47cc LB |
1 | //===---------------------------------------------------------------------===// |
2 | // Testcases that crash the X86 backend because they aren't implemented | |
3 | //===---------------------------------------------------------------------===// | |
4 | ||
5 | These are cases we know the X86 backend doesn't handle. Patches are welcome | |
6 | and appreciated, because no one has signed up to implemented these yet. | |
7 | Implementing these would allow elimination of the corresponding intrinsics, | |
8 | which would be great. | |
9 | ||
10 | 1) vector shifts | |
11 | 2) vector comparisons | |
12 | 3) vector fp<->int conversions: PR2683, PR2684, PR2685, PR2686, PR2688 | |
13 | 4) bitcasts from vectors to scalars: PR2804 | |
14 | 5) llvm.atomic.cmp.swap.i128.p0i128: PR3462 |