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the original case only tested overflow when src1 is 1, add the test of
src1 is max(this could trigger signed type uadd.with.overflow results
incorrect, the fail was fixed in backend already, just update the utest.)
Signed-off-by: Luo Xionghu <xionghu.luo@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
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as llvm couldn't recognize the pattern of usub overflow, this usub
with is generated by calling the intrinsic function __builtin_usub_overflow;
also this type of uadd intrinsic funtion couldn't support short/byte type
overflow, we choose another way for the uadd kernel to generate short/byte
overflow.
will send patch to llvm later to fix the 2 issues.
v2: split the patch.
Signed-off-by: Luo Xionghu <xionghu.luo@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
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this case only runs for uadd_with_over_flow function so far.
Signed-off-by: Luo Xionghu <xionghu.luo@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
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