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Before this patch, pass AddDiscriminators always avoided to assign discriminators to intrinsic calls. This was done mainly for two reasons: 1) We wanted to minimize the number of based discriminators used. 2) We wanted to avoid non-deterministic discriminator assignment for different debug levels. Unfortunately, that approach was problematic for MemIntrinsic calls. MemIntrinsic calls can be split by SROA into loads and stores, and each new load/store instruction would obtain the debug location from the original intrinsic call. If we don't assign a discriminator to MemIntrinsic calls, then we cannot correctly set the discriminator for the newly created loads and stores. This may have a negative impact on the basic block weight computation performed by the SampleLoader. This patch fixes the issue by letting MemIntrinsic calls have a discriminator. Differential Revision: https://reviews.llvm.org/D31900 llvm-svn: 299972 |
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basic.ll | ||
call-nested.ll | ||
call.ll | ||
dbg-declare-discriminator.ll | ||
diamond.ll | ||
first-only.ll | ||
inlined.ll | ||
memcpy-discriminator.ll | ||
multiple.ll | ||
no-discriminators.ll | ||
oneline.ll |