================
@@ -206,9 +211,12 @@ void Rematerializer::reviveRegIfDead(RegisterIdx RootIdx) {
}
void Rematerializer::transferUser(RegisterIdx FromRegIdx, RegisterIdx ToRegIdx,
- MachineInstr &UserMI) {
+ unsigned UserRegion, MachineInstr &UserMI) {
+ assert(getReg(FromRegIdx).Uses.contains(UserRegion) && "no user in region");
+ assert(getReg(FromRegIdx).Uses.at(UserRegion).contains(&UserMI) &&
+ "not a region user");
----------------
lucas-rami wrote:
Thanks for the catch. These asserts are actually redundant with the one in
`Rematerializer::Reg::eraseUser` that is called below (which doesn't do a
double map lookup), so I removed them completely.
https://github.com/llvm/llvm-project/pull/184339
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