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BackendX64/RegAlloc: Correct UseDefRegsiter behaviour for last use

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This commit is contained in:
MerryMage 2016-08-05 15:24:25 +01:00
parent b4aa01ccf4
commit 2b025183a2
1 changed files with 1 additions and 1 deletions
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src/backend_x64/reg_alloc.cpp
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@ -92,7 +92,7 @@ Gen::X64Reg RegAlloc::UseDefRegister(IR::Inst* use_inst, IR::Inst* def_inst, Hos
if (IsLastUse(use_inst)) { if (IsLastUse(use_inst)) {
HostLoc current_location = *ValueLocation(use_inst); HostLoc current_location = *ValueLocation(use_inst);
auto& loc_info = LocInfo(current_location); auto& loc_info = LocInfo(current_location);
if (!loc_info.IsIdle()) { if (loc_info.IsIdle()) {
loc_info.is_being_used = true; loc_info.is_being_used = true;
loc_info.def = def_inst; loc_info.def = def_inst;
DEBUG_ASSERT(loc_info.IsUseDef()); DEBUG_ASSERT(loc_info.IsUseDef());