aboutsummaryrefslogtreecommitdiff
path: root/backend/lib/CodeGen/MachineCSE.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'backend/lib/CodeGen/MachineCSE.cpp')
-rw-r--r--backend/lib/CodeGen/MachineCSE.cpp21
1 files changed, 1 insertions, 20 deletions
diff --git a/backend/lib/CodeGen/MachineCSE.cpp b/backend/lib/CodeGen/MachineCSE.cpp
index 50dca0e..7bd5a22 100644
--- a/backend/lib/CodeGen/MachineCSE.cpp
+++ b/backend/lib/CodeGen/MachineCSE.cpp
@@ -7,7 +7,6 @@
#include "rcc/CodeGen/MachineAnalyses.h"
#include "rcc/CodeGen/MachineBasicBlock.h"
#include "rcc/CodeGen/MachineFunction.h"
-#include "rcc/CodeGen/MachineFunctionCloner.h"
#include "rcc/CodeGen/MachineInstr.h"
#include "rcc/CodeGen/MachineMemOperand.h"
#include "rcc/CodeGen/MachineOperand.h"
@@ -16,7 +15,6 @@
#include <cstddef>
#include <cstdint>
-#include <optional>
#include <string>
#include <unordered_map>
#include <unordered_set>
@@ -293,24 +291,7 @@ const MachinePassContract &MachineCSEPass::contract() const noexcept {
Expected<MachinePassResult> MachineCSEPass::run(MachineFunction &Function,
const TargetDescription &Target,
MachineFunctionAnalysisManager &Analyses) {
- auto Trial = cloneMachineFunction(
- Function, Target,
- MachineFunctionCloneOptions{.NewStableID = Function.stableID(), .NewName = std::nullopt});
- if (!Trial) {
- return std::unexpected(
- withErrorContext(Trial.error(), "machine CSE transaction setup failed: "));
- }
- MachineFunctionAnalysisManager TrialAnalyses;
- auto TrialResult = runImplementation(*Trial->ClonedFunction, Target, TrialAnalyses);
- if (!TrialResult)
- return std::unexpected(TrialResult.error());
-
- auto Result = runImplementation(Function, Target, Analyses);
- if (!Result) {
- return std::unexpected(withErrorContext(
- Result.error(), "machine CSE diverged after a successful transaction preflight: "));
- }
- return Result;
+ return runImplementation(Function, Target, Analyses);
}
Expected<MachinePassResult>