Revert "[TwoAddressInstructionPass] Update existing physreg live inte…

…rvals" This reverts commit ec0e1e8. It was pushed by mistake.
llvm · Nov 5, 2021 · 0321bd6 · 0321bd6
1 parent c93bf53
commit 0321bd6
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Showing 4 changed files with 4 additions and 15 deletions.
diff --git a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -1539,23 +1539,15 @@ TwoAddressInstructionPass::processTiedPairs(MachineInstr *MI,
     if (LIS) {
       LastCopyIdx = LIS->InsertMachineInstrInMaps(*PrevMI).getRegSlot();
 
-      SlotIndex endIdx =
-          LIS->getInstructionIndex(*MI).getRegSlot(IsEarlyClobber);
       if (RegA.isVirtual()) {
         LiveInterval &LI = LIS->getInterval(RegA);
         VNInfo *VNI = LI.getNextValue(LastCopyIdx, LIS->getVNInfoAllocator());
-        LI.addSegment(LiveRange::Segment(LastCopyIdx, endIdx, VNI));
+        SlotIndex endIdx =
+            LIS->getInstructionIndex(*MI).getRegSlot(IsEarlyClobber);
+        LI.addSegment(LiveInterval::Segment(LastCopyIdx, endIdx, VNI));
         for (auto &S : LI.subranges()) {
           VNI = S.getNextValue(LastCopyIdx, LIS->getVNInfoAllocator());
-          S.addSegment(LiveRange::Segment(LastCopyIdx, endIdx, VNI));
-        }
-      } else {
-        for (MCRegUnitIterator Unit(RegA, TRI); Unit.isValid(); ++Unit) {
-          if (LiveRange *LR = LIS->getCachedRegUnit(*Unit)) {
-            VNInfo *VNI =
-                LR->getNextValue(LastCopyIdx, LIS->getVNInfoAllocator());
-            LR->addSegment(LiveRange::Segment(LastCopyIdx, endIdx, VNI));
-          }
+          S.addSegment(LiveInterval::Segment(LastCopyIdx, endIdx, VNI));
         }
       }
     }

diff --git a/llvm/test/CodeGen/ARM/inlineasm-operand-implicit-cast.ll b/llvm/test/CodeGen/ARM/inlineasm-operand-implicit-cast.ll
@@ -1,5 +1,4 @@
 ; RUN: llc -mtriple armv7-arm-linux-gnueabihf -O2 -mcpu=cortex-a7 < %s | FileCheck %s
-; RUN: llc -mtriple armv7-arm-linux-gnueabihf -O2 -mcpu=cortex-a7 -early-live-intervals < %s | FileCheck %s
 
 %struct.twofloat = type { float, float }
 %struct.twodouble = type { double, double }

diff --git a/llvm/test/CodeGen/Thumb/emergency-spill-slot.ll b/llvm/test/CodeGen/Thumb/emergency-spill-slot.ll
@@ -1,6 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc < %s | FileCheck %s
-; RUN: llc -early-live-intervals < %s | FileCheck %s
 target triple = "thumbv6m-unknown-unknown-eabi"
 
 define void @vla_emergency_spill(i32 %n) {

diff --git a/llvm/test/CodeGen/X86/inline-asm-A-constraint.ll b/llvm/test/CodeGen/X86/inline-asm-A-constraint.ll
@@ -1,5 +1,4 @@
 ; RUN: llc -mtriple=x86_64-- < %s | FileCheck %s
-; RUN: llc -mtriple=x86_64-- -early-live-intervals < %s | FileCheck %s
 
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64--"