From 1b63dc54b07d50f328d346e4fde61f4ebc915916 Mon Sep 17 00:00:00 2001
From: Adrian Prantl <aprantl@apple.com>
Date: Fri, 28 Jul 2017 22:36:55 +0000
Subject: Remove the unused DBG_VALUE offset parameter from RegAllocFast (NFC)

Followup to r309426.
rdar://problem/33580047

llvm-svn: 309446
---
 llvm/lib/CodeGen/RegAllocFast.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/CodeGen/RegAllocFast.cpp')

diff --git a/llvm/lib/CodeGen/RegAllocFast.cpp b/llvm/lib/CodeGen/RegAllocFast.cpp
index d5538be4bba..fd6c2877667 100644
--- a/llvm/lib/CodeGen/RegAllocFast.cpp
+++ b/llvm/lib/CodeGen/RegAllocFast.cpp
@@ -879,7 +879,9 @@ void RAFast::AllocateBasicBlock() {
             else {
               // Modify DBG_VALUE now that the value is in a spill slot.
               bool IsIndirect = MI->isIndirectDebugValue();
-              uint64_t Offset = IsIndirect ? MI->getOperand(1).getImm() : 0;
+              if (IsIndirect)
+                assert(MI->getOperand(1).getImm() == 0 &&
+                       "DBG_VALUE with nonzero offset");
               const MDNode *Var = MI->getDebugVariable();
               const MDNode *Expr = MI->getDebugExpression();
               DebugLoc DL = MI->getDebugLoc();
@@ -890,7 +892,7 @@ void RAFast::AllocateBasicBlock() {
               MachineInstr *NewDV = BuildMI(*MBB, MBB->erase(MI), DL,
                                             TII->get(TargetOpcode::DBG_VALUE))
                                         .addFrameIndex(SS)
-                                        .addImm(Offset)
+                                        .addImm(0U)
                                         .addMetadata(Var)
                                         .addMetadata(Expr);
               DEBUG(dbgs() << "Modifying debug info due to spill:"
-- 
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