commit 53b54be5fcbc396c95939ad6069f35700d455713
author John Criswell <criswell@uiuc.edu> Wed Apr 14 21:27:56 2004 +0000
committer John Criswell <criswell@uiuc.edu> Wed Apr 14 21:27:56 2004 +0000
tree 885d89b7a4a69806f6db55b290ca0519c1d245f9
parent 8121fcd260ef4eac7825b29c200137af37f499b2

Remove code to adjust the iterator for llvm.readio and llvm.writeio.
The iterator is pointing at the next instruction which should not disappear
when doing the load/store replacement.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12954 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/InstSelectSimple.cpp

diff --git a/lib/Target/X86/InstSelectSimple.cpp b/lib/Target/X86/InstSelectSimple.cpp
index 18b595f..0715e20 100644
--- a/lib/Target/X86/InstSelectSimple.cpp
+++ b/lib/Target/X86/InstSelectSimple.cpp
@@ -1548,11 +1548,6 @@
             LoadInst * LI = new LoadInst (CI->getOperand(1), "", true, CI);
             CI->replaceAllUsesWith (LI);
             BB->getInstList().erase (CI);
-            if (Before) {        // Move iterator to instruction after call
-              I = Before;  ++I;
-            } else {
-              I = BB->begin();
-            }
             break;
           }
           case Intrinsic::writeio: {
@@ -1563,11 +1558,6 @@
                                             CI->getOperand(2), true, CI);
             CI->replaceAllUsesWith (LI);
             BB->getInstList().erase (CI);
-            if (Before) {        // Move iterator to instruction after call
-              I = Before;  ++I;
-            } else {
-              I = BB->begin();
-            }
             break;
           }
           default:

lib/Target/X86/X86ISelSimple.cpp

diff --git a/lib/Target/X86/X86ISelSimple.cpp b/lib/Target/X86/X86ISelSimple.cpp
index 18b595f..0715e20 100644
--- a/lib/Target/X86/X86ISelSimple.cpp
+++ b/lib/Target/X86/X86ISelSimple.cpp
@@ -1548,11 +1548,6 @@
             LoadInst * LI = new LoadInst (CI->getOperand(1), "", true, CI);
             CI->replaceAllUsesWith (LI);
             BB->getInstList().erase (CI);
-            if (Before) {        // Move iterator to instruction after call
-              I = Before;  ++I;
-            } else {
-              I = BB->begin();
-            }
             break;
           }
           case Intrinsic::writeio: {
@@ -1563,11 +1558,6 @@
                                             CI->getOperand(2), true, CI);
             CI->replaceAllUsesWith (LI);
             BB->getInstList().erase (CI);
-            if (Before) {        // Move iterator to instruction after call
-              I = Before;  ++I;
-            } else {
-              I = BB->begin();
-            }
             break;
           }
           default: