eliminate CallInst::ArgOffset

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108522 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/BuildLibCalls.cpp b/lib/Transforms/Utils/BuildLibCalls.cpp
index 7a9d007..2a16106 100644
--- a/lib/Transforms/Utils/BuildLibCalls.cpp
+++ b/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -421,7 +421,7 @@
         FT->getParamType(3) != TD->getIntPtrType(Context))
       return false;
 
-    if (isFoldable(3 + CallInst::ArgOffset, 2 + CallInst::ArgOffset, false)) {
+    if (isFoldable(3, 2, false)) {
       EmitMemCpy(CI->getArgOperand(0), CI->getArgOperand(1), CI->getArgOperand(2),
                  1, false, B, TD);
       replaceCall(CI->getArgOperand(0));
@@ -444,7 +444,7 @@
         FT->getParamType(3) != TD->getIntPtrType(Context))
       return false;
 
-    if (isFoldable(3 + CallInst::ArgOffset, 2 + CallInst::ArgOffset, false)) {
+    if (isFoldable(3, 2, false)) {
       EmitMemMove(CI->getArgOperand(0), CI->getArgOperand(1), CI->getArgOperand(2),
                   1, false, B, TD);
       replaceCall(CI->getArgOperand(0));
@@ -462,7 +462,7 @@
         FT->getParamType(3) != TD->getIntPtrType(Context))
       return false;
 
-    if (isFoldable(3 + CallInst::ArgOffset, 2 + CallInst::ArgOffset, false)) {
+    if (isFoldable(3, 2, false)) {
       Value *Val = B.CreateIntCast(CI->getArgOperand(1), B.getInt8Ty(),
                                    false);
       EmitMemSet(CI->getArgOperand(0), Val,  CI->getArgOperand(2), false, B, TD);
@@ -487,7 +487,7 @@
     // st[rp]cpy_chk call which may fail at runtime if the size is too long.
     // TODO: It might be nice to get a maximum length out of the possible
     // string lengths for varying.
-    if (isFoldable(2 + CallInst::ArgOffset, 1 + CallInst::ArgOffset, true)) {
+    if (isFoldable(2, 1, true)) {
       Value *Ret = EmitStrCpy(CI->getArgOperand(0), CI->getArgOperand(1), B, TD,
                               Name.substr(2, 6));
       replaceCall(Ret);
@@ -505,7 +505,7 @@
         FT->getParamType(3) != TD->getIntPtrType(Context))
       return false;
 
-    if (isFoldable(3 + CallInst::ArgOffset, 2 + CallInst::ArgOffset, false)) {
+    if (isFoldable(3, 2, false)) {
       Value *Ret = EmitStrNCpy(CI->getArgOperand(0), CI->getArgOperand(1),
                                CI->getArgOperand(2), B, TD, Name.substr(2, 7));
       replaceCall(Ret);