[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

Essentially the same as the GEP change in r230786.

A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)

import fileinput
import sys
import re

pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")

for line in sys.stdin:
  sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))

Reviewers: rafael, dexonsmith, grosser

Differential Revision: http://reviews.llvm.org/D7649

llvm-svn: 230794
diff --git a/llvm/test/CodeGen/X86/commute-intrinsic.ll b/llvm/test/CodeGen/X86/commute-intrinsic.ll
index 7d5ca47..ff9049c 100644
--- a/llvm/test/CodeGen/X86/commute-intrinsic.ll
+++ b/llvm/test/CodeGen/X86/commute-intrinsic.ll
@@ -6,7 +6,7 @@
 
 define <2 x i64> @madd(<2 x i64> %b) nounwind  {
 entry:
-	%tmp2 = load <2 x i64>* @a, align 16		; <<2 x i64>> [#uses=1]
+	%tmp2 = load <2 x i64>, <2 x i64>* @a, align 16		; <<2 x i64>> [#uses=1]
 	%tmp6 = bitcast <2 x i64> %b to <8 x i16>		; <<8 x i16>> [#uses=1]
 	%tmp9 = bitcast <2 x i64> %tmp2 to <8 x i16>		; <<8 x i16>> [#uses=1]
 	%tmp11 = tail call <4 x i32> @llvm.x86.sse2.pmadd.wd( <8 x i16> %tmp9, <8 x i16> %tmp6 ) nounwind readnone 		; <<4 x i32>> [#uses=1]