[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/AArch64/bitfield-insert-0.ll b/llvm/test/CodeGen/AArch64/bitfield-insert-0.ll
index da0ed8a..21f3895 100644
--- a/llvm/test/CodeGen/AArch64/bitfield-insert-0.ll
+++ b/llvm/test/CodeGen/AArch64/bitfield-insert-0.ll
@@ -6,10 +6,10 @@
 define void @test_bfi0(i32* %existing, i32* %new) {
 ; CHECK: bfxil {{w[0-9]+}}, {{w[0-9]+}}, #0, #18
 
-  %oldval = load volatile i32* %existing
+  %oldval = load volatile i32, i32* %existing
   %oldval_keep = and i32 %oldval, 4294705152 ; 0xfffc_0000
 
-  %newval = load volatile i32* %new
+  %newval = load volatile i32, i32* %new
   %newval_masked = and i32 %newval, 262143 ; = 0x0003_ffff
 
   %combined = or i32 %newval_masked, %oldval_keep