[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/ExecutionEngine/MCJIT/remote/test-fp-no-external-funcs-remote.ll b/llvm/test/ExecutionEngine/MCJIT/remote/test-fp-no-external-funcs-remote.ll
index 9d11415..6134b8b 100644
--- a/llvm/test/ExecutionEngine/MCJIT/remote/test-fp-no-external-funcs-remote.ll
+++ b/llvm/test/ExecutionEngine/MCJIT/remote/test-fp-no-external-funcs-remote.ll
@@ -1,7 +1,7 @@
 ; RUN: %lli -remote-mcjit -mcjit-remote-process=lli-child-target%exeext %s > /dev/null
 
 define double @test(double* %DP, double %Arg) nounwind {
-	%D = load double* %DP		; <double> [#uses=1]
+	%D = load double, double* %DP		; <double> [#uses=1]
 	%V = fadd double %D, 1.000000e+00		; <double> [#uses=2]
 	%W = fsub double %V, %V		; <double> [#uses=3]
 	%X = fmul double %W, %W		; <double> [#uses=2]