[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/Generic/fp-to-int-invalid.ll b/llvm/test/CodeGen/Generic/fp-to-int-invalid.ll
index cdcc3a2..6a37660 100644
--- a/llvm/test/CodeGen/Generic/fp-to-int-invalid.ll
+++ b/llvm/test/CodeGen/Generic/fp-to-int-invalid.ll
@@ -7,9 +7,9 @@
 	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
 	store i8* %result, i8** %result_addr
 	store float 0x40B2AFA160000000, float* %test, align 4
-	%0 = load float* %test, align 4		; <float> [#uses=1]
+	%0 = load float, float* %test, align 4		; <float> [#uses=1]
 	%1 = fptosi float %0 to i8		; <i8> [#uses=1]
-	%2 = load i8** %result_addr, align 4		; <i8*> [#uses=1]
+	%2 = load i8*, i8** %result_addr, align 4		; <i8*> [#uses=1]
 	store i8 %1, i8* %2, align 1
 	br label %return