[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/R600/select64.ll b/llvm/test/CodeGen/R600/select64.ll
index 0245dae..5cebb30 100644
--- a/llvm/test/CodeGen/R600/select64.ll
+++ b/llvm/test/CodeGen/R600/select64.ll
@@ -42,8 +42,8 @@
 ; CHECK-NOT: v_cndmask_b32
 define void @v_select_trunc_i64_2(i32 addrspace(1)* %out, i32 %cond, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
   %cmp = icmp ugt i32 %cond, 5
-  %a = load i64 addrspace(1)* %aptr, align 8
-  %b = load i64 addrspace(1)* %bptr, align 8
+  %a = load i64, i64 addrspace(1)* %aptr, align 8
+  %b = load i64, i64 addrspace(1)* %bptr, align 8
   %sel = select i1 %cmp, i64 %a, i64 %b
   %trunc = trunc i64 %sel to i32
   store i32 %trunc, i32 addrspace(1)* %out, align 4
@@ -60,8 +60,8 @@
 ; CHECK: s_endpgm
 define void @v_select_i64_split_imm(i64 addrspace(1)* %out, i32 %cond, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
   %cmp = icmp ugt i32 %cond, 5
-  %a = load i64 addrspace(1)* %aptr, align 8
-  %b = load i64 addrspace(1)* %bptr, align 8
+  %a = load i64, i64 addrspace(1)* %aptr, align 8
+  %b = load i64, i64 addrspace(1)* %bptr, align 8
   %sel = select i1 %cmp, i64 %a, i64 270582939648 ; 63 << 32
   store i64 %sel, i64 addrspace(1)* %out, align 8
   ret void