[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/add.ll b/llvm/test/CodeGen/R600/add.ll
index ca95af3..7027161 100644
--- a/llvm/test/CodeGen/R600/add.ll
+++ b/llvm/test/CodeGen/R600/add.ll
@@ -10,8 +10,8 @@
 ;SI: buffer_store_dword [[REG]],
 define void @test1(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
   %b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
-  %a = load i32 addrspace(1)* %in
-  %b = load i32 addrspace(1)* %b_ptr
+  %a = load i32, i32 addrspace(1)* %in
+  %b = load i32, i32 addrspace(1)* %b_ptr
   %result = add i32 %a, %b
   store i32 %result, i32 addrspace(1)* %out
   ret void
@@ -26,8 +26,8 @@
 
 define void @test2(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in) {
   %b_ptr = getelementptr <2 x i32>, <2 x i32> addrspace(1)* %in, i32 1
-  %a = load <2 x i32> addrspace(1)* %in
-  %b = load <2 x i32> addrspace(1)* %b_ptr
+  %a = load <2 x i32>, <2 x i32> addrspace(1)* %in
+  %b = load <2 x i32>, <2 x i32> addrspace(1)* %b_ptr
   %result = add <2 x i32> %a, %b
   store <2 x i32> %result, <2 x i32> addrspace(1)* %out
   ret void
@@ -46,8 +46,8 @@
 
 define void @test4(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
   %b_ptr = getelementptr <4 x i32>, <4 x i32> addrspace(1)* %in, i32 1
-  %a = load <4 x i32> addrspace(1)* %in
-  %b = load <4 x i32> addrspace(1)* %b_ptr
+  %a = load <4 x i32>, <4 x i32> addrspace(1)* %in
+  %b = load <4 x i32>, <4 x i32> addrspace(1)* %b_ptr
   %result = add <4 x i32> %a, %b
   store <4 x i32> %result, <4 x i32> addrspace(1)* %out
   ret void
@@ -136,7 +136,7 @@
 ; SI-NOT: v_addc_u32_e32 s
 define void @add64_sgpr_vgpr(i64 addrspace(1)* %out, i64 %a, i64 addrspace(1)* %in) {
 entry:
-  %0 = load i64 addrspace(1)* %in
+  %0 = load i64, i64 addrspace(1)* %in
   %1 = add i64 %a, %0
   store i64 %1, i64 addrspace(1)* %out
   ret void
@@ -152,7 +152,7 @@
   br i1 %0, label %if, label %else
 
 if:
-  %1 = load i64 addrspace(1)* %in
+  %1 = load i64, i64 addrspace(1)* %in
   br label %endif
 
 else: