[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/SystemZ/int-sub-03.ll b/llvm/test/CodeGen/SystemZ/int-sub-03.ll
index 3bb3265..9d51006 100644
--- a/llvm/test/CodeGen/SystemZ/int-sub-03.ll
+++ b/llvm/test/CodeGen/SystemZ/int-sub-03.ll
@@ -19,7 +19,7 @@
 ; CHECK-LABEL: f2:
 ; CHECK: slgf %r2, 0(%r3)
 ; CHECK: br %r14
-  %b = load i32 *%src
+  %b = load i32 , i32 *%src
   %bext = zext i32 %b to i64
   %sub = sub i64 %a, %bext
   ret i64 %sub
@@ -31,7 +31,7 @@
 ; CHECK: slgf %r2, 524284(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i32, i32 *%src, i64 131071
-  %b = load i32 *%ptr
+  %b = load i32 , i32 *%ptr
   %bext = zext i32 %b to i64
   %sub = sub i64 %a, %bext
   ret i64 %sub
@@ -45,7 +45,7 @@
 ; CHECK: slgf %r2, 0(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i32, i32 *%src, i64 131072
-  %b = load i32 *%ptr
+  %b = load i32 , i32 *%ptr
   %bext = zext i32 %b to i64
   %sub = sub i64 %a, %bext
   ret i64 %sub
@@ -57,7 +57,7 @@
 ; CHECK: slgf %r2, -4(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i32, i32 *%src, i64 -1
-  %b = load i32 *%ptr
+  %b = load i32 , i32 *%ptr
   %bext = zext i32 %b to i64
   %sub = sub i64 %a, %bext
   ret i64 %sub
@@ -69,7 +69,7 @@
 ; CHECK: slgf %r2, -524288(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i32, i32 *%src, i64 -131072
-  %b = load i32 *%ptr
+  %b = load i32 , i32 *%ptr
   %bext = zext i32 %b to i64
   %sub = sub i64 %a, %bext
   ret i64 %sub
@@ -83,7 +83,7 @@
 ; CHECK: slgf %r2, 0(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i32, i32 *%src, i64 -131073
-  %b = load i32 *%ptr
+  %b = load i32 , i32 *%ptr
   %bext = zext i32 %b to i64
   %sub = sub i64 %a, %bext
   ret i64 %sub
@@ -97,7 +97,7 @@
   %add1 = add i64 %src, %index
   %add2 = add i64 %add1, 524284
   %ptr = inttoptr i64 %add2 to i32 *
-  %b = load i32 *%ptr
+  %b = load i32 , i32 *%ptr
   %bext = zext i32 %b to i64
   %sub = sub i64 %a, %bext
   ret i64 %sub
@@ -119,16 +119,16 @@
   %ptr8 = getelementptr i32, i32 *%ptr0, i64 16
   %ptr9 = getelementptr i32, i32 *%ptr0, i64 18
 
-  %val0 = load i32 *%ptr0
-  %val1 = load i32 *%ptr1
-  %val2 = load i32 *%ptr2
-  %val3 = load i32 *%ptr3
-  %val4 = load i32 *%ptr4
-  %val5 = load i32 *%ptr5
-  %val6 = load i32 *%ptr6
-  %val7 = load i32 *%ptr7
-  %val8 = load i32 *%ptr8
-  %val9 = load i32 *%ptr9
+  %val0 = load i32 , i32 *%ptr0
+  %val1 = load i32 , i32 *%ptr1
+  %val2 = load i32 , i32 *%ptr2
+  %val3 = load i32 , i32 *%ptr3
+  %val4 = load i32 , i32 *%ptr4
+  %val5 = load i32 , i32 *%ptr5
+  %val6 = load i32 , i32 *%ptr6
+  %val7 = load i32 , i32 *%ptr7
+  %val8 = load i32 , i32 *%ptr8
+  %val9 = load i32 , i32 *%ptr9
 
   %frob0 = add i32 %val0, 100
   %frob1 = add i32 %val1, 100