[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-add-12.ll b/llvm/test/CodeGen/SystemZ/int-add-12.ll
index bc0223d..496650f4 100644
--- a/llvm/test/CodeGen/SystemZ/int-add-12.ll
+++ b/llvm/test/CodeGen/SystemZ/int-add-12.ll
@@ -7,7 +7,7 @@
 ; CHECK-LABEL: f1:
 ; CHECK: agsi 0(%r2), 1
 ; CHECK: br %r14
-  %val = load i64 *%ptr
+  %val = load i64 , i64 *%ptr
   %add = add i64 %val, 127
   store i64 %add, i64 *%ptr
   ret void
@@ -18,7 +18,7 @@
 ; CHECK-LABEL: f2:
 ; CHECK: agsi 0(%r2), 127
 ; CHECK: br %r14
-  %val = load i64 *%ptr
+  %val = load i64 , i64 *%ptr
   %add = add i64 %val, 127
   store i64 %add, i64 *%ptr
   ret void
@@ -31,7 +31,7 @@
 ; CHECK-NOT: agsi
 ; CHECK: stg %r0, 0(%r2)
 ; CHECK: br %r14
-  %val = load i64 *%ptr
+  %val = load i64 , i64 *%ptr
   %add = add i64 %val, 128
   store i64 %add, i64 *%ptr
   ret void
@@ -42,7 +42,7 @@
 ; CHECK-LABEL: f4:
 ; CHECK: agsi 0(%r2), -128
 ; CHECK: br %r14
-  %val = load i64 *%ptr
+  %val = load i64 , i64 *%ptr
   %add = add i64 %val, -128
   store i64 %add, i64 *%ptr
   ret void
@@ -54,7 +54,7 @@
 ; CHECK-NOT: agsi
 ; CHECK: stg %r0, 0(%r2)
 ; CHECK: br %r14
-  %val = load i64 *%ptr
+  %val = load i64 , i64 *%ptr
   %add = add i64 %val, -129
   store i64 %add, i64 *%ptr
   ret void
@@ -66,7 +66,7 @@
 ; CHECK: agsi 524280(%r2), 1
 ; CHECK: br %r14
   %ptr = getelementptr i64, i64 *%base, i64 65535
-  %val = load i64 *%ptr
+  %val = load i64 , i64 *%ptr
   %add = add i64 %val, 1
   store i64 %add, i64 *%ptr
   ret void
@@ -80,7 +80,7 @@
 ; CHECK: agsi 0(%r2), 1
 ; CHECK: br %r14
   %ptr = getelementptr i64, i64 *%base, i64 65536
-  %val = load i64 *%ptr
+  %val = load i64 , i64 *%ptr
   %add = add i64 %val, 1
   store i64 %add, i64 *%ptr
   ret void
@@ -92,7 +92,7 @@
 ; CHECK: agsi -524288(%r2), 1
 ; CHECK: br %r14
   %ptr = getelementptr i64, i64 *%base, i64 -65536
-  %val = load i64 *%ptr
+  %val = load i64 , i64 *%ptr
   %add = add i64 %val, 1
   store i64 %add, i64 *%ptr
   ret void
@@ -106,7 +106,7 @@
 ; CHECK: agsi 0(%r2), 1
 ; CHECK: br %r14
   %ptr = getelementptr i64, i64 *%base, i64 -65537
-  %val = load i64 *%ptr
+  %val = load i64 , i64 *%ptr
   %add = add i64 %val, 1
   store i64 %add, i64 *%ptr
   ret void
@@ -121,7 +121,7 @@
   %add1 = add i64 %base, %index
   %add2 = add i64 %add1, 8
   %ptr = inttoptr i64 %add2 to i64 *
-  %val = load i64 *%ptr
+  %val = load i64 , i64 *%ptr
   %add = add i64 %val, 1
   store i64 %add, i64 *%ptr
   ret void
@@ -133,22 +133,22 @@
 ; CHECK: agsi {{[0-9]+}}(%r15), 127
 ; CHECK: br %r14
 entry:
-  %val0 = load volatile i64 *%ptr
-  %val1 = load volatile i64 *%ptr
-  %val2 = load volatile i64 *%ptr
-  %val3 = load volatile i64 *%ptr
-  %val4 = load volatile i64 *%ptr
-  %val5 = load volatile i64 *%ptr
-  %val6 = load volatile i64 *%ptr
-  %val7 = load volatile i64 *%ptr
-  %val8 = load volatile i64 *%ptr
-  %val9 = load volatile i64 *%ptr
-  %val10 = load volatile i64 *%ptr
-  %val11 = load volatile i64 *%ptr
-  %val12 = load volatile i64 *%ptr
-  %val13 = load volatile i64 *%ptr
-  %val14 = load volatile i64 *%ptr
-  %val15 = load volatile i64 *%ptr
+  %val0 = load volatile i64 , i64 *%ptr
+  %val1 = load volatile i64 , i64 *%ptr
+  %val2 = load volatile i64 , i64 *%ptr
+  %val3 = load volatile i64 , i64 *%ptr
+  %val4 = load volatile i64 , i64 *%ptr
+  %val5 = load volatile i64 , i64 *%ptr
+  %val6 = load volatile i64 , i64 *%ptr
+  %val7 = load volatile i64 , i64 *%ptr
+  %val8 = load volatile i64 , i64 *%ptr
+  %val9 = load volatile i64 , i64 *%ptr
+  %val10 = load volatile i64 , i64 *%ptr
+  %val11 = load volatile i64 , i64 *%ptr
+  %val12 = load volatile i64 , i64 *%ptr
+  %val13 = load volatile i64 , i64 *%ptr
+  %val14 = load volatile i64 , i64 *%ptr
+  %val15 = load volatile i64 , i64 *%ptr
 
   %test = icmp ne i32 %sel, 0
   br i1 %test, label %add, label %store
@@ -216,22 +216,22 @@
 ; CHECK: agsi {{[0-9]+}}(%r15), -128
 ; CHECK: br %r14
 entry:
-  %val0 = load volatile i64 *%ptr
-  %val1 = load volatile i64 *%ptr
-  %val2 = load volatile i64 *%ptr
-  %val3 = load volatile i64 *%ptr
-  %val4 = load volatile i64 *%ptr
-  %val5 = load volatile i64 *%ptr
-  %val6 = load volatile i64 *%ptr
-  %val7 = load volatile i64 *%ptr
-  %val8 = load volatile i64 *%ptr
-  %val9 = load volatile i64 *%ptr
-  %val10 = load volatile i64 *%ptr
-  %val11 = load volatile i64 *%ptr
-  %val12 = load volatile i64 *%ptr
-  %val13 = load volatile i64 *%ptr
-  %val14 = load volatile i64 *%ptr
-  %val15 = load volatile i64 *%ptr
+  %val0 = load volatile i64 , i64 *%ptr
+  %val1 = load volatile i64 , i64 *%ptr
+  %val2 = load volatile i64 , i64 *%ptr
+  %val3 = load volatile i64 , i64 *%ptr
+  %val4 = load volatile i64 , i64 *%ptr
+  %val5 = load volatile i64 , i64 *%ptr
+  %val6 = load volatile i64 , i64 *%ptr
+  %val7 = load volatile i64 , i64 *%ptr
+  %val8 = load volatile i64 , i64 *%ptr
+  %val9 = load volatile i64 , i64 *%ptr
+  %val10 = load volatile i64 , i64 *%ptr
+  %val11 = load volatile i64 , i64 *%ptr
+  %val12 = load volatile i64 , i64 *%ptr
+  %val13 = load volatile i64 , i64 *%ptr
+  %val14 = load volatile i64 , i64 *%ptr
+  %val15 = load volatile i64 , i64 *%ptr
 
   %test = icmp ne i32 %sel, 0
   br i1 %test, label %add, label %store