[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/Transforms/LoopVectorize/runtime-limit.ll b/llvm/test/Transforms/LoopVectorize/runtime-limit.ll
index 04b44cd..6bc71e1 100644
--- a/llvm/test/Transforms/LoopVectorize/runtime-limit.ll
+++ b/llvm/test/Transforms/LoopVectorize/runtime-limit.ll
@@ -14,18 +14,18 @@
 for.body:                                         ; preds = %for.body, %entry
   %i.016 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
   %arrayidx = getelementptr inbounds i32, i32* %A, i64 %i.016
-  %0 = load i32* %arrayidx, align 4
+  %0 = load i32, i32* %arrayidx, align 4
   %arrayidx1 = getelementptr inbounds i32, i32* %B, i64 %i.016
-  %1 = load i32* %arrayidx1, align 4
+  %1 = load i32, i32* %arrayidx1, align 4
   %add = add nsw i32 %1, %0
   %arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %i.016
-  %2 = load i32* %arrayidx2, align 4
+  %2 = load i32, i32* %arrayidx2, align 4
   %add3 = add nsw i32 %add, %2
   %arrayidx4 = getelementptr inbounds i32, i32* %E, i64 %i.016
-  %3 = load i32* %arrayidx4, align 4
+  %3 = load i32, i32* %arrayidx4, align 4
   %add5 = add nsw i32 %add3, %3
   %arrayidx6 = getelementptr inbounds i32, i32* %F, i64 %i.016
-  %4 = load i32* %arrayidx6, align 4
+  %4 = load i32, i32* %arrayidx6, align 4
   %add7 = add nsw i32 %add5, %4
   %arrayidx8 = getelementptr inbounds i32, i32* %out, i64 %i.016
   store i32 %add7, i32* %arrayidx8, align 4
@@ -48,29 +48,29 @@
 for.body:                                         ; preds = %for.body, %entry
   %i.037 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
   %arrayidx = getelementptr inbounds i32, i32* %A, i64 %i.037
-  %0 = load i32* %arrayidx, align 4
+  %0 = load i32, i32* %arrayidx, align 4
   %arrayidx1 = getelementptr inbounds i32, i32* %B, i64 %i.037
-  %1 = load i32* %arrayidx1, align 4
+  %1 = load i32, i32* %arrayidx1, align 4
   %add = add nsw i32 %1, %0
   %arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %i.037
-  %2 = load i32* %arrayidx2, align 4
+  %2 = load i32, i32* %arrayidx2, align 4
   %add3 = add nsw i32 %add, %2
   %arrayidx4 = getelementptr inbounds i32, i32* %E, i64 %i.037
-  %3 = load i32* %arrayidx4, align 4
+  %3 = load i32, i32* %arrayidx4, align 4
   %add5 = add nsw i32 %add3, %3
   %arrayidx6 = getelementptr inbounds i32, i32* %F, i64 %i.037
-  %4 = load i32* %arrayidx6, align 4
+  %4 = load i32, i32* %arrayidx6, align 4
   %add7 = add nsw i32 %add5, %4
   %arrayidx8 = getelementptr inbounds i32, i32* %out, i64 %i.037
   store i32 %add7, i32* %arrayidx8, align 4
-  %5 = load i32* %arrayidx, align 4
-  %6 = load i32* %arrayidx1, align 4
+  %5 = load i32, i32* %arrayidx, align 4
+  %6 = load i32, i32* %arrayidx1, align 4
   %add11 = add nsw i32 %6, %5
-  %7 = load i32* %arrayidx2, align 4
+  %7 = load i32, i32* %arrayidx2, align 4
   %add13 = add nsw i32 %add11, %7
-  %8 = load i32* %arrayidx4, align 4
+  %8 = load i32, i32* %arrayidx4, align 4
   %add15 = add nsw i32 %add13, %8
-  %9 = load i32* %arrayidx6, align 4
+  %9 = load i32, i32* %arrayidx6, align 4
   %add17 = add nsw i32 %add15, %9
   %arrayidx18 = getelementptr inbounds i32, i32* %out2, i64 %i.037
   store i32 %add17, i32* %arrayidx18, align 4