[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/Analysis/DependenceAnalysis/WeakCrossingSIV.ll b/llvm/test/Analysis/DependenceAnalysis/WeakCrossingSIV.ll
index be2d035..5b81ec1 100644
--- a/llvm/test/Analysis/DependenceAnalysis/WeakCrossingSIV.ll
+++ b/llvm/test/Analysis/DependenceAnalysis/WeakCrossingSIV.ll
@@ -35,7 +35,7 @@
   %mul1 = mul i64 %i.03, %n
   %sub = sub i64 1, %mul1
   %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %sub
-  %0 = load i32* %arrayidx2, align 4
+  %0 = load i32, i32* %arrayidx2, align 4
   %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
   store i32 %0, i32* %B.addr.02, align 4
   %inc = add i64 %i.03, 1
@@ -80,7 +80,7 @@
   %add1 = add i64 %n, 1
   %sub = sub i64 %add1, %i.03
   %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %sub
-  %0 = load i32* %arrayidx2, align 4
+  %0 = load i32, i32* %arrayidx2, align 4
   %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
   store i32 %0, i32* %B.addr.02, align 4
   %inc = add i64 %i.03, 1
@@ -118,7 +118,7 @@
   store i32 %conv, i32* %arrayidx, align 4
   %sub = sub i64 6, %i.02
   %arrayidx1 = getelementptr inbounds i32, i32* %A, i64 %sub
-  %0 = load i32* %arrayidx1, align 4
+  %0 = load i32, i32* %arrayidx1, align 4
   %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1
   store i32 %0, i32* %B.addr.01, align 4
   %inc = add i64 %i.02, 1
@@ -153,7 +153,7 @@
   store i32 %conv, i32* %arrayidx, align 4
   %sub = sub i64 6, %i.02
   %arrayidx1 = getelementptr inbounds i32, i32* %A, i64 %sub
-  %0 = load i32* %arrayidx1, align 4
+  %0 = load i32, i32* %arrayidx1, align 4
   %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1
   store i32 %0, i32* %B.addr.01, align 4
   %inc = add i64 %i.02, 1
@@ -188,7 +188,7 @@
   store i32 %conv, i32* %arrayidx, align 4
   %sub = sub i64 -6, %i.02
   %arrayidx1 = getelementptr inbounds i32, i32* %A, i64 %sub
-  %0 = load i32* %arrayidx1, align 4
+  %0 = load i32, i32* %arrayidx1, align 4
   %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1
   store i32 %0, i32* %B.addr.01, align 4
   %inc = add i64 %i.02, 1
@@ -229,7 +229,7 @@
   %0 = mul i64 %i.03, -3
   %sub = add i64 %0, 5
   %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %sub
-  %1 = load i32* %arrayidx2, align 4
+  %1 = load i32, i32* %arrayidx2, align 4
   %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
   store i32 %1, i32* %B.addr.02, align 4
   %inc = add i64 %i.03, 1
@@ -268,7 +268,7 @@
   store i32 %conv, i32* %arrayidx, align 4
   %sub = sub i64 5, %i.02
   %arrayidx1 = getelementptr inbounds i32, i32* %A, i64 %sub
-  %0 = load i32* %arrayidx1, align 4
+  %0 = load i32, i32* %arrayidx1, align 4
   %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1
   store i32 %0, i32* %B.addr.01, align 4
   %inc = add i64 %i.02, 1