[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/min.ll b/llvm/test/CodeGen/R600/min.ll
index 9f85356..d1febf5 100644
--- a/llvm/test/CodeGen/R600/min.ll
+++ b/llvm/test/CodeGen/R600/min.ll
@@ -9,8 +9,8 @@
   %gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
   %gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
   %outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load i32 addrspace(1)* %gep0, align 4
-  %b = load i32 addrspace(1)* %gep1, align 4
+  %a = load i32, i32 addrspace(1)* %gep0, align 4
+  %b = load i32, i32 addrspace(1)* %gep1, align 4
   %cmp = icmp sle i32 %a, %b
   %val = select i1 %cmp, i32 %a, i32 %b
   store i32 %val, i32 addrspace(1)* %outgep, align 4
@@ -33,8 +33,8 @@
   %gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
   %gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
   %outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load i32 addrspace(1)* %gep0, align 4
-  %b = load i32 addrspace(1)* %gep1, align 4
+  %a = load i32, i32 addrspace(1)* %gep0, align 4
+  %b = load i32, i32 addrspace(1)* %gep1, align 4
   %cmp = icmp slt i32 %a, %b
   %val = select i1 %cmp, i32 %a, i32 %b
   store i32 %val, i32 addrspace(1)* %outgep, align 4
@@ -57,8 +57,8 @@
   %gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
   %gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
   %outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load i32 addrspace(1)* %gep0, align 4
-  %b = load i32 addrspace(1)* %gep1, align 4
+  %a = load i32, i32 addrspace(1)* %gep0, align 4
+  %b = load i32, i32 addrspace(1)* %gep1, align 4
   %cmp = icmp ule i32 %a, %b
   %val = select i1 %cmp, i32 %a, i32 %b
   store i32 %val, i32 addrspace(1)* %outgep, align 4
@@ -81,8 +81,8 @@
   %gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
   %gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
   %outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load i32 addrspace(1)* %gep0, align 4
-  %b = load i32 addrspace(1)* %gep1, align 4
+  %a = load i32, i32 addrspace(1)* %gep0, align 4
+  %b = load i32, i32 addrspace(1)* %gep1, align 4
   %cmp = icmp ult i32 %a, %b
   %val = select i1 %cmp, i32 %a, i32 %b
   store i32 %val, i32 addrspace(1)* %outgep, align 4
@@ -110,8 +110,8 @@
   %gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
   %outgep0 = getelementptr i32, i32 addrspace(1)* %out0, i32 %tid
   %outgep1 = getelementptr i1, i1 addrspace(1)* %out1, i32 %tid
-  %a = load i32 addrspace(1)* %gep0, align 4
-  %b = load i32 addrspace(1)* %gep1, align 4
+  %a = load i32, i32 addrspace(1)* %gep0, align 4
+  %b = load i32, i32 addrspace(1)* %gep1, align 4
   %cmp = icmp ult i32 %a, %b
   %val = select i1 %cmp, i32 %a, i32 %b
   store i32 %val, i32 addrspace(1)* %outgep0, align 4