[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/Mips/o32_cc_vararg.ll b/llvm/test/CodeGen/Mips/o32_cc_vararg.ll
index 10972e88..b4597a3 100644
--- a/llvm/test/CodeGen/Mips/o32_cc_vararg.ll
+++ b/llvm/test/CodeGen/Mips/o32_cc_vararg.ll
@@ -24,7 +24,7 @@
   store i32 %0, i32* %b, align 4
   %ap2 = bitcast i8** %ap to i8*
   call void @llvm.va_end(i8* %ap2)
-  %tmp = load i32* %b, align 4
+  %tmp = load i32, i32* %b, align 4
   ret i32 %tmp
 
 ; CHECK-LABEL: va1:
@@ -50,7 +50,7 @@
   store double %0, double* %b, align 8
   %ap2 = bitcast i8** %ap to i8*
   call void @llvm.va_end(i8* %ap2)
-  %tmp = load double* %b, align 8
+  %tmp = load double, double* %b, align 8
   ret double %tmp
 
 ; CHECK-LABEL: va2:
@@ -78,7 +78,7 @@
   store i32 %0, i32* %b, align 4
   %ap2 = bitcast i8** %ap to i8*
   call void @llvm.va_end(i8* %ap2)
-  %tmp = load i32* %b, align 4
+  %tmp = load i32, i32* %b, align 4
   ret i32 %tmp
 
 ; CHECK-LABEL: va3:
@@ -101,7 +101,7 @@
   store double %0, double* %b, align 8
   %ap2 = bitcast i8** %ap to i8*
   call void @llvm.va_end(i8* %ap2)
-  %tmp = load double* %b, align 8
+  %tmp = load double, double* %b, align 8
   ret double %tmp
 
 ; CHECK-LABEL: va4:
@@ -129,7 +129,7 @@
   store i32 %0, i32* %d, align 4
   %ap2 = bitcast i8** %ap to i8*
   call void @llvm.va_end(i8* %ap2)
-  %tmp = load i32* %d, align 4
+  %tmp = load i32, i32* %d, align 4
   ret i32 %tmp
 
 ; CHECK-LABEL: va5:
@@ -155,7 +155,7 @@
   store double %0, double* %d, align 8
   %ap2 = bitcast i8** %ap to i8*
   call void @llvm.va_end(i8* %ap2)
-  %tmp = load double* %d, align 8
+  %tmp = load double, double* %d, align 8
   ret double %tmp
 
 ; CHECK-LABEL: va6:
@@ -183,7 +183,7 @@
   store i32 %0, i32* %c, align 4
   %ap2 = bitcast i8** %ap to i8*
   call void @llvm.va_end(i8* %ap2)
-  %tmp = load i32* %c, align 4
+  %tmp = load i32, i32* %c, align 4
   ret i32 %tmp
 
 ; CHECK-LABEL: va7:
@@ -206,7 +206,7 @@
   store double %0, double* %c, align 8
   %ap2 = bitcast i8** %ap to i8*
   call void @llvm.va_end(i8* %ap2)
-  %tmp = load double* %c, align 8
+  %tmp = load double, double* %c, align 8
   ret double %tmp
 
 ; CHECK-LABEL: va8:
@@ -232,7 +232,7 @@
   store i32 %0, i32* %d, align 4
   %ap2 = bitcast i8** %ap to i8*
   call void @llvm.va_end(i8* %ap2)
-  %tmp = load i32* %d, align 4
+  %tmp = load i32, i32* %d, align 4
   ret i32 %tmp
 
 ; CHECK-LABEL: va9:
@@ -257,7 +257,7 @@
   store double %0, double* %d, align 8
   %ap2 = bitcast i8** %ap to i8*
   call void @llvm.va_end(i8* %ap2)
-  %tmp = load double* %d, align 8
+  %tmp = load double, double* %d, align 8
   ret double %tmp
 
 ; CHECK-LABEL: va10: