[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/load-i1.ll b/llvm/test/CodeGen/R600/load-i1.ll
index 315c0a3..0ca49fd 100644
--- a/llvm/test/CodeGen/R600/load-i1.ll
+++ b/llvm/test/CodeGen/R600/load-i1.ll
@@ -11,7 +11,7 @@
 ; EG: VTX_READ_8
 ; EG: AND_INT
 define void @global_copy_i1_to_i1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
-  %load = load i1 addrspace(1)* %in
+  %load = load i1, i1 addrspace(1)* %in
   store i1 %load, i1 addrspace(1)* %out, align 1
   ret void
 }
@@ -26,7 +26,7 @@
 ; EG: AND_INT
 ; EG: LDS_BYTE_WRITE
 define void @local_copy_i1_to_i1(i1 addrspace(3)* %out, i1 addrspace(3)* %in) nounwind {
-  %load = load i1 addrspace(3)* %in
+  %load = load i1, i1 addrspace(3)* %in
   store i1 %load, i1 addrspace(3)* %out, align 1
   ret void
 }
@@ -40,7 +40,7 @@
 ; EG: VTX_READ_8
 ; EG: AND_INT
 define void @constant_copy_i1_to_i1(i1 addrspace(1)* %out, i1 addrspace(2)* %in) nounwind {
-  %load = load i1 addrspace(2)* %in
+  %load = load i1, i1 addrspace(2)* %in
   store i1 %load, i1 addrspace(1)* %out, align 1
   ret void
 }
@@ -54,7 +54,7 @@
 ; EG: VTX_READ_8
 ; EG: BFE_INT
 define void @global_sextload_i1_to_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
-  %load = load i1 addrspace(1)* %in
+  %load = load i1, i1 addrspace(1)* %in
   %ext = sext i1 %load to i32
   store i32 %ext, i32 addrspace(1)* %out, align 4
   ret void
@@ -66,7 +66,7 @@
 ; SI: s_endpgm
 
 define void @global_zextload_i1_to_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
-  %load = load i1 addrspace(1)* %in
+  %load = load i1, i1 addrspace(1)* %in
   %ext = zext i1 %load to i32
   store i32 %ext, i32 addrspace(1)* %out, align 4
   ret void
@@ -78,7 +78,7 @@
 ; SI: buffer_store_dwordx2
 ; SI: s_endpgm
 define void @global_sextload_i1_to_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
-  %load = load i1 addrspace(1)* %in
+  %load = load i1, i1 addrspace(1)* %in
   %ext = sext i1 %load to i64
   store i64 %ext, i64 addrspace(1)* %out, align 4
   ret void
@@ -90,7 +90,7 @@
 ; SI: buffer_store_dwordx2
 ; SI: s_endpgm
 define void @global_zextload_i1_to_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
-  %load = load i1 addrspace(1)* %in
+  %load = load i1, i1 addrspace(1)* %in
   %ext = zext i1 %load to i64
   store i64 %ext, i64 addrspace(1)* %out, align 4
   ret void