[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/llvm.AMDGPU.class.ll b/llvm/test/CodeGen/R600/llvm.AMDGPU.class.ll
index 5f31289..805a88b 100644
--- a/llvm/test/CodeGen/R600/llvm.AMDGPU.class.ll
+++ b/llvm/test/CodeGen/R600/llvm.AMDGPU.class.ll
@@ -136,7 +136,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr float, float addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load float addrspace(1)* %gep.in
+  %a = load float, float addrspace(1)* %gep.in
 
   %result = call i1 @llvm.AMDGPU.class.f32(float %a, i32 511) #1
   %sext = sext i1 %result to i32
@@ -154,7 +154,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %b = load i32 addrspace(1)* %gep.in
+  %b = load i32, i32 addrspace(1)* %gep.in
 
   %result = call i1 @llvm.AMDGPU.class.f32(float 1.0, i32 %b) #1
   %sext = sext i1 %result to i32
@@ -174,7 +174,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %b = load i32 addrspace(1)* %gep.in
+  %b = load i32, i32 addrspace(1)* %gep.in
 
   %result = call i1 @llvm.AMDGPU.class.f32(float 1024.0, i32 %b) #1
   %sext = sext i1 %result to i32
@@ -292,7 +292,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr double, double addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load double addrspace(1)* %in
+  %a = load double, double addrspace(1)* %in
 
   %result = call i1 @llvm.AMDGPU.class.f64(double %a, i32 511) #1
   %sext = sext i1 %result to i32
@@ -308,7 +308,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %b = load i32 addrspace(1)* %gep.in
+  %b = load i32, i32 addrspace(1)* %gep.in
 
   %result = call i1 @llvm.AMDGPU.class.f64(double 1.0, i32 %b) #1
   %sext = sext i1 %result to i32
@@ -323,7 +323,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %b = load i32 addrspace(1)* %gep.in
+  %b = load i32, i32 addrspace(1)* %gep.in
 
   %result = call i1 @llvm.AMDGPU.class.f64(double 1024.0, i32 %b) #1
   %sext = sext i1 %result to i32
@@ -340,7 +340,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr float, float addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load float addrspace(1)* %gep.in
+  %a = load float, float addrspace(1)* %gep.in
 
   %class0 = call i1 @llvm.AMDGPU.class.f32(float %a, i32 1) #1
   %class1 = call i1 @llvm.AMDGPU.class.f32(float %a, i32 3) #1
@@ -360,7 +360,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr float, float addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load float addrspace(1)* %gep.in
+  %a = load float, float addrspace(1)* %gep.in
 
   %class0 = call i1 @llvm.AMDGPU.class.f32(float %a, i32 1) #1
   %class1 = call i1 @llvm.AMDGPU.class.f32(float %a, i32 2) #1
@@ -383,7 +383,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr float, float addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load float addrspace(1)* %gep.in
+  %a = load float, float addrspace(1)* %gep.in
 
   %class0 = call i1 @llvm.AMDGPU.class.f32(float %a, i32 1) #1
   %class1 = call i1 @llvm.AMDGPU.class.f32(float %a, i32 2) #1
@@ -418,7 +418,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr float, float addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load float addrspace(1)* %gep.in
+  %a = load float, float addrspace(1)* %gep.in
 
   %class0 = call i1 @llvm.AMDGPU.class.f32(float %a, i32 4) #1
   %class1 = call i1 @llvm.AMDGPU.class.f32(float %a, i32 8) #1
@@ -438,7 +438,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr float, float addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load float addrspace(1)* %gep.in
+  %a = load float, float addrspace(1)* %gep.in
 
   %class0 = call i1 @llvm.AMDGPU.class.f32(float %a, i32 7) #1
   %class1 = call i1 @llvm.AMDGPU.class.f32(float %a, i32 7) #1
@@ -458,7 +458,7 @@
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.in = getelementptr float, float addrspace(1)* %in, i32 %tid
   %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
-  %a = load float addrspace(1)* %gep.in
+  %a = load float, float addrspace(1)* %gep.in
 
   %class0 = call i1 @llvm.AMDGPU.class.f32(float %a, i32 4) #1
   %class1 = call i1 @llvm.AMDGPU.class.f32(float %b, i32 8) #1