[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/Transforms/BBVectorize/simple-ldstr-ptrs.ll b/llvm/test/Transforms/BBVectorize/simple-ldstr-ptrs.ll
index ff812b1..fcc0236 100644
--- a/llvm/test/Transforms/BBVectorize/simple-ldstr-ptrs.ll
+++ b/llvm/test/Transforms/BBVectorize/simple-ldstr-ptrs.ll
@@ -8,20 +8,20 @@
 ; Simple 3-pair chain also with loads and stores (using ptrs and gep)
 define double @test1(i64* %a, i64* %b, i64* %c) nounwind uwtable readonly {
 entry:
-  %i0 = load i64* %a, align 8
-  %i1 = load i64* %b, align 8
+  %i0 = load i64, i64* %a, align 8
+  %i1 = load i64, i64* %b, align 8
   %mul = mul i64 %i0, %i1
   %arrayidx3 = getelementptr inbounds i64, i64* %a, i64 1
-  %i3 = load i64* %arrayidx3, align 8
+  %i3 = load i64, i64* %arrayidx3, align 8
   %arrayidx4 = getelementptr inbounds i64, i64* %b, i64 1
-  %i4 = load i64* %arrayidx4, align 8
+  %i4 = load i64, i64* %arrayidx4, align 8
   %mul5 = mul i64 %i3, %i4
   %ptr = inttoptr i64 %mul to double*
   %ptr5 = inttoptr i64 %mul5 to double*
   %aptr = getelementptr inbounds double, double* %ptr, i64 2
   %aptr5 = getelementptr inbounds double, double* %ptr5, i64 3
-  %av = load double* %aptr, align 16
-  %av5 = load double* %aptr5, align 16
+  %av = load double, double* %aptr, align 16
+  %av5 = load double, double* %aptr5, align 16
   %r = fmul double %av, %av5
   store i64 %mul, i64* %c, align 8
   %arrayidx5 = getelementptr inbounds i64, i64* %c, i64 1
@@ -30,15 +30,15 @@
 ; CHECK-LABEL: @test1(
 ; CHECK: %i0.v.i0 = bitcast i64* %a to <2 x i64>*
 ; CHECK: %i1.v.i0 = bitcast i64* %b to <2 x i64>*
-; CHECK: %i0 = load <2 x i64>* %i0.v.i0, align 8
-; CHECK: %i1 = load <2 x i64>* %i1.v.i0, align 8
+; CHECK: %i0 = load <2 x i64>, <2 x i64>* %i0.v.i0, align 8
+; CHECK: %i1 = load <2 x i64>, <2 x i64>* %i1.v.i0, align 8
 ; CHECK: %mul = mul <2 x i64> %i0, %i1
 ; CHECK: %ptr = inttoptr <2 x i64> %mul to <2 x double*>
 ; CHECK: %aptr = getelementptr inbounds double, <2 x double*> %ptr, <2 x i64> <i64 2, i64 3>
 ; CHECK: %aptr.v.r1 = extractelement <2 x double*> %aptr, i32 0
 ; CHECK: %aptr.v.r2 = extractelement <2 x double*> %aptr, i32 1
-; CHECK: %av = load double* %aptr.v.r1, align 16
-; CHECK: %av5 = load double* %aptr.v.r2, align 16
+; CHECK: %av = load double, double* %aptr.v.r1, align 16
+; CHECK: %av5 = load double, double* %aptr.v.r2, align 16
 ; CHECK: %r = fmul double %av, %av5
 ; CHECK: %0 = bitcast i64* %c to <2 x i64>*
 ; CHECK: store <2 x i64> %mul, <2 x i64>* %0, align 8
@@ -50,14 +50,14 @@
 ; Simple 3-pair chain with loads and stores (using ptrs and gep)
 define void @test2(i64** %a, i64** %b, i64** %c) nounwind uwtable readonly {
 entry:
-  %i0 = load i64** %a, align 8
-  %i1 = load i64** %b, align 8
+  %i0 = load i64*, i64** %a, align 8
+  %i1 = load i64*, i64** %b, align 8
   %arrayidx3 = getelementptr inbounds i64*, i64** %a, i64 1
-  %i3 = load i64** %arrayidx3, align 8
+  %i3 = load i64*, i64** %arrayidx3, align 8
   %arrayidx4 = getelementptr inbounds i64*, i64** %b, i64 1
-  %i4 = load i64** %arrayidx4, align 8
-  %o1 = load i64* %i1, align 8
-  %o4 = load i64* %i4, align 8
+  %i4 = load i64*, i64** %arrayidx4, align 8
+  %o1 = load i64, i64* %i1, align 8
+  %o4 = load i64, i64* %i4, align 8
   %ptr0 = getelementptr inbounds i64, i64* %i0, i64 %o1
   %ptr3 = getelementptr inbounds i64, i64* %i3, i64 %o4
   store i64* %ptr0, i64** %c, align 8
@@ -66,12 +66,12 @@
   ret void
 ; CHECK-LABEL: @test2(
 ; CHECK: %i0.v.i0 = bitcast i64** %a to <2 x i64*>*
-; CHECK: %i1 = load i64** %b, align 8
-; CHECK: %i0 = load <2 x i64*>* %i0.v.i0, align 8
+; CHECK: %i1 = load i64*, i64** %b, align 8
+; CHECK: %i0 = load <2 x i64*>, <2 x i64*>* %i0.v.i0, align 8
 ; CHECK: %arrayidx4 = getelementptr inbounds i64*, i64** %b, i64 1
-; CHECK: %i4 = load i64** %arrayidx4, align 8
-; CHECK: %o1 = load i64* %i1, align 8
-; CHECK: %o4 = load i64* %i4, align 8
+; CHECK: %i4 = load i64*, i64** %arrayidx4, align 8
+; CHECK: %o1 = load i64, i64* %i1, align 8
+; CHECK: %o4 = load i64, i64* %i4, align 8
 ; CHECK: %ptr0.v.i1.1 = insertelement <2 x i64> undef, i64 %o1, i32 0
 ; CHECK: %ptr0.v.i1.2 = insertelement <2 x i64> %ptr0.v.i1.1, i64 %o4, i32 1
 ; CHECK: %ptr0 = getelementptr inbounds i64, <2 x i64*> %i0, <2 x i64> %ptr0.v.i1.2
@@ -86,16 +86,16 @@
 ; using pointer vectors.
 define void @test3(<2 x i64*>* %a, <2 x i64*>* %b, <2 x i64*>* %c) nounwind uwtable readonly {
 entry:
-  %i0 = load <2 x i64*>* %a, align 8
-  %i1 = load <2 x i64*>* %b, align 8
+  %i0 = load <2 x i64*>, <2 x i64*>* %a, align 8
+  %i1 = load <2 x i64*>, <2 x i64*>* %b, align 8
   %arrayidx3 = getelementptr inbounds <2 x i64*>, <2 x i64*>* %a, i64 1
-  %i3 = load <2 x i64*>* %arrayidx3, align 8
+  %i3 = load <2 x i64*>, <2 x i64*>* %arrayidx3, align 8
   %arrayidx4 = getelementptr inbounds <2 x i64*>, <2 x i64*>* %b, i64 1
-  %i4 = load <2 x i64*>* %arrayidx4, align 8
+  %i4 = load <2 x i64*>, <2 x i64*>* %arrayidx4, align 8
   %j1 = extractelement <2 x i64*> %i1, i32 0
   %j4 = extractelement <2 x i64*> %i4, i32 0
-  %o1 = load i64* %j1, align 8
-  %o4 = load i64* %j4, align 8
+  %o1 = load i64, i64* %j1, align 8
+  %o4 = load i64, i64* %j4, align 8
   %j0 = extractelement <2 x i64*> %i0, i32 0
   %j3 = extractelement <2 x i64*> %i3, i32 0
   %ptr0 = getelementptr inbounds i64, i64* %j0, i64 %o1
@@ -110,14 +110,14 @@
   ret void
 ; CHECK-LABEL: @test3(
 ; CHECK: %i0.v.i0 = bitcast <2 x i64*>* %a to <4 x i64*>*
-; CHECK: %i1 = load <2 x i64*>* %b, align 8
-; CHECK: %i0 = load <4 x i64*>* %i0.v.i0, align 8
+; CHECK: %i1 = load <2 x i64*>, <2 x i64*>* %b, align 8
+; CHECK: %i0 = load <4 x i64*>, <4 x i64*>* %i0.v.i0, align 8
 ; CHECK: %arrayidx4 = getelementptr inbounds <2 x i64*>, <2 x i64*>* %b, i64 1
-; CHECK: %i4 = load <2 x i64*>* %arrayidx4, align 8
+; CHECK: %i4 = load <2 x i64*>, <2 x i64*>* %arrayidx4, align 8
 ; CHECK: %j1 = extractelement <2 x i64*> %i1, i32 0
 ; CHECK: %j4 = extractelement <2 x i64*> %i4, i32 0
-; CHECK: %o1 = load i64* %j1, align 8
-; CHECK: %o4 = load i64* %j4, align 8
+; CHECK: %o1 = load i64, i64* %j1, align 8
+; CHECK: %o4 = load i64, i64* %j4, align 8
 ; CHECK: %ptr0.v.i1.1 = insertelement <2 x i64> undef, i64 %o1, i32 0
 ; CHECK: %ptr0.v.i1.2 = insertelement <2 x i64> %ptr0.v.i1.1, i64 %o4, i32 1
 ; CHECK: %ptr0.v.i0 = shufflevector <4 x i64*> %i0, <4 x i64*> undef, <2 x i32> <i32 0, i32 2>