Index: llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp
===================================================================
--- llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp
+++ llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp
@@ -276,8 +276,6 @@
   addPass(createNVPTXLowerArgsPass(&getNVPTXTargetMachine()));
   if (getOptLevel() != CodeGenOpt::None) {
     addAddressSpaceInferencePasses();
-    if (!DisableLoadStoreVectorizer)
-      addPass(createLoadStoreVectorizerPass());
     addStraightLineScalarOptimizationPasses();
   }
 
@@ -295,8 +293,11 @@
   //   %1 = shl %a, 2
   //
   // but EarlyCSE can do neither of them.
-  if (getOptLevel() != CodeGenOpt::None)
+  if (getOptLevel() != CodeGenOpt::None) {
     addEarlyCSEOrGVNPass();
+    if (!DisableLoadStoreVectorizer)
+      addPass(createLoadStoreVectorizerPass());
+  }
 }
 
 bool NVPTXPassConfig::addInstSelector() {
Index: llvm/test/CodeGen/NVPTX/vector-loads.ll
===================================================================
--- llvm/test/CodeGen/NVPTX/vector-loads.ll
+++ llvm/test/CodeGen/NVPTX/vector-loads.ll
@@ -7,8 +7,8 @@
 ;
 ; which will load two floats at once into scalar registers.
 
+; CHECK-LABEL foo
 define void @foo(<2 x float>* %a) {
-; CHECK: .func foo
 ; CHECK: ld.v2.f32 {%f{{[0-9]+}}, %f{{[0-9]+}}}
   %t1 = load <2 x float>, <2 x float>* %a
   %t2 = fmul <2 x float> %t1, %t1
@@ -16,8 +16,8 @@
   ret void
 }
 
+; CHECK-LABEL foo2
 define void @foo2(<4 x float>* %a) {
-; CHECK: .func foo2
 ; CHECK: ld.v4.f32 {%f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}}
   %t1 = load <4 x float>, <4 x float>* %a
   %t2 = fmul <4 x float> %t1, %t1
@@ -25,8 +25,8 @@
   ret void
 }
 
+; CHECK-LABEL foo3
 define void @foo3(<8 x float>* %a) {
-; CHECK: .func foo3
 ; CHECK: ld.v4.f32 {%f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}}
 ; CHECK-NEXT: ld.v4.f32 {%f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}}
   %t1 = load <8 x float>, <8 x float>* %a
@@ -37,8 +37,8 @@
 
 
 
+; CHECK-LABEL foo4
 define void @foo4(<2 x i32>* %a) {
-; CHECK: .func foo4
 ; CHECK: ld.v2.u32 {%r{{[0-9]+}}, %r{{[0-9]+}}}
   %t1 = load <2 x i32>, <2 x i32>* %a
   %t2 = mul <2 x i32> %t1, %t1
@@ -46,8 +46,8 @@
   ret void
 }
 
+; CHECK-LABEL foo5
 define void @foo5(<4 x i32>* %a) {
-; CHECK: .func foo5
 ; CHECK: ld.v4.u32 {%r{{[0-9]+}}, %r{{[0-9]+}}, %r{{[0-9]+}}, %r{{[0-9]+}}}
   %t1 = load <4 x i32>, <4 x i32>* %a
   %t2 = mul <4 x i32> %t1, %t1
@@ -55,8 +55,8 @@
   ret void
 }
 
+; CHECK-LABEL foo6
 define void @foo6(<8 x i32>* %a) {
-; CHECK: .func foo6
 ; CHECK: ld.v4.u32 {%r{{[0-9]+}}, %r{{[0-9]+}}, %r{{[0-9]+}}, %r{{[0-9]+}}}
 ; CHECK-NEXT: ld.v4.u32 {%r{{[0-9]+}}, %r{{[0-9]+}}, %r{{[0-9]+}}, %r{{[0-9]+}}}
   %t1 = load <8 x i32>, <8 x i32>* %a
@@ -64,3 +64,38 @@
   store <8 x i32> %t2, <8 x i32>* %a
   ret void
 }
+
+; The following test wasn't passing previously as the address
+; computation was still too complex when LSV was called.
+declare i32 @llvm.nvvm.read.ptx.sreg.ctaid.x() #0
+declare i32 @llvm.nvvm.read.ptx.sreg.tid.x() #0
+; CHECK-LABEL foo_complex
+define void @foo_complex(i8* nocapture readonly align 16 dereferenceable(134217728) %alloc0) {
+  %targ0.1.typed = bitcast i8* %alloc0 to [1024 x [131072 x i8]]*
+  %t0 = tail call i32 @llvm.nvvm.read.ptx.sreg.tid.x(), !range !1
+  %t1 = tail call i32 @llvm.nvvm.read.ptx.sreg.ctaid.x()
+  %t2 = lshr i32 %t1, 8
+  %t3 = shl nuw nsw i32 %t1, 9
+  %ttile_origin.2 = and i32 %t3, 130560
+  %tstart_offset_x_mul = shl nuw nsw i32 %t0, 1
+  %t4 = or i32 %ttile_origin.2, %tstart_offset_x_mul
+  %t6 = or i32 %t4, 1
+  %t8 = or i32 %t4, 128
+  %t9 = zext i32 %t8 to i64
+  %t10 = or i32 %t4, 129
+  %t11 = zext i32 %t10 to i64
+  %t20 = zext i32 %t2 to i64
+  %t27 = getelementptr inbounds [1024 x [131072 x i8]], [1024 x [131072 x i8]]* %targ0.1.typed, i64 0, i64 %t20, i64 %t9
+; CHECK: ld.v2.u8
+  %t28 = load i8, i8* %t27, align 2
+  %t31 = getelementptr inbounds [1024 x [131072 x i8]], [1024 x [131072 x i8]]* %targ0.1.typed, i64 0, i64 %t20, i64 %t11
+  %t32 = load i8, i8* %t31, align 1
+  %t33 = icmp ult i8 %t28, %t32
+  %t34 = select i1 %t33, i8 %t32, i8 %t28
+  store i8 %t34, i8* %t31
+; CHECK: ret
+  ret void
+}
+
+
+!1 = !{i32 0, i32 64}