Index: lib/Target/AMDGPU/SIISelLowering.cpp
===================================================================
--- lib/Target/AMDGPU/SIISelLowering.cpp
+++ lib/Target/AMDGPU/SIISelLowering.cpp
@@ -2891,6 +2891,64 @@
 
     return DAG.getMemIntrinsicNode(Opc, DL, Op->getVTList(), Ops, IntVT, MMO);
   }
+  // Basic sample.
+  case Intrinsic::amdgcn_image_sample:
+  case Intrinsic::amdgcn_image_sample_cl:
+  case Intrinsic::amdgcn_image_sample_d:
+  case Intrinsic::amdgcn_image_sample_d_cl:
+  case Intrinsic::amdgcn_image_sample_l:
+  case Intrinsic::amdgcn_image_sample_b:
+  case Intrinsic::amdgcn_image_sample_b_cl:
+  case Intrinsic::amdgcn_image_sample_lz:
+  case Intrinsic::amdgcn_image_sample_cd:
+  case Intrinsic::amdgcn_image_sample_cd_cl:
+
+  // Sample with comparison.
+  case Intrinsic::amdgcn_image_sample_c:
+  case Intrinsic::amdgcn_image_sample_c_cl:
+  case Intrinsic::amdgcn_image_sample_c_d:
+  case Intrinsic::amdgcn_image_sample_c_d_cl:
+  case Intrinsic::amdgcn_image_sample_c_l:
+  case Intrinsic::amdgcn_image_sample_c_b:
+  case Intrinsic::amdgcn_image_sample_c_b_cl:
+  case Intrinsic::amdgcn_image_sample_c_lz:
+  case Intrinsic::amdgcn_image_sample_c_cd:
+  case Intrinsic::amdgcn_image_sample_c_cd_cl:
+
+  // Sample with offsets.
+  case Intrinsic::amdgcn_image_sample_o:
+  case Intrinsic::amdgcn_image_sample_cl_o:
+  case Intrinsic::amdgcn_image_sample_d_o:
+  case Intrinsic::amdgcn_image_sample_d_cl_o:
+  case Intrinsic::amdgcn_image_sample_l_o:
+  case Intrinsic::amdgcn_image_sample_b_o:
+  case Intrinsic::amdgcn_image_sample_b_cl_o:
+  case Intrinsic::amdgcn_image_sample_lz_o:
+  case Intrinsic::amdgcn_image_sample_cd_o:
+  case Intrinsic::amdgcn_image_sample_cd_cl_o:
+
+  // Sample with comparison and offsets.
+  case Intrinsic::amdgcn_image_sample_c_o:
+  case Intrinsic::amdgcn_image_sample_c_cl_o:
+  case Intrinsic::amdgcn_image_sample_c_d_o:
+  case Intrinsic::amdgcn_image_sample_c_d_cl_o:
+  case Intrinsic::amdgcn_image_sample_c_l_o:
+  case Intrinsic::amdgcn_image_sample_c_b_o:
+  case Intrinsic::amdgcn_image_sample_c_b_cl_o:
+  case Intrinsic::amdgcn_image_sample_c_lz_o:
+  case Intrinsic::amdgcn_image_sample_c_cd_o:
+  case Intrinsic::amdgcn_image_sample_c_cd_cl_o:
+
+  case Intrinsic::amdgcn_image_getlod: {
+    // Replace dmask with everything disabled with undef.
+    const ConstantSDNode *DMask = dyn_cast<ConstantSDNode>(Op.getOperand(5));
+    if (!DMask || DMask->isNullValue()) {
+      SDValue Undef = DAG.getUNDEF(Op.getValueType());
+      return DAG.getMergeValues({ Undef, Op.getOperand(0) }, SDLoc(Op));
+    }
+
+    return SDValue();
+  }
   default:
     return SDValue();
   }
Index: test/CodeGen/AMDGPU/llvm.amdgcn.image.getlod.ll
===================================================================
--- test/CodeGen/AMDGPU/llvm.amdgcn.image.getlod.ll
+++ test/CodeGen/AMDGPU/llvm.amdgcn.image.getlod.ll
@@ -28,6 +28,16 @@
   ret void
 }
 
+; GCN-LABEL: {{^}}adjust_writemask_getlod_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_getlod_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.getlod.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
 
 declare <4 x float> @llvm.amdgcn.image.getlod.v4f32.f32.v8i32(float, <8 x i32>, <4 x i32>, i32, i1, i1, i1, i1, i1) #0
 declare <4 x float> @llvm.amdgcn.image.getlod.v4f32.v2f32.v8i32(<2 x float>, <8 x i32>, <4 x i32>, i32, i1, i1, i1, i1, i1) #0
Index: test/CodeGen/AMDGPU/llvm.amdgcn.image.sample.ll
===================================================================
--- test/CodeGen/AMDGPU/llvm.amdgcn.image.sample.ll
+++ test/CodeGen/AMDGPU/llvm.amdgcn.image.sample.ll
@@ -285,6 +285,128 @@
   ret void
 }
 
+; GCN-LABEL: {{^}}adjust_writemask_sample_variable_dmask_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_variable_dmask_enabled(float addrspace(1)* %out, i32 %dmask) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 %dmask, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_cl_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_cl_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.cl.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_d_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_d_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.d.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_d_cl_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_d_cl_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.d.cl.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_l_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_l_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.l.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_b_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_b_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.b.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_b_cl_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_b_cl_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.b.cl.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_lz_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_lz_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.lz.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_cd_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_cd_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.cd.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_cd_cl_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_cd_cl_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.cd.cl.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
 declare <4 x float> @llvm.amdgcn.image.sample.v4f32.v4f32.v8i32(<4 x float>, <8 x i32>, <4 x i32>, i32, i1, i1, i1, i1, i1) #0
 declare <4 x float> @llvm.amdgcn.image.sample.cl.v4f32.v4f32.v8i32(<4 x float>, <8 x i32>, <4 x i32>, i32, i1, i1, i1, i1, i1) #0
 declare <4 x float> @llvm.amdgcn.image.sample.d.v4f32.v4f32.v8i32(<4 x float>, <8 x i32>, <4 x i32>, i32, i1, i1, i1, i1, i1) #0
Index: test/CodeGen/AMDGPU/llvm.amdgcn.image.sample.o.ll
===================================================================
--- test/CodeGen/AMDGPU/llvm.amdgcn.image.sample.o.ll
+++ test/CodeGen/AMDGPU/llvm.amdgcn.image.sample.o.ll
@@ -181,6 +181,225 @@
   ret void
 }
 
+; GCN-LABEL: {{^}}adjust_writemask_sample_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_cl_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_cl_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.cl.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_d_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_d_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.d.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_d_cl_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_d_cl_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.d.cl.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_l_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_l_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.l.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_b_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_b_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.b.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_b_cl_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_b_cl_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.b.cl.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_lz_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_lz_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.lz.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_cd_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_cd_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.cd.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_cd_cl_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_cd_cl_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.cd.cl.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_c_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_c_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.c.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_c_cl_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_c_cl_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.c.cl.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_c_d_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_c_d_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.c.d.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_c_d_cl_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_c_d_cl_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.c.d.cl.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_c_l_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_c_l_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.c.l.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_c_b_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_c_b_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.c.b.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_c_b_cl_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_c_b_cl_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.c.b.cl.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_c_lz_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_c_lz_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.c.lz.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_c_cd_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_c_cd_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.c.cd.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}adjust_writemask_sample_c_cd_cl_o_none_enabled:
+; GCN-NOT: image
+; GCN-NOT: store
+define void @adjust_writemask_sample_c_cd_cl_o_none_enabled(float addrspace(1)* %out) {
+main_body:
+  %r = call <4 x float> @llvm.amdgcn.image.sample.c.cd.cl.o.v4f32.v4f32.v8i32(<4 x float> undef, <8 x i32> undef, <4 x i32> undef, i32 0, i1 false, i1 false, i1 false, i1 false, i1 false)
+  %elt0 = extractelement <4 x float> %r, i32 0
+  store float %elt0, float addrspace(1)* %out
+  ret void
+}
 
 declare <4 x float> @llvm.amdgcn.image.sample.o.v4f32.v4f32.v8i32(<4 x float>, <8 x i32>, <4 x i32>, i32, i1, i1, i1, i1, i1) #0
 declare <4 x float> @llvm.amdgcn.image.sample.cl.o.v4f32.v4f32.v8i32(<4 x float>, <8 x i32>, <4 x i32>, i32, i1, i1, i1, i1, i1) #0