diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 16021eead0c9f..6f2b385e77c4c 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -6552,6 +6552,18 @@ void SITargetLowering::ReplaceNodeResults(SDNode *N,
       Results.push_back(LoadVal);
       return;
     }
+    case Intrinsic::amdgcn_readlane:
+    case Intrinsic::amdgcn_readfirstlane:
+    case Intrinsic::amdgcn_writelane:
+    case Intrinsic::amdgcn_permlane16:
+    case Intrinsic::amdgcn_permlanex16:
+    case Intrinsic::amdgcn_permlane64:
+    case Intrinsic::amdgcn_set_inactive:
+    case Intrinsic::amdgcn_set_inactive_chain_arg:
+    case Intrinsic::amdgcn_mov_dpp8:
+    case Intrinsic::amdgcn_update_dpp:
+      Results.push_back(lowerLaneOp(*this, N, DAG));
+      return;
     }
     break;
   }
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mov.dpp8.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mov.dpp8.ll
index 481e721e3c21d..f6ea0b4c36448 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mov.dpp8.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mov.dpp8.ll
@@ -186,6 +186,25 @@ define amdgpu_ps void @dpp8_double(double %in, ptr addrspace(1) %out) {
   ret void
 }
 
+; GFX10PLUS-LABEL: {{^}}dpp8_i8:
+; GFX10PLUS: v_mov_b32_dpp v0, v0 dpp8:[1,0,0,0,0,0,0,0]
+; GFX10PLUS: global_store_{{byte|b8}} v[1:2], v0, off
+define amdgpu_ps void @dpp8_i8(i8 %in, ptr addrspace(1) %out) {
+  %tmp0 = call i8 @llvm.amdgcn.mov.dpp8.i8(i8 %in, i32 1)
+  store i8 %tmp0, ptr addrspace(1) %out
+  ret void
+}
+
+; GFX10PLUS-LABEL: {{^}}dpp8_i1:
+; GFX10PLUS: v_mov_b32_dpp v0, v0 dpp8:[1,0,0,0,0,0,0,0]
+; GFX10PLUS: v_and_b32_e32 v0, 1, v0
+; GFX10PLUS: global_store_{{byte|b8}} v[1:2], v0, off
+define amdgpu_ps void @dpp8_i1(i1 %in, ptr addrspace(1) %out) {
+  %tmp0 = call i1 @llvm.amdgcn.mov.dpp8.i1(i1 %in, i32 1)
+  store i1 %tmp0, ptr addrspace(1) %out
+  ret void
+}
+
 declare i32 @llvm.amdgcn.mov.dpp8.i32(i32, i32) #0
 
 attributes #0 = { nounwind readnone convergent }
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll
index 076cf09678b57..794eb85ad1207 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll
@@ -8932,6 +8932,87 @@ define void @v_permlane16_v2f32(ptr addrspace(1) %out, <2 x float> %src0, i32 %s
   ret void
 }
 
+define void @v_permlane16_i8(ptr addrspace(1) %out, i8 %src0, i32 %src1, i32 %src2) {
+; GFX10-LABEL: v_permlane16_i8:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    v_readfirstlane_b32 s4, v3
+; GFX10-NEXT:    v_readfirstlane_b32 s5, v4
+; GFX10-NEXT:    v_permlane16_b32 v2, v2, s4, s5
+; GFX10-NEXT:    global_store_byte v[0:1], v2, off
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: v_permlane16_i8:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    v_readfirstlane_b32 s0, v3
+; GFX11-NEXT:    v_readfirstlane_b32 s1, v4
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX11-NEXT:    v_permlane16_b32 v2, v2, s0, s1
+; GFX11-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX12-LABEL: v_permlane16_i8:
+; GFX12:       ; %bb.0:
+; GFX12-NEXT:    s_wait_loadcnt_dscnt 0x0
+; GFX12-NEXT:    s_wait_expcnt 0x0
+; GFX12-NEXT:    s_wait_samplecnt 0x0
+; GFX12-NEXT:    s_wait_bvhcnt 0x0
+; GFX12-NEXT:    s_wait_kmcnt 0x0
+; GFX12-NEXT:    v_readfirstlane_b32 s0, v3
+; GFX12-NEXT:    v_readfirstlane_b32 s1, v4
+; GFX12-NEXT:    s_wait_alu 0xf1ff
+; GFX12-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX12-NEXT:    v_permlane16_b32 v2, v2, s0, s1
+; GFX12-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX12-NEXT:    s_setpc_b64 s[30:31]
+  %v = call i8 @llvm.amdgcn.permlane16.i8(i8 %src0, i8 %src0, i32 %src1, i32 %src2, i1 false, i1 false)
+  store i8 %v, ptr addrspace(1) %out
+  ret void
+}
+
+define void @v_permlane16_i1(ptr addrspace(1) %out, i1 %src0, i32 %src1, i32 %src2) {
+; GFX10-LABEL: v_permlane16_i1:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    v_readfirstlane_b32 s4, v3
+; GFX10-NEXT:    v_readfirstlane_b32 s5, v4
+; GFX10-NEXT:    v_permlane16_b32 v2, v2, s4, s5
+; GFX10-NEXT:    v_and_b32_e32 v2, 1, v2
+; GFX10-NEXT:    global_store_byte v[0:1], v2, off
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: v_permlane16_i1:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    v_readfirstlane_b32 s0, v3
+; GFX11-NEXT:    v_readfirstlane_b32 s1, v4
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
+; GFX11-NEXT:    v_permlane16_b32 v2, v2, s0, s1
+; GFX11-NEXT:    v_and_b32_e32 v2, 1, v2
+; GFX11-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX12-LABEL: v_permlane16_i1:
+; GFX12:       ; %bb.0:
+; GFX12-NEXT:    s_wait_loadcnt_dscnt 0x0
+; GFX12-NEXT:    s_wait_expcnt 0x0
+; GFX12-NEXT:    s_wait_samplecnt 0x0
+; GFX12-NEXT:    s_wait_bvhcnt 0x0
+; GFX12-NEXT:    s_wait_kmcnt 0x0
+; GFX12-NEXT:    v_readfirstlane_b32 s0, v3
+; GFX12-NEXT:    v_readfirstlane_b32 s1, v4
+; GFX12-NEXT:    s_wait_alu 0xf1ff
+; GFX12-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
+; GFX12-NEXT:    v_permlane16_b32 v2, v2, s0, s1
+; GFX12-NEXT:    v_and_b32_e32 v2, 1, v2
+; GFX12-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX12-NEXT:    s_setpc_b64 s[30:31]
+  %v = call i1 @llvm.amdgcn.permlane16.i1(i1 %src0, i1 %src0, i32 %src1, i32 %src2, i1 false, i1 false)
+  store i1 %v, ptr addrspace(1) %out
+  ret void
+}
+
 define void @v_permlanex16_v2f32(ptr addrspace(1) %out, <2 x float> %src0, i32 %src1, i32 %src2) {
 ; GFX10-SDAG-LABEL: v_permlanex16_v2f32:
 ; GFX10-SDAG:       ; %bb.0:
@@ -9430,3 +9511,84 @@ define void @v_permlanex16_v8i16(ptr addrspace(1) %out, <8 x i16> %src0, i32 %sr
   store <8 x i16> %v, ptr addrspace(1) %out
   ret void
 }
+
+define void @v_permlanex16_i8(ptr addrspace(1) %out, i8 %src0, i32 %src1, i32 %src2) {
+; GFX10-LABEL: v_permlanex16_i8:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    v_readfirstlane_b32 s4, v3
+; GFX10-NEXT:    v_readfirstlane_b32 s5, v4
+; GFX10-NEXT:    v_permlanex16_b32 v2, v2, s4, s5
+; GFX10-NEXT:    global_store_byte v[0:1], v2, off
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: v_permlanex16_i8:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    v_readfirstlane_b32 s0, v3
+; GFX11-NEXT:    v_readfirstlane_b32 s1, v4
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX11-NEXT:    v_permlanex16_b32 v2, v2, s0, s1
+; GFX11-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX12-LABEL: v_permlanex16_i8:
+; GFX12:       ; %bb.0:
+; GFX12-NEXT:    s_wait_loadcnt_dscnt 0x0
+; GFX12-NEXT:    s_wait_expcnt 0x0
+; GFX12-NEXT:    s_wait_samplecnt 0x0
+; GFX12-NEXT:    s_wait_bvhcnt 0x0
+; GFX12-NEXT:    s_wait_kmcnt 0x0
+; GFX12-NEXT:    v_readfirstlane_b32 s0, v3
+; GFX12-NEXT:    v_readfirstlane_b32 s1, v4
+; GFX12-NEXT:    s_wait_alu 0xf1ff
+; GFX12-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX12-NEXT:    v_permlanex16_b32 v2, v2, s0, s1
+; GFX12-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX12-NEXT:    s_setpc_b64 s[30:31]
+  %v = call i8 @llvm.amdgcn.permlanex16.i8(i8 %src0, i8 %src0, i32 %src1, i32 %src2, i1 false, i1 false)
+  store i8 %v, ptr addrspace(1) %out
+  ret void
+}
+
+define void @v_permlanex16_i1(ptr addrspace(1) %out, i1 %src0, i32 %src1, i32 %src2) {
+; GFX10-LABEL: v_permlanex16_i1:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    v_readfirstlane_b32 s4, v3
+; GFX10-NEXT:    v_readfirstlane_b32 s5, v4
+; GFX10-NEXT:    v_permlanex16_b32 v2, v2, s4, s5
+; GFX10-NEXT:    v_and_b32_e32 v2, 1, v2
+; GFX10-NEXT:    global_store_byte v[0:1], v2, off
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: v_permlanex16_i1:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    v_readfirstlane_b32 s0, v3
+; GFX11-NEXT:    v_readfirstlane_b32 s1, v4
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
+; GFX11-NEXT:    v_permlanex16_b32 v2, v2, s0, s1
+; GFX11-NEXT:    v_and_b32_e32 v2, 1, v2
+; GFX11-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX12-LABEL: v_permlanex16_i1:
+; GFX12:       ; %bb.0:
+; GFX12-NEXT:    s_wait_loadcnt_dscnt 0x0
+; GFX12-NEXT:    s_wait_expcnt 0x0
+; GFX12-NEXT:    s_wait_samplecnt 0x0
+; GFX12-NEXT:    s_wait_bvhcnt 0x0
+; GFX12-NEXT:    s_wait_kmcnt 0x0
+; GFX12-NEXT:    v_readfirstlane_b32 s0, v3
+; GFX12-NEXT:    v_readfirstlane_b32 s1, v4
+; GFX12-NEXT:    s_wait_alu 0xf1ff
+; GFX12-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
+; GFX12-NEXT:    v_permlanex16_b32 v2, v2, s0, s1
+; GFX12-NEXT:    v_and_b32_e32 v2, 1, v2
+; GFX12-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX12-NEXT:    s_setpc_b64 s[30:31]
+  %v = call i1 @llvm.amdgcn.permlanex16.i1(i1 %src0, i1 %src0, i32 %src1, i32 %src2, i1 false, i1 false)
+  store i1 %v, ptr addrspace(1) %out
+  ret void
+}
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane64.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane64.ll
index f23f9595446eb..49023a126ddf7 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane64.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane64.ll
@@ -52,6 +52,33 @@ define amdgpu_kernel void @test_v(ptr addrspace(1) %out, i32 %src0) #1 {
   store i32 %v, ptr addrspace(1) %out
   ret void
 }
+
+define void @test_i8(ptr addrspace(1) %out, i8 %src0) #1 {
+; GFX11-LABEL: test_i8:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    v_permlane64_b32 v2, v2
+; GFX11-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %v = call i8 @llvm.amdgcn.permlane64.i8(i8 %src0)
+  store i8 %v, ptr addrspace(1) %out
+  ret void
+}
+
+define void @test_i1(ptr addrspace(1) %out, i1 %src0) #1 {
+; GFX11-LABEL: test_i1:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    v_permlane64_b32 v2, v2
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX11-NEXT:    v_and_b32_e32 v2, 1, v2
+; GFX11-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %v = call i1 @llvm.amdgcn.permlane64.i1(i1 %src0)
+  store i1 %v, ptr addrspace(1) %out
+  ret void
+}
+
 ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
 ; GFX11-GISEL: {{.*}}
 ; GFX11-SDAG: {{.*}}
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.readfirstlane.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.readfirstlane.ll
index a3bd0aabd5c3f..5feaa57687fdf 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.readfirstlane.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.readfirstlane.ll
@@ -1729,3 +1729,50 @@ define void @test_readfirstlane_v32f16(ptr addrspace(1) %out, <32 x half> %src)
   ret void
 }
 
+define void @dpp8_i8(i8 %in, ptr addrspace(1) %out) {
+; CHECK-SDAG-LABEL: dpp8_i8:
+; CHECK-SDAG:       ; %bb.0:
+; CHECK-SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-SDAG-NEXT:    v_readfirstlane_b32 s4, v0
+; CHECK-SDAG-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-SDAG-NEXT:    flat_store_byte v[1:2], v0
+; CHECK-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; CHECK-SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; CHECK-GISEL-LABEL: dpp8_i8:
+; CHECK-GISEL:       ; %bb.0:
+; CHECK-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-GISEL-NEXT:    v_readfirstlane_b32 s4, v0
+; CHECK-GISEL-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-GISEL-NEXT:    flat_store_byte v[1:2], v0
+; CHECK-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; CHECK-GISEL-NEXT:    s_setpc_b64 s[30:31]
+  %tmp0 = call i8 @llvm.amdgcn.readfirstlane.i8(i8 %in)
+  store i8 %tmp0, ptr addrspace(1) %out
+  ret void
+}
+
+define void @dpp8_i1(i1 %in, ptr addrspace(1) %out) {
+; CHECK-SDAG-LABEL: dpp8_i1:
+; CHECK-SDAG:       ; %bb.0:
+; CHECK-SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-SDAG-NEXT:    v_readfirstlane_b32 s4, v0
+; CHECK-SDAG-NEXT:    s_and_b32 s4, s4, 1
+; CHECK-SDAG-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-SDAG-NEXT:    flat_store_byte v[1:2], v0
+; CHECK-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; CHECK-SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; CHECK-GISEL-LABEL: dpp8_i1:
+; CHECK-GISEL:       ; %bb.0:
+; CHECK-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-GISEL-NEXT:    v_readfirstlane_b32 s4, v0
+; CHECK-GISEL-NEXT:    s_and_b32 s4, s4, 1
+; CHECK-GISEL-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-GISEL-NEXT:    flat_store_byte v[1:2], v0
+; CHECK-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; CHECK-GISEL-NEXT:    s_setpc_b64 s[30:31]
+  %tmp0 = call i1 @llvm.amdgcn.readfirstlane.i1(i1 %in)
+  store i1 %tmp0, ptr addrspace(1) %out
+  ret void
+}
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.readlane.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.readlane.ll
index edb6ebcee1325..ececfd831c400 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.readlane.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.readlane.ll
@@ -894,6 +894,54 @@ define void @test_readlane_v8i16(ptr addrspace(1) %out, <8 x i16> %src, i32 %src
   ret void
 }
 
+define void @dpp8_i8(i8 %in, ptr addrspace(1) %out) {
+; CHECK-SDAG-LABEL: dpp8_i8:
+; CHECK-SDAG:       ; %bb.0:
+; CHECK-SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-SDAG-NEXT:    v_readlane_b32 s4, v0, 1
+; CHECK-SDAG-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-SDAG-NEXT:    flat_store_byte v[1:2], v0
+; CHECK-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; CHECK-SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; CHECK-GISEL-LABEL: dpp8_i8:
+; CHECK-GISEL:       ; %bb.0:
+; CHECK-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-GISEL-NEXT:    v_readlane_b32 s4, v0, 1
+; CHECK-GISEL-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-GISEL-NEXT:    flat_store_byte v[1:2], v0
+; CHECK-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; CHECK-GISEL-NEXT:    s_setpc_b64 s[30:31]
+  %tmp0 = call i8 @llvm.amdgcn.readlane.i8(i8 %in, i32 1)
+  store i8 %tmp0, ptr addrspace(1) %out
+  ret void
+}
+
+define void @dpp8_i1(i1 %in, ptr addrspace(1) %out) {
+; CHECK-SDAG-LABEL: dpp8_i1:
+; CHECK-SDAG:       ; %bb.0:
+; CHECK-SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-SDAG-NEXT:    v_readlane_b32 s4, v0, 1
+; CHECK-SDAG-NEXT:    s_and_b32 s4, s4, 1
+; CHECK-SDAG-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-SDAG-NEXT:    flat_store_byte v[1:2], v0
+; CHECK-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; CHECK-SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; CHECK-GISEL-LABEL: dpp8_i1:
+; CHECK-GISEL:       ; %bb.0:
+; CHECK-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-GISEL-NEXT:    v_readlane_b32 s4, v0, 1
+; CHECK-GISEL-NEXT:    s_and_b32 s4, s4, 1
+; CHECK-GISEL-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-GISEL-NEXT:    flat_store_byte v[1:2], v0
+; CHECK-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; CHECK-GISEL-NEXT:    s_setpc_b64 s[30:31]
+  %tmp0 = call i1 @llvm.amdgcn.readlane.i1(i1 %in, i32 1)
+  store i1 %tmp0, ptr addrspace(1) %out
+  ret void
+}
+
 declare i32 @llvm.amdgcn.workitem.id.x() #2
 
 attributes #0 = { nounwind readnone convergent }
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.set.inactive.chain.arg.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.set.inactive.chain.arg.ll
index fbf8c203dcb39..a9a03d3eefc2a 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.set.inactive.chain.arg.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.set.inactive.chain.arg.ll
@@ -861,6 +861,68 @@ define amdgpu_cs_chain void @set_inactive_chain_arg_last_vgpr(ptr addrspace(1) %
   ret void
 }
 
+define amdgpu_cs_chain void @set_inactive_chain_arg_i16(ptr addrspace(1) %out, i16 %inactive, i16 %active) {
+; GFX11-LABEL: set_inactive_chain_arg_i16:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_or_saveexec_b32 s0, -1
+; GFX11-NEXT:    v_mov_b32_e32 v0, v10
+; GFX11-NEXT:    s_mov_b32 exec_lo, s0
+; GFX11-NEXT:    s_or_saveexec_b32 s0, -1
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instid1(SALU_CYCLE_1)
+; GFX11-NEXT:    v_cndmask_b32_e64 v0, v0, v11, s0
+; GFX11-NEXT:    s_mov_b32 exec_lo, s0
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX11-NEXT:    v_mov_b32_e32 v1, v0
+; GFX11-NEXT:    global_store_b16 v[8:9], v1, off
+; GFX11-NEXT:    s_endpgm
+;
+; GFX10-LABEL: set_inactive_chain_arg_i16:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_or_saveexec_b32 s0, -1
+; GFX10-NEXT:    v_mov_b32_e32 v0, v10
+; GFX10-NEXT:    s_mov_b32 exec_lo, s0
+; GFX10-NEXT:    s_or_saveexec_b32 s0, -1
+; GFX10-NEXT:    v_cndmask_b32_e64 v0, v0, v11, s0
+; GFX10-NEXT:    s_mov_b32 exec_lo, s0
+; GFX10-NEXT:    v_mov_b32_e32 v1, v0
+; GFX10-NEXT:    global_store_short v[8:9], v1, off
+; GFX10-NEXT:    s_endpgm
+;
+; GFX11_W64-LABEL: set_inactive_chain_arg_i16:
+; GFX11_W64:       ; %bb.0:
+; GFX11_W64-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11_W64-NEXT:    s_or_saveexec_b64 s[0:1], -1
+; GFX11_W64-NEXT:    v_mov_b32_e32 v0, v10
+; GFX11_W64-NEXT:    s_mov_b64 exec, s[0:1]
+; GFX11_W64-NEXT:    s_or_saveexec_b64 s[0:1], -1
+; GFX11_W64-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instid1(SALU_CYCLE_1)
+; GFX11_W64-NEXT:    v_cndmask_b32_e64 v0, v0, v11, s[0:1]
+; GFX11_W64-NEXT:    s_mov_b64 exec, s[0:1]
+; GFX11_W64-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX11_W64-NEXT:    v_mov_b32_e32 v1, v0
+; GFX11_W64-NEXT:    global_store_b16 v[8:9], v1, off
+; GFX11_W64-NEXT:    s_endpgm
+;
+; GFX10_W64-LABEL: set_inactive_chain_arg_i16:
+; GFX10_W64:       ; %bb.0:
+; GFX10_W64-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10_W64-NEXT:    s_or_saveexec_b64 s[0:1], -1
+; GFX10_W64-NEXT:    v_mov_b32_e32 v0, v10
+; GFX10_W64-NEXT:    s_mov_b64 exec, s[0:1]
+; GFX10_W64-NEXT:    s_or_saveexec_b64 s[0:1], -1
+; GFX10_W64-NEXT:    v_cndmask_b32_e64 v0, v0, v11, s[0:1]
+; GFX10_W64-NEXT:    s_mov_b64 exec, s[0:1]
+; GFX10_W64-NEXT:    v_mov_b32_e32 v1, v0
+; GFX10_W64-NEXT:    global_store_short v[8:9], v1, off
+; GFX10_W64-NEXT:    s_endpgm
+  %tmp = call i16 @llvm.amdgcn.set.inactive.chain.arg.i16(i16 %active, i16 %inactive) #0
+  %wwm = call i16 @llvm.amdgcn.strict.wwm.i16(i16 %tmp)
+  store i16 %wwm, ptr addrspace(1) %out
+  ret void
+}
+
 declare i32 @llvm.amdgcn.set.inactive.chain.arg.i32(i32, i32) #0
 declare i64 @llvm.amdgcn.set.inactive.chain.arg.i64(i64, i64) #0
 declare i32 @llvm.amdgcn.update.dpp.i32(i32, i32, i32 immarg, i32 immarg, i32 immarg, i1 immarg)
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.set.inactive.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.set.inactive.ll
index 6cb2d6d55ea32..27da57289238e 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.set.inactive.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.set.inactive.ll
@@ -504,6 +504,29 @@ define amdgpu_kernel void @set_inactive_p6(ptr addrspace(1) %out, ptr addrspace(
   ret void
 }
 
+define void @set_inactive_i16(ptr addrspace(1) %out, i16 %in) {
+; GCN-LABEL: set_inactive_i16:
+; GCN:       ; %bb.0:
+; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GCN-NEXT:    s_xor_saveexec_b64 s[4:5], -1
+; GCN-NEXT:    buffer_store_dword v3, off, s[0:3], s32 ; 4-byte Folded Spill
+; GCN-NEXT:    s_mov_b64 exec, s[4:5]
+; GCN-NEXT:    s_or_saveexec_b64 s[4:5], -1
+; GCN-NEXT:    v_cndmask_b32_e64 v3, 3, v2, s[4:5]
+; GCN-NEXT:    s_mov_b64 exec, s[4:5]
+; GCN-NEXT:    v_mov_b32_e32 v2, v3
+; GCN-NEXT:    flat_store_short v[0:1], v2
+; GCN-NEXT:    s_xor_saveexec_b64 s[4:5], -1
+; GCN-NEXT:    buffer_load_dword v3, off, s[0:3], s32 ; 4-byte Folded Reload
+; GCN-NEXT:    s_mov_b64 exec, s[4:5]
+; GCN-NEXT:    s_waitcnt vmcnt(0)
+; GCN-NEXT:    s_setpc_b64 s[30:31]
+  %tmp.0 = call i16 @llvm.amdgcn.set.inactive.i16(i16 %in, i16 3) #0
+  %tmp = call i16 @llvm.amdgcn.strict.wwm.i16(i16 %tmp.0)
+  store i16 %tmp, ptr addrspace(1) %out
+  ret void
+}
+
 declare i32 @llvm.amdgcn.set.inactive.i32(i32, i32) #0
 declare i64 @llvm.amdgcn.set.inactive.i64(i64, i64) #0
 declare i32 @llvm.amdgcn.strict.wwm.i32(i32) #1
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.update.dpp.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.update.dpp.ll
index a7424831ae5db..a7a2141b4d569 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.update.dpp.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.update.dpp.ll
@@ -576,6 +576,24 @@ define amdgpu_kernel void @dpp_test_v2f16_imm_comb8(ptr addrspace(1) %out, <2 x
   ret void
 }
 
+; GCN-LABEL: {{^}}dpp_i8:
+; GCN: v_mov_b32_dpp v2, v2 quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1{{$}}
+; GCN: store_{{byte|b8}} v[0:1], v2
+define void @dpp_i8(ptr addrspace(1) %out, i8 %in) {
+  %tmp0 = call i8 @llvm.amdgcn.update.dpp.i8(i8 %in, i8 %in, i32 1, i32 1, i32 1, i1 false) #0
+  store i8 %tmp0, ptr addrspace(1) %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}dpp_i1:
+; GCN: v_mov_b32_dpp v2, v2 quad_perm:[1,0,0,0] row_mask:0x1 bank_mask:0x1{{$}}
+; GCN: store_{{byte|b8}} v[0:1], v2
+define void @dpp_i1(ptr addrspace(1) %out, i1 %in) {
+  %tmp0 = call i1 @llvm.amdgcn.update.dpp.i8(i1 %in, i1 %in, i32 1, i32 1, i32 1, i1 false) #0
+  store i1 %tmp0, ptr addrspace(1) %out
+  ret void
+}
+
 declare i32 @llvm.amdgcn.workitem.id.x()
 declare void @llvm.amdgcn.s.barrier()
 declare i32 @llvm.amdgcn.update.dpp.i32(i32, i32, i32, i32, i32, i1) #0
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.writelane.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.writelane.ll
index 6646818b7b36f..3020da9f6d3fc 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.writelane.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.writelane.ll
@@ -2700,6 +2700,168 @@ define void @test_writelane_v8i16(ptr addrspace(1) %out, <8 x i16> %src, i32 %sr
   ret void
 }
 
+define void @test_writelane_i8(ptr addrspace(1) %out, i8 %src, i32 %src1) {
+; GFX802-SDAG-LABEL: test_writelane_i8:
+; GFX802-SDAG:       ; %bb.0:
+; GFX802-SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX802-SDAG-NEXT:    flat_load_ubyte v4, v[0:1]
+; GFX802-SDAG-NEXT:    v_readfirstlane_b32 s4, v3
+; GFX802-SDAG-NEXT:    v_readfirstlane_b32 s5, v2
+; GFX802-SDAG-NEXT:    s_mov_b32 m0, s4
+; GFX802-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; GFX802-SDAG-NEXT:    v_writelane_b32 v4, s5, m0
+; GFX802-SDAG-NEXT:    flat_store_byte v[0:1], v4
+; GFX802-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; GFX802-SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1010-SDAG-LABEL: test_writelane_i8:
+; GFX1010-SDAG:       ; %bb.0:
+; GFX1010-SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1010-SDAG-NEXT:    global_load_ubyte v4, v[0:1], off
+; GFX1010-SDAG-NEXT:    v_readfirstlane_b32 s4, v2
+; GFX1010-SDAG-NEXT:    v_readfirstlane_b32 s5, v3
+; GFX1010-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; GFX1010-SDAG-NEXT:    v_writelane_b32 v4, s4, s5
+; GFX1010-SDAG-NEXT:    global_store_byte v[0:1], v4, off
+; GFX1010-SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1100-SDAG-LABEL: test_writelane_i8:
+; GFX1100-SDAG:       ; %bb.0:
+; GFX1100-SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1100-SDAG-NEXT:    global_load_u8 v4, v[0:1], off
+; GFX1100-SDAG-NEXT:    v_readfirstlane_b32 s0, v2
+; GFX1100-SDAG-NEXT:    v_readfirstlane_b32 s1, v3
+; GFX1100-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; GFX1100-SDAG-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX1100-SDAG-NEXT:    v_writelane_b32 v4, s0, s1
+; GFX1100-SDAG-NEXT:    global_store_b8 v[0:1], v4, off
+; GFX1100-SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX802-GISEL-LABEL: test_writelane_i8:
+; GFX802-GISEL:       ; %bb.0:
+; GFX802-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX802-GISEL-NEXT:    flat_load_ubyte v4, v[0:1]
+; GFX802-GISEL-NEXT:    v_readfirstlane_b32 s5, v3
+; GFX802-GISEL-NEXT:    v_readfirstlane_b32 s4, v2
+; GFX802-GISEL-NEXT:    s_mov_b32 m0, s5
+; GFX802-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX802-GISEL-NEXT:    v_writelane_b32 v4, s4, m0
+; GFX802-GISEL-NEXT:    flat_store_byte v[0:1], v4
+; GFX802-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX802-GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1010-GISEL-LABEL: test_writelane_i8:
+; GFX1010-GISEL:       ; %bb.0:
+; GFX1010-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1010-GISEL-NEXT:    global_load_ubyte v4, v[0:1], off
+; GFX1010-GISEL-NEXT:    v_readfirstlane_b32 s4, v2
+; GFX1010-GISEL-NEXT:    v_readfirstlane_b32 s5, v3
+; GFX1010-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX1010-GISEL-NEXT:    v_writelane_b32 v4, s4, s5
+; GFX1010-GISEL-NEXT:    global_store_byte v[0:1], v4, off
+; GFX1010-GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1100-GISEL-LABEL: test_writelane_i8:
+; GFX1100-GISEL:       ; %bb.0:
+; GFX1100-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1100-GISEL-NEXT:    global_load_u8 v4, v[0:1], off
+; GFX1100-GISEL-NEXT:    v_readfirstlane_b32 s0, v2
+; GFX1100-GISEL-NEXT:    v_readfirstlane_b32 s1, v3
+; GFX1100-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX1100-GISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX1100-GISEL-NEXT:    v_writelane_b32 v4, s0, s1
+; GFX1100-GISEL-NEXT:    global_store_b8 v[0:1], v4, off
+; GFX1100-GISEL-NEXT:    s_setpc_b64 s[30:31]
+  %oldval = load i8, ptr addrspace(1) %out
+  %writelane = call i8 @llvm.amdgcn.writelane.i8(i8 %src, i32 %src1, i8 %oldval)
+  store i8 %writelane, ptr addrspace(1) %out
+  ret void
+}
+
+define void @test_writelane_i1(ptr addrspace(1) %out, i1 %src, i32 %src1) {
+; GFX802-SDAG-LABEL: test_writelane_i1:
+; GFX802-SDAG:       ; %bb.0:
+; GFX802-SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX802-SDAG-NEXT:    flat_load_ubyte v4, v[0:1]
+; GFX802-SDAG-NEXT:    v_readfirstlane_b32 s4, v3
+; GFX802-SDAG-NEXT:    v_readfirstlane_b32 s5, v2
+; GFX802-SDAG-NEXT:    s_mov_b32 m0, s4
+; GFX802-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; GFX802-SDAG-NEXT:    v_writelane_b32 v4, s5, m0
+; GFX802-SDAG-NEXT:    v_and_b32_e32 v2, 1, v4
+; GFX802-SDAG-NEXT:    flat_store_byte v[0:1], v2
+; GFX802-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; GFX802-SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1010-SDAG-LABEL: test_writelane_i1:
+; GFX1010-SDAG:       ; %bb.0:
+; GFX1010-SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1010-SDAG-NEXT:    global_load_ubyte v4, v[0:1], off
+; GFX1010-SDAG-NEXT:    v_readfirstlane_b32 s4, v2
+; GFX1010-SDAG-NEXT:    v_readfirstlane_b32 s5, v3
+; GFX1010-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; GFX1010-SDAG-NEXT:    v_writelane_b32 v4, s4, s5
+; GFX1010-SDAG-NEXT:    v_and_b32_e32 v2, 1, v4
+; GFX1010-SDAG-NEXT:    global_store_byte v[0:1], v2, off
+; GFX1010-SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1100-SDAG-LABEL: test_writelane_i1:
+; GFX1100-SDAG:       ; %bb.0:
+; GFX1100-SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1100-SDAG-NEXT:    global_load_u8 v4, v[0:1], off
+; GFX1100-SDAG-NEXT:    v_readfirstlane_b32 s0, v2
+; GFX1100-SDAG-NEXT:    v_readfirstlane_b32 s1, v3
+; GFX1100-SDAG-NEXT:    s_waitcnt vmcnt(0)
+; GFX1100-SDAG-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
+; GFX1100-SDAG-NEXT:    v_writelane_b32 v4, s0, s1
+; GFX1100-SDAG-NEXT:    v_and_b32_e32 v2, 1, v4
+; GFX1100-SDAG-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX1100-SDAG-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX802-GISEL-LABEL: test_writelane_i1:
+; GFX802-GISEL:       ; %bb.0:
+; GFX802-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX802-GISEL-NEXT:    flat_load_ubyte v4, v[0:1]
+; GFX802-GISEL-NEXT:    v_readfirstlane_b32 s5, v3
+; GFX802-GISEL-NEXT:    v_readfirstlane_b32 s4, v2
+; GFX802-GISEL-NEXT:    s_mov_b32 m0, s5
+; GFX802-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX802-GISEL-NEXT:    v_writelane_b32 v4, s4, m0
+; GFX802-GISEL-NEXT:    v_and_b32_e32 v2, 1, v4
+; GFX802-GISEL-NEXT:    flat_store_byte v[0:1], v2
+; GFX802-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX802-GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1010-GISEL-LABEL: test_writelane_i1:
+; GFX1010-GISEL:       ; %bb.0:
+; GFX1010-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1010-GISEL-NEXT:    global_load_ubyte v4, v[0:1], off
+; GFX1010-GISEL-NEXT:    v_readfirstlane_b32 s4, v2
+; GFX1010-GISEL-NEXT:    v_readfirstlane_b32 s5, v3
+; GFX1010-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX1010-GISEL-NEXT:    v_writelane_b32 v4, s4, s5
+; GFX1010-GISEL-NEXT:    v_and_b32_e32 v2, 1, v4
+; GFX1010-GISEL-NEXT:    global_store_byte v[0:1], v2, off
+; GFX1010-GISEL-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1100-GISEL-LABEL: test_writelane_i1:
+; GFX1100-GISEL:       ; %bb.0:
+; GFX1100-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1100-GISEL-NEXT:    global_load_u8 v4, v[0:1], off
+; GFX1100-GISEL-NEXT:    v_readfirstlane_b32 s0, v2
+; GFX1100-GISEL-NEXT:    v_readfirstlane_b32 s1, v3
+; GFX1100-GISEL-NEXT:    s_waitcnt vmcnt(0)
+; GFX1100-GISEL-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
+; GFX1100-GISEL-NEXT:    v_writelane_b32 v4, s0, s1
+; GFX1100-GISEL-NEXT:    v_and_b32_e32 v2, 1, v4
+; GFX1100-GISEL-NEXT:    global_store_b8 v[0:1], v2, off
+; GFX1100-GISEL-NEXT:    s_setpc_b64 s[30:31]
+  %oldval = load i1, ptr addrspace(1) %out
+  %writelane = call i1 @llvm.amdgcn.writelane.i1(i1 %src, i32 %src1, i1 %oldval)
+  store i1 %writelane, ptr addrspace(1) %out
+  ret void
+}
+
 declare i32 @llvm.amdgcn.workitem.id.x() #2
 
 attributes #0 = { nounwind readnone convergent }