--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/llvm/test/CodeGen/AMDGPU/ds-combine-large-stride.ll	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,440 @@
+; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=tonga -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,VI %s
+; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX9 %s
+
+; GCN-LABEL: ds_read32_combine_stride_400:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+
+; VI-DAG: v_add_u32_e32 [[B1:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B2:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B3:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+
+; GFX9-DAG: v_add_u32_e32 [[B1:v[0-9]+]], 0x320, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B2:v[0-9]+]], 0x640, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B3:v[0-9]+]], 0x960, [[BASE]]
+
+; GCN-DAG: ds_read2_b32  v[{{[0-9]+:[0-9]+}}], [[BASE]] offset1:100
+; GCN-DAG: ds_read2_b32  v[{{[0-9]+:[0-9]+}}], [[B1]] offset1:100
+; GCN-DAG: ds_read2_b32  v[{{[0-9]+:[0-9]+}}], [[B2]] offset1:100
+; GCN-DAG: ds_read2_b32  v[{{[0-9]+:[0-9]+}}], [[B3]] offset1:100
+define amdgpu_kernel void @ds_read32_combine_stride_400(float addrspace(3)* nocapture readonly %arg, float *nocapture %arg1) {
+bb:
+  %tmp = load float, float addrspace(3)* %arg, align 4
+  %tmp2 = fadd float %tmp, 0.000000e+00
+  %tmp3 = getelementptr inbounds float, float addrspace(3)* %arg, i32 100
+  %tmp4 = load float, float addrspace(3)* %tmp3, align 4
+  %tmp5 = fadd float %tmp2, %tmp4
+  %tmp6 = getelementptr inbounds float, float addrspace(3)* %arg, i32 200
+  %tmp7 = load float, float addrspace(3)* %tmp6, align 4
+  %tmp8 = fadd float %tmp5, %tmp7
+  %tmp9 = getelementptr inbounds float, float addrspace(3)* %arg, i32 300
+  %tmp10 = load float, float addrspace(3)* %tmp9, align 4
+  %tmp11 = fadd float %tmp8, %tmp10
+  %tmp12 = getelementptr inbounds float, float addrspace(3)* %arg, i32 400
+  %tmp13 = load float, float addrspace(3)* %tmp12, align 4
+  %tmp14 = fadd float %tmp11, %tmp13
+  %tmp15 = getelementptr inbounds float, float addrspace(3)* %arg, i32 500
+  %tmp16 = load float, float addrspace(3)* %tmp15, align 4
+  %tmp17 = fadd float %tmp14, %tmp16
+  %tmp18 = getelementptr inbounds float, float addrspace(3)* %arg, i32 600
+  %tmp19 = load float, float addrspace(3)* %tmp18, align 4
+  %tmp20 = fadd float %tmp17, %tmp19
+  %tmp21 = getelementptr inbounds float, float addrspace(3)* %arg, i32 700
+  %tmp22 = load float, float addrspace(3)* %tmp21, align 4
+  %tmp23 = fadd float %tmp20, %tmp22
+  store float %tmp23, float *%arg1, align 4
+  ret void
+}
+
+; GCN-LABEL: ds_read32_combine_stride_400_back:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+
+; VI-DAG: v_add_u32_e32 [[B1:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B2:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B3:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+
+; GFX9-DAG: v_add_u32_e32 [[B1:v[0-9]+]], 0x320, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B2:v[0-9]+]], 0x640, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B3:v[0-9]+]], 0x960, [[BASE]]
+
+; GCN-DAG: ds_read2_b32  v[{{[0-9]+:[0-9]+}}], [[BASE]] offset1:100
+; GCN-DAG: ds_read2_b32  v[{{[0-9]+:[0-9]+}}], [[B1]] offset1:100
+; GCN-DAG: ds_read2_b32  v[{{[0-9]+:[0-9]+}}], [[B2]] offset1:100
+; GCN-DAG: ds_read2_b32  v[{{[0-9]+:[0-9]+}}], [[B3]] offset1:100
+define amdgpu_kernel void @ds_read32_combine_stride_400_back(float addrspace(3)* nocapture readonly %arg, float *nocapture %arg1) {
+bb:
+  %tmp = getelementptr inbounds float, float addrspace(3)* %arg, i32 700
+  %tmp2 = load float, float addrspace(3)* %tmp, align 4
+  %tmp3 = fadd float %tmp2, 0.000000e+00
+  %tmp4 = getelementptr inbounds float, float addrspace(3)* %arg, i32 600
+  %tmp5 = load float, float addrspace(3)* %tmp4, align 4
+  %tmp6 = fadd float %tmp3, %tmp5
+  %tmp7 = getelementptr inbounds float, float addrspace(3)* %arg, i32 500
+  %tmp8 = load float, float addrspace(3)* %tmp7, align 4
+  %tmp9 = fadd float %tmp6, %tmp8
+  %tmp10 = getelementptr inbounds float, float addrspace(3)* %arg, i32 400
+  %tmp11 = load float, float addrspace(3)* %tmp10, align 4
+  %tmp12 = fadd float %tmp9, %tmp11
+  %tmp13 = getelementptr inbounds float, float addrspace(3)* %arg, i32 300
+  %tmp14 = load float, float addrspace(3)* %tmp13, align 4
+  %tmp15 = fadd float %tmp12, %tmp14
+  %tmp16 = getelementptr inbounds float, float addrspace(3)* %arg, i32 200
+  %tmp17 = load float, float addrspace(3)* %tmp16, align 4
+  %tmp18 = fadd float %tmp15, %tmp17
+  %tmp19 = getelementptr inbounds float, float addrspace(3)* %arg, i32 100
+  %tmp20 = load float, float addrspace(3)* %tmp19, align 4
+  %tmp21 = fadd float %tmp18, %tmp20
+  %tmp22 = load float, float addrspace(3)* %arg, align 4
+  %tmp23 = fadd float %tmp21, %tmp22
+  store float %tmp23, float *%arg1, align 4
+  ret void
+}
+
+; GCN-LABEL: ds_read32_combine_stride_8192:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+; GCN-DAG: ds_read2st64_b32 v[{{[0-9]+:[0-9]+}}], [[BASE]] offset1:32
+; GCN-DAG: ds_read2st64_b32 v[{{[0-9]+:[0-9]+}}], [[BASE]] offset0:64 offset1:96
+; GCN-DAG: ds_read2st64_b32 v[{{[0-9]+:[0-9]+}}], [[BASE]] offset0:128 offset1:160
+; GCN-DAG: ds_read2st64_b32 v[{{[0-9]+:[0-9]+}}], [[BASE]] offset0:192 offset1:224
+define amdgpu_kernel void @ds_read32_combine_stride_8192(float addrspace(3)* nocapture readonly %arg, float *nocapture %arg1) {
+bb:
+  %tmp = load float, float addrspace(3)* %arg, align 4
+  %tmp2 = fadd float %tmp, 0.000000e+00
+  %tmp3 = getelementptr inbounds float, float addrspace(3)* %arg, i32 2048
+  %tmp4 = load float, float addrspace(3)* %tmp3, align 4
+  %tmp5 = fadd float %tmp2, %tmp4
+  %tmp6 = getelementptr inbounds float, float addrspace(3)* %arg, i32 4096
+  %tmp7 = load float, float addrspace(3)* %tmp6, align 4
+  %tmp8 = fadd float %tmp5, %tmp7
+  %tmp9 = getelementptr inbounds float, float addrspace(3)* %arg, i32 6144
+  %tmp10 = load float, float addrspace(3)* %tmp9, align 4
+  %tmp11 = fadd float %tmp8, %tmp10
+  %tmp12 = getelementptr inbounds float, float addrspace(3)* %arg, i32 8192
+  %tmp13 = load float, float addrspace(3)* %tmp12, align 4
+  %tmp14 = fadd float %tmp11, %tmp13
+  %tmp15 = getelementptr inbounds float, float addrspace(3)* %arg, i32 10240
+  %tmp16 = load float, float addrspace(3)* %tmp15, align 4
+  %tmp17 = fadd float %tmp14, %tmp16
+  %tmp18 = getelementptr inbounds float, float addrspace(3)* %arg, i32 12288
+  %tmp19 = load float, float addrspace(3)* %tmp18, align 4
+  %tmp20 = fadd float %tmp17, %tmp19
+  %tmp21 = getelementptr inbounds float, float addrspace(3)* %arg, i32 14336
+  %tmp22 = load float, float addrspace(3)* %tmp21, align 4
+  %tmp23 = fadd float %tmp20, %tmp22
+  store float %tmp23, float *%arg1, align 4
+  ret void
+}
+
+; GCN-LABEL: ds_read32_combine_stride_8192_shifted:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+
+; VI-DAG: v_add_u32_e32 [[B1:v[0-9]+]], vcc, 8, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B2:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B3:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+
+; GFX9-DAG: v_add_u32_e32 [[B1:v[0-9]+]], 8, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B2:v[0-9]+]], 0x4008, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B3:v[0-9]+]], 0x8008, [[BASE]]
+
+; GCN-DAG: ds_read2st64_b32 v[{{[0-9]+:[0-9]+}}], [[B1]] offset1:32
+; GCN-DAG: ds_read2st64_b32 v[{{[0-9]+:[0-9]+}}], [[B2]] offset1:32
+; GCN-DAG: ds_read2st64_b32 v[{{[0-9]+:[0-9]+}}], [[B3]] offset1:32
+define amdgpu_kernel void @ds_read32_combine_stride_8192_shifted(float addrspace(3)* nocapture readonly %arg, float *nocapture %arg1) {
+bb:
+  %tmp = getelementptr inbounds float, float addrspace(3)* %arg, i32 2
+  %tmp2 = load float, float addrspace(3)* %tmp, align 4
+  %tmp3 = fadd float %tmp2, 0.000000e+00
+  %tmp4 = getelementptr inbounds float, float addrspace(3)* %arg, i32 2050
+  %tmp5 = load float, float addrspace(3)* %tmp4, align 4
+  %tmp6 = fadd float %tmp3, %tmp5
+  %tmp7 = getelementptr inbounds float, float addrspace(3)* %arg, i32 4098
+  %tmp8 = load float, float addrspace(3)* %tmp7, align 4
+  %tmp9 = fadd float %tmp6, %tmp8
+  %tmp10 = getelementptr inbounds float, float addrspace(3)* %arg, i32 6146
+  %tmp11 = load float, float addrspace(3)* %tmp10, align 4
+  %tmp12 = fadd float %tmp9, %tmp11
+  %tmp13 = getelementptr inbounds float, float addrspace(3)* %arg, i32 8194
+  %tmp14 = load float, float addrspace(3)* %tmp13, align 4
+  %tmp15 = fadd float %tmp12, %tmp14
+  %tmp16 = getelementptr inbounds float, float addrspace(3)* %arg, i32 10242
+  %tmp17 = load float, float addrspace(3)* %tmp16, align 4
+  %tmp18 = fadd float %tmp15, %tmp17
+  store float %tmp18, float *%arg1, align 4
+  ret void
+}
+
+; GCN-LABEL: ds_read64_combine_stride_400:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+
+; VI-DAG: v_add_u32_e32 [[B1:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B1:v[0-9]+]], 0x960, [[BASE]]
+
+; GCN-DAG: ds_read2_b64  v[{{[0-9]+:[0-9]+}}], [[BASE]] offset1:50
+; GCN-DAG: ds_read2_b64  v[{{[0-9]+:[0-9]+}}], [[BASE]] offset0:100 offset1:150
+; GCN-DAG: ds_read2_b64  v[{{[0-9]+:[0-9]+}}], [[BASE]] offset0:200 offset1:250
+; GCN-DAG: ds_read2_b64  v[{{[0-9]+:[0-9]+}}], [[B1]] offset1:50
+define amdgpu_kernel void @ds_read64_combine_stride_400(double addrspace(3)* nocapture readonly %arg, double *nocapture %arg1) {
+bb:
+  %tmp = load double, double addrspace(3)* %arg, align 8
+  %tmp2 = fadd double %tmp, 0.000000e+00
+  %tmp3 = getelementptr inbounds double, double addrspace(3)* %arg, i32 50
+  %tmp4 = load double, double addrspace(3)* %tmp3, align 8
+  %tmp5 = fadd double %tmp2, %tmp4
+  %tmp6 = getelementptr inbounds double, double addrspace(3)* %arg, i32 100
+  %tmp7 = load double, double addrspace(3)* %tmp6, align 8
+  %tmp8 = fadd double %tmp5, %tmp7
+  %tmp9 = getelementptr inbounds double, double addrspace(3)* %arg, i32 150
+  %tmp10 = load double, double addrspace(3)* %tmp9, align 8
+  %tmp11 = fadd double %tmp8, %tmp10
+  %tmp12 = getelementptr inbounds double, double addrspace(3)* %arg, i32 200
+  %tmp13 = load double, double addrspace(3)* %tmp12, align 8
+  %tmp14 = fadd double %tmp11, %tmp13
+  %tmp15 = getelementptr inbounds double, double addrspace(3)* %arg, i32 250
+  %tmp16 = load double, double addrspace(3)* %tmp15, align 8
+  %tmp17 = fadd double %tmp14, %tmp16
+  %tmp18 = getelementptr inbounds double, double addrspace(3)* %arg, i32 300
+  %tmp19 = load double, double addrspace(3)* %tmp18, align 8
+  %tmp20 = fadd double %tmp17, %tmp19
+  %tmp21 = getelementptr inbounds double, double addrspace(3)* %arg, i32 350
+  %tmp22 = load double, double addrspace(3)* %tmp21, align 8
+  %tmp23 = fadd double %tmp20, %tmp22
+  store double %tmp23, double *%arg1, align 8
+  ret void
+}
+
+; GCN-LABEL: ds_read64_combine_stride_8192_shifted:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+
+; VI-DAG: v_add_u32_e32 [[B1:v[0-9]+]], vcc, 8, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B2:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B3:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+
+; GFX9-DAG: v_add_u32_e32 [[B1:v[0-9]+]], 8, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B2:v[0-9]+]], 0x4008, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B3:v[0-9]+]], 0x8008, [[BASE]]
+
+; GCN-DAG: ds_read2st64_b64 v[{{[0-9]+:[0-9]+}}], [[B1]] offset1:16
+; GCN-DAG: ds_read2st64_b64 v[{{[0-9]+:[0-9]+}}], [[B2]] offset1:16
+; GCN-DAG: ds_read2st64_b64 v[{{[0-9]+:[0-9]+}}], [[B3]] offset1:16
+define amdgpu_kernel void @ds_read64_combine_stride_8192_shifted(double addrspace(3)* nocapture readonly %arg, double *nocapture %arg1) {
+bb:
+  %tmp = getelementptr inbounds double, double addrspace(3)* %arg, i32 1
+  %tmp2 = load double, double addrspace(3)* %tmp, align 8
+  %tmp3 = fadd double %tmp2, 0.000000e+00
+  %tmp4 = getelementptr inbounds double, double addrspace(3)* %arg, i32 1025
+  %tmp5 = load double, double addrspace(3)* %tmp4, align 8
+  %tmp6 = fadd double %tmp3, %tmp5
+  %tmp7 = getelementptr inbounds double, double addrspace(3)* %arg, i32 2049
+  %tmp8 = load double, double addrspace(3)* %tmp7, align 8
+  %tmp9 = fadd double %tmp6, %tmp8
+  %tmp10 = getelementptr inbounds double, double addrspace(3)* %arg, i32 3073
+  %tmp11 = load double, double addrspace(3)* %tmp10, align 8
+  %tmp12 = fadd double %tmp9, %tmp11
+  %tmp13 = getelementptr inbounds double, double addrspace(3)* %arg, i32 4097
+  %tmp14 = load double, double addrspace(3)* %tmp13, align 8
+  %tmp15 = fadd double %tmp12, %tmp14
+  %tmp16 = getelementptr inbounds double, double addrspace(3)* %arg, i32 5121
+  %tmp17 = load double, double addrspace(3)* %tmp16, align 8
+  %tmp18 = fadd double %tmp15, %tmp17
+  store double %tmp18, double *%arg1, align 8
+  ret void
+}
+
+; GCN-LABEL: ds_write32_combine_stride_400:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+
+; VI-DAG: v_add_u32_e32 [[B1:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B2:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B3:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+
+; GFX9-DAG: v_add_u32_e32 [[B1:v[0-9]+]], 0x320, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B2:v[0-9]+]], 0x640, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B3:v[0-9]+]], 0x960, [[BASE]]
+
+; GCN-DAG: ds_write2_b32 [[BASE]], v{{[0-9]+}}, v{{[0-9]+}} offset1:100
+; GCN-DAG: ds_write2_b32 [[B1]], v{{[0-9]+}}, v{{[0-9]+}} offset1:100
+; GCN-DAG: ds_write2_b32 [[B2]], v{{[0-9]+}}, v{{[0-9]+}} offset1:100
+; GCN-DAG: ds_write2_b32 [[B3]], v{{[0-9]+}}, v{{[0-9]+}} offset1:100
+define amdgpu_kernel void @ds_write32_combine_stride_400(float addrspace(3)* nocapture %arg) {
+bb:
+  store float 1.000000e+00, float addrspace(3)* %arg, align 4
+  %tmp = getelementptr inbounds float, float addrspace(3)* %arg, i32 100
+  store float 1.000000e+00, float addrspace(3)* %tmp, align 4
+  %tmp1 = getelementptr inbounds float, float addrspace(3)* %arg, i32 200
+  store float 1.000000e+00, float addrspace(3)* %tmp1, align 4
+  %tmp2 = getelementptr inbounds float, float addrspace(3)* %arg, i32 300
+  store float 1.000000e+00, float addrspace(3)* %tmp2, align 4
+  %tmp3 = getelementptr inbounds float, float addrspace(3)* %arg, i32 400
+  store float 1.000000e+00, float addrspace(3)* %tmp3, align 4
+  %tmp4 = getelementptr inbounds float, float addrspace(3)* %arg, i32 500
+  store float 1.000000e+00, float addrspace(3)* %tmp4, align 4
+  %tmp5 = getelementptr inbounds float, float addrspace(3)* %arg, i32 600
+  store float 1.000000e+00, float addrspace(3)* %tmp5, align 4
+  %tmp6 = getelementptr inbounds float, float addrspace(3)* %arg, i32 700
+  store float 1.000000e+00, float addrspace(3)* %tmp6, align 4
+  ret void
+}
+
+; GCN-LABEL: ds_write32_combine_stride_400_back:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+
+; VI-DAG: v_add_u32_e32 [[B1:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B2:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B3:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+
+; GFX9-DAG: v_add_u32_e32 [[B1:v[0-9]+]], 0x320, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B2:v[0-9]+]], 0x640, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B3:v[0-9]+]], 0x960, [[BASE]]
+
+; GCN-DAG: ds_write2_b32 [[BASE]], v{{[0-9]+}}, v{{[0-9]+}} offset1:100
+; GCN-DAG: ds_write2_b32 [[B1]], v{{[0-9]+}}, v{{[0-9]+}} offset1:100
+; GCN-DAG: ds_write2_b32 [[B2]], v{{[0-9]+}}, v{{[0-9]+}} offset1:100
+; GCN-DAG: ds_write2_b32 [[B3]], v{{[0-9]+}}, v{{[0-9]+}} offset1:100
+define amdgpu_kernel void @ds_write32_combine_stride_400_back(float addrspace(3)* nocapture %arg) {
+bb:
+  %tmp = getelementptr inbounds float, float addrspace(3)* %arg, i32 700
+  store float 1.000000e+00, float addrspace(3)* %tmp, align 4
+  %tmp1 = getelementptr inbounds float, float addrspace(3)* %arg, i32 600
+  store float 1.000000e+00, float addrspace(3)* %tmp1, align 4
+  %tmp2 = getelementptr inbounds float, float addrspace(3)* %arg, i32 500
+  store float 1.000000e+00, float addrspace(3)* %tmp2, align 4
+  %tmp3 = getelementptr inbounds float, float addrspace(3)* %arg, i32 400
+  store float 1.000000e+00, float addrspace(3)* %tmp3, align 4
+  %tmp4 = getelementptr inbounds float, float addrspace(3)* %arg, i32 300
+  store float 1.000000e+00, float addrspace(3)* %tmp4, align 4
+  %tmp5 = getelementptr inbounds float, float addrspace(3)* %arg, i32 200
+  store float 1.000000e+00, float addrspace(3)* %tmp5, align 4
+  %tmp6 = getelementptr inbounds float, float addrspace(3)* %arg, i32 100
+  store float 1.000000e+00, float addrspace(3)* %tmp6, align 4
+  store float 1.000000e+00, float addrspace(3)* %arg, align 4
+  ret void
+}
+
+; GCN-LABEL: ds_write32_combine_stride_8192:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+; GCN-DAG: ds_write2st64_b32 [[BASE]], v{{[0-9]+}}, v{{[0-9]+}} offset1:32
+; GCN-DAG: ds_write2st64_b32 [[BASE]], v{{[0-9]+}}, v{{[0-9]+}} offset0:64 offset1:96
+; GCN-DAG: ds_write2st64_b32 [[BASE]], v{{[0-9]+}}, v{{[0-9]+}} offset0:128 offset1:160
+; GCN-DAG: ds_write2st64_b32 [[BASE]], v{{[0-9]+}}, v{{[0-9]+}} offset0:192 offset1:224
+define amdgpu_kernel void @ds_write32_combine_stride_8192(float addrspace(3)* nocapture %arg) {
+bb:
+  store float 1.000000e+00, float addrspace(3)* %arg, align 4
+  %tmp = getelementptr inbounds float, float addrspace(3)* %arg, i32 2048
+  store float 1.000000e+00, float addrspace(3)* %tmp, align 4
+  %tmp1 = getelementptr inbounds float, float addrspace(3)* %arg, i32 4096
+  store float 1.000000e+00, float addrspace(3)* %tmp1, align 4
+  %tmp2 = getelementptr inbounds float, float addrspace(3)* %arg, i32 6144
+  store float 1.000000e+00, float addrspace(3)* %tmp2, align 4
+  %tmp3 = getelementptr inbounds float, float addrspace(3)* %arg, i32 8192
+  store float 1.000000e+00, float addrspace(3)* %tmp3, align 4
+  %tmp4 = getelementptr inbounds float, float addrspace(3)* %arg, i32 10240
+  store float 1.000000e+00, float addrspace(3)* %tmp4, align 4
+  %tmp5 = getelementptr inbounds float, float addrspace(3)* %arg, i32 12288
+  store float 1.000000e+00, float addrspace(3)* %tmp5, align 4
+  %tmp6 = getelementptr inbounds float, float addrspace(3)* %arg, i32 14336
+  store float 1.000000e+00, float addrspace(3)* %tmp6, align 4
+  ret void
+}
+
+; GCN-LABEL: ds_write32_combine_stride_8192_shifted:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+
+; VI-DAG: v_add_u32_e32 [[B1:v[0-9]+]], vcc, 4, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B2:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B3:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+
+; GFX9-DAG: v_add_u32_e32 [[B1:v[0-9]+]], 4, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B2:v[0-9]+]], 0x4004, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B3:v[0-9]+]], 0x8004, [[BASE]]
+
+; GCN-DAG: ds_write2st64_b32 [[B1]], v{{[0-9]+}}, v{{[0-9]+}} offset1:32
+; GCN-DAG: ds_write2st64_b32 [[B2]], v{{[0-9]+}}, v{{[0-9]+}} offset1:32
+; GCN-DAG: ds_write2st64_b32 [[B3]], v{{[0-9]+}}, v{{[0-9]+}} offset1:32
+define amdgpu_kernel void @ds_write32_combine_stride_8192_shifted(float addrspace(3)* nocapture %arg) {
+bb:
+  %tmp = getelementptr inbounds float, float addrspace(3)* %arg, i32 1
+  store float 1.000000e+00, float addrspace(3)* %tmp, align 4
+  %tmp1 = getelementptr inbounds float, float addrspace(3)* %arg, i32 2049
+  store float 1.000000e+00, float addrspace(3)* %tmp1, align 4
+  %tmp2 = getelementptr inbounds float, float addrspace(3)* %arg, i32 4097
+  store float 1.000000e+00, float addrspace(3)* %tmp2, align 4
+  %tmp3 = getelementptr inbounds float, float addrspace(3)* %arg, i32 6145
+  store float 1.000000e+00, float addrspace(3)* %tmp3, align 4
+  %tmp4 = getelementptr inbounds float, float addrspace(3)* %arg, i32 8193
+  store float 1.000000e+00, float addrspace(3)* %tmp4, align 4
+  %tmp5 = getelementptr inbounds float, float addrspace(3)* %arg, i32 10241
+  store float 1.000000e+00, float addrspace(3)* %tmp5, align 4
+  ret void
+}
+
+; GCN-LABEL: ds_write64_combine_stride_400:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+
+; VI-DAG: v_add_u32_e32 [[B1:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B1:v[0-9]+]], 0x960, [[BASE]]
+
+; GCN-DAG: ds_write2_b64 [[BASE]], v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}] offset1:50
+; GCN-DAG: ds_write2_b64 [[BASE]], v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}] offset0:100 offset1:150
+; GCN-DAG: ds_write2_b64 [[BASE]], v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}] offset0:200 offset1:250
+; GCN-DAG: ds_write2_b64 [[B1]],   v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}] offset1:50
+define amdgpu_kernel void @ds_write64_combine_stride_400(double addrspace(3)* nocapture %arg) {
+bb:
+  store double 1.000000e+00, double addrspace(3)* %arg, align 8
+  %tmp = getelementptr inbounds double, double addrspace(3)* %arg, i32 50
+  store double 1.000000e+00, double addrspace(3)* %tmp, align 8
+  %tmp1 = getelementptr inbounds double, double addrspace(3)* %arg, i32 100
+  store double 1.000000e+00, double addrspace(3)* %tmp1, align 8
+  %tmp2 = getelementptr inbounds double, double addrspace(3)* %arg, i32 150
+  store double 1.000000e+00, double addrspace(3)* %tmp2, align 8
+  %tmp3 = getelementptr inbounds double, double addrspace(3)* %arg, i32 200
+  store double 1.000000e+00, double addrspace(3)* %tmp3, align 8
+  %tmp4 = getelementptr inbounds double, double addrspace(3)* %arg, i32 250
+  store double 1.000000e+00, double addrspace(3)* %tmp4, align 8
+  %tmp5 = getelementptr inbounds double, double addrspace(3)* %arg, i32 300
+  store double 1.000000e+00, double addrspace(3)* %tmp5, align 8
+  %tmp6 = getelementptr inbounds double, double addrspace(3)* %arg, i32 350
+  store double 1.000000e+00, double addrspace(3)* %tmp6, align 8
+  ret void
+}
+
+; GCN-LABEL: ds_write64_combine_stride_8192_shifted:
+; GCN:     s_load_dword [[ARG:s[0-9]+]], s[4:5], 0x0
+; GCN:     v_mov_b32_e32 [[BASE:v[0-9]+]], [[ARG]]
+
+; VI-DAG: v_add_u32_e32 [[B1:v[0-9]+]], vcc, 8, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B2:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+; VI-DAG: v_add_u32_e32 [[B3:v[0-9]+]], vcc, {{s[0-9]+}}, [[BASE]]
+
+; GFX9-DAG: v_add_u32_e32 [[B1:v[0-9]+]], 8, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B2:v[0-9]+]], 0x4008, [[BASE]]
+; GFX9-DAG: v_add_u32_e32 [[B3:v[0-9]+]], 0x8008, [[BASE]]
+
+; GCN-DAG: ds_write2st64_b64 [[B1]], v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}] offset1:16
+; GCN-DAG: ds_write2st64_b64 [[B2]], v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}] offset1:16
+; GCN-DAG: ds_write2st64_b64 [[B3]], v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}] offset1:16
+define amdgpu_kernel void @ds_write64_combine_stride_8192_shifted(double addrspace(3)* nocapture %arg) {
+bb:
+  %tmp = getelementptr inbounds double, double addrspace(3)* %arg, i32 1
+  store double 1.000000e+00, double addrspace(3)* %tmp, align 8
+  %tmp1 = getelementptr inbounds double, double addrspace(3)* %arg, i32 1025
+  store double 1.000000e+00, double addrspace(3)* %tmp1, align 8
+  %tmp2 = getelementptr inbounds double, double addrspace(3)* %arg, i32 2049
+  store double 1.000000e+00, double addrspace(3)* %tmp2, align 8
+  %tmp3 = getelementptr inbounds double, double addrspace(3)* %arg, i32 3073
+  store double 1.000000e+00, double addrspace(3)* %tmp3, align 8
+  %tmp4 = getelementptr inbounds double, double addrspace(3)* %arg, i32 4097
+  store double 1.000000e+00, double addrspace(3)* %tmp4, align 8
+  %tmp5 = getelementptr inbounds double, double addrspace(3)* %arg, i32 5121
+  store double 1.000000e+00, double addrspace(3)* %tmp5, align 8
+  ret void
+}