rebase fixes

Author: Pierre-vh

llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.abs.ll

@@ -197,31 +197,13 @@ define amdgpu_cs <4 x i32> @abs_vgpr_v4i32(<4 x i32> %arg) {
 }
 
 define amdgpu_cs <2 x i8> @abs_sgpr_v2i8(<2 x i8> inreg %arg) {
-; GFX6-LABEL: abs_sgpr_v2i8:
-; GFX6:       ; %bb.0:
-; GFX6-NEXT:    s_sext_i32_i8 s0, s0
-; GFX6-NEXT:    s_sext_i32_i8 s1, s1
-; GFX6-NEXT:    s_abs_i32 s0, s0
-; GFX6-NEXT:    s_abs_i32 s1, s1
-; GFX6-NEXT:    ; return to shader part epilog
-;
-; GFX8-LABEL: abs_sgpr_v2i8:
-; GFX8:       ; %bb.0:
-; GFX8-NEXT:    s_sext_i32_i8 s0, s0
-; GFX8-NEXT:    s_sext_i32_i8 s1, s1
-; GFX8-NEXT:    s_sext_i32_i16 s0, s0
-; GFX8-NEXT:    s_sext_i32_i16 s1, s1
-; GFX8-NEXT:    s_abs_i32 s0, s0
-; GFX8-NEXT:    s_abs_i32 s1, s1
-; GFX8-NEXT:    ; return to shader part epilog
-;
-; GFX10-LABEL: abs_sgpr_v2i8:
-; GFX10:       ; %bb.0:
-; GFX10-NEXT:    s_sext_i32_i8 s0, s0
-; GFX10-NEXT:    s_sext_i32_i8 s1, s1
-; GFX10-NEXT:    s_abs_i32 s0, s0
-; GFX10-NEXT:    s_abs_i32 s1, s1
-; GFX10-NEXT:    ; return to shader part epilog
+; GFX-LABEL: abs_sgpr_v2i8:
+; GFX:       ; %bb.0:
+; GFX-NEXT:    s_sext_i32_i8 s0, s0
+; GFX-NEXT:    s_sext_i32_i8 s1, s1
+; GFX-NEXT:    s_abs_i32 s0, s0
+; GFX-NEXT:    s_abs_i32 s1, s1
+; GFX-NEXT:    ; return to shader part epilog
   %res = call <2 x i8> @llvm.abs.v2i8(<2 x i8> %arg, i1 false)
   ret <2 x i8> %res
 }
@@ -266,38 +248,15 @@ define amdgpu_cs <2 x i8> @abs_vgpr_v2i8(<2 x i8> %arg) {
 }
 
 define amdgpu_cs <3 x i8> @abs_sgpr_v3i8(<3 x i8> inreg %arg) {
-; GFX6-LABEL: abs_sgpr_v3i8:
-; GFX6:       ; %bb.0:
-; GFX6-NEXT:    s_sext_i32_i8 s0, s0
-; GFX6-NEXT:    s_sext_i32_i8 s1, s1
-; GFX6-NEXT:    s_sext_i32_i8 s2, s2
-; GFX6-NEXT:    s_abs_i32 s0, s0
-; GFX6-NEXT:    s_abs_i32 s1, s1
-; GFX6-NEXT:    s_abs_i32 s2, s2
-; GFX6-NEXT:    ; return to shader part epilog
-;
-; GFX8-LABEL: abs_sgpr_v3i8:
-; GFX8:       ; %bb.0:
-; GFX8-NEXT:    s_sext_i32_i8 s0, s0
-; GFX8-NEXT:    s_sext_i32_i8 s1, s1
-; GFX8-NEXT:    s_sext_i32_i8 s2, s2
-; GFX8-NEXT:    s_sext_i32_i16 s0, s0
-; GFX8-NEXT:    s_sext_i32_i16 s1, s1
-; GFX8-NEXT:    s_sext_i32_i16 s2, s2
-; GFX8-NEXT:    s_abs_i32 s0, s0
-; GFX8-NEXT:    s_abs_i32 s1, s1
-; GFX8-NEXT:    s_abs_i32 s2, s2
-; GFX8-NEXT:    ; return to shader part epilog
-;
-; GFX10-LABEL: abs_sgpr_v3i8:
-; GFX10:       ; %bb.0:
-; GFX10-NEXT:    s_sext_i32_i8 s0, s0
-; GFX10-NEXT:    s_sext_i32_i8 s1, s1
-; GFX10-NEXT:    s_sext_i32_i8 s2, s2
-; GFX10-NEXT:    s_abs_i32 s0, s0
-; GFX10-NEXT:    s_abs_i32 s1, s1
-; GFX10-NEXT:    s_abs_i32 s2, s2
-; GFX10-NEXT:    ; return to shader part epilog
+; GFX-LABEL: abs_sgpr_v3i8:
+; GFX:       ; %bb.0:
+; GFX-NEXT:    s_sext_i32_i8 s0, s0
+; GFX-NEXT:    s_sext_i32_i8 s1, s1
+; GFX-NEXT:    s_sext_i32_i8 s2, s2
+; GFX-NEXT:    s_abs_i32 s0, s0
+; GFX-NEXT:    s_abs_i32 s1, s1
+; GFX-NEXT:    s_abs_i32 s2, s2
+; GFX-NEXT:    ; return to shader part epilog
   %res = call <3 x i8> @llvm.abs.v3i8(<3 x i8> %arg, i1 false)
   ret <3 x i8> %res
 }

llvm/test/CodeGen/AMDGPU/vector-reduce-smax.ll

@@ -34,19 +34,11 @@ define i8 @test_vector_reduce_smax_v2i8(<2 x i8> %v) {
 ; GFX7-GISEL-NEXT:    v_max_i32_e32 v0, v0, v1
 ; GFX7-GISEL-NEXT:    s_setpc_b64 s[30:31]
 ;
-; GFX8-SDAG-LABEL: test_vector_reduce_smax_v2i8:
-; GFX8-SDAG:       ; %bb.0: ; %entry
-; GFX8-SDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX8-SDAG-NEXT:    v_max_i16_sdwa v0, sext(v0), sext(v1) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
-; GFX8-SDAG-NEXT:    s_setpc_b64 s[30:31]
-;
-; GFX8-GISEL-LABEL: test_vector_reduce_smax_v2i8:
-; GFX8-GISEL:       ; %bb.0: ; %entry
-; GFX8-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v0, 8, v0
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v1, 8, v1
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v0, sext(v0), sext(v1) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    s_setpc_b64 s[30:31]
+; GFX8-LABEL: test_vector_reduce_smax_v2i8:
+; GFX8:       ; %bb.0: ; %entry
+; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8-NEXT:    v_max_i16_sdwa v0, sext(v0), sext(v1) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX9-LABEL: test_vector_reduce_smax_v2i8:
 ; GFX9:       ; %bb.0: ; %entry
@@ -173,11 +165,8 @@ define i8 @test_vector_reduce_smax_v3i8(<3 x i8> %v) {
 ; GFX8-GISEL-LABEL: test_vector_reduce_smax_v3i8:
 ; GFX8-GISEL:       ; %bb.0: ; %entry
 ; GFX8-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v0, 8, v0
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v1, 8, v1
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v0, sext(v0), sext(v1) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v1, 8, v2
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v0, v0, sext(v1) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:BYTE_1
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v0, sext(v0), sext(v1) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v0, v0, sext(v2) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:BYTE_0
 ; GFX8-GISEL-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX9-SDAG-LABEL: test_vector_reduce_smax_v3i8:
@@ -350,23 +339,20 @@ define i8 @test_vector_reduce_smax_v4i8(<4 x i8> %v) {
 ; GFX8-GISEL-LABEL: test_vector_reduce_smax_v4i8:
 ; GFX8-GISEL:       ; %bb.0: ; %entry
 ; GFX8-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v0, 8, v0
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v2, 8, v2
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v1, 8, v1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v3, 8, v3
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v0, sext(v0), sext(v2) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v1, sext(v1), sext(v3) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_mov_b32_e32 v4, 0
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v2, sext(v2), v4 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:DWORD
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v3, sext(v3), v4 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:DWORD
+; GFX8-GISEL-NEXT:    s_sext_i32_i8 s4, s4
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v0, sext(v0), sext(v2) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v1, sext(v1), sext(v3) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_mov_b32_e32 v4, s4
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v2, sext(v2), v4 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:DWORD
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v3, sext(v3), v4 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:DWORD
 ; GFX8-GISEL-NEXT:    v_max_i16_e32 v0, v0, v1
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v1, 0, v1
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v1, s4, v1
 ; GFX8-GISEL-NEXT:    v_mov_b32_e32 v4, 8
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v2, 0, v2
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v2, s4, v2
 ; GFX8-GISEL-NEXT:    v_lshlrev_b32_sdwa v1, v4, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:BYTE_0
 ; GFX8-GISEL-NEXT:    v_or_b32_sdwa v0, v0, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:DWORD
 ; GFX8-GISEL-NEXT:    v_and_b32_e32 v1, 0xff, v2
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v3, 0, v3
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v3, s4, v3
 ; GFX8-GISEL-NEXT:    v_lshlrev_b32_e32 v1, 16, v1
 ; GFX8-GISEL-NEXT:    v_or_b32_e32 v0, v0, v1
 ; GFX8-GISEL-NEXT:    v_and_b32_e32 v1, 0xff, v3
@@ -675,30 +661,23 @@ define i8 @test_vector_reduce_smax_v8i8(<8 x i8> %v) {
 ; GFX8-GISEL-LABEL: test_vector_reduce_smax_v8i8:
 ; GFX8-GISEL:       ; %bb.0: ; %entry
 ; GFX8-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v0, 8, v0
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v4, 8, v4
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v0, sext(v0), sext(v4) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v1, 8, v1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v4, 8, v5
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v1, sext(v1), sext(v4) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v2, 8, v2
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v4, 8, v6
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v2, sext(v2), sext(v4) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v3, 8, v3
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v4, 8, v7
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v3, sext(v3), sext(v4) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v0, sext(v0), sext(v4) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v1, sext(v1), sext(v5) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v2, sext(v2), sext(v6) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v3, sext(v3), sext(v7) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    s_sext_i32_i8 s4, s4
 ; GFX8-GISEL-NEXT:    v_max_i16_e32 v0, v0, v2
 ; GFX8-GISEL-NEXT:    v_max_i16_e32 v1, v1, v3
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v2, 0, v2
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v2, s4, v2
 ; GFX8-GISEL-NEXT:    v_max_i16_e32 v0, v0, v1
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v1, 0, v1
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v1, s4, v1
 ; GFX8-GISEL-NEXT:    v_mov_b32_e32 v4, 8
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v2, 0, v2
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v2, s4, v2
 ; GFX8-GISEL-NEXT:    v_lshlrev_b32_sdwa v1, v4, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:BYTE_0
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v3, 0, v3
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v3, s4, v3
 ; GFX8-GISEL-NEXT:    v_or_b32_sdwa v0, v0, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:DWORD
 ; GFX8-GISEL-NEXT:    v_and_b32_e32 v1, 0xff, v2
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v3, 0, v3
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v3, s4, v3
 ; GFX8-GISEL-NEXT:    v_lshlrev_b32_e32 v1, 16, v1
 ; GFX8-GISEL-NEXT:    v_or_b32_e32 v0, v0, v1
 ; GFX8-GISEL-NEXT:    v_and_b32_e32 v1, 0xff, v3
@@ -1135,46 +1114,31 @@ define i8 @test_vector_reduce_smax_v16i8(<16 x i8> %v) {
 ; GFX8-GISEL-LABEL: test_vector_reduce_smax_v16i8:
 ; GFX8-GISEL:       ; %bb.0: ; %entry
 ; GFX8-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v0, 8, v0
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v8, 8, v8
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v0, sext(v0), sext(v8) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v1, 8, v1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v8, 8, v9
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v1, sext(v1), sext(v8) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v2, 8, v2
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v8, 8, v10
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v2, sext(v2), sext(v8) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v3, 8, v3
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v8, 8, v11
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v3, sext(v3), sext(v8) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v4, 8, v4
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v8, 8, v12
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v4, sext(v4), sext(v8) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v5, 8, v5
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v8, 8, v13
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v5, sext(v5), sext(v8) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v6, 8, v6
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v8, 8, v14
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v6, sext(v6), sext(v8) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v7, 8, v7
-; GFX8-GISEL-NEXT:    v_lshlrev_b16_e32 v8, 8, v15
-; GFX8-GISEL-NEXT:    v_max_i16_sdwa v7, sext(v7), sext(v8) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_1
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v0, sext(v0), sext(v8) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v1, sext(v1), sext(v9) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v2, sext(v2), sext(v10) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v3, sext(v3), sext(v11) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v4, sext(v4), sext(v12) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v5, sext(v5), sext(v13) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v6, sext(v6), sext(v14) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
+; GFX8-GISEL-NEXT:    v_max_i16_sdwa v7, sext(v7), sext(v15) dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:BYTE_0
 ; GFX8-GISEL-NEXT:    v_max_i16_e32 v0, v0, v4
 ; GFX8-GISEL-NEXT:    v_max_i16_e32 v1, v1, v5
 ; GFX8-GISEL-NEXT:    v_max_i16_e32 v2, v2, v6
 ; GFX8-GISEL-NEXT:    v_max_i16_e32 v3, v3, v7
+; GFX8-GISEL-NEXT:    s_sext_i32_i8 s4, s4
 ; GFX8-GISEL-NEXT:    v_max_i16_e32 v0, v0, v2
 ; GFX8-GISEL-NEXT:    v_max_i16_e32 v1, v1, v3
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v2, 0, v2
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v2, s4, v2
 ; GFX8-GISEL-NEXT:    v_max_i16_e32 v0, v0, v1
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v1, 0, v1
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v1, s4, v1
 ; GFX8-GISEL-NEXT:    v_mov_b32_e32 v4, 8
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v2, 0, v2
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v2, s4, v2
 ; GFX8-GISEL-NEXT:    v_lshlrev_b32_sdwa v1, v4, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:BYTE_0
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v3, 0, v3
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v3, s4, v3
 ; GFX8-GISEL-NEXT:    v_or_b32_sdwa v0, v0, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:BYTE_0 src1_sel:DWORD
 ; GFX8-GISEL-NEXT:    v_and_b32_e32 v1, 0xff, v2
-; GFX8-GISEL-NEXT:    v_max_i16_e32 v3, 0, v3
+; GFX8-GISEL-NEXT:    v_max_i16_e32 v3, s4, v3
 ; GFX8-GISEL-NEXT:    v_lshlrev_b32_e32 v1, 16, v1
 ; GFX8-GISEL-NEXT:    v_or_b32_e32 v0, v0, v1
 ; GFX8-GISEL-NEXT:    v_and_b32_e32 v1, 0xff, v3