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Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/sdiv64.ll')
-rw-r--r--llvm/test/CodeGen/AMDGPU/sdiv64.ll470
1 files changed, 239 insertions, 231 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/sdiv64.ll b/llvm/test/CodeGen/AMDGPU/sdiv64.ll
index 697bcc3..5f6d622 100644
--- a/llvm/test/CodeGen/AMDGPU/sdiv64.ll
+++ b/llvm/test/CodeGen/AMDGPU/sdiv64.ll
@@ -206,8 +206,11 @@ define amdgpu_kernel void @s_test_sdiv(ptr addrspace(1) %out, i64 %x, i64 %y) {
; GCN-IR-NEXT: s_cbranch_vccz .LBB0_5
; GCN-IR-NEXT: ; %bb.1: ; %udiv-bb1
; GCN-IR-NEXT: s_add_u32 s18, s16, 1
-; GCN-IR-NEXT: s_addc_u32 s19, s17, 0
-; GCN-IR-NEXT: v_cmp_eq_u64_e64 s[10:11], s[18:19], 0
+; GCN-IR-NEXT: s_cselect_b64 s[10:11], -1, 0
+; GCN-IR-NEXT: s_or_b32 s10, s10, s11
+; GCN-IR-NEXT: s_cmp_lg_u32 s10, 0
+; GCN-IR-NEXT: s_addc_u32 s10, s17, 0
+; GCN-IR-NEXT: s_cselect_b64 s[10:11], -1, 0
; GCN-IR-NEXT: s_sub_i32 s16, 63, s16
; GCN-IR-NEXT: s_andn2_b64 vcc, exec, s[10:11]
; GCN-IR-NEXT: s_lshl_b64 s[10:11], s[12:13], s16
@@ -217,9 +220,9 @@ define amdgpu_kernel void @s_test_sdiv(ptr addrspace(1) %out, i64 %x, i64 %y) {
; GCN-IR-NEXT: s_add_u32 s18, s2, -1
; GCN-IR-NEXT: s_addc_u32 s19, s3, -1
; GCN-IR-NEXT: s_not_b64 s[8:9], s[14:15]
-; GCN-IR-NEXT: s_add_u32 s12, s8, s20
-; GCN-IR-NEXT: s_addc_u32 s13, s9, 0
-; GCN-IR-NEXT: s_mov_b64 s[14:15], 0
+; GCN-IR-NEXT: s_add_u32 s14, s8, s20
+; GCN-IR-NEXT: s_addc_u32 s15, s9, 0
+; GCN-IR-NEXT: s_mov_b64 s[12:13], 0
; GCN-IR-NEXT: s_mov_b32 s9, 0
; GCN-IR-NEXT: .LBB0_3: ; %udiv-do-while
; GCN-IR-NEXT: ; =>This Inner Loop Header: Depth=1
@@ -227,19 +230,22 @@ define amdgpu_kernel void @s_test_sdiv(ptr addrspace(1) %out, i64 %x, i64 %y) {
; GCN-IR-NEXT: s_lshr_b32 s8, s11, 31
; GCN-IR-NEXT: s_lshl_b64 s[10:11], s[10:11], 1
; GCN-IR-NEXT: s_or_b64 s[16:17], s[16:17], s[8:9]
-; GCN-IR-NEXT: s_or_b64 s[10:11], s[14:15], s[10:11]
+; GCN-IR-NEXT: s_or_b64 s[10:11], s[12:13], s[10:11]
; GCN-IR-NEXT: s_sub_u32 s8, s18, s16
; GCN-IR-NEXT: s_subb_u32 s8, s19, s17
-; GCN-IR-NEXT: s_ashr_i32 s14, s8, 31
-; GCN-IR-NEXT: s_mov_b32 s15, s14
-; GCN-IR-NEXT: s_and_b32 s8, s14, 1
-; GCN-IR-NEXT: s_and_b64 s[14:15], s[14:15], s[2:3]
-; GCN-IR-NEXT: s_sub_u32 s16, s16, s14
-; GCN-IR-NEXT: s_subb_u32 s17, s17, s15
-; GCN-IR-NEXT: s_add_u32 s12, s12, 1
-; GCN-IR-NEXT: s_addc_u32 s13, s13, 0
-; GCN-IR-NEXT: v_cmp_eq_u64_e64 s[20:21], s[12:13], 0
-; GCN-IR-NEXT: s_mov_b64 s[14:15], s[8:9]
+; GCN-IR-NEXT: s_ashr_i32 s12, s8, 31
+; GCN-IR-NEXT: s_mov_b32 s13, s12
+; GCN-IR-NEXT: s_and_b32 s8, s12, 1
+; GCN-IR-NEXT: s_and_b64 s[20:21], s[12:13], s[2:3]
+; GCN-IR-NEXT: s_sub_u32 s16, s16, s20
+; GCN-IR-NEXT: s_subb_u32 s17, s17, s21
+; GCN-IR-NEXT: s_add_u32 s14, s14, 1
+; GCN-IR-NEXT: s_cselect_b64 s[20:21], -1, 0
+; GCN-IR-NEXT: s_or_b32 s20, s20, s21
+; GCN-IR-NEXT: s_cmp_lg_u32 s20, 0
+; GCN-IR-NEXT: s_addc_u32 s15, s15, 0
+; GCN-IR-NEXT: s_cselect_b64 s[20:21], -1, 0
+; GCN-IR-NEXT: s_mov_b64 s[12:13], s[8:9]
; GCN-IR-NEXT: s_and_b64 vcc, exec, s[20:21]
; GCN-IR-NEXT: s_cbranch_vccz .LBB0_3
; GCN-IR-NEXT: .LBB0_4: ; %Flow7
@@ -389,25 +395,25 @@ define i64 @v_test_sdiv(i64 %x, i64 %y) {
; GCN-IR-LABEL: v_test_sdiv:
; GCN-IR: ; %bb.0: ; %_udiv-special-cases
; GCN-IR-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GCN-IR-NEXT: v_ashrrev_i32_e32 v12, 31, v1
-; GCN-IR-NEXT: v_xor_b32_e32 v0, v0, v12
-; GCN-IR-NEXT: v_ashrrev_i32_e32 v13, 31, v3
-; GCN-IR-NEXT: v_xor_b32_e32 v1, v1, v12
-; GCN-IR-NEXT: v_sub_i32_e32 v6, vcc, v0, v12
-; GCN-IR-NEXT: v_subb_u32_e32 v7, vcc, v1, v12, vcc
-; GCN-IR-NEXT: v_xor_b32_e32 v0, v2, v13
-; GCN-IR-NEXT: v_xor_b32_e32 v1, v3, v13
-; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v13
-; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v13, vcc
+; GCN-IR-NEXT: v_ashrrev_i32_e32 v10, 31, v1
+; GCN-IR-NEXT: v_xor_b32_e32 v0, v0, v10
+; GCN-IR-NEXT: v_ashrrev_i32_e32 v11, 31, v3
+; GCN-IR-NEXT: v_xor_b32_e32 v1, v1, v10
+; GCN-IR-NEXT: v_sub_i32_e32 v6, vcc, v0, v10
+; GCN-IR-NEXT: v_subb_u32_e32 v7, vcc, v1, v10, vcc
+; GCN-IR-NEXT: v_xor_b32_e32 v0, v2, v11
+; GCN-IR-NEXT: v_xor_b32_e32 v1, v3, v11
+; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v11
+; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v11, vcc
; GCN-IR-NEXT: v_ffbh_u32_e32 v2, v0
; GCN-IR-NEXT: v_add_i32_e64 v2, s[6:7], 32, v2
; GCN-IR-NEXT: v_ffbh_u32_e32 v3, v1
-; GCN-IR-NEXT: v_min_u32_e32 v10, v2, v3
+; GCN-IR-NEXT: v_min_u32_e32 v8, v2, v3
; GCN-IR-NEXT: v_ffbh_u32_e32 v2, v6
; GCN-IR-NEXT: v_add_i32_e64 v2, s[6:7], 32, v2
; GCN-IR-NEXT: v_ffbh_u32_e32 v3, v7
-; GCN-IR-NEXT: v_min_u32_e32 v11, v2, v3
-; GCN-IR-NEXT: v_sub_i32_e64 v2, s[6:7], v10, v11
+; GCN-IR-NEXT: v_min_u32_e32 v9, v2, v3
+; GCN-IR-NEXT: v_sub_i32_e64 v2, s[6:7], v8, v9
; GCN-IR-NEXT: v_cmp_eq_u64_e32 vcc, 0, v[0:1]
; GCN-IR-NEXT: v_cmp_eq_u64_e64 s[4:5], 0, v[6:7]
; GCN-IR-NEXT: v_subb_u32_e64 v3, s[6:7], 0, 0, s[6:7]
@@ -416,70 +422,69 @@ define i64 @v_test_sdiv(i64 %x, i64 %y) {
; GCN-IR-NEXT: s_or_b64 s[4:5], s[4:5], s[6:7]
; GCN-IR-NEXT: v_cmp_ne_u64_e32 vcc, 63, v[2:3]
; GCN-IR-NEXT: s_xor_b64 s[6:7], s[4:5], -1
-; GCN-IR-NEXT: v_mov_b32_e32 v14, v12
-; GCN-IR-NEXT: v_mov_b32_e32 v15, v13
+; GCN-IR-NEXT: v_mov_b32_e32 v12, v10
+; GCN-IR-NEXT: v_mov_b32_e32 v13, v11
; GCN-IR-NEXT: v_cndmask_b32_e64 v5, v7, 0, s[4:5]
; GCN-IR-NEXT: v_cndmask_b32_e64 v4, v6, 0, s[4:5]
; GCN-IR-NEXT: s_and_b64 s[4:5], s[6:7], vcc
; GCN-IR-NEXT: s_and_saveexec_b64 s[6:7], s[4:5]
; GCN-IR-NEXT: s_cbranch_execz .LBB1_6
; GCN-IR-NEXT: ; %bb.1: ; %udiv-bb1
-; GCN-IR-NEXT: v_add_i32_e32 v8, vcc, 1, v2
-; GCN-IR-NEXT: v_addc_u32_e32 v9, vcc, 0, v3, vcc
+; GCN-IR-NEXT: v_add_i32_e32 v14, vcc, 1, v2
+; GCN-IR-NEXT: v_addc_u32_e32 v3, vcc, 0, v3, vcc
; GCN-IR-NEXT: v_sub_i32_e64 v2, s[4:5], 63, v2
-; GCN-IR-NEXT: v_mov_b32_e32 v4, 0
-; GCN-IR-NEXT: v_cmp_ne_u64_e32 vcc, 0, v[8:9]
; GCN-IR-NEXT: v_lshl_b64 v[2:3], v[6:7], v2
+; GCN-IR-NEXT: v_mov_b32_e32 v4, 0
; GCN-IR-NEXT: v_mov_b32_e32 v5, 0
-; GCN-IR-NEXT: s_and_saveexec_b64 s[4:5], vcc
-; GCN-IR-NEXT: s_xor_b64 s[8:9], exec, s[4:5]
+; GCN-IR-NEXT: s_xor_b64 s[4:5], vcc, -1
+; GCN-IR-NEXT: s_and_saveexec_b64 s[8:9], s[4:5]
+; GCN-IR-NEXT: s_xor_b64 s[4:5], exec, s[8:9]
; GCN-IR-NEXT: s_cbranch_execz .LBB1_5
; GCN-IR-NEXT: ; %bb.2: ; %udiv-preheader
-; GCN-IR-NEXT: v_add_i32_e32 v16, vcc, -1, v0
-; GCN-IR-NEXT: v_addc_u32_e32 v17, vcc, -1, v1, vcc
-; GCN-IR-NEXT: v_not_b32_e32 v4, v10
-; GCN-IR-NEXT: v_lshr_b64 v[8:9], v[6:7], v8
-; GCN-IR-NEXT: v_add_i32_e32 v6, vcc, v4, v11
-; GCN-IR-NEXT: v_mov_b32_e32 v10, 0
-; GCN-IR-NEXT: v_addc_u32_e64 v7, s[4:5], -1, 0, vcc
-; GCN-IR-NEXT: s_mov_b64 s[10:11], 0
-; GCN-IR-NEXT: v_mov_b32_e32 v11, 0
+; GCN-IR-NEXT: v_lshr_b64 v[6:7], v[6:7], v14
+; GCN-IR-NEXT: v_add_i32_e32 v14, vcc, -1, v0
+; GCN-IR-NEXT: v_addc_u32_e32 v15, vcc, -1, v1, vcc
+; GCN-IR-NEXT: v_not_b32_e32 v4, v8
+; GCN-IR-NEXT: v_add_i32_e32 v16, vcc, v4, v9
+; GCN-IR-NEXT: v_addc_u32_e64 v17, s[8:9], -1, 0, vcc
+; GCN-IR-NEXT: v_mov_b32_e32 v8, 0
+; GCN-IR-NEXT: s_mov_b64 s[8:9], 0
+; GCN-IR-NEXT: v_mov_b32_e32 v9, 0
; GCN-IR-NEXT: v_mov_b32_e32 v5, 0
; GCN-IR-NEXT: .LBB1_3: ; %udiv-do-while
; GCN-IR-NEXT: ; =>This Inner Loop Header: Depth=1
-; GCN-IR-NEXT: v_lshl_b64 v[8:9], v[8:9], 1
+; GCN-IR-NEXT: v_lshl_b64 v[6:7], v[6:7], 1
; GCN-IR-NEXT: v_lshrrev_b32_e32 v4, 31, v3
-; GCN-IR-NEXT: v_or_b32_e32 v8, v8, v4
+; GCN-IR-NEXT: v_or_b32_e32 v6, v6, v4
; GCN-IR-NEXT: v_lshl_b64 v[2:3], v[2:3], 1
-; GCN-IR-NEXT: v_sub_i32_e32 v4, vcc, v16, v8
-; GCN-IR-NEXT: v_subb_u32_e32 v4, vcc, v17, v9, vcc
-; GCN-IR-NEXT: v_or_b32_e32 v2, v10, v2
-; GCN-IR-NEXT: v_ashrrev_i32_e32 v10, 31, v4
-; GCN-IR-NEXT: v_add_i32_e32 v6, vcc, 1, v6
-; GCN-IR-NEXT: v_or_b32_e32 v3, v11, v3
-; GCN-IR-NEXT: v_and_b32_e32 v4, 1, v10
-; GCN-IR-NEXT: v_and_b32_e32 v11, v10, v1
-; GCN-IR-NEXT: v_and_b32_e32 v10, v10, v0
-; GCN-IR-NEXT: v_addc_u32_e32 v7, vcc, 0, v7, vcc
-; GCN-IR-NEXT: v_cmp_eq_u64_e32 vcc, 0, v[6:7]
-; GCN-IR-NEXT: v_sub_i32_e64 v8, s[4:5], v8, v10
-; GCN-IR-NEXT: v_subb_u32_e64 v9, s[4:5], v9, v11, s[4:5]
-; GCN-IR-NEXT: v_mov_b32_e32 v11, v5
-; GCN-IR-NEXT: s_or_b64 s[10:11], vcc, s[10:11]
-; GCN-IR-NEXT: v_mov_b32_e32 v10, v4
-; GCN-IR-NEXT: s_andn2_b64 exec, exec, s[10:11]
+; GCN-IR-NEXT: v_sub_i32_e32 v4, vcc, v14, v6
+; GCN-IR-NEXT: v_subb_u32_e32 v4, vcc, v15, v7, vcc
+; GCN-IR-NEXT: v_or_b32_e32 v2, v8, v2
+; GCN-IR-NEXT: v_ashrrev_i32_e32 v8, 31, v4
+; GCN-IR-NEXT: v_or_b32_e32 v3, v9, v3
+; GCN-IR-NEXT: v_and_b32_e32 v4, 1, v8
+; GCN-IR-NEXT: v_and_b32_e32 v9, v8, v1
+; GCN-IR-NEXT: v_and_b32_e32 v8, v8, v0
+; GCN-IR-NEXT: v_sub_i32_e32 v6, vcc, v6, v8
+; GCN-IR-NEXT: v_subb_u32_e32 v7, vcc, v7, v9, vcc
+; GCN-IR-NEXT: v_add_i32_e32 v16, vcc, 1, v16
+; GCN-IR-NEXT: v_addc_u32_e32 v17, vcc, 0, v17, vcc
+; GCN-IR-NEXT: v_mov_b32_e32 v9, v5
+; GCN-IR-NEXT: s_or_b64 s[8:9], vcc, s[8:9]
+; GCN-IR-NEXT: v_mov_b32_e32 v8, v4
+; GCN-IR-NEXT: s_andn2_b64 exec, exec, s[8:9]
; GCN-IR-NEXT: s_cbranch_execnz .LBB1_3
; GCN-IR-NEXT: ; %bb.4: ; %Flow
-; GCN-IR-NEXT: s_or_b64 exec, exec, s[10:11]
-; GCN-IR-NEXT: .LBB1_5: ; %Flow4
; GCN-IR-NEXT: s_or_b64 exec, exec, s[8:9]
+; GCN-IR-NEXT: .LBB1_5: ; %Flow4
+; GCN-IR-NEXT: s_or_b64 exec, exec, s[4:5]
; GCN-IR-NEXT: v_lshl_b64 v[0:1], v[2:3], 1
; GCN-IR-NEXT: v_or_b32_e32 v5, v5, v1
; GCN-IR-NEXT: v_or_b32_e32 v4, v4, v0
; GCN-IR-NEXT: .LBB1_6: ; %Flow5
; GCN-IR-NEXT: s_or_b64 exec, exec, s[6:7]
-; GCN-IR-NEXT: v_xor_b32_e32 v0, v13, v12
-; GCN-IR-NEXT: v_xor_b32_e32 v1, v15, v14
+; GCN-IR-NEXT: v_xor_b32_e32 v0, v11, v10
+; GCN-IR-NEXT: v_xor_b32_e32 v1, v13, v12
; GCN-IR-NEXT: v_xor_b32_e32 v3, v4, v0
; GCN-IR-NEXT: v_xor_b32_e32 v2, v5, v1
; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v3, v0
@@ -1293,34 +1298,37 @@ define amdgpu_kernel void @s_test_sdiv_k_num_i64(ptr addrspace(1) %out, i64 %x)
; GCN-IR-NEXT: s_xor_b64 s[2:3], s[2:3], s[4:5]
; GCN-IR-NEXT: s_sub_u32 s2, s2, s4
; GCN-IR-NEXT: s_subb_u32 s3, s3, s4
-; GCN-IR-NEXT: s_flbit_i32_b64 s14, s[2:3]
-; GCN-IR-NEXT: s_add_u32 s10, s14, 0xffffffc5
+; GCN-IR-NEXT: s_flbit_i32_b64 s16, s[2:3]
+; GCN-IR-NEXT: s_add_u32 s10, s16, 0xffffffc5
; GCN-IR-NEXT: s_addc_u32 s11, 0, -1
; GCN-IR-NEXT: v_cmp_eq_u64_e64 s[8:9], s[2:3], 0
; GCN-IR-NEXT: v_cmp_gt_u64_e64 s[12:13], s[10:11], 63
-; GCN-IR-NEXT: v_cmp_eq_u64_e64 s[16:17], s[10:11], 63
+; GCN-IR-NEXT: v_cmp_eq_u64_e64 s[14:15], s[10:11], 63
; GCN-IR-NEXT: s_or_b64 s[12:13], s[8:9], s[12:13]
; GCN-IR-NEXT: s_and_b64 s[8:9], s[12:13], exec
; GCN-IR-NEXT: s_cselect_b32 s8, 0, 24
-; GCN-IR-NEXT: s_or_b64 s[12:13], s[12:13], s[16:17]
+; GCN-IR-NEXT: s_or_b64 s[12:13], s[12:13], s[14:15]
; GCN-IR-NEXT: s_andn2_b64 vcc, exec, s[12:13]
; GCN-IR-NEXT: s_mov_b32 s9, 0
; GCN-IR-NEXT: s_cbranch_vccz .LBB10_5
; GCN-IR-NEXT: ; %bb.1: ; %udiv-bb1
; GCN-IR-NEXT: s_add_u32 s12, s10, 1
-; GCN-IR-NEXT: s_addc_u32 s13, s11, 0
-; GCN-IR-NEXT: v_cmp_eq_u64_e64 s[8:9], s[12:13], 0
+; GCN-IR-NEXT: s_cselect_b64 s[8:9], -1, 0
+; GCN-IR-NEXT: s_or_b32 s8, s8, s9
+; GCN-IR-NEXT: s_cmp_lg_u32 s8, 0
+; GCN-IR-NEXT: s_addc_u32 s8, s11, 0
+; GCN-IR-NEXT: s_cselect_b64 s[8:9], -1, 0
; GCN-IR-NEXT: s_sub_i32 s10, 63, s10
; GCN-IR-NEXT: s_andn2_b64 vcc, exec, s[8:9]
; GCN-IR-NEXT: s_lshl_b64 s[8:9], 24, s10
; GCN-IR-NEXT: s_cbranch_vccz .LBB10_4
; GCN-IR-NEXT: ; %bb.2: ; %udiv-preheader
; GCN-IR-NEXT: s_lshr_b64 s[12:13], 24, s12
-; GCN-IR-NEXT: s_add_u32 s16, s2, -1
-; GCN-IR-NEXT: s_addc_u32 s17, s3, -1
-; GCN-IR-NEXT: s_sub_u32 s10, 58, s14
-; GCN-IR-NEXT: s_subb_u32 s11, 0, 0
-; GCN-IR-NEXT: s_mov_b64 s[14:15], 0
+; GCN-IR-NEXT: s_add_u32 s14, s2, -1
+; GCN-IR-NEXT: s_addc_u32 s15, s3, -1
+; GCN-IR-NEXT: s_sub_u32 s16, 58, s16
+; GCN-IR-NEXT: s_subb_u32 s17, 0, 0
+; GCN-IR-NEXT: s_mov_b64 s[10:11], 0
; GCN-IR-NEXT: s_mov_b32 s7, 0
; GCN-IR-NEXT: .LBB10_3: ; %udiv-do-while
; GCN-IR-NEXT: ; =>This Inner Loop Header: Depth=1
@@ -1328,19 +1336,22 @@ define amdgpu_kernel void @s_test_sdiv_k_num_i64(ptr addrspace(1) %out, i64 %x)
; GCN-IR-NEXT: s_lshr_b32 s6, s9, 31
; GCN-IR-NEXT: s_lshl_b64 s[8:9], s[8:9], 1
; GCN-IR-NEXT: s_or_b64 s[12:13], s[12:13], s[6:7]
-; GCN-IR-NEXT: s_or_b64 s[8:9], s[14:15], s[8:9]
-; GCN-IR-NEXT: s_sub_u32 s6, s16, s12
-; GCN-IR-NEXT: s_subb_u32 s6, s17, s13
-; GCN-IR-NEXT: s_ashr_i32 s14, s6, 31
-; GCN-IR-NEXT: s_mov_b32 s15, s14
-; GCN-IR-NEXT: s_and_b32 s6, s14, 1
-; GCN-IR-NEXT: s_and_b64 s[14:15], s[14:15], s[2:3]
-; GCN-IR-NEXT: s_sub_u32 s12, s12, s14
-; GCN-IR-NEXT: s_subb_u32 s13, s13, s15
-; GCN-IR-NEXT: s_add_u32 s10, s10, 1
-; GCN-IR-NEXT: s_addc_u32 s11, s11, 0
-; GCN-IR-NEXT: v_cmp_eq_u64_e64 s[18:19], s[10:11], 0
-; GCN-IR-NEXT: s_mov_b64 s[14:15], s[6:7]
+; GCN-IR-NEXT: s_or_b64 s[8:9], s[10:11], s[8:9]
+; GCN-IR-NEXT: s_sub_u32 s6, s14, s12
+; GCN-IR-NEXT: s_subb_u32 s6, s15, s13
+; GCN-IR-NEXT: s_ashr_i32 s10, s6, 31
+; GCN-IR-NEXT: s_mov_b32 s11, s10
+; GCN-IR-NEXT: s_and_b32 s6, s10, 1
+; GCN-IR-NEXT: s_and_b64 s[18:19], s[10:11], s[2:3]
+; GCN-IR-NEXT: s_sub_u32 s12, s12, s18
+; GCN-IR-NEXT: s_subb_u32 s13, s13, s19
+; GCN-IR-NEXT: s_add_u32 s16, s16, 1
+; GCN-IR-NEXT: s_cselect_b64 s[18:19], -1, 0
+; GCN-IR-NEXT: s_or_b32 s18, s18, s19
+; GCN-IR-NEXT: s_cmp_lg_u32 s18, 0
+; GCN-IR-NEXT: s_addc_u32 s17, s17, 0
+; GCN-IR-NEXT: s_cselect_b64 s[18:19], -1, 0
+; GCN-IR-NEXT: s_mov_b64 s[10:11], s[6:7]
; GCN-IR-NEXT: s_and_b64 vcc, exec, s[18:19]
; GCN-IR-NEXT: s_cbranch_vccz .LBB10_3
; GCN-IR-NEXT: .LBB10_4: ; %Flow6
@@ -1472,17 +1483,17 @@ define i64 @v_test_sdiv_k_num_i64(i64 %x) {
; GCN-IR-LABEL: v_test_sdiv_k_num_i64:
; GCN-IR: ; %bb.0: ; %_udiv-special-cases
; GCN-IR-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GCN-IR-NEXT: v_ashrrev_i32_e32 v12, 31, v1
-; GCN-IR-NEXT: v_xor_b32_e32 v0, v0, v12
-; GCN-IR-NEXT: v_xor_b32_e32 v1, v1, v12
-; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v12
-; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v12, vcc
+; GCN-IR-NEXT: v_ashrrev_i32_e32 v10, 31, v1
+; GCN-IR-NEXT: v_xor_b32_e32 v0, v0, v10
+; GCN-IR-NEXT: v_xor_b32_e32 v1, v1, v10
+; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v10
+; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v10, vcc
; GCN-IR-NEXT: v_ffbh_u32_e32 v2, v0
; GCN-IR-NEXT: v_add_i32_e32 v2, vcc, 32, v2
; GCN-IR-NEXT: v_ffbh_u32_e32 v3, v1
-; GCN-IR-NEXT: v_min_u32_e32 v10, v2, v3
+; GCN-IR-NEXT: v_min_u32_e32 v8, v2, v3
; GCN-IR-NEXT: s_movk_i32 s6, 0xffc5
-; GCN-IR-NEXT: v_add_i32_e32 v2, vcc, s6, v10
+; GCN-IR-NEXT: v_add_i32_e32 v2, vcc, s6, v8
; GCN-IR-NEXT: v_addc_u32_e64 v3, s[6:7], 0, -1, vcc
; GCN-IR-NEXT: v_cmp_eq_u64_e64 s[4:5], 0, v[0:1]
; GCN-IR-NEXT: v_cmp_lt_u64_e32 vcc, 63, v[2:3]
@@ -1490,69 +1501,68 @@ define i64 @v_test_sdiv_k_num_i64(i64 %x) {
; GCN-IR-NEXT: s_or_b64 s[4:5], s[4:5], vcc
; GCN-IR-NEXT: v_cndmask_b32_e64 v4, 24, 0, s[4:5]
; GCN-IR-NEXT: s_xor_b64 s[4:5], s[4:5], -1
-; GCN-IR-NEXT: v_mov_b32_e32 v13, v12
+; GCN-IR-NEXT: v_mov_b32_e32 v11, v10
; GCN-IR-NEXT: v_mov_b32_e32 v5, 0
; GCN-IR-NEXT: s_and_b64 s[4:5], s[4:5], s[6:7]
; GCN-IR-NEXT: s_and_saveexec_b64 s[6:7], s[4:5]
; GCN-IR-NEXT: s_cbranch_execz .LBB11_6
; GCN-IR-NEXT: ; %bb.1: ; %udiv-bb1
; GCN-IR-NEXT: v_add_i32_e32 v6, vcc, 1, v2
-; GCN-IR-NEXT: v_addc_u32_e32 v7, vcc, 0, v3, vcc
+; GCN-IR-NEXT: v_addc_u32_e32 v3, vcc, 0, v3, vcc
; GCN-IR-NEXT: v_sub_i32_e64 v2, s[4:5], 63, v2
-; GCN-IR-NEXT: v_mov_b32_e32 v4, 0
-; GCN-IR-NEXT: v_cmp_ne_u64_e32 vcc, 0, v[6:7]
; GCN-IR-NEXT: v_lshl_b64 v[2:3], 24, v2
+; GCN-IR-NEXT: v_mov_b32_e32 v4, 0
; GCN-IR-NEXT: v_mov_b32_e32 v5, 0
-; GCN-IR-NEXT: s_and_saveexec_b64 s[4:5], vcc
-; GCN-IR-NEXT: s_xor_b64 s[8:9], exec, s[4:5]
+; GCN-IR-NEXT: s_xor_b64 s[4:5], vcc, -1
+; GCN-IR-NEXT: s_and_saveexec_b64 s[8:9], s[4:5]
+; GCN-IR-NEXT: s_xor_b64 s[4:5], exec, s[8:9]
; GCN-IR-NEXT: s_cbranch_execz .LBB11_5
; GCN-IR-NEXT: ; %bb.2: ; %udiv-preheader
-; GCN-IR-NEXT: v_add_i32_e32 v14, vcc, -1, v0
-; GCN-IR-NEXT: v_addc_u32_e32 v15, vcc, -1, v1, vcc
-; GCN-IR-NEXT: v_lshr_b64 v[8:9], 24, v6
-; GCN-IR-NEXT: v_sub_i32_e32 v6, vcc, 58, v10
-; GCN-IR-NEXT: v_mov_b32_e32 v10, 0
-; GCN-IR-NEXT: v_subb_u32_e64 v7, s[4:5], 0, 0, vcc
-; GCN-IR-NEXT: s_mov_b64 s[10:11], 0
-; GCN-IR-NEXT: v_mov_b32_e32 v11, 0
+; GCN-IR-NEXT: v_add_i32_e32 v12, vcc, -1, v0
+; GCN-IR-NEXT: v_addc_u32_e32 v13, vcc, -1, v1, vcc
+; GCN-IR-NEXT: v_sub_i32_e32 v14, vcc, 58, v8
+; GCN-IR-NEXT: v_lshr_b64 v[6:7], 24, v6
+; GCN-IR-NEXT: v_subb_u32_e64 v15, s[8:9], 0, 0, vcc
+; GCN-IR-NEXT: v_mov_b32_e32 v8, 0
+; GCN-IR-NEXT: s_mov_b64 s[8:9], 0
+; GCN-IR-NEXT: v_mov_b32_e32 v9, 0
; GCN-IR-NEXT: v_mov_b32_e32 v5, 0
; GCN-IR-NEXT: .LBB11_3: ; %udiv-do-while
; GCN-IR-NEXT: ; =>This Inner Loop Header: Depth=1
-; GCN-IR-NEXT: v_lshl_b64 v[8:9], v[8:9], 1
+; GCN-IR-NEXT: v_lshl_b64 v[6:7], v[6:7], 1
; GCN-IR-NEXT: v_lshrrev_b32_e32 v4, 31, v3
-; GCN-IR-NEXT: v_or_b32_e32 v8, v8, v4
+; GCN-IR-NEXT: v_or_b32_e32 v6, v6, v4
; GCN-IR-NEXT: v_lshl_b64 v[2:3], v[2:3], 1
-; GCN-IR-NEXT: v_sub_i32_e32 v4, vcc, v14, v8
-; GCN-IR-NEXT: v_subb_u32_e32 v4, vcc, v15, v9, vcc
-; GCN-IR-NEXT: v_or_b32_e32 v2, v10, v2
-; GCN-IR-NEXT: v_ashrrev_i32_e32 v10, 31, v4
-; GCN-IR-NEXT: v_add_i32_e32 v6, vcc, 1, v6
-; GCN-IR-NEXT: v_or_b32_e32 v3, v11, v3
-; GCN-IR-NEXT: v_and_b32_e32 v4, 1, v10
-; GCN-IR-NEXT: v_and_b32_e32 v11, v10, v1
-; GCN-IR-NEXT: v_and_b32_e32 v10, v10, v0
-; GCN-IR-NEXT: v_addc_u32_e32 v7, vcc, 0, v7, vcc
-; GCN-IR-NEXT: v_cmp_eq_u64_e32 vcc, 0, v[6:7]
-; GCN-IR-NEXT: v_sub_i32_e64 v8, s[4:5], v8, v10
-; GCN-IR-NEXT: v_subb_u32_e64 v9, s[4:5], v9, v11, s[4:5]
-; GCN-IR-NEXT: v_mov_b32_e32 v11, v5
-; GCN-IR-NEXT: s_or_b64 s[10:11], vcc, s[10:11]
-; GCN-IR-NEXT: v_mov_b32_e32 v10, v4
-; GCN-IR-NEXT: s_andn2_b64 exec, exec, s[10:11]
+; GCN-IR-NEXT: v_sub_i32_e32 v4, vcc, v12, v6
+; GCN-IR-NEXT: v_subb_u32_e32 v4, vcc, v13, v7, vcc
+; GCN-IR-NEXT: v_or_b32_e32 v2, v8, v2
+; GCN-IR-NEXT: v_ashrrev_i32_e32 v8, 31, v4
+; GCN-IR-NEXT: v_or_b32_e32 v3, v9, v3
+; GCN-IR-NEXT: v_and_b32_e32 v4, 1, v8
+; GCN-IR-NEXT: v_and_b32_e32 v9, v8, v1
+; GCN-IR-NEXT: v_and_b32_e32 v8, v8, v0
+; GCN-IR-NEXT: v_sub_i32_e32 v6, vcc, v6, v8
+; GCN-IR-NEXT: v_subb_u32_e32 v7, vcc, v7, v9, vcc
+; GCN-IR-NEXT: v_add_i32_e32 v14, vcc, 1, v14
+; GCN-IR-NEXT: v_addc_u32_e32 v15, vcc, 0, v15, vcc
+; GCN-IR-NEXT: v_mov_b32_e32 v9, v5
+; GCN-IR-NEXT: s_or_b64 s[8:9], vcc, s[8:9]
+; GCN-IR-NEXT: v_mov_b32_e32 v8, v4
+; GCN-IR-NEXT: s_andn2_b64 exec, exec, s[8:9]
; GCN-IR-NEXT: s_cbranch_execnz .LBB11_3
; GCN-IR-NEXT: ; %bb.4: ; %Flow
-; GCN-IR-NEXT: s_or_b64 exec, exec, s[10:11]
-; GCN-IR-NEXT: .LBB11_5: ; %Flow4
; GCN-IR-NEXT: s_or_b64 exec, exec, s[8:9]
+; GCN-IR-NEXT: .LBB11_5: ; %Flow4
+; GCN-IR-NEXT: s_or_b64 exec, exec, s[4:5]
; GCN-IR-NEXT: v_lshl_b64 v[0:1], v[2:3], 1
; GCN-IR-NEXT: v_or_b32_e32 v5, v5, v1
; GCN-IR-NEXT: v_or_b32_e32 v4, v4, v0
; GCN-IR-NEXT: .LBB11_6: ; %Flow5
; GCN-IR-NEXT: s_or_b64 exec, exec, s[6:7]
-; GCN-IR-NEXT: v_xor_b32_e32 v0, v4, v12
-; GCN-IR-NEXT: v_xor_b32_e32 v1, v5, v13
-; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v12
-; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v13, vcc
+; GCN-IR-NEXT: v_xor_b32_e32 v0, v4, v10
+; GCN-IR-NEXT: v_xor_b32_e32 v1, v5, v11
+; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v10
+; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v11, vcc
; GCN-IR-NEXT: s_setpc_b64 s[30:31]
%result = sdiv i64 24, %x
ret i64 %result
@@ -1665,17 +1675,17 @@ define i64 @v_test_sdiv_pow2_k_num_i64(i64 %x) {
; GCN-IR-LABEL: v_test_sdiv_pow2_k_num_i64:
; GCN-IR: ; %bb.0: ; %_udiv-special-cases
; GCN-IR-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GCN-IR-NEXT: v_ashrrev_i32_e32 v12, 31, v1
-; GCN-IR-NEXT: v_xor_b32_e32 v0, v0, v12
-; GCN-IR-NEXT: v_xor_b32_e32 v1, v1, v12
-; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v12
-; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v12, vcc
+; GCN-IR-NEXT: v_ashrrev_i32_e32 v10, 31, v1
+; GCN-IR-NEXT: v_xor_b32_e32 v0, v0, v10
+; GCN-IR-NEXT: v_xor_b32_e32 v1, v1, v10
+; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v10
+; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v10, vcc
; GCN-IR-NEXT: v_ffbh_u32_e32 v2, v0
; GCN-IR-NEXT: v_add_i32_e32 v2, vcc, 32, v2
; GCN-IR-NEXT: v_ffbh_u32_e32 v3, v1
-; GCN-IR-NEXT: v_min_u32_e32 v10, v2, v3
+; GCN-IR-NEXT: v_min_u32_e32 v8, v2, v3
; GCN-IR-NEXT: s_movk_i32 s6, 0xffd0
-; GCN-IR-NEXT: v_add_i32_e32 v2, vcc, s6, v10
+; GCN-IR-NEXT: v_add_i32_e32 v2, vcc, s6, v8
; GCN-IR-NEXT: v_addc_u32_e64 v3, s[6:7], 0, -1, vcc
; GCN-IR-NEXT: v_cmp_eq_u64_e64 s[4:5], 0, v[0:1]
; GCN-IR-NEXT: v_cmp_lt_u64_e32 vcc, 63, v[2:3]
@@ -1684,70 +1694,69 @@ define i64 @v_test_sdiv_pow2_k_num_i64(i64 %x) {
; GCN-IR-NEXT: s_or_b64 s[4:5], s[4:5], vcc
; GCN-IR-NEXT: v_cndmask_b32_e64 v4, v4, 0, s[4:5]
; GCN-IR-NEXT: s_xor_b64 s[4:5], s[4:5], -1
-; GCN-IR-NEXT: v_mov_b32_e32 v13, v12
+; GCN-IR-NEXT: v_mov_b32_e32 v11, v10
; GCN-IR-NEXT: v_mov_b32_e32 v5, 0
; GCN-IR-NEXT: s_and_b64 s[4:5], s[4:5], s[6:7]
; GCN-IR-NEXT: s_and_saveexec_b64 s[6:7], s[4:5]
; GCN-IR-NEXT: s_cbranch_execz .LBB12_6
; GCN-IR-NEXT: ; %bb.1: ; %udiv-bb1
; GCN-IR-NEXT: v_add_i32_e32 v6, vcc, 1, v2
+; GCN-IR-NEXT: v_addc_u32_e32 v3, vcc, 0, v3, vcc
; GCN-IR-NEXT: v_sub_i32_e64 v2, s[4:5], 63, v2
-; GCN-IR-NEXT: v_addc_u32_e32 v7, vcc, 0, v3, vcc
-; GCN-IR-NEXT: s_mov_b64 s[4:5], 0x8000
+; GCN-IR-NEXT: s_mov_b64 s[8:9], 0x8000
+; GCN-IR-NEXT: v_lshl_b64 v[2:3], s[8:9], v2
; GCN-IR-NEXT: v_mov_b32_e32 v4, 0
-; GCN-IR-NEXT: v_cmp_ne_u64_e32 vcc, 0, v[6:7]
-; GCN-IR-NEXT: v_lshl_b64 v[2:3], s[4:5], v2
; GCN-IR-NEXT: v_mov_b32_e32 v5, 0
-; GCN-IR-NEXT: s_and_saveexec_b64 s[8:9], vcc
-; GCN-IR-NEXT: s_xor_b64 s[8:9], exec, s[8:9]
+; GCN-IR-NEXT: s_xor_b64 s[4:5], vcc, -1
+; GCN-IR-NEXT: s_and_saveexec_b64 s[10:11], s[4:5]
+; GCN-IR-NEXT: s_xor_b64 s[4:5], exec, s[10:11]
; GCN-IR-NEXT: s_cbranch_execz .LBB12_5
; GCN-IR-NEXT: ; %bb.2: ; %udiv-preheader
-; GCN-IR-NEXT: v_add_i32_e32 v14, vcc, -1, v0
-; GCN-IR-NEXT: v_addc_u32_e32 v15, vcc, -1, v1, vcc
-; GCN-IR-NEXT: v_lshr_b64 v[8:9], s[4:5], v6
-; GCN-IR-NEXT: v_sub_i32_e32 v6, vcc, 47, v10
-; GCN-IR-NEXT: v_mov_b32_e32 v10, 0
-; GCN-IR-NEXT: v_subb_u32_e64 v7, s[4:5], 0, 0, vcc
-; GCN-IR-NEXT: s_mov_b64 s[10:11], 0
-; GCN-IR-NEXT: v_mov_b32_e32 v11, 0
+; GCN-IR-NEXT: v_add_i32_e32 v12, vcc, -1, v0
+; GCN-IR-NEXT: v_addc_u32_e32 v13, vcc, -1, v1, vcc
+; GCN-IR-NEXT: v_sub_i32_e32 v14, vcc, 47, v8
+; GCN-IR-NEXT: v_lshr_b64 v[6:7], s[8:9], v6
+; GCN-IR-NEXT: v_subb_u32_e64 v15, s[8:9], 0, 0, vcc
+; GCN-IR-NEXT: v_mov_b32_e32 v8, 0
+; GCN-IR-NEXT: s_mov_b64 s[8:9], 0
+; GCN-IR-NEXT: v_mov_b32_e32 v9, 0
; GCN-IR-NEXT: v_mov_b32_e32 v5, 0
; GCN-IR-NEXT: .LBB12_3: ; %udiv-do-while
; GCN-IR-NEXT: ; =>This Inner Loop Header: Depth=1
-; GCN-IR-NEXT: v_lshl_b64 v[8:9], v[8:9], 1
+; GCN-IR-NEXT: v_lshl_b64 v[6:7], v[6:7], 1
; GCN-IR-NEXT: v_lshrrev_b32_e32 v4, 31, v3
-; GCN-IR-NEXT: v_or_b32_e32 v8, v8, v4
+; GCN-IR-NEXT: v_or_b32_e32 v6, v6, v4
; GCN-IR-NEXT: v_lshl_b64 v[2:3], v[2:3], 1
-; GCN-IR-NEXT: v_sub_i32_e32 v4, vcc, v14, v8
-; GCN-IR-NEXT: v_subb_u32_e32 v4, vcc, v15, v9, vcc
-; GCN-IR-NEXT: v_or_b32_e32 v2, v10, v2
-; GCN-IR-NEXT: v_ashrrev_i32_e32 v10, 31, v4
-; GCN-IR-NEXT: v_add_i32_e32 v6, vcc, 1, v6
-; GCN-IR-NEXT: v_or_b32_e32 v3, v11, v3
-; GCN-IR-NEXT: v_and_b32_e32 v4, 1, v10
-; GCN-IR-NEXT: v_and_b32_e32 v11, v10, v1
-; GCN-IR-NEXT: v_and_b32_e32 v10, v10, v0
-; GCN-IR-NEXT: v_addc_u32_e32 v7, vcc, 0, v7, vcc
-; GCN-IR-NEXT: v_cmp_eq_u64_e32 vcc, 0, v[6:7]
-; GCN-IR-NEXT: v_sub_i32_e64 v8, s[4:5], v8, v10
-; GCN-IR-NEXT: v_subb_u32_e64 v9, s[4:5], v9, v11, s[4:5]
-; GCN-IR-NEXT: v_mov_b32_e32 v11, v5
-; GCN-IR-NEXT: s_or_b64 s[10:11], vcc, s[10:11]
-; GCN-IR-NEXT: v_mov_b32_e32 v10, v4
-; GCN-IR-NEXT: s_andn2_b64 exec, exec, s[10:11]
+; GCN-IR-NEXT: v_sub_i32_e32 v4, vcc, v12, v6
+; GCN-IR-NEXT: v_subb_u32_e32 v4, vcc, v13, v7, vcc
+; GCN-IR-NEXT: v_or_b32_e32 v2, v8, v2
+; GCN-IR-NEXT: v_ashrrev_i32_e32 v8, 31, v4
+; GCN-IR-NEXT: v_or_b32_e32 v3, v9, v3
+; GCN-IR-NEXT: v_and_b32_e32 v4, 1, v8
+; GCN-IR-NEXT: v_and_b32_e32 v9, v8, v1
+; GCN-IR-NEXT: v_and_b32_e32 v8, v8, v0
+; GCN-IR-NEXT: v_sub_i32_e32 v6, vcc, v6, v8
+; GCN-IR-NEXT: v_subb_u32_e32 v7, vcc, v7, v9, vcc
+; GCN-IR-NEXT: v_add_i32_e32 v14, vcc, 1, v14
+; GCN-IR-NEXT: v_addc_u32_e32 v15, vcc, 0, v15, vcc
+; GCN-IR-NEXT: v_mov_b32_e32 v9, v5
+; GCN-IR-NEXT: s_or_b64 s[8:9], vcc, s[8:9]
+; GCN-IR-NEXT: v_mov_b32_e32 v8, v4
+; GCN-IR-NEXT: s_andn2_b64 exec, exec, s[8:9]
; GCN-IR-NEXT: s_cbranch_execnz .LBB12_3
; GCN-IR-NEXT: ; %bb.4: ; %Flow
-; GCN-IR-NEXT: s_or_b64 exec, exec, s[10:11]
-; GCN-IR-NEXT: .LBB12_5: ; %Flow4
; GCN-IR-NEXT: s_or_b64 exec, exec, s[8:9]
+; GCN-IR-NEXT: .LBB12_5: ; %Flow4
+; GCN-IR-NEXT: s_or_b64 exec, exec, s[4:5]
; GCN-IR-NEXT: v_lshl_b64 v[0:1], v[2:3], 1
; GCN-IR-NEXT: v_or_b32_e32 v5, v5, v1
; GCN-IR-NEXT: v_or_b32_e32 v4, v4, v0
; GCN-IR-NEXT: .LBB12_6: ; %Flow5
; GCN-IR-NEXT: s_or_b64 exec, exec, s[6:7]
-; GCN-IR-NEXT: v_xor_b32_e32 v0, v4, v12
-; GCN-IR-NEXT: v_xor_b32_e32 v1, v5, v13
-; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v12
-; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v13, vcc
+; GCN-IR-NEXT: v_xor_b32_e32 v0, v4, v10
+; GCN-IR-NEXT: v_xor_b32_e32 v1, v5, v11
+; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v10
+; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v11, vcc
; GCN-IR-NEXT: s_setpc_b64 s[30:31]
%result = sdiv i64 32768, %x
ret i64 %result
@@ -1767,20 +1776,20 @@ define i64 @v_test_sdiv_pow2_k_den_i64(i64 %x) {
; GCN-IR-LABEL: v_test_sdiv_pow2_k_den_i64:
; GCN-IR: ; %bb.0: ; %_udiv-special-cases
; GCN-IR-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GCN-IR-NEXT: v_ashrrev_i32_e32 v10, 31, v1
-; GCN-IR-NEXT: v_xor_b32_e32 v0, v0, v10
-; GCN-IR-NEXT: v_xor_b32_e32 v1, v1, v10
-; GCN-IR-NEXT: v_sub_i32_e32 v4, vcc, v0, v10
-; GCN-IR-NEXT: v_subb_u32_e32 v5, vcc, v1, v10, vcc
+; GCN-IR-NEXT: v_ashrrev_i32_e32 v8, 31, v1
+; GCN-IR-NEXT: v_xor_b32_e32 v0, v0, v8
+; GCN-IR-NEXT: v_xor_b32_e32 v1, v1, v8
+; GCN-IR-NEXT: v_sub_i32_e32 v4, vcc, v0, v8
+; GCN-IR-NEXT: v_subb_u32_e32 v5, vcc, v1, v8, vcc
; GCN-IR-NEXT: v_ffbh_u32_e32 v0, v4
; GCN-IR-NEXT: v_add_i32_e64 v0, s[4:5], 32, v0
; GCN-IR-NEXT: v_ffbh_u32_e32 v1, v5
-; GCN-IR-NEXT: v_min_u32_e32 v8, v0, v1
-; GCN-IR-NEXT: v_sub_i32_e64 v0, s[4:5], 48, v8
+; GCN-IR-NEXT: v_min_u32_e32 v6, v0, v1
+; GCN-IR-NEXT: v_sub_i32_e64 v0, s[4:5], 48, v6
; GCN-IR-NEXT: v_subb_u32_e64 v1, s[4:5], 0, 0, s[4:5]
; GCN-IR-NEXT: v_cmp_eq_u64_e32 vcc, 0, v[4:5]
; GCN-IR-NEXT: v_cmp_lt_u64_e64 s[4:5], 63, v[0:1]
-; GCN-IR-NEXT: v_mov_b32_e32 v11, v10
+; GCN-IR-NEXT: v_mov_b32_e32 v9, v8
; GCN-IR-NEXT: s_or_b64 s[4:5], vcc, s[4:5]
; GCN-IR-NEXT: v_cmp_ne_u64_e32 vcc, 63, v[0:1]
; GCN-IR-NEXT: s_xor_b64 s[6:7], s[4:5], -1
@@ -1790,61 +1799,60 @@ define i64 @v_test_sdiv_pow2_k_den_i64(i64 %x) {
; GCN-IR-NEXT: s_and_saveexec_b64 s[6:7], s[4:5]
; GCN-IR-NEXT: s_cbranch_execz .LBB13_6
; GCN-IR-NEXT: ; %bb.1: ; %udiv-bb1
-; GCN-IR-NEXT: v_add_i32_e32 v6, vcc, 1, v0
-; GCN-IR-NEXT: v_addc_u32_e32 v7, vcc, 0, v1, vcc
+; GCN-IR-NEXT: v_add_i32_e32 v7, vcc, 1, v0
+; GCN-IR-NEXT: v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GCN-IR-NEXT: v_sub_i32_e64 v0, s[4:5], 63, v0
-; GCN-IR-NEXT: v_mov_b32_e32 v2, 0
-; GCN-IR-NEXT: v_cmp_ne_u64_e32 vcc, 0, v[6:7]
; GCN-IR-NEXT: v_lshl_b64 v[0:1], v[4:5], v0
+; GCN-IR-NEXT: v_mov_b32_e32 v2, 0
; GCN-IR-NEXT: v_mov_b32_e32 v3, 0
-; GCN-IR-NEXT: s_and_saveexec_b64 s[4:5], vcc
-; GCN-IR-NEXT: s_xor_b64 s[8:9], exec, s[4:5]
+; GCN-IR-NEXT: s_xor_b64 s[4:5], vcc, -1
+; GCN-IR-NEXT: s_and_saveexec_b64 s[8:9], s[4:5]
+; GCN-IR-NEXT: s_xor_b64 s[4:5], exec, s[8:9]
; GCN-IR-NEXT: s_cbranch_execz .LBB13_5
; GCN-IR-NEXT: ; %bb.2: ; %udiv-preheader
-; GCN-IR-NEXT: v_lshr_b64 v[6:7], v[4:5], v6
-; GCN-IR-NEXT: v_add_i32_e32 v4, vcc, 0xffffffcf, v8
-; GCN-IR-NEXT: v_mov_b32_e32 v8, 0
-; GCN-IR-NEXT: v_addc_u32_e64 v5, s[4:5], 0, -1, vcc
-; GCN-IR-NEXT: s_mov_b64 s[10:11], 0
-; GCN-IR-NEXT: v_mov_b32_e32 v9, 0
+; GCN-IR-NEXT: v_add_i32_e32 v10, vcc, 0xffffffcf, v6
+; GCN-IR-NEXT: v_lshr_b64 v[4:5], v[4:5], v7
+; GCN-IR-NEXT: v_addc_u32_e64 v11, s[8:9], 0, -1, vcc
+; GCN-IR-NEXT: v_mov_b32_e32 v6, 0
+; GCN-IR-NEXT: s_mov_b64 s[8:9], 0
+; GCN-IR-NEXT: v_mov_b32_e32 v7, 0
; GCN-IR-NEXT: v_mov_b32_e32 v3, 0
-; GCN-IR-NEXT: s_movk_i32 s12, 0x7fff
+; GCN-IR-NEXT: s_movk_i32 s10, 0x7fff
; GCN-IR-NEXT: .LBB13_3: ; %udiv-do-while
; GCN-IR-NEXT: ; =>This Inner Loop Header: Depth=1
-; GCN-IR-NEXT: v_lshl_b64 v[6:7], v[6:7], 1
+; GCN-IR-NEXT: v_lshl_b64 v[4:5], v[4:5], 1
; GCN-IR-NEXT: v_lshrrev_b32_e32 v2, 31, v1
-; GCN-IR-NEXT: v_or_b32_e32 v6, v6, v2
-; GCN-IR-NEXT: v_sub_i32_e32 v2, vcc, s12, v6
+; GCN-IR-NEXT: v_or_b32_e32 v4, v4, v2
; GCN-IR-NEXT: v_lshl_b64 v[0:1], v[0:1], 1
-; GCN-IR-NEXT: v_subb_u32_e32 v2, vcc, 0, v7, vcc
-; GCN-IR-NEXT: v_add_i32_e32 v4, vcc, 1, v4
-; GCN-IR-NEXT: v_or_b32_e32 v0, v8, v0
-; GCN-IR-NEXT: v_ashrrev_i32_e32 v8, 31, v2
-; GCN-IR-NEXT: v_addc_u32_e32 v5, vcc, 0, v5, vcc
-; GCN-IR-NEXT: v_and_b32_e32 v2, 1, v8
-; GCN-IR-NEXT: v_and_b32_e32 v8, 0x8000, v8
-; GCN-IR-NEXT: v_cmp_eq_u64_e32 vcc, 0, v[4:5]
-; GCN-IR-NEXT: v_or_b32_e32 v1, v9, v1
-; GCN-IR-NEXT: v_sub_i32_e64 v6, s[4:5], v6, v8
-; GCN-IR-NEXT: v_mov_b32_e32 v9, v3
-; GCN-IR-NEXT: v_subbrev_u32_e64 v7, s[4:5], 0, v7, s[4:5]
-; GCN-IR-NEXT: s_or_b64 s[10:11], vcc, s[10:11]
-; GCN-IR-NEXT: v_mov_b32_e32 v8, v2
-; GCN-IR-NEXT: s_andn2_b64 exec, exec, s[10:11]
+; GCN-IR-NEXT: v_sub_i32_e32 v2, vcc, s10, v4
+; GCN-IR-NEXT: v_subb_u32_e32 v2, vcc, 0, v5, vcc
+; GCN-IR-NEXT: v_or_b32_e32 v0, v6, v0
+; GCN-IR-NEXT: v_ashrrev_i32_e32 v6, 31, v2
+; GCN-IR-NEXT: v_and_b32_e32 v2, 1, v6
+; GCN-IR-NEXT: v_and_b32_e32 v6, 0x8000, v6
+; GCN-IR-NEXT: v_sub_i32_e32 v4, vcc, v4, v6
+; GCN-IR-NEXT: v_subbrev_u32_e32 v5, vcc, 0, v5, vcc
+; GCN-IR-NEXT: v_add_i32_e32 v10, vcc, 1, v10
+; GCN-IR-NEXT: v_or_b32_e32 v1, v7, v1
+; GCN-IR-NEXT: v_addc_u32_e32 v11, vcc, 0, v11, vcc
+; GCN-IR-NEXT: v_mov_b32_e32 v7, v3
+; GCN-IR-NEXT: s_or_b64 s[8:9], vcc, s[8:9]
+; GCN-IR-NEXT: v_mov_b32_e32 v6, v2
+; GCN-IR-NEXT: s_andn2_b64 exec, exec, s[8:9]
; GCN-IR-NEXT: s_cbranch_execnz .LBB13_3
; GCN-IR-NEXT: ; %bb.4: ; %Flow
-; GCN-IR-NEXT: s_or_b64 exec, exec, s[10:11]
-; GCN-IR-NEXT: .LBB13_5: ; %Flow4
; GCN-IR-NEXT: s_or_b64 exec, exec, s[8:9]
+; GCN-IR-NEXT: .LBB13_5: ; %Flow4
+; GCN-IR-NEXT: s_or_b64 exec, exec, s[4:5]
; GCN-IR-NEXT: v_lshl_b64 v[0:1], v[0:1], 1
; GCN-IR-NEXT: v_or_b32_e32 v3, v3, v1
; GCN-IR-NEXT: v_or_b32_e32 v2, v2, v0
; GCN-IR-NEXT: .LBB13_6: ; %Flow5
; GCN-IR-NEXT: s_or_b64 exec, exec, s[6:7]
-; GCN-IR-NEXT: v_xor_b32_e32 v0, v2, v10
-; GCN-IR-NEXT: v_xor_b32_e32 v1, v3, v11
-; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v10
-; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v11, vcc
+; GCN-IR-NEXT: v_xor_b32_e32 v0, v2, v8
+; GCN-IR-NEXT: v_xor_b32_e32 v1, v3, v9
+; GCN-IR-NEXT: v_sub_i32_e32 v0, vcc, v0, v8
+; GCN-IR-NEXT: v_subb_u32_e32 v1, vcc, v1, v9, vcc
; GCN-IR-NEXT: s_setpc_b64 s[30:31]
%result = sdiv i64 %x, 32768
ret i64 %result
generated by cgit v1.1 at 2025-10-09 13:26:38 +0000