Updating a lit-test

Author: yoonseoch

llvm/test/CodeGen/AMDGPU/postra-bundle-memops.mir

@@ -114,7 +114,7 @@ body:             |
     $vgpr3 = DS_READ_B32_gfx9 $vgpr1, 0, 0, implicit $exec
 ...
 
-# Loads are not bundled due to middle deb_value
+# Middle dbg_value should be bundled
 ---
 name: bundle_dbg_value_0
 tracksRegLiveness: true
@@ -135,7 +135,7 @@ body:             |
 
 ...
 
-# Loads are not bundled due to middle deb_value
+# Middle dbg_value should be bundled
 ---
 name: bundle_dbg_value_1
 tracksRegLiveness: true
@@ -159,7 +159,7 @@ body:             |
     DBG_VALUE $vgpr2, 0, 0
 ...
 
-# Loads are not bundled due to middle deb_value
+# Starting and ending dbg_values should not be in the bundle
 ---
 name: bundle_dbg_value_2
 tracksRegLiveness: true
@@ -183,7 +183,6 @@ body:             |
     DBG_VALUE $vgpr2, 0, 0
 ...
 
-# Loads are not bundled due to KILL
 ---
 name: bundle_kill
 tracksRegLiveness: true
@@ -353,74 +352,7 @@ body:             |
     KILL killed $vgpr3_vgpr4, killed $vgpr5_vgpr6
 ...
 
-# The 3rd and 4th loads are not bundled due to an in-between SCHED_BARRIER meta instruction.
-# This helps SCHED_BARRIERs are honored maximally.
-# MASK 1924 = 0b 0111 1000 0100 VALU and all VMEM, VMEM Read/Write cannot be
-#                     scheduled across SCHED_BARRIER.
-
----
-name: extra_sched_barrier_in_bundle
-tracksRegLiveness: true
-body: |
-  bb.0:
-    ; GCN-LABEL: name: extra_sched_barrier_in_bundle
-    ; GCN: renamable $sgpr0_sgpr1 = IMPLICIT_DEF
-    ; GCN-NEXT: renamable $vgpr0 = IMPLICIT_DEF
-    ; GCN-NEXT: BUNDLE implicit-def $vgpr1, implicit-def $vgpr1_lo16, implicit-def $vgpr1_hi16, implicit-def $vgpr2, implicit-def $vgpr2_lo16, implicit-def $vgpr2_hi16, implicit $sgpr0_sgpr1, implicit $vgpr0, implicit $exec {
-    ; GCN-NEXT:   renamable $vgpr1 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr0_sgpr1, renamable $vgpr0, 0, 0, implicit $exec
-    ; GCN-NEXT:   renamable $vgpr2 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr0_sgpr1, renamable $vgpr0, 512, 0, implicit $exec
-    ; GCN-NEXT: }
-    ; GCN-NEXT: renamable $sgpr2_sgpr3 = IMPLICIT_DEF
-    ; GCN-NEXT: renamable $vgpr10 = IMPLICIT_DEF
-    ; GCN-NEXT: renamable $vgpr1 = nsw V_MUL_LO_U32_e64 killed $vgpr1, $vgpr1, implicit $exec
-    ; GCN-NEXT: renamable $vgpr2 = nsw V_MUL_LO_U32_e64 killed $vgpr2, $vgpr2, implicit $exec
-    ; GCN-NEXT: SCHED_BARRIER 1924
-    ; GCN-NEXT: renamable $vgpr11 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr2_sgpr3, renamable $vgpr10, 0, 0, implicit $exec, implicit-def $vgpr11, implicit-def $vgpr11_lo16, implicit-def $vgpr11_hi16, implicit $sgpr2_sgpr3, implicit $vgpr10
-    ; GCN-NEXT: SCHED_BARRIER 1924
-    ; GCN-NEXT: renamable $vgpr12 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr2_sgpr3, renamable $vgpr10, 512, 0, implicit $exec, implicit-def $vgpr12, implicit-def $vgpr12_lo16, implicit-def $vgpr12_hi16, implicit $sgpr2_sgpr3, implicit $vgpr10
-    ; GCN-NEXT: renamable $sgpr4_sgpr5 = IMPLICIT_DEF
-    ; GCN-NEXT: renamable $vgpr0 = IMPLICIT_DEF
-    ; GCN-NEXT: renamable $vgpr11 = nsw V_MUL_LO_U32_e64 killed $vgpr11, $vgpr11, implicit $exec
-    ; GCN-NEXT: renamable $vgpr12 = nsw V_MUL_LO_U32_e64 killed $vgpr12, $vgpr12, implicit $exec
-    ; GCN-NEXT: BUNDLE implicit killed $vgpr10, implicit killed $vgpr11, implicit killed $sgpr2_sgpr3, implicit $exec, implicit killed $vgpr12 {
-    ; GCN-NEXT:   GLOBAL_STORE_DWORD_SADDR renamable $vgpr10, killed renamable $vgpr11, renamable $sgpr2_sgpr3, 0, 0, implicit $exec
-    ; GCN-NEXT:   GLOBAL_STORE_DWORD_SADDR killed renamable $vgpr10, killed renamable $vgpr12, killed renamable $sgpr2_sgpr3, 512, 0, implicit $exec
-    ; GCN-NEXT: }
-    ; GCN-NEXT: BUNDLE implicit killed $vgpr0, implicit killed $vgpr1, implicit killed $sgpr4_sgpr5, implicit $exec, implicit killed $vgpr2 {
-    ; GCN-NEXT:   GLOBAL_STORE_DWORD_SADDR renamable $vgpr0, killed renamable $vgpr1, renamable $sgpr4_sgpr5, 0, 0, implicit $exec
-    ; GCN-NEXT:   GLOBAL_STORE_DWORD_SADDR killed renamable $vgpr0, killed renamable $vgpr2, killed renamable $sgpr4_sgpr5, 512, 0, implicit $exec
-    ; GCN-NEXT: }
-    ; GCN-NEXT: S_ENDPGM 0
-    renamable $sgpr0_sgpr1 = IMPLICIT_DEF
-    renamable $vgpr0 = IMPLICIT_DEF
-    BUNDLE implicit-def $vgpr1, implicit-def $vgpr1_lo16, implicit-def $vgpr1_hi16, implicit-def $vgpr2, implicit-def $vgpr2_lo16, implicit-def $vgpr2_hi16, implicit $sgpr0_sgpr1, implicit $vgpr0, implicit $exec {
-      renamable $vgpr1 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr0_sgpr1, renamable $vgpr0, 0, 0, implicit $exec
-      renamable $vgpr2 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr0_sgpr1, renamable $vgpr0, 512, 0, implicit $exec
-    }
-    renamable $sgpr2_sgpr3 = IMPLICIT_DEF
-    renamable $vgpr10 = IMPLICIT_DEF
-    renamable $vgpr1 = nsw V_MUL_LO_U32_e64 killed $vgpr1, $vgpr1, implicit $exec
-    renamable $vgpr2 = nsw V_MUL_LO_U32_e64 killed $vgpr2, $vgpr2, implicit $exec
-    SCHED_BARRIER 1924
-    renamable $vgpr11 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr2_sgpr3, renamable $vgpr10, 0, 0, implicit $exec, implicit-def $vgpr11, implicit-def $vgpr11_lo16, implicit-def $vgpr11_hi16, implicit $sgpr2_sgpr3, implicit $vgpr10
-    SCHED_BARRIER 1924
-    renamable $vgpr12 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr2_sgpr3, renamable $vgpr10, 512, 0, implicit $exec, implicit-def $vgpr12, implicit-def $vgpr12_lo16, implicit-def $vgpr12_hi16, implicit $sgpr2_sgpr3, implicit $vgpr10
-    renamable $sgpr4_sgpr5 = IMPLICIT_DEF
-    renamable $vgpr0 = IMPLICIT_DEF
-    renamable $vgpr11 = nsw V_MUL_LO_U32_e64 killed $vgpr11, $vgpr11, implicit $exec
-    renamable $vgpr12 = nsw V_MUL_LO_U32_e64 killed $vgpr12, $vgpr12, implicit $exec
-    BUNDLE implicit killed $vgpr10, implicit killed $vgpr11, implicit killed $sgpr2_sgpr3, implicit $exec, implicit killed $vgpr12 {
-      GLOBAL_STORE_DWORD_SADDR renamable $vgpr10, killed renamable $vgpr11, renamable $sgpr2_sgpr3, 0, 0, implicit $exec
-      GLOBAL_STORE_DWORD_SADDR killed renamable $vgpr10, killed renamable $vgpr12, killed renamable $sgpr2_sgpr3, 512, 0, implicit $exec
-    }
-    BUNDLE implicit killed $vgpr0, implicit killed $vgpr1, implicit killed $sgpr4_sgpr5, implicit $exec, implicit killed $vgpr2 {
-      GLOBAL_STORE_DWORD_SADDR renamable $vgpr0, killed renamable $vgpr1, renamable $sgpr4_sgpr5, 0, 0, implicit $exec
-      GLOBAL_STORE_DWORD_SADDR killed renamable $vgpr0, killed renamable $vgpr2, killed renamable $sgpr4_sgpr5, 512, 0, implicit $exec
-    }
-    S_ENDPGM 0
-...
-
-# Bypass bundling if a MBB has SCHED_BARRIER
+# Avoid bundling if a MBB has SCHED_BARRIER
 ---
 name: no_bundle_with_sched_barrier
 tracksRegLiveness: true