AMDGPU: Remove VS/SV mappings from select

These would violate the constant bus restriction

llvm-svn: 350517

1 files changed, 69 insertions, 101 deletions

diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-select.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-select.mir
index 331de807207..441d541133a 100644
--- a/llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-select.mir
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-select.mir
@@ -1,34 +1,21 @@
-# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -global-isel %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck --check-prefixes=GCN,FAST %s
-# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -global-isel %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck --check-prefixes=GCN,GREEDY %s
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -global-isel %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -global-isel %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck %s
 
-# REQUIRES: global-isel
-
---- |
-  define void @select_sss() { ret void }
-  define void @select_ssv() { ret void }
-  define void @select_svs() { ret void }
-  define void @select_svv() { ret void }
-  define void @select_vss() { ret void }
-  define void @select_vsv() { ret void }
-  define void @select_vvs() { ret void }
-  define void @select_vvv() { ret void }
-...
 
 ---
 name: select_sss
 legalized: true
-
-# GCN-LABEL: name: select_sss
-# GCN: [[SGPR0:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-# GCN: [[SGPR1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
-# GCN: [[SGPR2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
-# GCN: [[SGPR3:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
-# GCN: [[SCC:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[SGPR0]](s32), [[SGPR1]]
-# GCN: {{%[0-9]+}}:sgpr(s32) = G_SELECT [[SCC]](s1), [[SGPR2]], [[SGPR3]]
-
 body: |
   bb.0:
     liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3
+    ; CHECK-LABEL: name: select_sss
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+    ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
+    ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
+    ; CHECK: [[SELECT:%[0-9]+]]:sgpr(s32) = G_SELECT [[ICMP]](s1), [[COPY2]], [[COPY3]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $sgpr1
     %2:_(s32) = COPY $sgpr2
@@ -40,24 +27,21 @@ body: |
 ---
 name: select_ssv
 legalized: true
-
-# GCN-LABEL: name: select_ssv
-# GCN: [[SGPR0:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-# GCN: [[SGPR1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
-# GCN: [[SGPR2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
-# GCN: [[VGPR0:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-# GCN: [[SCC:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[SGPR0]](s32), [[SGPR1]]
-# GCN: [[SCC_S:%[0-9]+]]:sgpr(s1) = COPY [[SCC]]
-# FAST:   [[SGPR2_V:%[0-9]+]]:vgpr(s32) = COPY [[SGPR2]]
-# FAST:   {{%[0-9]+}}:vgpr(s32) = G_SELECT [[SCC_S]](s1), [[SGPR2_V]], [[VGPR0]]
-# GREEDY: {{%[0-9]+}}:vgpr(s32) = G_SELECT [[SCC_S]](s1), [[SGPR2]], [[VGPR0]]
-
 body: |
   bb.0:
     liveins: $sgpr0, $sgpr1, $sgpr2, $vgpr0
+    ; CHECK-LABEL: name: select_ssv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
+    ; CHECK: [[COPY4:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY2]](s32)
+    ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[COPY4]](s1), [[COPY5]], [[COPY3]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $sgpr1
-    %2:_(s32) = COPY $sgpr2 
+    %2:_(s32) = COPY $sgpr2
     %3:_(s32) = COPY $vgpr0
     %4:_(s1) = G_ICMP intpred(ne), %0, %1
     %5:_(s32) = G_SELECT %4, %2, %3
@@ -67,21 +51,18 @@ body: |
 ---
 name: select_svs
 legalized: true
-
-# GCN-LABEL: name: select_svs
-# GCN: [[SGPR0:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-# GCN: [[SGPR1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
-# GCN: [[SGPR2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
-# GCN: [[VGPR0:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-# GCN: [[SCC:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[SGPR0]](s32), [[SGPR1]]
-# GCN: [[SCC_S:%[0-9]+]]:sgpr(s1) = COPY [[SCC]]
-# FAST:   [[SGPR2_V:%[0-9]+]]:vgpr(s32) = COPY [[SGPR2]]
-# FAST:   {{%[0-9]+}}:vgpr(s32) = G_SELECT [[SCC_S]](s1), [[VGPR0]], [[SGPR2_V]]
-# GREEDY: {{%[0-9]+}}:vgpr(s32) = G_SELECT [[SCC_S]](s1), [[VGPR0]], [[SGPR2]]
-
 body: |
   bb.0:
     liveins: $sgpr0, $sgpr1, $sgpr2, $vgpr0
+    ; CHECK-LABEL: name: select_svs
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
+    ; CHECK: [[COPY4:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY2]](s32)
+    ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[COPY4]](s1), [[COPY3]], [[COPY5]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $sgpr1
     %2:_(s32) = COPY $sgpr2
@@ -93,19 +74,17 @@ body: |
 ---
 name: select_svv
 legalized: true
-
-# GCN-LABEL: name: select_svv
-# GCN: [[SGPR0:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-# GCN: [[SGPR1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
-# GCN: [[VGPR0:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-# GCN: [[VGPR1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
-# GCN: [[SCC:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[SGPR0]](s32), [[SGPR1]]
-# GCN: [[SCC_S:%[0-9]+]]:sgpr(s1) = COPY [[SCC]]
-# GCN: {{%[0-9]+}}:vgpr(s32) = G_SELECT [[SCC_S]](s1), [[VGPR0]], [[VGPR1]]
-
 body: |
   bb.0:
     liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1
+    ; CHECK-LABEL: name: select_svv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
+    ; CHECK: [[COPY4:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[COPY4]](s1), [[COPY2]], [[COPY3]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $sgpr1
     %2:_(s32) = COPY $vgpr0
@@ -117,21 +96,18 @@ body: |
 ---
 name: select_vss
 legalized: true
-
-# GCN-LABEL: name: select_vss
-# GCN:  [[SGPR0:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-# GCN:  [[SGPR1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
-# GCN:  [[VGPR0:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-# GCN:  [[VGPR1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
-# GCN:  [[VCC:%[0-9]+]]:sgpr(s1) = G_ICMP intpred(ne), [[VGPR0]](s32), [[VGPR1]]
-# FAST:  [[SGPR0_V:%[0-9]+]]:vgpr(s32) = COPY [[SGPR0]]
-# GCN:  [[SGPR1_V:%[0-9]+]]:vgpr(s32) = COPY [[SGPR1]]
-# FAST:  {{%[0-9]+}}:vgpr(s32) = G_SELECT [[VCC]](s1), [[SGPR0_V]], [[SGPR1_V]]
-# GREDY: {{%[0-9]+}}:vgpr(s32) = G_SELECT [[VCC]](s1), [[SGPR0]], [[SGPR1_V]]
-
 body: |
   bb.0:
     liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1
+    ; CHECK-LABEL: name: select_vss
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[ICMP:%[0-9]+]]:sgpr(s1) = G_ICMP intpred(ne), [[COPY2]](s32), [[COPY3]]
+    ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[ICMP]](s1), [[COPY4]], [[COPY5]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $sgpr1
     %2:_(s32) = COPY $vgpr0
@@ -143,20 +119,17 @@ body: |
 ---
 name: select_vsv
 legalized: true
-
-# GCN-LABEL: name: select_vsv
-# GCN:  [[SGPR0:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-# GCN:  [[VGPR0:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-# GCN:  [[VGPR1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
-# GCN:  [[VGPR2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
-# GCN:  [[VCC:%[0-9]+]]:sgpr(s1) = G_ICMP intpred(ne), [[VGPR0]](s32), [[VGPR1]]
-# FAST:   [[SGPR0_V:%[0-9]+]]:vgpr(s32) = COPY [[SGPR0]]
-# FAST:   {{%[0-9]+}}:vgpr(s32) = G_SELECT [[VCC]](s1), [[SGPR0_V]], [[VGPR2]]
-# GREEDY: {{%[0-9]+}}:vgpr(s32) = G_SELECT [[VCC]](s1), [[SGPR0]], [[VGPR2]]
-
 body: |
   bb.0:
     liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr2
+    ; CHECK-LABEL: name: select_vsv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+    ; CHECK: [[ICMP:%[0-9]+]]:sgpr(s1) = G_ICMP intpred(ne), [[COPY1]](s32), [[COPY2]]
+    ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[ICMP]](s1), [[COPY4]], [[COPY3]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $vgpr0
     %2:_(s32) = COPY $vgpr1
@@ -168,20 +141,17 @@ body: |
 ---
 name: select_vvs
 legalized: true
-
-# GCN-LABEL: name: select_vvs
-# GCN:  [[SGPR0:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-# GCN:  [[VGPR0:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-# GCN:  [[VGPR1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
-# GCN:  [[VGPR2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
-# GCN:  [[VCC:%[0-9]+]]:sgpr(s1) = G_ICMP intpred(ne), [[VGPR0]](s32), [[VGPR1]]
-# FAST:   [[SGPR0_V:%[0-9]+]]:vgpr(s32) = COPY [[SGPR0]]
-# FAST:   {{%[0-9]+}}:vgpr(s32) = G_SELECT [[VCC]](s1), [[VGPR2]], [[SGPR0_V]]
-# GREEDY: {{%[0-9]+}}:vgpr(s32) = G_SELECT [[VCC]](s1), [[VGPR2]], [[SGPR0]]
-
 body: |
   bb.0:
     liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr2
+    ; CHECK-LABEL: name: select_vvs
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+    ; CHECK: [[ICMP:%[0-9]+]]:sgpr(s1) = G_ICMP intpred(ne), [[COPY1]](s32), [[COPY2]]
+    ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[ICMP]](s1), [[COPY3]], [[COPY4]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $vgpr0
     %2:_(s32) = COPY $vgpr1
@@ -193,18 +163,16 @@ body: |
 ---
 name: select_vvv
 legalized: true
-
-# GCN-LABEL: name: select_vvv
-# GCN: [[VGPR0:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-# GCN: [[VGPR1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
-# GCN: [[VGPR2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
-# GCN: [[VGPR3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3
-# GCN: [[VCC:%[0-9]+]]:sgpr(s1) = G_ICMP intpred(ne), [[VGPR0]](s32), [[VGPR1]]
-# GCN: {{%[0-9]+}}:vgpr(s32) = G_SELECT [[VCC]](s1), [[VGPR2]], [[VGPR3]]
-
 body: |
   bb.0:
     liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
+    ; CHECK-LABEL: name: select_vvv
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3
+    ; CHECK: [[ICMP:%[0-9]+]]:sgpr(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
+    ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[ICMP]](s1), [[COPY2]], [[COPY3]]
     %0:_(s32) = COPY $vgpr0
     %1:_(s32) = COPY $vgpr1
     %2:_(s32) = COPY $vgpr2