[llvm] 9d6003c - AMDGPU: Lower addrspacecast on gfx6

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Sun Dec 18 05:02:51 PST 2022


Author: Matt Arsenault
Date: 2022-12-18T08:02:45-05:00
New Revision: 9d6003c764fc4754959e4d7380f7c9d2559299f4

URL: https://github.com/llvm/llvm-project/commit/9d6003c764fc4754959e4d7380f7c9d2559299f4
DIFF: https://github.com/llvm/llvm-project/commit/9d6003c764fc4754959e4d7380f7c9d2559299f4.diff

LOG: AMDGPU: Lower addrspacecast on gfx6

Fixes inconsistent handling of constant-32bit case. Turns out we can
lower all the casts just fine, it's just accessing the flat results
that's a problem.

Added: 
    llvm/test/CodeGen/AMDGPU/addrspacecast.gfx6.ll

Modified: 
    llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
    llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-addrspacecast.mir

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
index 0e17895daa350..b84c23900951a 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -1980,9 +1980,6 @@ bool AMDGPULegalizerInfo::legalizeAddrSpaceCast(
   if (DestAS == AMDGPUAS::FLAT_ADDRESS &&
       (SrcAS == AMDGPUAS::LOCAL_ADDRESS ||
        SrcAS == AMDGPUAS::PRIVATE_ADDRESS)) {
-    if (!ST.hasFlatAddressSpace())
-      return false;
-
     Register ApertureReg = getSegmentAperture(SrcAS, MRI, B);
     if (!ApertureReg.isValid())
       return false;

diff  --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 023a2139ef6ca..2025bc84da09d 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -398,8 +398,7 @@ SITargetLowering::SITargetLowering(const TargetMachine &TM,
   setOperationAction(ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS, {MVT::i32, MVT::i64},
                      Expand);
 
-  if (Subtarget->hasFlatAddressSpace())
-    setOperationAction(ISD::ADDRSPACECAST, {MVT::i32, MVT::i64}, Custom);
+  setOperationAction(ISD::ADDRSPACECAST, {MVT::i32, MVT::i64}, Custom);
 
   setOperationAction(ISD::BITREVERSE, {MVT::i32, MVT::i64}, Legal);
 

diff  --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-addrspacecast.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-addrspacecast.mir
index 62652fd9ab586..c2f33d6df2dce 100644
--- a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-addrspacecast.mir
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-addrspacecast.mir
@@ -1,9 +1,9 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
-# RUN: llc -march=amdgcn -mcpu=fiji -O0 -run-pass=legalizer -o - %s  | FileCheck -check-prefix=VI %s
-# RUN: llc -march=amdgcn -mcpu=gfx900 -O0 -run-pass=legalizer -o - %s  | FileCheck -check-prefix=GFX9 %s
-# RUN: llc -march=amdgcn -mcpu=tahiti -O0 -run-pass=legalizer -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=SI %s
-# RUN: llc -march=amdgcn -mcpu=gfx1010 -O0 -run-pass=legalizer -o - %s  | FileCheck -check-prefix=GFX9 %s
-# RUN: llc -march=amdgcn -mcpu=gfx1100 -O0 -run-pass=legalizer -o - %s  | FileCheck -check-prefix=GFX9 %s
+# RUN: llc -march=amdgcn -mcpu=fiji -O0 -run-pass=legalizer -o - %s  | FileCheck -check-prefixes=GCN,SIVI %s
+# RUN: llc -march=amdgcn -mcpu=tahiti -O0 -run-pass=legalizer -o - %s  | FileCheck -check-prefixes=GCN,SIVI %s
+# RUN: llc -march=amdgcn -mcpu=gfx900 -O0 -run-pass=legalizer -o - %s  | FileCheck -check-prefixes=GCN,GFX9 %s
+# RUN: llc -march=amdgcn -mcpu=gfx1010 -O0 -run-pass=legalizer -o - %s  | FileCheck -check-prefixes=GCN,GFX9 %s
+# RUN: llc -march=amdgcn -mcpu=gfx1100 -O0 -run-pass=legalizer -o - %s  | FileCheck -check-prefixes=GCN,GFX9 %s
 
 ---
 name: test_addrspacecast_p0_to_p1
@@ -15,24 +15,12 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
-    ; VI-LABEL: name: test_addrspacecast_p0_to_p1
-    ; VI: liveins: $vgpr0_vgpr1
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; VI-NEXT: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[COPY]](p0)
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p1)
-    ; GFX9-LABEL: name: test_addrspacecast_p0_to_p1
-    ; GFX9: liveins: $vgpr0_vgpr1
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; GFX9-NEXT: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[COPY]](p0)
-    ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p1)
-    ; SI-LABEL: name: test_addrspacecast_p0_to_p1
-    ; SI: liveins: $vgpr0_vgpr1
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; SI-NEXT: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[COPY]](p0)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p1)
+    ; GCN-LABEL: name: test_addrspacecast_p0_to_p1
+    ; GCN: liveins: $vgpr0_vgpr1
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
+    ; GCN-NEXT: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[COPY]](p0)
+    ; GCN-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p1)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(p1) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -48,24 +36,12 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
-    ; VI-LABEL: name: test_addrspacecast_p1_to_p0
-    ; VI: liveins: $vgpr0_vgpr1
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
-    ; VI-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p1)
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
-    ; GFX9-LABEL: name: test_addrspacecast_p1_to_p0
-    ; GFX9: liveins: $vgpr0_vgpr1
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
-    ; GFX9-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p1)
-    ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
-    ; SI-LABEL: name: test_addrspacecast_p1_to_p0
-    ; SI: liveins: $vgpr0_vgpr1
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
-    ; SI-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p1)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
+    ; GCN-LABEL: name: test_addrspacecast_p1_to_p0
+    ; GCN: liveins: $vgpr0_vgpr1
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
+    ; GCN-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p1)
+    ; GCN-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(p0) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -80,24 +56,12 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
-    ; VI-LABEL: name: test_addrspacecast_p0_to_p4
-    ; VI: liveins: $vgpr0_vgpr1
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; VI-NEXT: [[BITCAST:%[0-9]+]]:_(p4) = G_BITCAST [[COPY]](p0)
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p4)
-    ; GFX9-LABEL: name: test_addrspacecast_p0_to_p4
-    ; GFX9: liveins: $vgpr0_vgpr1
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; GFX9-NEXT: [[BITCAST:%[0-9]+]]:_(p4) = G_BITCAST [[COPY]](p0)
-    ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p4)
-    ; SI-LABEL: name: test_addrspacecast_p0_to_p4
-    ; SI: liveins: $vgpr0_vgpr1
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; SI-NEXT: [[BITCAST:%[0-9]+]]:_(p4) = G_BITCAST [[COPY]](p0)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p4)
+    ; GCN-LABEL: name: test_addrspacecast_p0_to_p4
+    ; GCN: liveins: $vgpr0_vgpr1
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
+    ; GCN-NEXT: [[BITCAST:%[0-9]+]]:_(p4) = G_BITCAST [[COPY]](p0)
+    ; GCN-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p4)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(p4) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -112,24 +76,12 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
-    ; VI-LABEL: name: test_addrspacecast_p4_to_p0
-    ; VI: liveins: $vgpr0_vgpr1
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
-    ; VI-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p4)
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
-    ; GFX9-LABEL: name: test_addrspacecast_p4_to_p0
-    ; GFX9: liveins: $vgpr0_vgpr1
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
-    ; GFX9-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p4)
-    ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
-    ; SI-LABEL: name: test_addrspacecast_p4_to_p0
-    ; SI: liveins: $vgpr0_vgpr1
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
-    ; SI-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p4)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
+    ; GCN-LABEL: name: test_addrspacecast_p4_to_p0
+    ; GCN: liveins: $vgpr0_vgpr1
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
+    ; GCN-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p4)
+    ; GCN-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(p0) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -144,24 +96,12 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
-    ; VI-LABEL: name: test_addrspacecast_p0_to_p999
-    ; VI: liveins: $vgpr0_vgpr1
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; VI-NEXT: [[BITCAST:%[0-9]+]]:_(p999) = G_BITCAST [[COPY]](p0)
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p999)
-    ; GFX9-LABEL: name: test_addrspacecast_p0_to_p999
-    ; GFX9: liveins: $vgpr0_vgpr1
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; GFX9-NEXT: [[BITCAST:%[0-9]+]]:_(p999) = G_BITCAST [[COPY]](p0)
-    ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p999)
-    ; SI-LABEL: name: test_addrspacecast_p0_to_p999
-    ; SI: liveins: $vgpr0_vgpr1
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; SI-NEXT: [[BITCAST:%[0-9]+]]:_(p999) = G_BITCAST [[COPY]](p0)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p999)
+    ; GCN-LABEL: name: test_addrspacecast_p0_to_p999
+    ; GCN: liveins: $vgpr0_vgpr1
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
+    ; GCN-NEXT: [[BITCAST:%[0-9]+]]:_(p999) = G_BITCAST [[COPY]](p0)
+    ; GCN-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p999)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(p999) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -176,24 +116,12 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
-    ; VI-LABEL: name: test_addrspacecast_p999_to_p0
-    ; VI: liveins: $vgpr0_vgpr1
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p999) = COPY $vgpr0_vgpr1
-    ; VI-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p999)
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
-    ; GFX9-LABEL: name: test_addrspacecast_p999_to_p0
-    ; GFX9: liveins: $vgpr0_vgpr1
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p999) = COPY $vgpr0_vgpr1
-    ; GFX9-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p999)
-    ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
-    ; SI-LABEL: name: test_addrspacecast_p999_to_p0
-    ; SI: liveins: $vgpr0_vgpr1
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p999) = COPY $vgpr0_vgpr1
-    ; SI-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p999)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
+    ; GCN-LABEL: name: test_addrspacecast_p999_to_p0
+    ; GCN: liveins: $vgpr0_vgpr1
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p999) = COPY $vgpr0_vgpr1
+    ; GCN-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p999)
+    ; GCN-NEXT: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
     %0:_(p999) = COPY $vgpr0_vgpr1
     %1:_(p0) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -208,22 +136,22 @@ body: |
   bb.0:
     liveins: $vgpr0
 
-    ; VI-LABEL: name: test_addrspacecast_p5_to_p0
-    ; VI: liveins: $vgpr0, $sgpr4_sgpr5
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
-    ; VI-NEXT: [[COPY1:%[0-9]+]]:_(p5) = COPY $vgpr0
-    ; VI-NEXT: [[COPY2:%[0-9]+]]:_(p4) = COPY [[COPY]](p4)
-    ; VI-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 68
-    ; VI-NEXT: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY2]], [[C]](s64)
-    ; VI-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (dereferenceable invariant load (s32), addrspace 4)
-    ; VI-NEXT: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[COPY1]](p5)
-    ; VI-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[PTRTOINT]](s32), [[LOAD]](s32)
-    ; VI-NEXT: [[C1:%[0-9]+]]:_(p5) = G_CONSTANT i32 -1
-    ; VI-NEXT: [[C2:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; VI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY1]](p5), [[C1]]
-    ; VI-NEXT: [[SELECT:%[0-9]+]]:_(p0) = G_SELECT [[ICMP]](s1), [[MV]], [[C2]]
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[SELECT]](p0)
+    ; SIVI-LABEL: name: test_addrspacecast_p5_to_p0
+    ; SIVI: liveins: $vgpr0, $sgpr4_sgpr5
+    ; SIVI-NEXT: {{  $}}
+    ; SIVI-NEXT: [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
+    ; SIVI-NEXT: [[COPY1:%[0-9]+]]:_(p5) = COPY $vgpr0
+    ; SIVI-NEXT: [[COPY2:%[0-9]+]]:_(p4) = COPY [[COPY]](p4)
+    ; SIVI-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 68
+    ; SIVI-NEXT: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY2]], [[C]](s64)
+    ; SIVI-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (dereferenceable invariant load (s32), addrspace 4)
+    ; SIVI-NEXT: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[COPY1]](p5)
+    ; SIVI-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[PTRTOINT]](s32), [[LOAD]](s32)
+    ; SIVI-NEXT: [[C1:%[0-9]+]]:_(p5) = G_CONSTANT i32 -1
+    ; SIVI-NEXT: [[C2:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
+    ; SIVI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY1]](p5), [[C1]]
+    ; SIVI-NEXT: [[SELECT:%[0-9]+]]:_(p0) = G_SELECT [[ICMP]](s1), [[MV]], [[C2]]
+    ; SIVI-NEXT: $vgpr0_vgpr1 = COPY [[SELECT]](p0)
     ; GFX9-LABEL: name: test_addrspacecast_p5_to_p0
     ; GFX9: liveins: $vgpr0
     ; GFX9-NEXT: {{  $}}
@@ -237,12 +165,6 @@ body: |
     ; GFX9-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](p5), [[C]]
     ; GFX9-NEXT: [[SELECT:%[0-9]+]]:_(p0) = G_SELECT [[ICMP]](s1), [[MV]], [[C1]]
     ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[SELECT]](p0)
-    ; SI-LABEL: name: test_addrspacecast_p5_to_p0
-    ; SI: liveins: $vgpr0
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
-    ; SI-NEXT: [[ADDRSPACE_CAST:%[0-9]+]]:_(p0) = G_ADDRSPACE_CAST [[COPY]](p5)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[ADDRSPACE_CAST]](p0)
     %0:_(p5) = COPY $vgpr0
     %1:_(p0) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -257,36 +179,16 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
-    ; VI-LABEL: name: test_addrspacecast_p0_to_p5
-    ; VI: liveins: $vgpr0_vgpr1
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; VI-NEXT: [[C:%[0-9]+]]:_(p5) = G_CONSTANT i32 -1
-    ; VI-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; VI-NEXT: [[EXTRACT:%[0-9]+]]:_(p5) = G_EXTRACT [[COPY]](p0), 0
-    ; VI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](p0), [[C1]]
-    ; VI-NEXT: [[SELECT:%[0-9]+]]:_(p5) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
-    ; VI-NEXT: $vgpr0 = COPY [[SELECT]](p5)
-    ; GFX9-LABEL: name: test_addrspacecast_p0_to_p5
-    ; GFX9: liveins: $vgpr0_vgpr1
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; GFX9-NEXT: [[C:%[0-9]+]]:_(p5) = G_CONSTANT i32 -1
-    ; GFX9-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; GFX9-NEXT: [[EXTRACT:%[0-9]+]]:_(p5) = G_EXTRACT [[COPY]](p0), 0
-    ; GFX9-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](p0), [[C1]]
-    ; GFX9-NEXT: [[SELECT:%[0-9]+]]:_(p5) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
-    ; GFX9-NEXT: $vgpr0 = COPY [[SELECT]](p5)
-    ; SI-LABEL: name: test_addrspacecast_p0_to_p5
-    ; SI: liveins: $vgpr0_vgpr1
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; SI-NEXT: [[C:%[0-9]+]]:_(p5) = G_CONSTANT i32 -1
-    ; SI-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; SI-NEXT: [[EXTRACT:%[0-9]+]]:_(p5) = G_EXTRACT [[COPY]](p0), 0
-    ; SI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](p0), [[C1]]
-    ; SI-NEXT: [[SELECT:%[0-9]+]]:_(p5) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
-    ; SI-NEXT: $vgpr0 = COPY [[SELECT]](p5)
+    ; GCN-LABEL: name: test_addrspacecast_p0_to_p5
+    ; GCN: liveins: $vgpr0_vgpr1
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
+    ; GCN-NEXT: [[C:%[0-9]+]]:_(p5) = G_CONSTANT i32 -1
+    ; GCN-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
+    ; GCN-NEXT: [[EXTRACT:%[0-9]+]]:_(p5) = G_EXTRACT [[COPY]](p0), 0
+    ; GCN-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](p0), [[C1]]
+    ; GCN-NEXT: [[SELECT:%[0-9]+]]:_(p5) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
+    ; GCN-NEXT: $vgpr0 = COPY [[SELECT]](p5)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(p5) = G_ADDRSPACE_CAST %0
     $vgpr0 = COPY %1
@@ -302,22 +204,22 @@ body: |
   bb.0:
     liveins: $vgpr0
 
-    ; VI-LABEL: name: test_addrspacecast_p3_to_p0
-    ; VI: liveins: $vgpr0, $sgpr4_sgpr5
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
-    ; VI-NEXT: [[COPY1:%[0-9]+]]:_(p3) = COPY $vgpr0
-    ; VI-NEXT: [[COPY2:%[0-9]+]]:_(p4) = COPY [[COPY]](p4)
-    ; VI-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
-    ; VI-NEXT: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY2]], [[C]](s64)
-    ; VI-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (dereferenceable invariant load (s32), align 64, addrspace 4)
-    ; VI-NEXT: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[COPY1]](p3)
-    ; VI-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[PTRTOINT]](s32), [[LOAD]](s32)
-    ; VI-NEXT: [[C1:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
-    ; VI-NEXT: [[C2:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; VI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY1]](p3), [[C1]]
-    ; VI-NEXT: [[SELECT:%[0-9]+]]:_(p0) = G_SELECT [[ICMP]](s1), [[MV]], [[C2]]
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[SELECT]](p0)
+    ; SIVI-LABEL: name: test_addrspacecast_p3_to_p0
+    ; SIVI: liveins: $vgpr0, $sgpr4_sgpr5
+    ; SIVI-NEXT: {{  $}}
+    ; SIVI-NEXT: [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
+    ; SIVI-NEXT: [[COPY1:%[0-9]+]]:_(p3) = COPY $vgpr0
+    ; SIVI-NEXT: [[COPY2:%[0-9]+]]:_(p4) = COPY [[COPY]](p4)
+    ; SIVI-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
+    ; SIVI-NEXT: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY2]], [[C]](s64)
+    ; SIVI-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (dereferenceable invariant load (s32), align 64, addrspace 4)
+    ; SIVI-NEXT: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[COPY1]](p3)
+    ; SIVI-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[PTRTOINT]](s32), [[LOAD]](s32)
+    ; SIVI-NEXT: [[C1:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
+    ; SIVI-NEXT: [[C2:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
+    ; SIVI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY1]](p3), [[C1]]
+    ; SIVI-NEXT: [[SELECT:%[0-9]+]]:_(p0) = G_SELECT [[ICMP]](s1), [[MV]], [[C2]]
+    ; SIVI-NEXT: $vgpr0_vgpr1 = COPY [[SELECT]](p0)
     ; GFX9-LABEL: name: test_addrspacecast_p3_to_p0
     ; GFX9: liveins: $vgpr0
     ; GFX9-NEXT: {{  $}}
@@ -331,12 +233,6 @@ body: |
     ; GFX9-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](p3), [[C]]
     ; GFX9-NEXT: [[SELECT:%[0-9]+]]:_(p0) = G_SELECT [[ICMP]](s1), [[MV]], [[C1]]
     ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[SELECT]](p0)
-    ; SI-LABEL: name: test_addrspacecast_p3_to_p0
-    ; SI: liveins: $vgpr0
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p3) = COPY $vgpr0
-    ; SI-NEXT: [[ADDRSPACE_CAST:%[0-9]+]]:_(p0) = G_ADDRSPACE_CAST [[COPY]](p3)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[ADDRSPACE_CAST]](p0)
     %0:_(p3) = COPY $vgpr0
     %1:_(p0) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -351,36 +247,16 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
-    ; VI-LABEL: name: test_addrspacecast_p0_to_p3
-    ; VI: liveins: $vgpr0_vgpr1
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; VI-NEXT: [[C:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
-    ; VI-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; VI-NEXT: [[EXTRACT:%[0-9]+]]:_(p3) = G_EXTRACT [[COPY]](p0), 0
-    ; VI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](p0), [[C1]]
-    ; VI-NEXT: [[SELECT:%[0-9]+]]:_(p3) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
-    ; VI-NEXT: $vgpr0 = COPY [[SELECT]](p3)
-    ; GFX9-LABEL: name: test_addrspacecast_p0_to_p3
-    ; GFX9: liveins: $vgpr0_vgpr1
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; GFX9-NEXT: [[C:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
-    ; GFX9-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; GFX9-NEXT: [[EXTRACT:%[0-9]+]]:_(p3) = G_EXTRACT [[COPY]](p0), 0
-    ; GFX9-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](p0), [[C1]]
-    ; GFX9-NEXT: [[SELECT:%[0-9]+]]:_(p3) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
-    ; GFX9-NEXT: $vgpr0 = COPY [[SELECT]](p3)
-    ; SI-LABEL: name: test_addrspacecast_p0_to_p3
-    ; SI: liveins: $vgpr0_vgpr1
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; SI-NEXT: [[C:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
-    ; SI-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; SI-NEXT: [[EXTRACT:%[0-9]+]]:_(p3) = G_EXTRACT [[COPY]](p0), 0
-    ; SI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](p0), [[C1]]
-    ; SI-NEXT: [[SELECT:%[0-9]+]]:_(p3) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
-    ; SI-NEXT: $vgpr0 = COPY [[SELECT]](p3)
+    ; GCN-LABEL: name: test_addrspacecast_p0_to_p3
+    ; GCN: liveins: $vgpr0_vgpr1
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
+    ; GCN-NEXT: [[C:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
+    ; GCN-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
+    ; GCN-NEXT: [[EXTRACT:%[0-9]+]]:_(p3) = G_EXTRACT [[COPY]](p0), 0
+    ; GCN-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](p0), [[C1]]
+    ; GCN-NEXT: [[SELECT:%[0-9]+]]:_(p3) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
+    ; GCN-NEXT: $vgpr0 = COPY [[SELECT]](p3)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(p3) = G_ADDRSPACE_CAST %0
     $vgpr0 = COPY %1
@@ -395,33 +271,15 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1_vgpr2_vgpr3
 
-    ; VI-LABEL: name: test_addrspacecast_v2p0_to_v2p1
-    ; VI: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
-    ; VI-NEXT: [[UV:%[0-9]+]]:_(p0), [[UV1:%[0-9]+]]:_(p0) = G_UNMERGE_VALUES [[COPY]](<2 x p0>)
-    ; VI-NEXT: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[UV]](p0)
-    ; VI-NEXT: [[BITCAST1:%[0-9]+]]:_(p1) = G_BITCAST [[UV1]](p0)
-    ; VI-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p1>) = G_BUILD_VECTOR [[BITCAST]](p1), [[BITCAST1]](p1)
-    ; VI-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p1>)
-    ; GFX9-LABEL: name: test_addrspacecast_v2p0_to_v2p1
-    ; GFX9: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
-    ; GFX9-NEXT: [[UV:%[0-9]+]]:_(p0), [[UV1:%[0-9]+]]:_(p0) = G_UNMERGE_VALUES [[COPY]](<2 x p0>)
-    ; GFX9-NEXT: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[UV]](p0)
-    ; GFX9-NEXT: [[BITCAST1:%[0-9]+]]:_(p1) = G_BITCAST [[UV1]](p0)
-    ; GFX9-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p1>) = G_BUILD_VECTOR [[BITCAST]](p1), [[BITCAST1]](p1)
-    ; GFX9-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p1>)
-    ; SI-LABEL: name: test_addrspacecast_v2p0_to_v2p1
-    ; SI: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
-    ; SI-NEXT: [[UV:%[0-9]+]]:_(p0), [[UV1:%[0-9]+]]:_(p0) = G_UNMERGE_VALUES [[COPY]](<2 x p0>)
-    ; SI-NEXT: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[UV]](p0)
-    ; SI-NEXT: [[BITCAST1:%[0-9]+]]:_(p1) = G_BITCAST [[UV1]](p0)
-    ; SI-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p1>) = G_BUILD_VECTOR [[BITCAST]](p1), [[BITCAST1]](p1)
-    ; SI-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p1>)
+    ; GCN-LABEL: name: test_addrspacecast_v2p0_to_v2p1
+    ; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
+    ; GCN-NEXT: [[UV:%[0-9]+]]:_(p0), [[UV1:%[0-9]+]]:_(p0) = G_UNMERGE_VALUES [[COPY]](<2 x p0>)
+    ; GCN-NEXT: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[UV]](p0)
+    ; GCN-NEXT: [[BITCAST1:%[0-9]+]]:_(p1) = G_BITCAST [[UV1]](p0)
+    ; GCN-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p1>) = G_BUILD_VECTOR [[BITCAST]](p1), [[BITCAST1]](p1)
+    ; GCN-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p1>)
     %0:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
     %1:_(<2 x p1>) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
@@ -436,33 +294,15 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1_vgpr2_vgpr3
 
-    ; VI-LABEL: name: test_addrspacecast_v2p1_to_v2p0
-    ; VI: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(<2 x p1>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
-    ; VI-NEXT: [[UV:%[0-9]+]]:_(p1), [[UV1:%[0-9]+]]:_(p1) = G_UNMERGE_VALUES [[COPY]](<2 x p1>)
-    ; VI-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[UV]](p1)
-    ; VI-NEXT: [[BITCAST1:%[0-9]+]]:_(p0) = G_BITCAST [[UV1]](p1)
-    ; VI-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[BITCAST]](p0), [[BITCAST1]](p0)
-    ; VI-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p0>)
-    ; GFX9-LABEL: name: test_addrspacecast_v2p1_to_v2p0
-    ; GFX9: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(<2 x p1>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
-    ; GFX9-NEXT: [[UV:%[0-9]+]]:_(p1), [[UV1:%[0-9]+]]:_(p1) = G_UNMERGE_VALUES [[COPY]](<2 x p1>)
-    ; GFX9-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[UV]](p1)
-    ; GFX9-NEXT: [[BITCAST1:%[0-9]+]]:_(p0) = G_BITCAST [[UV1]](p1)
-    ; GFX9-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[BITCAST]](p0), [[BITCAST1]](p0)
-    ; GFX9-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p0>)
-    ; SI-LABEL: name: test_addrspacecast_v2p1_to_v2p0
-    ; SI: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(<2 x p1>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
-    ; SI-NEXT: [[UV:%[0-9]+]]:_(p1), [[UV1:%[0-9]+]]:_(p1) = G_UNMERGE_VALUES [[COPY]](<2 x p1>)
-    ; SI-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[UV]](p1)
-    ; SI-NEXT: [[BITCAST1:%[0-9]+]]:_(p0) = G_BITCAST [[UV1]](p1)
-    ; SI-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[BITCAST]](p0), [[BITCAST1]](p0)
-    ; SI-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p0>)
+    ; GCN-LABEL: name: test_addrspacecast_v2p1_to_v2p0
+    ; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(<2 x p1>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
+    ; GCN-NEXT: [[UV:%[0-9]+]]:_(p1), [[UV1:%[0-9]+]]:_(p1) = G_UNMERGE_VALUES [[COPY]](<2 x p1>)
+    ; GCN-NEXT: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[UV]](p1)
+    ; GCN-NEXT: [[BITCAST1:%[0-9]+]]:_(p0) = G_BITCAST [[UV1]](p1)
+    ; GCN-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[BITCAST]](p0), [[BITCAST1]](p0)
+    ; GCN-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p0>)
     %0:_(<2 x p1>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
     %1:_(<2 x p0>) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
@@ -477,51 +317,21 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1_vgpr2_vgpr3
 
-    ; VI-LABEL: name: test_addrspacecast_v2p0_to_v2p3
-    ; VI: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
-    ; VI-NEXT: [[UV:%[0-9]+]]:_(p0), [[UV1:%[0-9]+]]:_(p0) = G_UNMERGE_VALUES [[COPY]](<2 x p0>)
-    ; VI-NEXT: [[C:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
-    ; VI-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; VI-NEXT: [[EXTRACT:%[0-9]+]]:_(p3) = G_EXTRACT [[UV]](p0), 0
-    ; VI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](p0), [[C1]]
-    ; VI-NEXT: [[SELECT:%[0-9]+]]:_(p3) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
-    ; VI-NEXT: [[EXTRACT1:%[0-9]+]]:_(p3) = G_EXTRACT [[UV1]](p0), 0
-    ; VI-NEXT: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](p0), [[C1]]
-    ; VI-NEXT: [[SELECT1:%[0-9]+]]:_(p3) = G_SELECT [[ICMP1]](s1), [[EXTRACT1]], [[C]]
-    ; VI-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[SELECT]](p3), [[SELECT1]](p3)
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
-    ; GFX9-LABEL: name: test_addrspacecast_v2p0_to_v2p3
-    ; GFX9: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
-    ; GFX9-NEXT: [[UV:%[0-9]+]]:_(p0), [[UV1:%[0-9]+]]:_(p0) = G_UNMERGE_VALUES [[COPY]](<2 x p0>)
-    ; GFX9-NEXT: [[C:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
-    ; GFX9-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; GFX9-NEXT: [[EXTRACT:%[0-9]+]]:_(p3) = G_EXTRACT [[UV]](p0), 0
-    ; GFX9-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](p0), [[C1]]
-    ; GFX9-NEXT: [[SELECT:%[0-9]+]]:_(p3) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
-    ; GFX9-NEXT: [[EXTRACT1:%[0-9]+]]:_(p3) = G_EXTRACT [[UV1]](p0), 0
-    ; GFX9-NEXT: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](p0), [[C1]]
-    ; GFX9-NEXT: [[SELECT1:%[0-9]+]]:_(p3) = G_SELECT [[ICMP1]](s1), [[EXTRACT1]], [[C]]
-    ; GFX9-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[SELECT]](p3), [[SELECT1]](p3)
-    ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
-    ; SI-LABEL: name: test_addrspacecast_v2p0_to_v2p3
-    ; SI: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
-    ; SI-NEXT: [[UV:%[0-9]+]]:_(p0), [[UV1:%[0-9]+]]:_(p0) = G_UNMERGE_VALUES [[COPY]](<2 x p0>)
-    ; SI-NEXT: [[C:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
-    ; SI-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; SI-NEXT: [[EXTRACT:%[0-9]+]]:_(p3) = G_EXTRACT [[UV]](p0), 0
-    ; SI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](p0), [[C1]]
-    ; SI-NEXT: [[SELECT:%[0-9]+]]:_(p3) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
-    ; SI-NEXT: [[EXTRACT1:%[0-9]+]]:_(p3) = G_EXTRACT [[UV1]](p0), 0
-    ; SI-NEXT: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](p0), [[C1]]
-    ; SI-NEXT: [[SELECT1:%[0-9]+]]:_(p3) = G_SELECT [[ICMP1]](s1), [[EXTRACT1]], [[C]]
-    ; SI-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[SELECT]](p3), [[SELECT1]](p3)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
+    ; GCN-LABEL: name: test_addrspacecast_v2p0_to_v2p3
+    ; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
+    ; GCN-NEXT: [[UV:%[0-9]+]]:_(p0), [[UV1:%[0-9]+]]:_(p0) = G_UNMERGE_VALUES [[COPY]](<2 x p0>)
+    ; GCN-NEXT: [[C:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
+    ; GCN-NEXT: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
+    ; GCN-NEXT: [[EXTRACT:%[0-9]+]]:_(p3) = G_EXTRACT [[UV]](p0), 0
+    ; GCN-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](p0), [[C1]]
+    ; GCN-NEXT: [[SELECT:%[0-9]+]]:_(p3) = G_SELECT [[ICMP]](s1), [[EXTRACT]], [[C]]
+    ; GCN-NEXT: [[EXTRACT1:%[0-9]+]]:_(p3) = G_EXTRACT [[UV1]](p0), 0
+    ; GCN-NEXT: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](p0), [[C1]]
+    ; GCN-NEXT: [[SELECT1:%[0-9]+]]:_(p3) = G_SELECT [[ICMP1]](s1), [[EXTRACT1]], [[C]]
+    ; GCN-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[SELECT]](p3), [[SELECT1]](p3)
+    ; GCN-NEXT: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
     %0:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
     %1:_(<2 x p3>) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -536,31 +346,31 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
-    ; VI-LABEL: name: test_addrspacecast_v2p3_to_v2p0
-    ; VI: liveins: $vgpr0_vgpr1, $sgpr4_sgpr5
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
-    ; VI-NEXT: [[COPY1:%[0-9]+]]:_(<2 x p3>) = COPY $vgpr0_vgpr1
-    ; VI-NEXT: [[UV:%[0-9]+]]:_(p3), [[UV1:%[0-9]+]]:_(p3) = G_UNMERGE_VALUES [[COPY1]](<2 x p3>)
-    ; VI-NEXT: [[COPY2:%[0-9]+]]:_(p4) = COPY [[COPY]](p4)
-    ; VI-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
-    ; VI-NEXT: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY2]], [[C]](s64)
-    ; VI-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (dereferenceable invariant load (s32), align 64, addrspace 4)
-    ; VI-NEXT: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[UV]](p3)
-    ; VI-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[PTRTOINT]](s32), [[LOAD]](s32)
-    ; VI-NEXT: [[C1:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
-    ; VI-NEXT: [[C2:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
-    ; VI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](p3), [[C1]]
-    ; VI-NEXT: [[SELECT:%[0-9]+]]:_(p0) = G_SELECT [[ICMP]](s1), [[MV]], [[C2]]
-    ; VI-NEXT: [[COPY3:%[0-9]+]]:_(p4) = COPY [[COPY]](p4)
-    ; VI-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY3]], [[C]](s64)
-    ; VI-NEXT: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (dereferenceable invariant load (s32), align 64, addrspace 4)
-    ; VI-NEXT: [[PTRTOINT1:%[0-9]+]]:_(s32) = G_PTRTOINT [[UV1]](p3)
-    ; VI-NEXT: [[MV1:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[PTRTOINT1]](s32), [[LOAD1]](s32)
-    ; VI-NEXT: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](p3), [[C1]]
-    ; VI-NEXT: [[SELECT1:%[0-9]+]]:_(p0) = G_SELECT [[ICMP1]](s1), [[MV1]], [[C2]]
-    ; VI-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[SELECT]](p0), [[SELECT1]](p0)
-    ; VI-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p0>)
+    ; SIVI-LABEL: name: test_addrspacecast_v2p3_to_v2p0
+    ; SIVI: liveins: $vgpr0_vgpr1, $sgpr4_sgpr5
+    ; SIVI-NEXT: {{  $}}
+    ; SIVI-NEXT: [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
+    ; SIVI-NEXT: [[COPY1:%[0-9]+]]:_(<2 x p3>) = COPY $vgpr0_vgpr1
+    ; SIVI-NEXT: [[UV:%[0-9]+]]:_(p3), [[UV1:%[0-9]+]]:_(p3) = G_UNMERGE_VALUES [[COPY1]](<2 x p3>)
+    ; SIVI-NEXT: [[COPY2:%[0-9]+]]:_(p4) = COPY [[COPY]](p4)
+    ; SIVI-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
+    ; SIVI-NEXT: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY2]], [[C]](s64)
+    ; SIVI-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (dereferenceable invariant load (s32), align 64, addrspace 4)
+    ; SIVI-NEXT: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[UV]](p3)
+    ; SIVI-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[PTRTOINT]](s32), [[LOAD]](s32)
+    ; SIVI-NEXT: [[C1:%[0-9]+]]:_(p3) = G_CONSTANT i32 -1
+    ; SIVI-NEXT: [[C2:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
+    ; SIVI-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](p3), [[C1]]
+    ; SIVI-NEXT: [[SELECT:%[0-9]+]]:_(p0) = G_SELECT [[ICMP]](s1), [[MV]], [[C2]]
+    ; SIVI-NEXT: [[COPY3:%[0-9]+]]:_(p4) = COPY [[COPY]](p4)
+    ; SIVI-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY3]], [[C]](s64)
+    ; SIVI-NEXT: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (dereferenceable invariant load (s32), align 64, addrspace 4)
+    ; SIVI-NEXT: [[PTRTOINT1:%[0-9]+]]:_(s32) = G_PTRTOINT [[UV1]](p3)
+    ; SIVI-NEXT: [[MV1:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[PTRTOINT1]](s32), [[LOAD1]](s32)
+    ; SIVI-NEXT: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](p3), [[C1]]
+    ; SIVI-NEXT: [[SELECT1:%[0-9]+]]:_(p0) = G_SELECT [[ICMP1]](s1), [[MV1]], [[C2]]
+    ; SIVI-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[SELECT]](p0), [[SELECT1]](p0)
+    ; SIVI-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p0>)
     ; GFX9-LABEL: name: test_addrspacecast_v2p3_to_v2p0
     ; GFX9: liveins: $vgpr0_vgpr1
     ; GFX9-NEXT: {{  $}}
@@ -582,15 +392,6 @@ body: |
     ; GFX9-NEXT: [[SELECT1:%[0-9]+]]:_(p0) = G_SELECT [[ICMP1]](s1), [[MV1]], [[C1]]
     ; GFX9-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[SELECT]](p0), [[SELECT1]](p0)
     ; GFX9-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p0>)
-    ; SI-LABEL: name: test_addrspacecast_v2p3_to_v2p0
-    ; SI: liveins: $vgpr0_vgpr1
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(<2 x p3>) = COPY $vgpr0_vgpr1
-    ; SI-NEXT: [[UV:%[0-9]+]]:_(p3), [[UV1:%[0-9]+]]:_(p3) = G_UNMERGE_VALUES [[COPY]](<2 x p3>)
-    ; SI-NEXT: [[ADDRSPACE_CAST:%[0-9]+]]:_(p0) = G_ADDRSPACE_CAST [[UV]](p3)
-    ; SI-NEXT: [[ADDRSPACE_CAST1:%[0-9]+]]:_(p0) = G_ADDRSPACE_CAST [[UV1]](p3)
-    ; SI-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[ADDRSPACE_CAST]](p0), [[ADDRSPACE_CAST1]](p0)
-    ; SI-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p0>)
     %0:_(<2 x p3>) = COPY $vgpr0_vgpr1
     %1:_(<2 x p0>) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
@@ -602,24 +403,12 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
-    ; VI-LABEL: name: test_addrspacecast_p4_to_p6
-    ; VI: liveins: $vgpr0_vgpr1
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
-    ; VI-NEXT: [[EXTRACT:%[0-9]+]]:_(p6) = G_EXTRACT [[COPY]](p4), 0
-    ; VI-NEXT: $vgpr0 = COPY [[EXTRACT]](p6)
-    ; GFX9-LABEL: name: test_addrspacecast_p4_to_p6
-    ; GFX9: liveins: $vgpr0_vgpr1
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
-    ; GFX9-NEXT: [[EXTRACT:%[0-9]+]]:_(p6) = G_EXTRACT [[COPY]](p4), 0
-    ; GFX9-NEXT: $vgpr0 = COPY [[EXTRACT]](p6)
-    ; SI-LABEL: name: test_addrspacecast_p4_to_p6
-    ; SI: liveins: $vgpr0_vgpr1
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
-    ; SI-NEXT: [[EXTRACT:%[0-9]+]]:_(p6) = G_EXTRACT [[COPY]](p4), 0
-    ; SI-NEXT: $vgpr0 = COPY [[EXTRACT]](p6)
+    ; GCN-LABEL: name: test_addrspacecast_p4_to_p6
+    ; GCN: liveins: $vgpr0_vgpr1
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
+    ; GCN-NEXT: [[EXTRACT:%[0-9]+]]:_(p6) = G_EXTRACT [[COPY]](p4), 0
+    ; GCN-NEXT: $vgpr0 = COPY [[EXTRACT]](p6)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(p6) = G_ADDRSPACE_CAST %0
     $vgpr0 = COPY %1
@@ -631,27 +420,13 @@ body: |
   bb.0:
     liveins: $vgpr0
 
-    ; VI-LABEL: name: test_addrspacecast_p6_to_p4_0
-    ; VI: liveins: $vgpr0
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
-    ; VI-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
-    ; VI-NEXT: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p4)
-    ; GFX9-LABEL: name: test_addrspacecast_p6_to_p4_0
-    ; GFX9: liveins: $vgpr0
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
-    ; GFX9-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
-    ; GFX9-NEXT: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
-    ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p4)
-    ; SI-LABEL: name: test_addrspacecast_p6_to_p4_0
-    ; SI: liveins: $vgpr0
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
-    ; SI-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
-    ; SI-NEXT: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p4)
+    ; GCN-LABEL: name: test_addrspacecast_p6_to_p4_0
+    ; GCN: liveins: $vgpr0
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
+    ; GCN-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
+    ; GCN-NEXT: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
+    ; GCN-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p4)
     %0:_(p6) = COPY $vgpr0
     %1:_(p4) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -665,27 +440,13 @@ body: |
   bb.0:
     liveins: $vgpr0
 
-    ; VI-LABEL: name: test_addrspacecast_p6_to_p4_0xdeadbeef
-    ; VI: liveins: $vgpr0
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
-    ; VI-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 -559038737
-    ; VI-NEXT: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p4)
-    ; GFX9-LABEL: name: test_addrspacecast_p6_to_p4_0xdeadbeef
-    ; GFX9: liveins: $vgpr0
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
-    ; GFX9-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 -559038737
-    ; GFX9-NEXT: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
-    ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p4)
-    ; SI-LABEL: name: test_addrspacecast_p6_to_p4_0xdeadbeef
-    ; SI: liveins: $vgpr0
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
-    ; SI-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 -559038737
-    ; SI-NEXT: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p4)
+    ; GCN-LABEL: name: test_addrspacecast_p6_to_p4_0xdeadbeef
+    ; GCN: liveins: $vgpr0
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
+    ; GCN-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 -559038737
+    ; GCN-NEXT: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
+    ; GCN-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p4)
     %0:_(p6) = COPY $vgpr0
     %1:_(p4) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -697,24 +458,12 @@ body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
-    ; VI-LABEL: name: test_addrspacecast_p0_to_p6
-    ; VI: liveins: $vgpr0_vgpr1
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; VI-NEXT: [[EXTRACT:%[0-9]+]]:_(p6) = G_EXTRACT [[COPY]](p0), 0
-    ; VI-NEXT: $vgpr0 = COPY [[EXTRACT]](p6)
-    ; GFX9-LABEL: name: test_addrspacecast_p0_to_p6
-    ; GFX9: liveins: $vgpr0_vgpr1
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; GFX9-NEXT: [[EXTRACT:%[0-9]+]]:_(p6) = G_EXTRACT [[COPY]](p0), 0
-    ; GFX9-NEXT: $vgpr0 = COPY [[EXTRACT]](p6)
-    ; SI-LABEL: name: test_addrspacecast_p0_to_p6
-    ; SI: liveins: $vgpr0_vgpr1
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
-    ; SI-NEXT: [[EXTRACT:%[0-9]+]]:_(p6) = G_EXTRACT [[COPY]](p0), 0
-    ; SI-NEXT: $vgpr0 = COPY [[EXTRACT]](p6)
+    ; GCN-LABEL: name: test_addrspacecast_p0_to_p6
+    ; GCN: liveins: $vgpr0_vgpr1
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
+    ; GCN-NEXT: [[EXTRACT:%[0-9]+]]:_(p6) = G_EXTRACT [[COPY]](p0), 0
+    ; GCN-NEXT: $vgpr0 = COPY [[EXTRACT]](p6)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(p6) = G_ADDRSPACE_CAST %0
     $vgpr0 = COPY %1
@@ -726,27 +475,13 @@ body: |
   bb.0:
     liveins: $vgpr0
 
-    ; VI-LABEL: name: test_addrspacecast_p6_to_p0
-    ; VI: liveins: $vgpr0
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
-    ; VI-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
-    ; VI-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p0)
-    ; GFX9-LABEL: name: test_addrspacecast_p6_to_p0
-    ; GFX9: liveins: $vgpr0
-    ; GFX9-NEXT: {{  $}}
-    ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
-    ; GFX9-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
-    ; GFX9-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
-    ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p0)
-    ; SI-LABEL: name: test_addrspacecast_p6_to_p0
-    ; SI: liveins: $vgpr0
-    ; SI-NEXT: {{  $}}
-    ; SI-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
-    ; SI-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
-    ; SI-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p0)
+    ; GCN-LABEL: name: test_addrspacecast_p6_to_p0
+    ; GCN: liveins: $vgpr0
+    ; GCN-NEXT: {{  $}}
+    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
+    ; GCN-NEXT: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
+    ; GCN-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
+    ; GCN-NEXT: $vgpr0_vgpr1 = COPY [[MV]](p0)
     %0:_(p6) = COPY $vgpr0
     %1:_(p0) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1
@@ -760,19 +495,19 @@ stack:
   - { id: 0, size: 4, alignment: 4 }
 body: |
   bb.0:
-    ; VI-LABEL: name: test_addrspacecast_p5_fi_to_p0
-    ; VI: liveins: $sgpr4_sgpr5
-    ; VI-NEXT: {{  $}}
-    ; VI-NEXT: [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
-    ; VI-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p5) = G_FRAME_INDEX %stack.0
-    ; VI-NEXT: [[COPY1:%[0-9]+]]:_(p4) = COPY [[COPY]](p4)
-    ; VI-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 68
-    ; VI-NEXT: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY1]], [[C]](s64)
-    ; VI-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (dereferenceable invariant load (s32), addrspace 4)
-    ; VI-NEXT: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[FRAME_INDEX]](p5)
-    ; VI-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[PTRTOINT]](s32), [[LOAD]](s32)
-    ; VI-NEXT: [[COPY2:%[0-9]+]]:_(p0) = COPY [[MV]](p0)
-    ; VI-NEXT: $vgpr0_vgpr1 = COPY [[COPY2]](p0)
+    ; SIVI-LABEL: name: test_addrspacecast_p5_fi_to_p0
+    ; SIVI: liveins: $sgpr4_sgpr5
+    ; SIVI-NEXT: {{  $}}
+    ; SIVI-NEXT: [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
+    ; SIVI-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p5) = G_FRAME_INDEX %stack.0
+    ; SIVI-NEXT: [[COPY1:%[0-9]+]]:_(p4) = COPY [[COPY]](p4)
+    ; SIVI-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 68
+    ; SIVI-NEXT: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY1]], [[C]](s64)
+    ; SIVI-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (dereferenceable invariant load (s32), addrspace 4)
+    ; SIVI-NEXT: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[FRAME_INDEX]](p5)
+    ; SIVI-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[PTRTOINT]](s32), [[LOAD]](s32)
+    ; SIVI-NEXT: [[COPY2:%[0-9]+]]:_(p0) = COPY [[MV]](p0)
+    ; SIVI-NEXT: $vgpr0_vgpr1 = COPY [[COPY2]](p0)
     ; GFX9-LABEL: name: test_addrspacecast_p5_fi_to_p0
     ; GFX9: [[FRAME_INDEX:%[0-9]+]]:_(p5) = G_FRAME_INDEX %stack.0
     ; GFX9-NEXT: [[S_MOV_B64_:%[0-9]+]]:sreg_64(s64) = S_MOV_B64 $src_private_base
@@ -781,10 +516,6 @@ body: |
     ; GFX9-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[PTRTOINT]](s32), [[UV1]](s32)
     ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY [[MV]](p0)
     ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[COPY]](p0)
-    ; SI-LABEL: name: test_addrspacecast_p5_fi_to_p0
-    ; SI: [[FRAME_INDEX:%[0-9]+]]:_(p5) = G_FRAME_INDEX %stack.0
-    ; SI-NEXT: [[ADDRSPACE_CAST:%[0-9]+]]:_(p0) = G_ADDRSPACE_CAST [[FRAME_INDEX]](p5)
-    ; SI-NEXT: $vgpr0_vgpr1 = COPY [[ADDRSPACE_CAST]](p0)
     %0:_(p5) = G_FRAME_INDEX %stack.0
     %1:_(p0) = G_ADDRSPACE_CAST %0
     $vgpr0_vgpr1 = COPY %1

diff  --git a/llvm/test/CodeGen/AMDGPU/addrspacecast.gfx6.ll b/llvm/test/CodeGen/AMDGPU/addrspacecast.gfx6.ll
new file mode 100644
index 0000000000000..10dec31e62305
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/addrspacecast.gfx6.ll
@@ -0,0 +1,154 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -global-isel=0 -mtriple=amdgcn-amd-amdpal -mcpu=tahiti < %s | FileCheck %s
+; RUN: llc -global-isel=1 -mtriple=amdgcn-amd-amdpal -mcpu=tahiti < %s | FileCheck %s
+
+define ptr @global_to_flat_addrspacecast(ptr addrspace(1) %ptr) {
+; CHECK-LABEL: global_to_flat_addrspacecast:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %stof = addrspacecast ptr addrspace(1) %ptr to ptr
+  ret ptr %stof
+}
+
+define ptr addrspace(1) @flat_to_gobal_addrspacecast(ptr %ptr) {
+; CHECK-LABEL: flat_to_gobal_addrspacecast:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %stof = addrspacecast ptr %ptr to ptr addrspace(1)
+  ret ptr addrspace(1) %stof
+}
+
+define ptr @group_to_flat_addrspacecast(ptr addrspace(3) %ptr) {
+; CHECK-LABEL: group_to_flat_addrspacecast:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_load_dword s4, s[6:7], 0x10
+; CHECK-NEXT:    v_cmp_ne_u32_e32 vcc, -1, v0
+; CHECK-NEXT:    v_cndmask_b32_e32 v0, 0, v0, vcc
+; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
+; CHECK-NEXT:    v_mov_b32_e32 v1, s4
+; CHECK-NEXT:    v_cndmask_b32_e32 v1, 0, v1, vcc
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %stof = addrspacecast ptr addrspace(3) %ptr to ptr
+  ret ptr %stof
+}
+
+define ptr addrspace(3) @flat_to_group_addrspacecast(ptr %ptr) {
+; CHECK-LABEL: flat_to_group_addrspacecast:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_cmp_ne_u64_e32 vcc, 0, v[0:1]
+; CHECK-NEXT:    v_cndmask_b32_e32 v0, -1, v0, vcc
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %stof = addrspacecast ptr %ptr to ptr addrspace(3)
+  ret ptr addrspace(3) %stof
+}
+
+define ptr @private_to_flat_addrspacecast(ptr addrspace(5) %ptr) {
+; CHECK-LABEL: private_to_flat_addrspacecast:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_load_dword s4, s[6:7], 0x11
+; CHECK-NEXT:    v_cmp_ne_u32_e32 vcc, -1, v0
+; CHECK-NEXT:    v_cndmask_b32_e32 v0, 0, v0, vcc
+; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
+; CHECK-NEXT:    v_mov_b32_e32 v1, s4
+; CHECK-NEXT:    v_cndmask_b32_e32 v1, 0, v1, vcc
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %stof = addrspacecast ptr addrspace(5) %ptr to ptr
+  ret ptr %stof
+}
+
+define ptr addrspace(5) @flat_to_private_addrspacecast(ptr %ptr) {
+; CHECK-LABEL: flat_to_private_addrspacecast:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_cmp_ne_u64_e32 vcc, 0, v[0:1]
+; CHECK-NEXT:    v_cndmask_b32_e32 v0, -1, v0, vcc
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %stof = addrspacecast ptr %ptr to ptr addrspace(5)
+  ret ptr addrspace(5) %stof
+}
+
+define ptr addrspace(6) @constant_to_constant32_addrspacecast(ptr addrspace(4) %ptr, i32 %offset) {
+; CHECK-LABEL: constant_to_constant32_addrspacecast:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_add_i32_e32 v0, vcc, v0, v2
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %addrspacecast = addrspacecast ptr addrspace(4) %ptr to ptr addrspace(6)
+  %gep = getelementptr i8, ptr addrspace(6) %addrspacecast, i32 %offset
+  ret ptr addrspace(6) %gep
+}
+
+define ptr addrspace(6)  @global_to_constant32_addrspacecast(ptr addrspace(1) %ptr, i32 %offset) {
+; CHECK-LABEL: global_to_constant32_addrspacecast:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_add_i32_e32 v0, vcc, v0, v2
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %addrspacecast = addrspacecast ptr addrspace(1) %ptr to ptr addrspace(6)
+  %gep = getelementptr i8, ptr addrspace(6) %addrspacecast, i32 %offset
+  ret ptr addrspace(6) %gep
+}
+
+define ptr @constant32bit_to_flat_addrspacecast_0(ptr addrspace(6) %ptr) {
+; CHECK-LABEL: constant32bit_to_flat_addrspacecast_0:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_mov_b32_e32 v1, 0
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %stof = addrspacecast ptr addrspace(6) %ptr to ptr
+  ret ptr %stof
+}
+
+define ptr @constant32bit_to_flat_addrspacecast_1(ptr addrspace(6) %ptr) #0 {
+; CHECK-LABEL: constant32bit_to_flat_addrspacecast_1:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_mov_b32_e32 v1, 0xffff8000
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %stof = addrspacecast ptr addrspace(6) %ptr to ptr
+  ret ptr %stof
+}
+
+define ptr addrspace(1) @addrspacecast_flat_null_to_global() {
+; CHECK-LABEL: addrspacecast_flat_null_to_global:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_mov_b32_e32 v0, 0
+; CHECK-NEXT:    v_mov_b32_e32 v1, 0
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  ret ptr addrspace(1) addrspacecast (ptr null to ptr addrspace(1))
+}
+
+define ptr addrspace(3) @addrspacecast_flat_null_to_group() {
+; CHECK-LABEL: addrspacecast_flat_null_to_group:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_mov_b32_e32 v0, -1
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  ret ptr addrspace(3) addrspacecast (ptr null to ptr addrspace(3))
+}
+
+define ptr addrspace(5) @addrspacecast_flat_null_to_private() {
+; CHECK-LABEL: addrspacecast_flat_null_to_private:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_mov_b32_e32 v0, -1
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  ret ptr addrspace(5) addrspacecast (ptr null to ptr addrspace(5))
+}
+
+define ptr addrspace(6) @addrspacecast_flat_null_to_constant32bit() {
+; CHECK-LABEL: addrspacecast_flat_null_to_constant32bit:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_mov_b32_e32 v0, 0
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  ret ptr addrspace(6) addrspacecast (ptr null to ptr addrspace(6))
+}
+
+attributes #0 = { "amdgpu-32bit-address-high-bits"="0xffff8000" }


        


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