[llvm] faccf42 - AMDGPU/GlobalISel: Remove special case lowering for non-pow-2 stores

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Fri Jul 30 09:37:37 PDT 2021


Author: Matt Arsenault
Date: 2021-07-30T12:37:29-04:00
New Revision: faccf427dfd137b857df916b358c0c888118918e

URL: https://github.com/llvm/llvm-project/commit/faccf427dfd137b857df916b358c0c888118918e
DIFF: https://github.com/llvm/llvm-project/commit/faccf427dfd137b857df916b358c0c888118918e.diff

LOG: AMDGPU/GlobalISel: Remove special case lowering for non-pow-2 stores

We end up with extra copies from buildAnyExtOrTrunc if these are
lowered after the register types are legalized.

Added: 
    

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

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
index c1a9b30a509e4..a357c86ff0019 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -1266,7 +1266,6 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo(const GCNSubtarget &ST_,
               // May need relegalization for the scalars.
               return std::make_pair(0, EltTy);
             })
-    .lowerIfMemSizeNotPow2()
     .minScalar(0, S32)
     .narrowScalarIf(isWideScalarExtLoadTruncStore(0), changeTo(0, S32))
     .widenScalarToNextPow2(0)

diff  --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store-global.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store-global.mir
index 11d8d282d298c..5647db70f6d4d 100644
--- a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store-global.mir
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store-global.mir
@@ -247,41 +247,45 @@ body: |
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
-    ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
+    ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY3]], [[C]](s32)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
     ; SI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store (s8) into unknown-address + 2, align 2, addrspace 1)
     ; CI-LABEL: name: test_store_global_s24_align4
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
-    ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
+    ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY3]], [[C]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
+    ; CI: G_STORE [[COPY3]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
     ; CI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store (s8) into unknown-address + 2, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s24_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
-    ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
+    ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY3]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
     ; VI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store (s8) into unknown-address + 2, align 2, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s24_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
-    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
+    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY3]], [[C]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
+    ; GFX9: G_STORE [[COPY3]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
     ; GFX9: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store (s8) into unknown-address + 2, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s32) = COPY $vgpr2
@@ -316,11 +320,12 @@ body: |
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
-    ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
+    ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY3]], [[C]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store (s16), addrspace 1)
+    ; CI: G_STORE [[COPY3]](s32), [[COPY]](p1) :: (store (s16), addrspace 1)
     ; CI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store (s8) into unknown-address + 2, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s24_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
@@ -343,11 +348,12 @@ body: |
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
-    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
+    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY3]], [[C]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store (s16), addrspace 1)
+    ; GFX9: G_STORE [[COPY3]](s32), [[COPY]](p1) :: (store (s16), addrspace 1)
     ; GFX9: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store (s8) into unknown-address + 2, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s32) = COPY $vgpr2
@@ -391,11 +397,12 @@ body: |
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
-    ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
+    ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY3]], [[C]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store (s16), align 1, addrspace 1)
+    ; CI: G_STORE [[COPY3]](s32), [[COPY]](p1) :: (store (s16), align 1, addrspace 1)
     ; CI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store (s8) into unknown-address + 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s24_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
@@ -425,11 +432,12 @@ body: |
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
-    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
+    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY3]], [[C]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store (s16), align 1, addrspace 1)
+    ; GFX9: G_STORE [[COPY3]](s32), [[COPY]](p1) :: (store (s16), align 1, addrspace 1)
     ; GFX9: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store (s8) into unknown-address + 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s32) = COPY $vgpr2
@@ -818,11 +826,12 @@ body: |
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; CI: [[COPY2:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
+    ; CI: [[COPY3:%[0-9]+]]:_(s64) = COPY [[COPY2]](s64)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
-    ; CI: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY2]], [[C]](s32)
+    ; CI: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY3]], [[C]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY2]](s64)
+    ; CI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY3]](s64)
     ; CI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store (s32), align 1, addrspace 1)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
     ; CI: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store (s16) into unknown-address + 4, align 1, addrspace 1)
@@ -866,11 +875,12 @@ body: |
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; GFX9: [[COPY2:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
+    ; GFX9: [[COPY3:%[0-9]+]]:_(s64) = COPY [[COPY2]](s64)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
-    ; GFX9: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY2]], [[C]](s32)
+    ; GFX9: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY3]], [[C]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY2]](s64)
+    ; GFX9: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY3]](s64)
     ; GFX9: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store (s32), align 1, addrspace 1)
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
     ; GFX9: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store (s16) into unknown-address + 4, align 1, addrspace 1)
@@ -909,11 +919,12 @@ body: |
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; CI: [[COPY2:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
+    ; CI: [[COPY3:%[0-9]+]]:_(s64) = COPY [[COPY2]](s64)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
-    ; CI: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY2]], [[C]](s32)
+    ; CI: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY3]], [[C]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY2]](s64)
+    ; CI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY3]](s64)
     ; CI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store (s32), align 2, addrspace 1)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
     ; CI: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store (s16) into unknown-address + 4, addrspace 1)
@@ -940,11 +951,12 @@ body: |
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; GFX9: [[COPY2:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
+    ; GFX9: [[COPY3:%[0-9]+]]:_(s64) = COPY [[COPY2]](s64)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
-    ; GFX9: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY2]], [[C]](s32)
+    ; GFX9: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY3]], [[C]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY2]](s64)
+    ; GFX9: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY3]](s64)
     ; GFX9: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store (s32), align 2, addrspace 1)
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
     ; GFX9: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store (s16) into unknown-address + 4, addrspace 1)

diff  --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store.mir
index 258578f232c36..bc1f793c1fbea 100644
--- a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store.mir
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store.mir
@@ -823,10 +823,11 @@ body: |
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C3]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[OR2]](s32)
-    ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY5]], [[C3]](s32)
+    ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[COPY5]](s32)
+    ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY6]], [[C3]](s32)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: G_STORE [[COPY5]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
     ; SI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store (s8) into unknown-address + 2, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v3s8_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
@@ -853,10 +854,11 @@ body: |
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[OR2]](s32)
-    ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C2]](s32)
+    ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
+    ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY3]], [[C2]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[COPY]](p1) :: (store (s16), align 4, addrspace 1)
     ; VI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store (s8) into unknown-address + 2, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4


        


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