[SPIRV] Test file for memmove intrinsic

[EbinJose2002]

• Added test for checking the lowering of memmove to OpCopyMemorySized
• Modified NoSignedUnsignedWrap.ll by adding a RUN line

[llvmbot]

@llvm/pr-subscribers-backend-spir-v

Author: Ebin-McW (EbinJose2002)

Changes

• Added test for checking the lowering of memmove to OpCopyMemorySized
• Modified NoSignedUnsignedWrap.ll by adding a RUN line

---

Full diff: https://github.com/llvm/llvm-project/pull/152640.diff

2 Files Affected:

• (added) llvm/test/CodeGen/SPIRV/llvm-intrinsics/memmove.ll (+86)
• (modified) llvm/test/CodeGen/SPIRV/transcoding/NoSignedUnsignedWrap.ll (+2-1)

diff --git a/llvm/test/CodeGen/SPIRV/llvm-intrinsics/memmove.ll b/llvm/test/CodeGen/SPIRV/llvm-intrinsics/memmove.ll
new file mode 100644
index 0000000000000..51b76640cc056
--- /dev/null
+++ b/llvm/test/CodeGen/SPIRV/llvm-intrinsics/memmove.ll
@@ -0,0 +1,86 @@
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %}
+
+; CHECK-SPIRV-NOT: llvm.memmove
+
+; CHECK-DAG: %[[#Int8:]] = OpTypeInt 8 0
+; CHECK-DAG: %[[#Int32:]] = OpTypeInt 32 0
+; CHECK-DAG: %[[#Int64:]] = OpTypeInt 64 0
+; CHECK-DAG: %[[#Ptr_CrossWG_8:]] = OpTypePointer CrossWorkgroup %[[#Int8]]
+; CHECK-DAG: %[[#Ptr_Generic_32:]] = OpTypePointer Generic %[[#Int32]]
+; CHECK-DAG: %[[#Const_64:]] = OpConstant %[[#Int32]] 64
+; CHECK-DAG: %[[#Const_36:]] = OpConstant %[[#Int32]] 36
+; CHECK-DAG: %[[#Const_30:]] = OpConstant %[[#Int32]] 30
+; CHECK-DAG: %[[#Const_32_64:]] = OpConstant %[[#Int64]] 32
+
+; CHECK: %[[#Param1:]] = OpFunctionParameter %[[#Ptr_CrossWG_8]]
+; CHECK: %[[#Param2:]] = OpFunctionParameter %[[#Ptr_CrossWG_8]]
+; CHECK: %[[#Size1:]] = OpUConvert %[[#Int64]] %[[#Const_64]]
+; CHECK: OpCopyMemorySized %[[#Param2]] %[[#Param1]] %[[#Size1]] Aligned 64
+
+; CHECK: %[[#Src:]] = OpFunctionParameter %[[#Ptr_CrossWG_8]]
+; CHECK: %[[#CastDst2:]] = OpGenericCastToPtr %[[#Ptr_CrossWG_8]] %[[#GenPtr:]]
+; CHECK: %[[#Size2:]] = OpUConvert %[[#Int64]] %[[#Const_36]]
+; CHECK: OpCopyMemorySized %[[#CastDst2]] %[[#Src]] %[[#Size2]] Aligned 64
+
+; CHECK: %[[#Param1:]] = OpFunctionParameter %[[#Ptr_CrossWG_8]]
+; CHECK: %[[#Param2:]] = OpFunctionParameter %[[#Ptr_CrossWG_8]]
+; CHECK: %[[#Size3:]] = OpUConvert %[[#Int64]] %[[#Const_30]]
+; CHECK: OpCopyMemorySized %[[#Param2]] %[[#Param1]] %[[#Size3]] Aligned 1
+
+; CHECK: %[[#Phi:]] = OpPhi %[[#Ptr_Generic_32]] %[[#Op1:]] %[[#Lbl1:]] %[[#Op2:]] %[[#Lbl2:]]
+; CHECK: %[[#Cast:]] = OpPtrCastToGeneric %[[#]] %[[#]]
+; CHECK: OpCopyMemorySized %[[#Cast]] %[[#Phi]] %[[#Const_32_64]] Aligned 8
+
+%struct.SomeStruct = type { <16 x float>, i32, [60 x i8] }
+%class.kfunc = type <{ i32, i32, i32, [4 x i8] }>
+
+@InvocIndex = external local_unnamed_addr addrspace(1) constant i64, align 8
+@"func_object1" = internal addrspace(3) global %class.kfunc zeroinitializer, align 8
+
+define spir_kernel void @test_full_move(%struct.SomeStruct addrspace(1)* captures(none) readonly %in, %struct.SomeStruct addrspace(1)* captures(none) %out) {
+  %1 = bitcast %struct.SomeStruct addrspace(1)* %in to i8 addrspace(1)*
+  %2 = bitcast %struct.SomeStruct addrspace(1)* %out to i8 addrspace(1)*
+  call void @llvm.memmove.p1i8.p1i8.i32(i8 addrspace(1)* align 64 %2, i8 addrspace(1)* align 64 %1, i32 64, i1 false)
+  ret void
+}
+
+define spir_kernel void @test_partial_move(%struct.SomeStruct addrspace(1)* captures(none) readonly %in, %struct.SomeStruct addrspace(4)* captures(none) %out) {
+  %1 = bitcast %struct.SomeStruct addrspace(1)* %in to i8 addrspace(1)*
+  %2 = bitcast %struct.SomeStruct addrspace(4)* %out to i8 addrspace(4)*
+  %3 = addrspacecast i8 addrspace(4)* %2 to i8 addrspace(1)*
+  call void @llvm.memmove.p1i8.p1i8.i32(i8 addrspace(1)* align 64 %3, i8 addrspace(1)* align 64 %1, i32 36, i1 false)
+  ret void
+}
+
+define spir_kernel void @test_array(i8 addrspace(1)* %in, i8 addrspace(1)* %out) {
+  call void @llvm.memmove.p1i8.p1i8.i32(i8 addrspace(1)* %out, i8 addrspace(1)* %in, i32 30, i1 false)
+  ret void
+}
+
+define weak_odr dso_local spir_kernel void @test_phi() local_unnamed_addr {
+entry:
+  %0 = alloca i32, align 8
+  %1 = addrspacecast i32* %0 to i32 addrspace(4)*
+  %2 = load i64, i64 addrspace(1)* @InvocIndex, align 8
+  %cmp = icmp eq i64 %2, 0
+  br i1 %cmp, label %leader, label %entry.merge_crit_edge
+
+entry.merge_crit_edge:                            ; preds = %entry
+  %3 = bitcast i32 addrspace(4)* %1 to i8 addrspace(4)*
+  br label %merge
+
+leader:                                           ; preds = %entry
+  %4 = bitcast i32 addrspace(4)* %1 to i8 addrspace(4)*
+  br label %merge
+
+merge:                                            ; preds = %entry.merge_crit_edge, %leader
+  %phi = phi i8 addrspace(4)* [ %3, %entry.merge_crit_edge ], [ %4, %leader ]
+  %5 = addrspacecast i8 addrspace(3)* bitcast (%class.kfunc addrspace(3)* @"func_object1" to i8 addrspace(3)*) to i8 addrspace(4)*
+  call void @llvm.memmove.p4i8.p4i8.i64(i8 addrspace(4)* align 8 dereferenceable(32) %5, i8 addrspace(4)* align 8 dereferenceable(32) %phi, i64 32, i1 false)
+  ret void
+}
+
+declare void @llvm.memmove.p4i8.p4i8.i64(i8 addrspace(4)* captures(none) writeonly, i8 addrspace(4)* captures(none) readonly, i64, i1 immarg)
+
+declare void @llvm.memmove.p1i8.p1i8.i32(i8 addrspace(1)* captures(none), i8 addrspace(1)* captures(none) readonly, i32, i1)
diff --git a/llvm/test/CodeGen/SPIRV/transcoding/NoSignedUnsignedWrap.ll b/llvm/test/CodeGen/SPIRV/transcoding/NoSignedUnsignedWrap.ll
index e405ef0ed58a5..5e66b8b639f17 100644
--- a/llvm/test/CodeGen/SPIRV/transcoding/NoSignedUnsignedWrap.ll
+++ b/llvm/test/CodeGen/SPIRV/transcoding/NoSignedUnsignedWrap.ll
@@ -7,10 +7,11 @@
 ;;
 ;; Positive tests:
 ;;
-; RUN: llc -O0 -mtriple=spirv32-unknown-unknown --spirv-ext=+SPV_KHR_no_integer_wrap_decoration %s -o - | FileCheck %s --check-prefixes=CHECK-SPIRV,CHECK-SPIRV-NEGATIVE
+; RUN: llc -O0 -mtriple=spirv32-unknown-unknown --spirv-ext=+SPV_KHR_no_integer_wrap_decoration %s -o - | FileCheck %s --check-prefixes=CHECK-SPIRV
 ;;
 ;; Negative tests:
 ;;
+; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s --check-prefixes=CHECK-SPIRV-NEGATIVE
 ;; Check that backend is able to skip nsw/nuw attributes if extension is
 ;; disabled implicitly or explicitly and if max SPIR-V version is lower then 1.4