8000 Test files for memcpy and ControlBarrier instruction by EbinJose2002 · Pull Request #142098 · llvm/llvm-project · GitHub
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Test files for memcpy and ControlBarrier instruction #142098

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llvmbot commented May 30, 2025

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

Author: Ebin-McW (EbinJose2002)

Changes

Full diff: https://github.com/llvm/llvm-project/pull/142098.diff

2 Files Affected:

  • (added) llvm/test/CodeGen/SPIRV/llvm-intrinsics/memcpy.align.ll (+80)
  • (added) llvm/test/CodeGen/SPIRV/transcoding/barrier-runtime-scope.ll (+15)
diff --git a/llvm/test/CodeGen/SPIRV/llvm-intrinsics/memcpy.align.ll b/llvm/test/CodeGen/SPIRV/llvm-intrinsics/memcpy.align.ll
new file mode 100644
index 0000000000000..be88d29ad34f7
--- /dev/null
+++ b/llvm/test/CodeGen/SPIRV/llvm-intrinsics/memcpy.align.ll
@@ -0,0 +1,80 @@
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
+
+target datalayout = "e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
+target triple = "spir"
+
+%struct.B = type { [2 x i32] }
+%struct.A = type { i64, %struct.B }
+
+@__const.foo.b = private unnamed_addr addrspace(2) constant %struct.B { [2 x i32] [i32 1, i32 2] }, align 4
+@__const.bar.a = private unnamed_addr addrspace(2) constant %struct.A { i64 0, %struct.B { [2 x i32] [i32 1, i32 2] } }, align 8
+
+; Function Attrs: convergent nounwind
+define spir_func void @foo(%struct.A* noalias sret(%struct.A) %agg.result) #0 {
+entry:
+  %b = alloca %struct.B, align 4
+  %0 = bitcast %struct.B* %b to i8*
+  call void @llvm.lifetime.start.p0i8(i64 8, i8* %0) #2
+  %1 = bitcast %struct.B* %b to i8*
+  call void @llvm.memcpy.p0i8.p2i8.i32(i8* align 4 %1, i8 addrspace(2)* align 4 bitcast (%struct.B addrspace(2)* @__const.foo.b to i8 addrspace(2)*), i32 8, i1 false)
+; CHECK: OpCopyMemorySized %[[#]] %[[#]] %[[#]] Aligned 4
+  %b1 = getelementptr inbounds %struct.A, %struct.A* %agg.result, i32 0, i32 1
+  %2 = bitcast %struct.B* %b1 to i8*
+  %3 = bitcast %struct.B* %b to i8*
+  call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 %2, i8* align 4 %3, i32 8, i1 false), !tbaa.struct !4
+; CHECK: %[[#PTR1:]] = OpInBoundsPtrAccessChain %[[#]] %[[#]] %[[#]] %[[#]]
+; CHECK: OpCopyMemorySized %[[#PTR1]] %[[#]] %[[#]] Aligned 8
+  %4 = bitcast %struct.B* %b to i8*
+  call void @llvm.lifetime.end.p0i8(i64 8, i8* %4) #2
+  ret void
+}
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.lifetime.start.p0i8(i64, i8* captures(none)) #1
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.memcpy.p0i8.p2i8.i32(i8* captures(none) writeonly, i8 addrspace(2)* captures(none) readonly, i32, i1) #1
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.memcpy.p0i8.p0i8.i32(i8* captures(none) writeonly, i8* captures(none) readonly, i32, i1) #1
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.lifetime.end.p0i8(i64, i8* captures(none)) #1
+
+; Function Attrs: convergent nounwind
+define spir_func void @bar(%struct.B* noalias sret(%struct.B) %agg.result) #0 {
+entry:
+  %a = alloca %struct.A, align 8
+  %0 = bitcast %struct.A* %a to i8*
+  call void @llvm.lifetime.start.p0i8(i64 16, i8* %0) #2
+  %1 = bitcast %struct.A* %a to i8*
+  call void @llvm.memcpy.p0i8.p2i8.i32(i8* align 8 %1, i8 addrspace(2)* align 8 bitcast (%struct.A addrspace(2)* @__const.bar.a to i8 addrspace(2)*), i32 16, i1 false)
+; CHECK: OpCopyMemorySized %[[#]] %[[#]] %[[#]] Aligned 8
+  %b = getelementptr inbounds %struct.A, %struct.A* %a, i32 0, i32 1
+  %2 = bitcast %struct.B* %agg.result to i8*
+  %3 = bitcast %struct.B* %b to i8*
+  call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %2, i8* align 8 %3, i32 8, i1 false), !tbaa.struct !4
+; CHECK: %[[#PTR2:]] = OpInBoundsPtrAccessChain %[[#]] %[[#]] %[[#]] %[[#]]
+; CHECK: OpCopyMemorySized %[[#]] %[[#PTR2]] %[[#]] Aligned 4
+  %4 = bitcast %struct.A* %a to i8*
+  call void @llvm.lifetime.end.p0i8(i64 16, i8* %4) #2
+  ret void
+}
+
+attributes #0 = { convergent nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "denorms-are-zero"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { argmemonly nounwind }
+attributes #2 = { nounwind }
+
+!llvm.module.flags = !{!0}
+!opencl.ocl.version = !{!1}
+!opencl.spir.version = !{!2}
+!llvm.ident = !{!3}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{i32 1, i32 0}
+!2 = !{i32 1, i32 2}
+!3 = !{!"clang version 9.0.0"}
+!4 = !{i64 0, i64 8, !5}
+!5 = !{!6, !6, i64 0}
+!6 = !{!"omnipotent char", !7, i64 0}
+!7 = !{!"Simple C/C++ TBAA"}
diff --git a/llvm/test/CodeGen/SPIRV/transcoding/barrier-runtime-scope.ll b/llvm/test/CodeGen/SPIRV/transcoding/barrier-runtime-scope.ll
new file mode 100644
index 0000000000000..985d1ef7a56bc
--- /dev/null
+++ b/llvm/test/CodeGen/SPIRV/transcoding/barrier-runtime-scope.ll
@@ -0,0 +1,15 @@
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32-unknown-unknown %s -o - -filetype=obj | spirv-val %}
+ 
+; CHECK: %[[#SCOPE:]] = OpFunctionCall %[[#]] %[[#]]
+; CHECK: OpControlBarrier %[[#]] %[[#SCOPE]] %[[#]]
+ 
+define spir_func void @_Z3foov() {
+  %1 = call noundef i32 @_Z8getScopev()
+  call void @_Z22__spirv_ControlBarrieriii(i32 noundef 3, i32 noundef %1, i32 noundef 912)
+  ret void
+}
+ 
+declare spir_func void @_Z22__spirv_ControlBarrieriii(i32 noundef, i32 noundef, i32 noundef)
+ 
+declare spir_func i32 @_Z8getScopev()

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