Skip to content

[SPIRV] Test file for memcpy intrinsic #151657

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Aug 3, 2025
Merged

[SPIRV] Test file for memcpy intrinsic #151657

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
54 changes: 54 additions & 0 deletions llvm/test/CodeGen/SPIRV/llvm-intrinsics/memcpy.align.ll
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,54 @@
; 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 %}

%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

define spir_func void @foo(%struct.A* noalias sret(%struct.A) %agg.result) {
entry:
%b = alloca %struct.B, align 4
%0 = bitcast %struct.B* %b to i8*
call void @llvm.lifetime.start.p0i8(i64 8, i8* %0)
%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)
; 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)
ret void
}

declare void @llvm.lifetime.start.p0i8(i64, i8* captures(none))

declare void @llvm.memcpy.p0i8.p2i8.i32(i8* captures(none) writeonly, i8 addrspace(2)* captures(none) readonly, i32, i1)

declare void @llvm.memcpy.p0i8.p0i8.i32(i8* captures(none) writeonly, i8* captures(none) readonly, i32, i1)

declare void @llvm.lifetime.end.p0i8(i64, i8* captures(none))

define spir_func void @bar(%struct.B* noalias sret(%struct.B) %agg.result) {
entry:
%a = alloca %struct.A, align 8
%0 = bitcast %struct.A* %a to i8*
call void @llvm.lifetime.start.p0i8(i64 16, i8* %0)
%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)
; 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)
ret void
}