forked from OSchip/llvm-project
43 lines
1.5 KiB
LLVM
43 lines
1.5 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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target triple = "amdgcn-amd-amdhsa"
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; The call to intrinsic implicitarg_ptr reaches a load through a phi. The
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; offsets of the phi cannot be determined, and hence the attirbutor assumes that
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; hostcall is in use.
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; CHECK: .value_kind: hidden_hostcall_buffer
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; CHECK: .value_kind: hidden_multigrid_sync_arg
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define amdgpu_kernel void @the_kernel(i32 addrspace(1)* %a, i64 %index1, i64 %index2, i1 %cond) {
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entry:
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%tmp7 = tail call i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
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br i1 %cond, label %old, label %new
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old: ; preds = %entry
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%tmp4 = getelementptr i8, i8 addrspace(4)* %tmp7, i64 %index1
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br label %join
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new: ; preds = %entry
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%tmp12 = getelementptr inbounds i8, i8 addrspace(4)* %tmp7, i64 %index2
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br label %join
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join: ; preds = %new, %old
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%.in.in.in = phi i8 addrspace(4)* [ %tmp12, %new ], [ %tmp4, %old ]
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%.in.in = bitcast i8 addrspace(4)* %.in.in.in to i16 addrspace(4)*
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;;; THIS USE is where the offset into implicitarg_ptr is unknown
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%.in = load i16, i16 addrspace(4)* %.in.in, align 2
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%idx.ext = sext i16 %.in to i64
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%add.ptr3 = getelementptr inbounds i32, i32 addrspace(1)* %a, i64 %idx.ext
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%tmp16 = atomicrmw add i32 addrspace(1)* %add.ptr3, i32 15 syncscope("agent-one-as") monotonic, align 4
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ret void
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}
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declare i32 @llvm.amdgcn.workitem.id.x()
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declare align 4 i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
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declare i32 @llvm.amdgcn.workgroup.id.x()
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