d77ae7f251
Renames the current lowering scheme to "module" and introduces two new ones, "kernel" and "table", plus a "hybrid" that chooses between those three on a per-variable basis. Unit tests are set up to pass with the default lowering of "module" or "hybrid" with this patch defaulting to "module", which will be a less dramatic codegen change relative to the current. This reflects the sparsity of test coverage for the table lowering method. Hybrid is better than module in every respect and will be default in a subsequent patch. Reviewed By: arsenm Differential Revision: https://reviews.llvm.org/D139433
43 lines
2.1 KiB
LLVM
43 lines
2.1 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-module-lds --amdgpu-lower-module-lds-strategy=module < %s | FileCheck %s
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; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-module-lds --amdgpu-lower-module-lds-strategy=module < %s | FileCheck %s
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@a = internal unnamed_addr addrspace(3) global [64 x i32] undef, align 4
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@b = internal unnamed_addr addrspace(3) global [64 x i32] undef, align 4
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; CHECK-LABEL: @no_clobber_ds_load_stores_x2_preexisting_aa
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; CHECK: store i32 1, i32 addrspace(3)* %0, align 16, !tbaa !0, !noalias !5
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; CHECK: %val.a = load i32, i32 addrspace(3)* %gep.a, align 4, !tbaa !0, !noalias !5
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; CHECK: store i32 2, i32 addrspace(3)* %1, align 16, !tbaa !0, !noalias !5
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; CHECK: %val.b = load i32, i32 addrspace(3)* %gep.b, align 4, !tbaa !0, !noalias !5
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define amdgpu_kernel void @no_clobber_ds_load_stores_x2_preexisting_aa(i32 addrspace(1)* %arg, i32 %i) {
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bb:
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store i32 1, i32 addrspace(3)* getelementptr inbounds ([64 x i32], [64 x i32] addrspace(3)* @a, i32 0, i32 0), align 4, !alias.scope !0, !noalias !3, !tbaa !5
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%gep.a = getelementptr inbounds [64 x i32], [64 x i32] addrspace(3)* @a, i32 0, i32 %i
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%val.a = load i32, i32 addrspace(3)* %gep.a, align 4, !alias.scope !0, !noalias !3, !tbaa !5
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store i32 2, i32 addrspace(3)* getelementptr inbounds ([64 x i32], [64 x i32] addrspace(3)* @b, i32 0, i32 0), align 4, !alias.scope !3, !noalias !0, !tbaa !5
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%gep.b = getelementptr inbounds [64 x i32], [64 x i32] addrspace(3)* @b, i32 0, i32 %i
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%val.b = load i32, i32 addrspace(3)* %gep.b, align 4, !alias.scope !3, !noalias !0, !tbaa !5
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%val = add i32 %val.a, %val.b
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store i32 %val, i32 addrspace(1)* %arg, align 4
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ret void
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}
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!0 = !{!1}
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!1 = distinct !{!1, !2}
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!2 = distinct !{!2}
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!3 = !{!4}
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!4 = distinct !{!4, !2}
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!5 = !{!6, !7, i64 0}
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!6 = !{!"no_clobber_ds_load_stores_x2_preexisting_aa", !7, i64 0}
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!7 = !{!"int", !8, i64 0}
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!8 = !{!"omnipotent char", !9, i64 0}
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!9 = !{!"Simple C++ TBAA"}
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; CHECK:!0 = !{!1, !2, i64 0}
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; CHECK:!1 = !{!"no_clobber_ds_load_stores_x2_preexisting_aa", !2, i64 0}
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; CHECK:!2 = !{!"int", !3, i64 0}
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; CHECK:!3 = !{!"omnipotent char", !4, i64 0}
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; CHECK:!4 = !{!"Simple C++ TBAA"}
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; CHECK:!5 = !{}
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