derek.holloway
7502bf64a4
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48 lines
2.2 KiB
LLVM
48 lines
2.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --version 5
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; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-module-lds < %s | FileCheck %s
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; This is an extension and should be rejected by the front-end in most cases.
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; If it goes through, lower it as dynlds.
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@Var0 = linkonce_odr hidden local_unnamed_addr addrspace(3) global [0 x float] poison
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;.
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; CHECK: @llvm.amdgcn.kernelA.dynlds = external addrspace(3) global [0 x i8], align 4, !absolute_symbol [[META0:![0-9]+]]
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; CHECK: @llvm.amdgcn.dynlds.offset.table = internal addrspace(4) constant [1 x ptr addrspace(3)] [ptr addrspace(3) @llvm.amdgcn.kernelA.dynlds]
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;.
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define void @fn(float %val, i32 %idx) #0 {
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; CHECK-LABEL: define void @fn(
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; CHECK-SAME: float [[VAL:%.*]], i32 [[IDX:%.*]]) {
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; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.amdgcn.lds.kernel.id()
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; CHECK-NEXT: [[VAR0:%.*]] = getelementptr inbounds [1 x ptr addrspace(3)], ptr addrspace(4) @llvm.amdgcn.dynlds.offset.table, i32 0, i32 [[TMP1]]
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; CHECK-NEXT: [[VAR01:%.*]] = load ptr addrspace(3), ptr addrspace(4) [[VAR0]], align 4
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; CHECK-NEXT: [[PTR:%.*]] = getelementptr i32, ptr addrspace(3) [[VAR01]], i32 [[IDX]]
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; CHECK-NEXT: store float [[VAL]], ptr addrspace(3) [[PTR]], align 4
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; CHECK-NEXT: ret void
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;
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%ptr = getelementptr i32, ptr addrspace(3) @Var0, i32 %idx
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store float %val, ptr addrspace(3) %ptr
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ret void
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}
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define amdgpu_kernel void @kernelA(float %val, i32 %idx) #0 {
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; CHECK-LABEL: define amdgpu_kernel void @kernelA(
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; CHECK-SAME: float [[VAL:%.*]], i32 [[IDX:%.*]]) !llvm.amdgcn.lds.kernel.id [[META1:![0-9]+]] {
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; CHECK-NEXT: call void @llvm.donothing() [ "ExplicitUse"(ptr addrspace(3) @llvm.amdgcn.kernelA.dynlds) ]
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; CHECK-NEXT: tail call void @fn(float [[VAL]], i32 [[IDX]])
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; CHECK-NEXT: ret void
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;
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tail call void @fn(float %val, i32 %idx)
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ret void
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}
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attributes #0 = { "amdgpu-no-lds-kernel-id" }
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;.
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; CHECK: attributes #[[ATTR0:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) }
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; CHECK: attributes #[[ATTR1:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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;.
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; CHECK: [[META0]] = !{i32 0, i32 1}
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; CHECK: [[META1]] = !{i32 0}
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;.
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