derek.holloway
7502bf64a4
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108 lines
4.6 KiB
LLVM
108 lines
4.6 KiB
LLVM
; RUN: opt < %s -S -passes=infer-address-spaces | FileCheck %s --check-prefix=INFER
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; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_90 -mattr=+ptx80 | FileCheck %s --check-prefix=PTX
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; RUN: %if ptxas-sm_90 && ptxas-isa-8.0 %{ llc < %s -mtriple=nvptx64 -mcpu=sm_90 -mattr=+ptx80 | %ptxas-verify -arch=sm_90 %}
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
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target triple = "nvptx64-unknown-unknown"
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@constant_tensormap = addrspace(4) global [64 x i8] zeroinitializer, align 64
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; Inference from const address space
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define void @test_infer_const_from_cast() {
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; INFER-LABEL: @test_infer_const_from_cast
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; INFER: call void @llvm.nvvm.prefetch.tensormap.p4(ptr addrspace(4) @constant_tensormap)
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; PTX-LABEL: .visible .func test_infer_const_from_cast(
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; PTX: mov.b64 %rd{{[0-9]+}}, constant_tensormap;
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; PTX: cvta.const.u64 %rd{{[0-9]+}}, %rd{{[0-9]+}};
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; PTX: prefetch.tensormap [%rd{{[0-9]+}}];
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entry:
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%casted = addrspacecast ptr addrspace(4) @constant_tensormap to ptr
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call void @llvm.nvvm.prefetch.tensormap.p0(ptr %casted)
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ret void
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}
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; Cast from Const space to Generic
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define void @test_const_to_generic_cast(ptr addrspace(4) %const_ptr) {
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; INFER-LABEL: @test_const_to_generic_cast
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; INFER: call void @llvm.nvvm.prefetch.tensormap.p4(ptr addrspace(4) %const_ptr)
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; PTX-LABEL: .visible .func test_const_to_generic_cast(
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; PTX: prefetch.const.tensormap [%rd{{[0-9]+}}];
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entry:
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%cast = addrspacecast ptr addrspace(4) %const_ptr to ptr
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call void @llvm.nvvm.prefetch.tensormap.p0(ptr %cast)
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ret void
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}
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; No inference possible
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define void @test_no_inference_possible(ptr %generic_ptr) {
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; INFER-LABEL: @test_no_inference_possible
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; INFER: call void @llvm.nvvm.prefetch.tensormap.p0(ptr %generic_ptr)
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; PTX-LABEL: .visible .func test_no_inference_possible(
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; PTX: prefetch.tensormap [%rd{{[0-9]+}}];
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entry:
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call void @llvm.nvvm.prefetch.tensormap.p0(ptr %generic_ptr)
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ret void
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}
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; Cast from Parameter space to Generic
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define void @test_param_to_generic_cast(ptr addrspace(101) %param_ptr) {
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; INFER-LABEL: @test_param_to_generic_cast
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; INFER: call void @llvm.nvvm.prefetch.tensormap.p101(ptr addrspace(101) %param_ptr)
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; PTX-LABEL: .visible .func test_param_to_generic_cast(
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; PTX: prefetch.param.tensormap [%rd{{[0-9]+}}];
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entry:
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%cast = addrspacecast ptr addrspace(101) %param_ptr to ptr
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call void @llvm.nvvm.prefetch.tensormap.p0(ptr %cast)
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ret void
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}
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; Multiple casts in sequence
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define void @test_infer_through_multiple_casts() {
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; INFER-LABEL: @test_infer_through_multiple_casts
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; INFER: call void @llvm.nvvm.prefetch.tensormap.p4(ptr addrspace(4) @constant_tensormap)
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; PTX-LABEL: .visible .func test_infer_through_multiple_casts(
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; PTX: mov.b64 %rd{{[0-9]+}}, constant_tensormap;
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; PTX: cvta.const.u64 %rd{{[0-9]+}}, %rd{{[0-9]+}};
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; PTX: prefetch.tensormap [%rd{{[0-9]+}}];
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entry:
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%cast1 = addrspacecast ptr addrspace(4) @constant_tensormap to ptr
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%cast2 = addrspacecast ptr %cast1 to ptr addrspace(4)
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%cast3 = addrspacecast ptr addrspace(4) %cast2 to ptr
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call void @llvm.nvvm.prefetch.tensormap.p0(ptr %cast3)
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ret void
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}
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; Kernel Function Test
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; Cast from Param space to Generic
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define ptx_kernel void @test_param_to_generic_cast_kernel(ptr addrspace(101) %param_ptr) {
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; INFER-LABEL: @test_param_to_generic_cast_kernel
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; INFER: call void @llvm.nvvm.prefetch.tensormap.p101(ptr addrspace(101) %param_ptr)
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; PTX-LABEL: .visible .entry test_param_to_generic_cast_kernel(
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; PTX: prefetch.param.tensormap [%rd{{[0-9]+}}];
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entry:
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%cast = addrspacecast ptr addrspace(101) %param_ptr to ptr
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call void @llvm.nvvm.prefetch.tensormap.p0(ptr %cast)
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ret void
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}
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; Kernel Function Test
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; Multiple casts in sequence
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define ptx_kernel void @test_infer_through_multiple_casts_kernel() {
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; INFER-LABEL: @test_infer_through_multiple_casts_kernel
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; INFER: call void @llvm.nvvm.prefetch.tensormap.p4(ptr addrspace(4) @constant_tensormap)
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; PTX-LABEL: .visible .entry test_infer_through_multiple_casts_kernel(
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; PTX: mov.b64 %rd{{[0-9]+}}, constant_tensormap;
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; PTX: cvta.const.u64 %rd{{[0-9]+}}, %rd{{[0-9]+}};
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; PTX: prefetch.tensormap [%rd{{[0-9]+}}];
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entry:
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%cast1 = addrspacecast ptr addrspace(4) @constant_tensormap to ptr
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%cast2 = addrspacecast ptr %cast1 to ptr addrspace(4)
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%cast3 = addrspacecast ptr addrspace(4) %cast2 to ptr
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call void @llvm.nvvm.prefetch.tensormap.p0(ptr %cast3)
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ret void
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}
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declare void @llvm.nvvm.prefetch.tensormap.p0(ptr)
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declare void @llvm.nvvm.prefetch.tensormap.p4(ptr addrspace(4))
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declare void @llvm.nvvm.prefetch.tensormap.p101(ptr addrspace(101))
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