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bc9fb908bc
Effectively revert r263964. Before we would not allow this if vaddr was not known to be positive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@318240 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
; RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
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; GCN-LABEL: {{^}}scratch_buffer_known_high_bit_small:
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; GCN: v_mov_b32_e32 [[FI:v[0-9]+]], 4
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; GCN-NOT: [[FI]]
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; GCN: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[FI]]
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define amdgpu_kernel void @scratch_buffer_known_high_bit_small() #0 {
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%alloca = alloca i32, align 4
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store volatile i32 0, i32* %alloca
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%toint = ptrtoint i32* %alloca to i32
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%masked = and i32 %toint, 2147483647
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store volatile i32 %masked, i32 addrspace(1)* undef
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ret void
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}
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; GCN-LABEL: {{^}}scratch_buffer_known_high_bit_huge:
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; GCN: v_mov_b32_e32 [[FI:v[0-9]+]], 4
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; GCN-DAG: buffer_store_dword
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; GCN-DAG: v_and_b32_e32 [[MASKED:v[0-9]+]], 0x7ffffffc, [[FI]]
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; GCN: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[MASKED]]
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define amdgpu_kernel void @scratch_buffer_known_high_bit_huge() #1 {
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%alloca = alloca i32, align 4
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store volatile i32 0, i32* %alloca
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%toint = ptrtoint i32* %alloca to i32
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%masked = and i32 %toint, 2147483647
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store volatile i32 %masked, i32 addrspace(1)* undef
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ret void
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}
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attributes #0 = { nounwind }
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attributes #1 = { nounwind "target-features"="+huge-private-buffer" }
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