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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AMDGPU/lds-size-pal-gfx950.ll
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27 lines
798 B
LLVM

; RUN: llc -mtriple=amdgcn-amd-amdpal -mcpu=gfx950 < %s | FileCheck -check-prefix=PAL %s
; GFX950supports upto 160 KB configurable LDS memory.
; This test checks the min and max size of LDS that can be allocated.
; PAL: .shader_functions:
; PAL: test_lds_array_i32:
; PAL: .lds_size: 0x28000
; PAL: test_lds_i32:
; PAL: .lds_size: 0x4
@lds.i32 = addrspace(3) global i32 poison
@lds.array.i32 = addrspace(3) global [40959 x i32] poison
define amdgpu_gfx void @test_lds_i32(i32 %val) {
store i32 %val, ptr addrspace(3) @lds.i32
ret void
}
define amdgpu_gfx void @test_lds_array_i32() {
%gep = getelementptr inbounds [40959 x i32], ptr addrspace(3) @lds.array.i32, i32 0, i32 20
%val = load i32, ptr addrspace(3) %gep
store i32 %val, ptr addrspace(3) @lds.i32
ret void
}