File: lds-run-twice.ll

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llvm-toolchain-20 1%3A20.1.6-1~exp1
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; XFAIL: target={{.*}}-aix{{.*}}

; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-module-lds %s -o %t.ll
; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-module-lds %t.ll -o %t.second.ll
; RUN: diff -ub %t.ll %t.second.ll -I ".*ModuleID.*"

; Check AMDGPULowerModuleLDS can run more than once on the same module, and that
; the second run is a no-op.

@dynlds = external addrspace(3) global [0 x i32], align 4
@lds = internal unnamed_addr addrspace(3) global i32 undef, align 4

define amdgpu_kernel void @test() {
entry:
  store i32 0, ptr addrspace(3) @dynlds
  store i32 1, ptr addrspace(3) @lds
  ret void
}