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Imported Upstream version 5.18.0.179

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Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
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Xamarin Public Jenkins (auto-signing)
2018-10-25 08:34:57 +00:00
parent d6bde52373
commit 8625704ad8
28485 changed files with 3866843 additions and 50 deletions
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28
external/llvm/test/CodeGen/AMDGPU/spill-alloc-sgpr-init-bug.ll vendored Normal file
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck --check-prefix=TONGA %s
; On Tonga and Iceland, limited SGPR availability means care must be taken to
; allocate scratch registers correctly. Check that this test compiles without
; error.
; TONGA-LABEL: test
define amdgpu_kernel void @test(<256 x i32> addrspace(1)* %out, <256 x i32> addrspace(1)* %in) {
entry:
%mbcnt.lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
%tid = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %mbcnt.lo)
%aptr = getelementptr <256 x i32>, <256 x i32> addrspace(1)* %in, i32 %tid
%a = load <256 x i32>, <256 x i32> addrspace(1)* %aptr
call void asm sideeffect "", "~{memory}" ()
%outptr = getelementptr <256 x i32>, <256 x i32> addrspace(1)* %in, i32 %tid
store <256 x i32> %a, <256 x i32> addrspace(1)* %outptr
; mark 128-bit SGPR registers as used so they are unavailable for the
; scratch resource descriptor
call void asm sideeffect "", "~{SGPR4},~{SGPR8},~{SGPR12},~{SGPR16},~{SGPR20},~{SGPR24},~{SGPR28}" ()
call void asm sideeffect "", "~{SGPR32},~{SGPR36},~{SGPR40},~{SGPR44},~{SGPR48},~{SGPR52},~{SGPR56}" ()
call void asm sideeffect "", "~{SGPR60},~{SGPR64},~{SGPR68}" ()
ret void
}
declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #0
declare i32 @llvm.amdgcn.mbcnt.hi(i32, i32) #0
attributes #0 = { nounwind readnone }