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https://github.com/c64scene-ar/llvm-6502.git
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953c681473
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239657 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.2 KiB
LLVM
37 lines
1.2 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck %s
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; Test that codegenprepare understands address space sizes
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%struct.foo = type { [3 x float], [3 x float] }
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; FIXME: Extra V_MOV from SGPR to VGPR for second read. The address is
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; already in a VGPR after the first read.
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; CHECK-LABEL: {{^}}do_as_ptr_calcs:
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; CHECK: s_load_dword [[SREG1:s[0-9]+]],
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; CHECK: v_mov_b32_e32 [[VREG2:v[0-9]+]], [[SREG1]]
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; CHECK: v_mov_b32_e32 [[VREG1:v[0-9]+]], [[SREG1]]
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; CHECK-DAG: ds_read_b32 v{{[0-9]+}}, [[VREG1]] offset:12
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; CHECK-DAG: ds_read_b32 v{{[0-9]+}}, [[VREG2]] offset:20
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define void @do_as_ptr_calcs(%struct.foo addrspace(3)* nocapture %ptr) nounwind {
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entry:
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%x = getelementptr inbounds %struct.foo, %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 0
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%y = getelementptr inbounds %struct.foo, %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 2
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br label %bb32
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bb32:
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%a = load float, float addrspace(3)* %x, align 4
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%b = load float, float addrspace(3)* %y, align 4
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%cmp = fcmp one float %a, %b
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br i1 %cmp, label %bb34, label %bb33
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bb33:
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unreachable
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bb34:
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unreachable
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}
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