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https://github.com/c64scene-ar/llvm-6502.git
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1cc41bf63c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192375 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
997 B
LLVM
32 lines
997 B
LLVM
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI %s
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; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG %s
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define void @trunc_i64_to_i32_store(i32 addrspace(1)* %out, i64 %in) {
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; SI-LABEL: @trunc_i64_to_i32_store
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; SI: S_LOAD_DWORD SGPR0, SGPR0_SGPR1, 11
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; SI: V_MOV_B32_e32 VGPR0, SGPR0
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; SI: BUFFER_STORE_DWORD VGPR0
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; EG-LABEL: @trunc_i64_to_i32_store
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; EG: MEM_RAT_CACHELESS STORE_RAW T0.X, T1.X, 1
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; EG: LSHR
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; EG-NEXT: 2(
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%result = trunc i64 %in to i32 store i32 %result, i32 addrspace(1)* %out, align 4
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ret void
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}
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; SI-LABEL: @trunc_shl_i64:
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; SI: S_LOAD_DWORDX2
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; SI: S_LOAD_DWORDX2 [[SREG:SGPR[0-9]+_SGPR[0-9]+]]
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; SI: V_LSHL_B64 [[LO_VREG:VGPR[0-9]+]]_VGPR{{[0-9]+}}, [[SREG]], 2
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; SI-NOT: [[LO_VREG]]
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; SI: BUFFER_STORE_DWORD [[LO_VREG]],
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define void @trunc_shl_i64(i32 addrspace(1)* %out, i64 %a) {
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%b = shl i64 %a, 2
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%result = trunc i64 %b to i32
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store i32 %result, i32 addrspace(1)* %out, align 4
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ret void
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}
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