derek.holloway
7502bf64a4
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66 lines
2.7 KiB
LLVM
66 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
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; RUN: llc -mtriple=amdgcn -mcpu=gfx90a < %s | FileCheck %s
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; On gfx90a, a 32-bit FLAT load may land in AV_32 (VGPR/AGPR). When passed
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; inreg to an amdgpu_cs_chain_preserve call, SIInstrInfo must copy the
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; ScalarOp into a VGPR-only class before v_readfirstlane_b32; otherwise
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; -verify-machineinstrs rejects it.
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@G = global ptr addrspace(3) poison
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declare amdgpu_cs_chain_preserve void @callee(ptr addrspace(3) inreg, ptr addrspace(3))
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define amdgpu_cs_chain_preserve void @caller() {
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; CHECK-LABEL: caller:
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; CHECK: ; %bb.0:
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; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; CHECK-NEXT: s_getpc_b64 s[0:1]
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; CHECK-NEXT: s_add_u32 s0, s0, G@gotpcrel32@lo+4
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; CHECK-NEXT: s_addc_u32 s1, s1, G@gotpcrel32@hi+12
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; CHECK-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x0
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; CHECK-NEXT: s_mov_b32 s54, s15
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; CHECK-NEXT: s_mov_b32 s55, s14
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; CHECK-NEXT: s_mov_b32 s64, s13
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; CHECK-NEXT: s_mov_b32 s65, s12
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; CHECK-NEXT: s_waitcnt lgkmcnt(0)
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; CHECK-NEXT: v_pk_mov_b32 v[0:1], s[0:1], s[0:1] op_sel:[0,1]
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; CHECK-NEXT: flat_load_dword v0, v[0:1]
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; CHECK-NEXT: s_mov_b64 s[34:35], s[10:11]
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; CHECK-NEXT: s_mov_b64 s[36:37], s[8:9]
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; CHECK-NEXT: s_mov_b64 s[38:39], s[6:7]
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; CHECK-NEXT: s_mov_b64 s[52:53], s[4:5]
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; CHECK-NEXT: s_mov_b64 s[0:1], exec
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; CHECK-NEXT: .LBB0_1: ; =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
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; CHECK-NEXT: v_readfirstlane_b32 s16, v0
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; CHECK-NEXT: v_cmp_eq_u32_e32 vcc, s16, v0
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; CHECK-NEXT: s_and_saveexec_b64 s[66:67], vcc
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; CHECK-NEXT: s_getpc_b64 s[0:1]
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; CHECK-NEXT: s_add_u32 s0, s0, callee@gotpcrel32@lo+4
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; CHECK-NEXT: s_addc_u32 s1, s1, callee@gotpcrel32@hi+12
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; CHECK-NEXT: s_load_dwordx2 s[18:19], s[0:1], 0x0
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; CHECK-NEXT: s_mov_b64 s[0:1], s[48:49]
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; CHECK-NEXT: s_mov_b64 s[2:3], s[50:51]
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; CHECK-NEXT: s_mov_b64 s[4:5], s[52:53]
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; CHECK-NEXT: s_mov_b64 s[6:7], s[38:39]
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; CHECK-NEXT: s_mov_b64 s[8:9], s[36:37]
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; CHECK-NEXT: s_mov_b64 s[10:11], s[34:35]
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; CHECK-NEXT: s_mov_b32 s12, s65
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; CHECK-NEXT: s_mov_b32 s13, s64
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; CHECK-NEXT: s_mov_b32 s14, s55
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; CHECK-NEXT: s_mov_b32 s15, s54
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; CHECK-NEXT: s_mov_b32 s0, s16
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; CHECK-NEXT: ; implicit-def: $vgpr0
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; CHECK-NEXT: s_waitcnt lgkmcnt(0)
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; CHECK-NEXT: s_swappc_b64 s[30:31], s[18:19]
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; CHECK-NEXT: ; implicit-def: $vgpr0
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; CHECK-NEXT: ; implicit-def: $vgpr31
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; CHECK-NEXT: s_xor_b64 exec, exec, s[66:67]
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; CHECK-NEXT: s_cbranch_execnz .LBB0_1
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; CHECK-NEXT: ; %bb.2:
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; CHECK-NEXT: s_endpgm
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%p = load ptr addrspace(3), ptr @G, align 4
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call void @callee(ptr addrspace(3) %p, ptr addrspace(3) poison)
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ret void
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}
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