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ccb53c0a97
Treat a non-atomic volatile load and store as a relaxed atomic at system scope for the address spaces accessed. This will ensure all relevant caches will be bypassed. A volatile atomic is not changed and still only bypasses caches upto the level specified by the SyncScope operand. Differential Revision: https://reviews.llvm.org/D94214
459 lines
18 KiB
LLVM
459 lines
18 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=amdgcn-amd- -mcpu=gfx600 -verify-machineinstrs < %s | FileCheck --check-prefixes=GFX6 %s
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx700 -verify-machineinstrs < %s | FileCheck --check-prefixes=GFX7 %s
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck --check-prefixes=GFX10-WGP %s
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1010 -mattr=+cumode -verify-machineinstrs < %s | FileCheck --check-prefixes=GFX10-CU %s
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; RUN: llc -mtriple=amdgcn-amd-amdpal -mcpu=gfx700 -amdgcn-skip-cache-invalidations -verify-machineinstrs < %s | FileCheck --check-prefixes=SKIP-CACHE-INV %s
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define amdgpu_kernel void @global_volatile_load_0(
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; GFX6-LABEL: global_volatile_load_0:
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; GFX6: ; %bb.0: ; %entry
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; GFX6-NEXT: s_load_dwordx4 s[4:7], s[0:1], 0x9
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; GFX6-NEXT: s_mov_b32 s3, 0xf000
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; GFX6-NEXT: s_mov_b32 s2, -1
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; GFX6-NEXT: s_waitcnt lgkmcnt(0)
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; GFX6-NEXT: s_mov_b32 s0, s4
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; GFX6-NEXT: s_mov_b32 s1, s5
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; GFX6-NEXT: buffer_load_dword v0, off, s[0:3], 0 glc
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; GFX6-NEXT: s_waitcnt vmcnt(0)
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; GFX6-NEXT: s_mov_b32 s4, s6
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; GFX6-NEXT: s_mov_b32 s5, s7
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; GFX6-NEXT: s_mov_b32 s6, s2
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; GFX6-NEXT: s_mov_b32 s7, s3
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; GFX6-NEXT: buffer_store_dword v0, off, s[4:7], 0
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; GFX6-NEXT: s_endpgm
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;
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; GFX7-LABEL: global_volatile_load_0:
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; GFX7: ; %bb.0: ; %entry
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; GFX7-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX7-NEXT: s_waitcnt lgkmcnt(0)
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; GFX7-NEXT: v_mov_b32_e32 v0, s0
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; GFX7-NEXT: v_mov_b32_e32 v1, s1
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; GFX7-NEXT: flat_load_dword v0, v[0:1] glc
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; GFX7-NEXT: s_waitcnt vmcnt(0)
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; GFX7-NEXT: v_mov_b32_e32 v2, s2
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; GFX7-NEXT: v_mov_b32_e32 v3, s3
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; GFX7-NEXT: flat_store_dword v[2:3], v0
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; GFX7-NEXT: s_endpgm
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;
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; GFX10-WGP-LABEL: global_volatile_load_0:
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; GFX10-WGP: ; %bb.0: ; %entry
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; GFX10-WGP-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX10-WGP-NEXT: v_mov_b32_e32 v0, 0
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; GFX10-WGP-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-WGP-NEXT: global_load_dword v1, v0, s[0:1] glc dlc
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; GFX10-WGP-NEXT: s_waitcnt vmcnt(0)
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; GFX10-WGP-NEXT: global_store_dword v0, v1, s[2:3]
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; GFX10-WGP-NEXT: s_endpgm
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;
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; GFX10-CU-LABEL: global_volatile_load_0:
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; GFX10-CU: ; %bb.0: ; %entry
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; GFX10-CU-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX10-CU-NEXT: v_mov_b32_e32 v0, 0
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; GFX10-CU-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-CU-NEXT: global_load_dword v1, v0, s[0:1] glc dlc
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; GFX10-CU-NEXT: s_waitcnt vmcnt(0)
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; GFX10-CU-NEXT: global_store_dword v0, v1, s[2:3]
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; GFX10-CU-NEXT: s_endpgm
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;
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; SKIP-CACHE-INV-LABEL: global_volatile_load_0:
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; SKIP-CACHE-INV: ; %bb.0: ; %entry
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; SKIP-CACHE-INV-NEXT: s_load_dwordx4 s[4:7], s[0:1], 0x9
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s3, 0xf000
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s2, -1
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; SKIP-CACHE-INV-NEXT: s_waitcnt lgkmcnt(0)
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s0, s4
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s1, s5
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; SKIP-CACHE-INV-NEXT: buffer_load_dword v0, off, s[0:3], 0 glc
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; SKIP-CACHE-INV-NEXT: s_waitcnt vmcnt(0)
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s4, s6
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s5, s7
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s6, s2
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s7, s3
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; SKIP-CACHE-INV-NEXT: buffer_store_dword v0, off, s[4:7], 0
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; SKIP-CACHE-INV-NEXT: s_endpgm
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i32 addrspace(1)* %in, i32 addrspace(1)* %out) {
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entry:
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%val = load volatile i32, i32 addrspace(1)* %in, align 4
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store i32 %val, i32 addrspace(1)* %out
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ret void
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}
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define amdgpu_kernel void @global_volatile_load_1(
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; GFX6-LABEL: global_volatile_load_1:
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; GFX6: ; %bb.0: ; %entry
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; GFX6-NEXT: s_load_dwordx4 s[4:7], s[0:1], 0x9
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; GFX6-NEXT: s_mov_b32 s3, 0xf000
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; GFX6-NEXT: v_lshlrev_b32_e32 v0, 2, v0
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; GFX6-NEXT: v_mov_b32_e32 v1, 0
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; GFX6-NEXT: s_mov_b32 s2, -1
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; GFX6-NEXT: s_waitcnt lgkmcnt(0)
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; GFX6-NEXT: s_mov_b32 s0, s6
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; GFX6-NEXT: s_mov_b32 s1, s7
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; GFX6-NEXT: s_mov_b32 s6, 0
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; GFX6-NEXT: s_mov_b32 s7, s3
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; GFX6-NEXT: buffer_load_dword v0, v[0:1], s[4:7], 0 addr64 glc
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; GFX6-NEXT: s_waitcnt vmcnt(0)
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; GFX6-NEXT: buffer_store_dword v0, off, s[0:3], 0
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; GFX6-NEXT: s_endpgm
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;
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; GFX7-LABEL: global_volatile_load_1:
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; GFX7: ; %bb.0: ; %entry
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; GFX7-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX7-NEXT: v_lshlrev_b32_e32 v2, 2, v0
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; GFX7-NEXT: s_waitcnt lgkmcnt(0)
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; GFX7-NEXT: v_mov_b32_e32 v3, s1
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; GFX7-NEXT: v_add_i32_e32 v2, vcc, s0, v2
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; GFX7-NEXT: v_addc_u32_e32 v3, vcc, 0, v3, vcc
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; GFX7-NEXT: flat_load_dword v2, v[2:3] glc
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; GFX7-NEXT: s_waitcnt vmcnt(0)
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; GFX7-NEXT: v_mov_b32_e32 v0, s2
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; GFX7-NEXT: v_mov_b32_e32 v1, s3
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; GFX7-NEXT: flat_store_dword v[0:1], v2
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; GFX7-NEXT: s_endpgm
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;
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; GFX10-WGP-LABEL: global_volatile_load_1:
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; GFX10-WGP: ; %bb.0: ; %entry
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; GFX10-WGP-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX10-WGP-NEXT: v_lshlrev_b32_e32 v0, 2, v0
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; GFX10-WGP-NEXT: v_mov_b32_e32 v1, 0
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; GFX10-WGP-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-WGP-NEXT: global_load_dword v0, v0, s[0:1] glc dlc
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; GFX10-WGP-NEXT: s_waitcnt vmcnt(0)
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; GFX10-WGP-NEXT: global_store_dword v1, v0, s[2:3]
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; GFX10-WGP-NEXT: s_endpgm
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;
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; GFX10-CU-LABEL: global_volatile_load_1:
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; GFX10-CU: ; %bb.0: ; %entry
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; GFX10-CU-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX10-CU-NEXT: v_lshlrev_b32_e32 v0, 2, v0
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; GFX10-CU-NEXT: v_mov_b32_e32 v1, 0
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; GFX10-CU-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-CU-NEXT: global_load_dword v0, v0, s[0:1] glc dlc
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; GFX10-CU-NEXT: s_waitcnt vmcnt(0)
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; GFX10-CU-NEXT: global_store_dword v1, v0, s[2:3]
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; GFX10-CU-NEXT: s_endpgm
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;
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; SKIP-CACHE-INV-LABEL: global_volatile_load_1:
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; SKIP-CACHE-INV: ; %bb.0: ; %entry
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; SKIP-CACHE-INV-NEXT: s_load_dwordx4 s[4:7], s[0:1], 0x9
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s3, 0xf000
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; SKIP-CACHE-INV-NEXT: v_lshlrev_b32_e32 v0, 2, v0
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; SKIP-CACHE-INV-NEXT: v_mov_b32_e32 v1, 0
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s2, -1
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; SKIP-CACHE-INV-NEXT: s_waitcnt lgkmcnt(0)
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s0, s6
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s1, s7
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s6, 0
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s7, s3
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; SKIP-CACHE-INV-NEXT: buffer_load_dword v0, v[0:1], s[4:7], 0 addr64 glc
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; SKIP-CACHE-INV-NEXT: s_waitcnt vmcnt(0)
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; SKIP-CACHE-INV-NEXT: buffer_store_dword v0, off, s[0:3], 0
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; SKIP-CACHE-INV-NEXT: s_endpgm
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i32 addrspace(1)* %in, i32 addrspace(1)* %out) {
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entry:
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%tid = call i32 @llvm.amdgcn.workitem.id.x()
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%val.gep = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 %tid
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%val = load volatile i32, i32 addrspace(1)* %val.gep, align 4
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store i32 %val, i32 addrspace(1)* %out
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ret void
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}
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define amdgpu_kernel void @global_volatile_store_0(
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; GFX6-LABEL: global_volatile_store_0:
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; GFX6: ; %bb.0: ; %entry
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; GFX6-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x9
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; GFX6-NEXT: s_mov_b32 s7, 0xf000
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; GFX6-NEXT: s_mov_b32 s6, -1
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; GFX6-NEXT: s_waitcnt lgkmcnt(0)
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; GFX6-NEXT: s_load_dword s0, s[0:1], 0x0
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; GFX6-NEXT: s_mov_b32 s4, s2
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; GFX6-NEXT: s_mov_b32 s5, s3
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; GFX6-NEXT: s_waitcnt lgkmcnt(0)
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; GFX6-NEXT: v_mov_b32_e32 v0, s0
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; GFX6-NEXT: buffer_store_dword v0, off, s[4:7], 0
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; GFX6-NEXT: s_waitcnt vmcnt(0)
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; GFX6-NEXT: s_endpgm
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;
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; GFX7-LABEL: global_volatile_store_0:
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; GFX7: ; %bb.0: ; %entry
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; GFX7-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX7-NEXT: s_waitcnt lgkmcnt(0)
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; GFX7-NEXT: s_load_dword s0, s[0:1], 0x0
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; GFX7-NEXT: v_mov_b32_e32 v0, s2
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; GFX7-NEXT: v_mov_b32_e32 v1, s3
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; GFX7-NEXT: s_waitcnt lgkmcnt(0)
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; GFX7-NEXT: v_mov_b32_e32 v2, s0
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; GFX7-NEXT: flat_store_dword v[0:1], v2
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; GFX7-NEXT: s_waitcnt vmcnt(0)
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; GFX7-NEXT: s_endpgm
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;
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; GFX10-WGP-LABEL: global_volatile_store_0:
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; GFX10-WGP: ; %bb.0: ; %entry
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; GFX10-WGP-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX10-WGP-NEXT: v_mov_b32_e32 v0, 0
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; GFX10-WGP-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-WGP-NEXT: s_load_dword s0, s[0:1], 0x0
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; GFX10-WGP-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-WGP-NEXT: v_mov_b32_e32 v1, s0
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; GFX10-WGP-NEXT: global_store_dword v0, v1, s[2:3]
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; GFX10-WGP-NEXT: s_waitcnt_vscnt null, 0x0
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; GFX10-WGP-NEXT: s_endpgm
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;
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; GFX10-CU-LABEL: global_volatile_store_0:
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; GFX10-CU: ; %bb.0: ; %entry
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; GFX10-CU-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX10-CU-NEXT: v_mov_b32_e32 v0, 0
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; GFX10-CU-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-CU-NEXT: s_load_dword s0, s[0:1], 0x0
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; GFX10-CU-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-CU-NEXT: v_mov_b32_e32 v1, s0
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; GFX10-CU-NEXT: global_store_dword v0, v1, s[2:3]
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; GFX10-CU-NEXT: s_waitcnt_vscnt null, 0x0
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; GFX10-CU-NEXT: s_endpgm
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;
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; SKIP-CACHE-INV-LABEL: global_volatile_store_0:
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; SKIP-CACHE-INV: ; %bb.0: ; %entry
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; SKIP-CACHE-INV-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x9
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s7, 0xf000
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s6, -1
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; SKIP-CACHE-INV-NEXT: s_waitcnt lgkmcnt(0)
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; SKIP-CACHE-INV-NEXT: s_load_dword s0, s[0:1], 0x0
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s4, s2
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; SKIP-CACHE-INV-NEXT: s_mov_b32 s5, s3
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; SKIP-CACHE-INV-NEXT: s_waitcnt lgkmcnt(0)
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; SKIP-CACHE-INV-NEXT: v_mov_b32_e32 v0, s0
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; SKIP-CACHE-INV-NEXT: buffer_store_dword v0, off, s[4:7], 0
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; SKIP-CACHE-INV-NEXT: s_waitcnt vmcnt(0)
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; SKIP-CACHE-INV-NEXT: s_endpgm
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i32 addrspace(1)* %in, i32 addrspace(1)* %out) {
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entry:
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%val = load i32, i32 addrspace(1)* %in, align 4
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store volatile i32 %val, i32 addrspace(1)* %out
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ret void
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}
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define amdgpu_kernel void @global_volatile_store_1(
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; GFX6-LABEL: global_volatile_store_1:
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; GFX6: ; %bb.0: ; %entry
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; GFX6-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x9
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; GFX6-NEXT: s_mov_b32 s7, 0xf000
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; GFX6-NEXT: s_mov_b32 s6, 0
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; GFX6-NEXT: v_lshlrev_b32_e32 v0, 2, v0
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; GFX6-NEXT: v_mov_b32_e32 v1, 0
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; GFX6-NEXT: s_waitcnt lgkmcnt(0)
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; GFX6-NEXT: s_load_dword s0, s[0:1], 0x0
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; GFX6-NEXT: s_mov_b64 s[4:5], s[2:3]
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; GFX6-NEXT: s_waitcnt lgkmcnt(0)
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; GFX6-NEXT: v_mov_b32_e32 v2, s0
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; GFX6-NEXT: buffer_store_dword v2, v[0:1], s[4:7], 0 addr64
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; GFX6-NEXT: s_waitcnt vmcnt(0)
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; GFX6-NEXT: s_endpgm
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;
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; GFX7-LABEL: global_volatile_store_1:
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; GFX7: ; %bb.0: ; %entry
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; GFX7-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX7-NEXT: v_lshlrev_b32_e32 v0, 2, v0
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; GFX7-NEXT: s_waitcnt lgkmcnt(0)
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; GFX7-NEXT: s_load_dword s0, s[0:1], 0x0
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; GFX7-NEXT: v_mov_b32_e32 v1, s3
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; GFX7-NEXT: v_add_i32_e32 v0, vcc, s2, v0
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; GFX7-NEXT: v_addc_u32_e32 v1, vcc, 0, v1, vcc
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; GFX7-NEXT: s_waitcnt lgkmcnt(0)
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; GFX7-NEXT: v_mov_b32_e32 v2, s0
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; GFX7-NEXT: flat_store_dword v[0:1], v2
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; GFX7-NEXT: s_waitcnt vmcnt(0)
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; GFX7-NEXT: s_endpgm
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;
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; GFX10-WGP-LABEL: global_volatile_store_1:
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; GFX10-WGP: ; %bb.0: ; %entry
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; GFX10-WGP-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX10-WGP-NEXT: v_lshlrev_b32_e32 v0, 2, v0
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; GFX10-WGP-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-WGP-NEXT: s_load_dword s0, s[0:1], 0x0
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; GFX10-WGP-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-WGP-NEXT: v_mov_b32_e32 v1, s0
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; GFX10-WGP-NEXT: global_store_dword v0, v1, s[2:3]
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; GFX10-WGP-NEXT: s_waitcnt_vscnt null, 0x0
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; GFX10-WGP-NEXT: s_endpgm
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;
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; GFX10-CU-LABEL: global_volatile_store_1:
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; GFX10-CU: ; %bb.0: ; %entry
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; GFX10-CU-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
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; GFX10-CU-NEXT: v_lshlrev_b32_e32 v0, 2, v0
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; GFX10-CU-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-CU-NEXT: s_load_dword s0, s[0:1], 0x0
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; GFX10-CU-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-CU-NEXT: v_mov_b32_e32 v1, s0
|
|
; GFX10-CU-NEXT: global_store_dword v0, v1, s[2:3]
|
|
; GFX10-CU-NEXT: s_waitcnt_vscnt null, 0x0
|
|
; GFX10-CU-NEXT: s_endpgm
|
|
;
|
|
; SKIP-CACHE-INV-LABEL: global_volatile_store_1:
|
|
; SKIP-CACHE-INV: ; %bb.0: ; %entry
|
|
; SKIP-CACHE-INV-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x9
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s7, 0xf000
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s6, 0
|
|
; SKIP-CACHE-INV-NEXT: v_lshlrev_b32_e32 v0, 2, v0
|
|
; SKIP-CACHE-INV-NEXT: v_mov_b32_e32 v1, 0
|
|
; SKIP-CACHE-INV-NEXT: s_waitcnt lgkmcnt(0)
|
|
; SKIP-CACHE-INV-NEXT: s_load_dword s0, s[0:1], 0x0
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b64 s[4:5], s[2:3]
|
|
; SKIP-CACHE-INV-NEXT: s_waitcnt lgkmcnt(0)
|
|
; SKIP-CACHE-INV-NEXT: v_mov_b32_e32 v2, s0
|
|
; SKIP-CACHE-INV-NEXT: buffer_store_dword v2, v[0:1], s[4:7], 0 addr64
|
|
; SKIP-CACHE-INV-NEXT: s_waitcnt vmcnt(0)
|
|
; SKIP-CACHE-INV-NEXT: s_endpgm
|
|
i32 addrspace(1)* %in, i32 addrspace(1)* %out) {
|
|
entry:
|
|
%tid = call i32 @llvm.amdgcn.workitem.id.x()
|
|
%val = load i32, i32 addrspace(1)* %in, align 4
|
|
%out.gep = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %tid
|
|
store volatile i32 %val, i32 addrspace(1)* %out.gep
|
|
ret void
|
|
}
|
|
|
|
define amdgpu_kernel void @global_volatile_workgroup_acquire_load(
|
|
; GFX6-LABEL: global_volatile_workgroup_acquire_load:
|
|
; GFX6: ; %bb.0: ; %entry
|
|
; GFX6-NEXT: s_load_dwordx4 s[4:7], s[0:1], 0x9
|
|
; GFX6-NEXT: s_mov_b32 s3, 0xf000
|
|
; GFX6-NEXT: s_mov_b32 s2, -1
|
|
; GFX6-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX6-NEXT: s_mov_b32 s0, s4
|
|
; GFX6-NEXT: s_mov_b32 s1, s5
|
|
; GFX6-NEXT: buffer_load_dword v0, off, s[0:3], 0
|
|
; GFX6-NEXT: s_mov_b32 s4, s6
|
|
; GFX6-NEXT: s_mov_b32 s5, s7
|
|
; GFX6-NEXT: s_mov_b32 s6, s2
|
|
; GFX6-NEXT: s_mov_b32 s7, s3
|
|
; GFX6-NEXT: s_waitcnt vmcnt(0)
|
|
; GFX6-NEXT: buffer_store_dword v0, off, s[4:7], 0
|
|
; GFX6-NEXT: s_endpgm
|
|
;
|
|
; GFX7-LABEL: global_volatile_workgroup_acquire_load:
|
|
; GFX7: ; %bb.0: ; %entry
|
|
; GFX7-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
|
|
; GFX7-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX7-NEXT: v_mov_b32_e32 v0, s0
|
|
; GFX7-NEXT: v_mov_b32_e32 v1, s1
|
|
; GFX7-NEXT: flat_load_dword v0, v[0:1]
|
|
; GFX7-NEXT: v_mov_b32_e32 v2, s2
|
|
; GFX7-NEXT: v_mov_b32_e32 v3, s3
|
|
; GFX7-NEXT: s_waitcnt vmcnt(0)
|
|
; GFX7-NEXT: flat_store_dword v[2:3], v0
|
|
; GFX7-NEXT: s_endpgm
|
|
;
|
|
; GFX10-WGP-LABEL: global_volatile_workgroup_acquire_load:
|
|
; GFX10-WGP: ; %bb.0: ; %entry
|
|
; GFX10-WGP-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
|
|
; GFX10-WGP-NEXT: v_mov_b32_e32 v0, 0
|
|
; GFX10-WGP-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX10-WGP-NEXT: global_load_dword v1, v0, s[0:1] glc
|
|
; GFX10-WGP-NEXT: s_waitcnt vmcnt(0)
|
|
; GFX10-WGP-NEXT: buffer_gl0_inv
|
|
; GFX10-WGP-NEXT: global_store_dword v0, v1, s[2:3]
|
|
; GFX10-WGP-NEXT: s_endpgm
|
|
;
|
|
; GFX10-CU-LABEL: global_volatile_workgroup_acquire_load:
|
|
; GFX10-CU: ; %bb.0: ; %entry
|
|
; GFX10-CU-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0
|
|
; GFX10-CU-NEXT: v_mov_b32_e32 v0, 0
|
|
; GFX10-CU-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX10-CU-NEXT: global_load_dword v1, v0, s[0:1]
|
|
; GFX10-CU-NEXT: s_waitcnt vmcnt(0)
|
|
; GFX10-CU-NEXT: global_store_dword v0, v1, s[2:3]
|
|
; GFX10-CU-NEXT: s_endpgm
|
|
;
|
|
; SKIP-CACHE-INV-LABEL: global_volatile_workgroup_acquire_load:
|
|
; SKIP-CACHE-INV: ; %bb.0: ; %entry
|
|
; SKIP-CACHE-INV-NEXT: s_load_dwordx4 s[4:7], s[0:1], 0x9
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s3, 0xf000
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s2, -1
|
|
; SKIP-CACHE-INV-NEXT: s_waitcnt lgkmcnt(0)
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s0, s4
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s1, s5
|
|
; SKIP-CACHE-INV-NEXT: buffer_load_dword v0, off, s[0:3], 0
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s4, s6
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s5, s7
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s6, s2
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s7, s3
|
|
; SKIP-CACHE-INV-NEXT: s_waitcnt vmcnt(0)
|
|
; SKIP-CACHE-INV-NEXT: buffer_store_dword v0, off, s[4:7], 0
|
|
; SKIP-CACHE-INV-NEXT: s_endpgm
|
|
i32 addrspace(1)* %in, i32 addrspace(1)* %out) {
|
|
entry:
|
|
%val = load atomic volatile i32, i32 addrspace(1)* %in syncscope("workgroup") acquire, align 4
|
|
store i32 %val, i32 addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
define amdgpu_kernel void @global_volatile_workgroup_release_store(
|
|
; GFX6-LABEL: global_volatile_workgroup_release_store:
|
|
; GFX6: ; %bb.0: ; %entry
|
|
; GFX6-NEXT: s_load_dword s4, s[0:1], 0x9
|
|
; GFX6-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0xb
|
|
; GFX6-NEXT: s_mov_b32 s3, 0xf000
|
|
; GFX6-NEXT: s_mov_b32 s2, -1
|
|
; GFX6-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX6-NEXT: v_mov_b32_e32 v0, s4
|
|
; GFX6-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX6-NEXT: buffer_store_dword v0, off, s[0:3], 0
|
|
; GFX6-NEXT: s_endpgm
|
|
;
|
|
; GFX7-LABEL: global_volatile_workgroup_release_store:
|
|
; GFX7: ; %bb.0: ; %entry
|
|
; GFX7-NEXT: s_load_dword s2, s[4:5], 0x0
|
|
; GFX7-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x2
|
|
; GFX7-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX7-NEXT: v_mov_b32_e32 v2, s2
|
|
; GFX7-NEXT: v_mov_b32_e32 v0, s0
|
|
; GFX7-NEXT: v_mov_b32_e32 v1, s1
|
|
; GFX7-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX7-NEXT: flat_store_dword v[0:1], v2
|
|
; GFX7-NEXT: s_endpgm
|
|
;
|
|
; GFX10-WGP-LABEL: global_volatile_workgroup_release_store:
|
|
; GFX10-WGP: ; %bb.0: ; %entry
|
|
; GFX10-WGP-NEXT: s_clause 0x1
|
|
; GFX10-WGP-NEXT: s_load_dword s2, s[4:5], 0x0
|
|
; GFX10-WGP-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x8
|
|
; GFX10-WGP-NEXT: v_mov_b32_e32 v0, 0
|
|
; GFX10-WGP-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX10-WGP-NEXT: v_mov_b32_e32 v1, s2
|
|
; GFX10-WGP-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; GFX10-WGP-NEXT: s_waitcnt_vscnt null, 0x0
|
|
; GFX10-WGP-NEXT: global_store_dword v0, v1, s[0:1]
|
|
; GFX10-WGP-NEXT: s_endpgm
|
|
;
|
|
; GFX10-CU-LABEL: global_volatile_workgroup_release_store:
|
|
; GFX10-CU: ; %bb.0: ; %entry
|
|
; GFX10-CU-NEXT: s_clause 0x1
|
|
; GFX10-CU-NEXT: s_load_dword s2, s[4:5], 0x0
|
|
; GFX10-CU-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x8
|
|
; GFX10-CU-NEXT: v_mov_b32_e32 v0, 0
|
|
; GFX10-CU-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX10-CU-NEXT: v_mov_b32_e32 v1, s2
|
|
; GFX10-CU-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX10-CU-NEXT: global_store_dword v0, v1, s[0:1]
|
|
; GFX10-CU-NEXT: s_endpgm
|
|
;
|
|
; SKIP-CACHE-INV-LABEL: global_volatile_workgroup_release_store:
|
|
; SKIP-CACHE-INV: ; %bb.0: ; %entry
|
|
; SKIP-CACHE-INV-NEXT: s_load_dword s4, s[0:1], 0x9
|
|
; SKIP-CACHE-INV-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0xb
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s3, 0xf000
|
|
; SKIP-CACHE-INV-NEXT: s_mov_b32 s2, -1
|
|
; SKIP-CACHE-INV-NEXT: s_waitcnt lgkmcnt(0)
|
|
; SKIP-CACHE-INV-NEXT: v_mov_b32_e32 v0, s4
|
|
; SKIP-CACHE-INV-NEXT: s_waitcnt lgkmcnt(0)
|
|
; SKIP-CACHE-INV-NEXT: buffer_store_dword v0, off, s[0:3], 0
|
|
; SKIP-CACHE-INV-NEXT: s_endpgm
|
|
i32 %in, i32 addrspace(1)* %out) {
|
|
entry:
|
|
store atomic volatile i32 %in, i32 addrspace(1)* %out syncscope("workgroup") release, align 4
|
|
ret void
|
|
}
|
|
|
|
declare i32 @llvm.amdgcn.workitem.id.x()
|