Files
clang-p2996/llvm/test/CodeGen/AMDGPU/nested-calls.ll
Vitaly Buka a496c8be6e Revert "[CodeGen]Allow targets to use target specific COPY instructions for live range splitting"
And dependent commits.

Details in D150388.

This reverts commit 825b7f0ca5.
This reverts commit 7a98f084c4.
This reverts commit b4a62b1fa5.
This reverts commit b7836d8562.

No conflicts in the code, few tests had conflicts in autogenerated CHECKs:
llvm/test/CodeGen/Thumb2/mve-float32regloops.ll
llvm/test/CodeGen/AMDGPU/fix-frame-reg-in-custom-csr-spills.ll

Reviewed By: alexfh

Differential Revision: https://reviews.llvm.org/D156381
2023-07-26 22:13:32 -07:00

63 lines
2.6 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -amdgpu-sroa=0 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=hawaii -amdgpu-sroa=0 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=gfx900 -mattr=-flat-for-global -amdgpu-sroa=0 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
; Test calls when called by other callable functions rather than
; kernels.
declare void @external_void_func_i32(i32) #0
; GCN-LABEL: {{^}}test_func_call_external_void_func_i32_imm:
; GCN: s_waitcnt
; Spill CSR VGPR used for SGPR spilling
; GCN: s_mov_b32 [[FP_SCRATCH_COPY:s[0-9]+]], s33
; GCN-NEXT: s_mov_b32 s33, s32
; GCN-NEXT: s_or_saveexec_b64 [[COPY_EXEC0:s\[[0-9]+:[0-9]+\]]], -1{{$}}
; GCN-NEXT: buffer_store_dword v40, off, s[0:3], s33 ; 4-byte Folded Spill
; GCN-NEXT: buffer_store_dword v41, off, s[0:3], s33 offset:4 ; 4-byte Folded Spill
; GCN-NEXT: s_mov_b64 exec, [[COPY_EXEC0]]
; GCN-DAG: v_writelane_b32 v41, [[FP_SCRATCH_COPY]], 0
; GCN-DAG: v_writelane_b32 v40, s30, 0
; GCN-DAG: v_writelane_b32 v40, s31, 1
; GCN: s_swappc_b64
; GCN: v_readlane_b32 s31, v40, 1
; GCN: v_readlane_b32 s30, v40, 0
; GCN-NEXT: v_readlane_b32 [[FP_SCRATCH_COPY:s[0-9]+]], v41, 0
; GCN: s_or_saveexec_b64 [[COPY_EXEC1:s\[[0-9]+:[0-9]+\]]], -1{{$}}
; GCN-NEXT: buffer_load_dword v40, off, s[0:3], s33 ; 4-byte Folded Reload
; GCN-NEXT: buffer_load_dword v41, off, s[0:3], s33 offset:4 ; 4-byte Folded Reload
; GCN-NEXT: s_mov_b64 exec, [[COPY_EXEC1]]
; GCN-NEXT: s_addk_i32 s32, 0xfc00
; GCN-NEXT: s_mov_b32 s33, [[FP_SCRATCH_COPY]]
; GCN-NEXT: s_waitcnt vmcnt(0)
; GCN-NEXT: s_setpc_b64 s[30:31]
define void @test_func_call_external_void_func_i32_imm() #0 {
call void @external_void_func_i32(i32 42)
ret void
}
; GCN-LABEL: {{^}}test_func_call_external_void_func_i32_imm_stack_use:
; GCN: s_waitcnt
; GCN: s_mov_b32 s33, s32
; GCN-DAG: s_addk_i32 s32, 0x1400{{$}}
; GCN-DAG: buffer_store_dword v{{[0-9]+}}, off, s[0:3], s33 offset:
; GCN: s_swappc_b64
; GCN: s_addk_i32 s32, 0xec00{{$}}
; GCN: s_setpc_b64
define void @test_func_call_external_void_func_i32_imm_stack_use() #0 {
%alloca = alloca [16 x i32], align 4, addrspace(5)
%gep15 = getelementptr inbounds [16 x i32], ptr addrspace(5) %alloca, i32 0, i32 16
store volatile i32 0, ptr addrspace(5) %alloca
store volatile i32 0, ptr addrspace(5) %gep15
call void @external_void_func_i32(i32 42)
ret void
}
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind noinline }