139 lines
6.9 KiB
LLVM
139 lines
6.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
|
|
; RUN: | FileCheck -check-prefix=RV32I-FPELIM %s
|
|
; RUN: llc -mtriple=riscv32 -verify-machineinstrs -frame-pointer=all < %s \
|
|
; RUN: | FileCheck -check-prefix=RV32I-WITHFP %s
|
|
|
|
; TODO: the quality of the generated code is poor
|
|
|
|
define void @test() {
|
|
; RV32I-FPELIM-LABEL: test:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: lui a0, 74565
|
|
; RV32I-FPELIM-NEXT: addi a0, a0, 1664
|
|
; RV32I-FPELIM-NEXT: sub sp, sp, a0
|
|
; RV32I-FPELIM-NEXT: .cfi_def_cfa_offset 305419904
|
|
; RV32I-FPELIM-NEXT: lui a0, 74565
|
|
; RV32I-FPELIM-NEXT: addi a0, a0, 1664
|
|
; RV32I-FPELIM-NEXT: add sp, sp, a0
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: test:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -2032
|
|
; RV32I-WITHFP-NEXT: .cfi_def_cfa_offset 2032
|
|
; RV32I-WITHFP-NEXT: sw ra, 2028(sp) # 4-byte Folded Spill
|
|
; RV32I-WITHFP-NEXT: sw s0, 2024(sp) # 4-byte Folded Spill
|
|
; RV32I-WITHFP-NEXT: .cfi_offset ra, -4
|
|
; RV32I-WITHFP-NEXT: .cfi_offset s0, -8
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 2032
|
|
; RV32I-WITHFP-NEXT: .cfi_def_cfa s0, 0
|
|
; RV32I-WITHFP-NEXT: lui a0, 74565
|
|
; RV32I-WITHFP-NEXT: addi a0, a0, -352
|
|
; RV32I-WITHFP-NEXT: sub sp, sp, a0
|
|
; RV32I-WITHFP-NEXT: lui a0, 74565
|
|
; RV32I-WITHFP-NEXT: addi a0, a0, -352
|
|
; RV32I-WITHFP-NEXT: add sp, sp, a0
|
|
; RV32I-WITHFP-NEXT: lw ra, 2028(sp) # 4-byte Folded Reload
|
|
; RV32I-WITHFP-NEXT: lw s0, 2024(sp) # 4-byte Folded Reload
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 2032
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%tmp = alloca [ 305419896 x i8 ] , align 4
|
|
ret void
|
|
}
|
|
|
|
; This test case artificially produces register pressure which should force
|
|
; use of the emergency spill slot.
|
|
|
|
define void @test_emergency_spill_slot(i32 %a) {
|
|
; RV32I-FPELIM-LABEL: test_emergency_spill_slot:
|
|
; RV32I-FPELIM: # %bb.0:
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, -2032
|
|
; RV32I-FPELIM-NEXT: .cfi_def_cfa_offset 2032
|
|
; RV32I-FPELIM-NEXT: sw s0, 2028(sp) # 4-byte Folded Spill
|
|
; RV32I-FPELIM-NEXT: sw s1, 2024(sp) # 4-byte Folded Spill
|
|
; RV32I-FPELIM-NEXT: .cfi_offset s0, -4
|
|
; RV32I-FPELIM-NEXT: .cfi_offset s1, -8
|
|
; RV32I-FPELIM-NEXT: lui a1, 97
|
|
; RV32I-FPELIM-NEXT: addi a1, a1, 672
|
|
; RV32I-FPELIM-NEXT: sub sp, sp, a1
|
|
; RV32I-FPELIM-NEXT: .cfi_def_cfa_offset 400016
|
|
; RV32I-FPELIM-NEXT: lui a1, 78
|
|
; RV32I-FPELIM-NEXT: addi a2, sp, 8
|
|
; RV32I-FPELIM-NEXT: add a1, a2, a1
|
|
; RV32I-FPELIM-NEXT: #APP
|
|
; RV32I-FPELIM-NEXT: nop
|
|
; RV32I-FPELIM-NEXT: #NO_APP
|
|
; RV32I-FPELIM-NEXT: sw a0, 512(a1)
|
|
; RV32I-FPELIM-NEXT: #APP
|
|
; RV32I-FPELIM-NEXT: nop
|
|
; RV32I-FPELIM-NEXT: #NO_APP
|
|
; RV32I-FPELIM-NEXT: lui a0, 97
|
|
; RV32I-FPELIM-NEXT: addi a0, a0, 672
|
|
; RV32I-FPELIM-NEXT: add sp, sp, a0
|
|
; RV32I-FPELIM-NEXT: lw s0, 2028(sp) # 4-byte Folded Reload
|
|
; RV32I-FPELIM-NEXT: lw s1, 2024(sp) # 4-byte Folded Reload
|
|
; RV32I-FPELIM-NEXT: addi sp, sp, 2032
|
|
; RV32I-FPELIM-NEXT: ret
|
|
;
|
|
; RV32I-WITHFP-LABEL: test_emergency_spill_slot:
|
|
; RV32I-WITHFP: # %bb.0:
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, -2032
|
|
; RV32I-WITHFP-NEXT: .cfi_def_cfa_offset 2032
|
|
; RV32I-WITHFP-NEXT: sw ra, 2028(sp) # 4-byte Folded Spill
|
|
; RV32I-WITHFP-NEXT: sw s0, 2024(sp) # 4-byte Folded Spill
|
|
; RV32I-WITHFP-NEXT: sw s1, 2020(sp) # 4-byte Folded Spill
|
|
; RV32I-WITHFP-NEXT: sw s2, 2016(sp) # 4-byte Folded Spill
|
|
; RV32I-WITHFP-NEXT: .cfi_offset ra, -4
|
|
; RV32I-WITHFP-NEXT: .cfi_offset s0, -8
|
|
; RV32I-WITHFP-NEXT: .cfi_offset s1, -12
|
|
; RV32I-WITHFP-NEXT: .cfi_offset s2, -16
|
|
; RV32I-WITHFP-NEXT: addi s0, sp, 2032
|
|
; RV32I-WITHFP-NEXT: .cfi_def_cfa s0, 0
|
|
; RV32I-WITHFP-NEXT: lui a1, 97
|
|
; RV32I-WITHFP-NEXT: addi a1, a1, 688
|
|
; RV32I-WITHFP-NEXT: sub sp, sp, a1
|
|
; RV32I-WITHFP-NEXT: lui a1, 78
|
|
; RV32I-WITHFP-NEXT: lui a2, 1048478
|
|
; RV32I-WITHFP-NEXT: addi a2, a2, 1388
|
|
; RV32I-WITHFP-NEXT: add a2, s0, a2
|
|
; RV32I-WITHFP-NEXT: add a1, a2, a1
|
|
; RV32I-WITHFP-NEXT: #APP
|
|
; RV32I-WITHFP-NEXT: nop
|
|
; RV32I-WITHFP-NEXT: #NO_APP
|
|
; RV32I-WITHFP-NEXT: sw a0, 512(a1)
|
|
; RV32I-WITHFP-NEXT: #APP
|
|
; RV32I-WITHFP-NEXT: nop
|
|
; RV32I-WITHFP-NEXT: #NO_APP
|
|
; RV32I-WITHFP-NEXT: lui a0, 97
|
|
; RV32I-WITHFP-NEXT: addi a0, a0, 688
|
|
; RV32I-WITHFP-NEXT: add sp, sp, a0
|
|
; RV32I-WITHFP-NEXT: lw ra, 2028(sp) # 4-byte Folded Reload
|
|
; RV32I-WITHFP-NEXT: lw s0, 2024(sp) # 4-byte Folded Reload
|
|
; RV32I-WITHFP-NEXT: lw s1, 2020(sp) # 4-byte Folded Reload
|
|
; RV32I-WITHFP-NEXT: lw s2, 2016(sp) # 4-byte Folded Reload
|
|
; RV32I-WITHFP-NEXT: addi sp, sp, 2032
|
|
; RV32I-WITHFP-NEXT: ret
|
|
%data = alloca [ 100000 x i32 ] , align 4
|
|
%ptr = getelementptr inbounds [100000 x i32], [100000 x i32]* %data, i32 0, i32 80000
|
|
%1 = tail call { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } asm sideeffect "nop", "=r,=r,=r,=r,=r,=r,=r,=r,=r,=r,=r,=r,=r,=r,=r"()
|
|
%asmresult0 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 0
|
|
%asmresult1 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 1
|
|
%asmresult2 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 2
|
|
%asmresult3 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 3
|
|
%asmresult4 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 4
|
|
%asmresult5 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 5
|
|
%asmresult6 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 6
|
|
%asmresult7 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 7
|
|
%asmresult8 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 8
|
|
%asmresult9 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 9
|
|
%asmresult10 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 10
|
|
%asmresult11 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 11
|
|
%asmresult12 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 12
|
|
%asmresult13 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 13
|
|
%asmresult14 = extractvalue { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %1, 14
|
|
store volatile i32 %a, i32* %ptr
|
|
tail call void asm sideeffect "nop", "r,r,r,r,r,r,r,r,r,r,r,r,r,r,r"(i32 %asmresult0, i32 %asmresult1, i32 %asmresult2, i32 %asmresult3, i32 %asmresult4, i32 %asmresult5, i32 %asmresult6, i32 %asmresult7, i32 %asmresult8, i32 %asmresult9, i32 %asmresult10, i32 %asmresult11, i32 %asmresult12, i32 %asmresult13, i32 %asmresult14)
|
|
ret void
|
|
}
|