; 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 -disable-fp-elim < %s \ ; RUN: | FileCheck -check-prefix=RV32I-WITHFP %s ; TODO: the quality of the generated code is poor define void @test() nounwind { ; 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: 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: lui a0, 74565 ; RV32I-WITHFP-NEXT: addi a0, a0, 1680 ; RV32I-WITHFP-NEXT: sub sp, sp, a0 ; RV32I-WITHFP-NEXT: lui a0, 74565 ; RV32I-WITHFP-NEXT: addi a0, a0, 1676 ; RV32I-WITHFP-NEXT: add a0, sp, a0 ; RV32I-WITHFP-NEXT: sw ra, 0(a0) ; RV32I-WITHFP-NEXT: lui a0, 74565 ; RV32I-WITHFP-NEXT: addi a0, a0, 1672 ; RV32I-WITHFP-NEXT: add a0, sp, a0 ; RV32I-WITHFP-NEXT: sw s0, 0(a0) ; RV32I-WITHFP-NEXT: lui a0, 74565 ; RV32I-WITHFP-NEXT: addi a0, a0, 1680 ; RV32I-WITHFP-NEXT: add s0, sp, a0 ; RV32I-WITHFP-NEXT: lui a0, 74565 ; RV32I-WITHFP-NEXT: addi a0, a0, 1672 ; RV32I-WITHFP-NEXT: add a0, sp, a0 ; RV32I-WITHFP-NEXT: lw s0, 0(a0) ; RV32I-WITHFP-NEXT: lui a0, 74565 ; RV32I-WITHFP-NEXT: addi a0, a0, 1676 ; RV32I-WITHFP-NEXT: add a0, sp, a0 ; RV32I-WITHFP-NEXT: lw ra, 0(a0) ; RV32I-WITHFP-NEXT: lui a0, 74565 ; RV32I-WITHFP-NEXT: addi a0, a0, 1680 ; RV32I-WITHFP-NEXT: add sp, sp, a0 ; 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) nounwind { ; RV32I-FPELIM-LABEL: test_emergency_spill_slot: ; RV32I-FPELIM: # %bb.0: ; RV32I-FPELIM-NEXT: lui a1, 98 ; RV32I-FPELIM-NEXT: addi a1, a1, -1392 ; RV32I-FPELIM-NEXT: sub sp, sp, a1 ; RV32I-FPELIM-NEXT: lui a1, 98 ; RV32I-FPELIM-NEXT: addi a1, a1, -1396 ; RV32I-FPELIM-NEXT: add a1, sp, a1 ; RV32I-FPELIM-NEXT: sw s1, 0(a1) ; RV32I-FPELIM-NEXT: lui a1, 98 ; RV32I-FPELIM-NEXT: addi a1, a1, -1400 ; RV32I-FPELIM-NEXT: add a1, sp, a1 ; RV32I-FPELIM-NEXT: sw s2, 0(a1) ; RV32I-FPELIM-NEXT: lui a1, 78 ; RV32I-FPELIM-NEXT: addi a1, a1, 512 ; 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, 0(a1) ; RV32I-FPELIM-NEXT: #APP ; RV32I-FPELIM-NEXT: nop ; RV32I-FPELIM-NEXT: #NO_APP ; RV32I-FPELIM-NEXT: lui a0, 98 ; RV32I-FPELIM-NEXT: addi a0, a0, -1400 ; RV32I-FPELIM-NEXT: add a0, sp, a0 ; RV32I-FPELIM-NEXT: lw s2, 0(a0) ; RV32I-FPELIM-NEXT: lui a0, 98 ; RV32I-FPELIM-NEXT: addi a0, a0, -1396 ; RV32I-FPELIM-NEXT: add a0, sp, a0 ; RV32I-FPELIM-NEXT: lw s1, 0(a0) ; RV32I-FPELIM-NEXT: lui a0, 98 ; RV32I-FPELIM-NEXT: addi a0, a0, -1392 ; RV32I-FPELIM-NEXT: add sp, sp, a0 ; RV32I-FPELIM-NEXT: ret ; ; RV32I-WITHFP-LABEL: test_emergency_spill_slot: ; RV32I-WITHFP: # %bb.0: ; RV32I-WITHFP-NEXT: lui a1, 98 ; RV32I-WITHFP-NEXT: addi a1, a1, -1376 ; RV32I-WITHFP-NEXT: sub sp, sp, a1 ; RV32I-WITHFP-NEXT: lui a1, 98 ; RV32I-WITHFP-NEXT: addi a1, a1, -1380 ; RV32I-WITHFP-NEXT: add a1, sp, a1 ; RV32I-WITHFP-NEXT: sw ra, 0(a1) ; RV32I-WITHFP-NEXT: lui a1, 98 ; RV32I-WITHFP-NEXT: addi a1, a1, -1384 ; RV32I-WITHFP-NEXT: add a1, sp, a1 ; RV32I-WITHFP-NEXT: sw s0, 0(a1) ; RV32I-WITHFP-NEXT: lui a1, 98 ; RV32I-WITHFP-NEXT: addi a1, a1, -1388 ; RV32I-WITHFP-NEXT: add a1, sp, a1 ; RV32I-WITHFP-NEXT: sw s1, 0(a1) ; RV32I-WITHFP-NEXT: lui a1, 98 ; RV32I-WITHFP-NEXT: addi a1, a1, -1392 ; RV32I-WITHFP-NEXT: add a1, sp, a1 ; RV32I-WITHFP-NEXT: sw s2, 0(a1) ; RV32I-WITHFP-NEXT: lui a1, 98 ; RV32I-WITHFP-NEXT: addi a1, a1, -1376 ; RV32I-WITHFP-NEXT: add s0, sp, a1 ; RV32I-WITHFP-NEXT: lui a1, 78 ; RV32I-WITHFP-NEXT: addi a1, a1, 512 ; RV32I-WITHFP-NEXT: lui a2, 1048478 ; RV32I-WITHFP-NEXT: addi a2, a2, 1388 ; RV32I-WITHFP-NEXT: add a2, s0, a2 ; RV32I-WITHFP-NEXT: mv a2, 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, 0(a1) ; RV32I-WITHFP-NEXT: #APP ; RV32I-WITHFP-NEXT: nop ; RV32I-WITHFP-NEXT: #NO_APP ; RV32I-WITHFP-NEXT: lui a0, 98 ; RV32I-WITHFP-NEXT: addi a0, a0, -1392 ; RV32I-WITHFP-NEXT: add a0, sp, a0 ; RV32I-WITHFP-NEXT: lw s2, 0(a0) ; RV32I-WITHFP-NEXT: lui a0, 98 ; RV32I-WITHFP-NEXT: addi a0, a0, -1388 ; RV32I-WITHFP-NEXT: add a0, sp, a0 ; RV32I-WITHFP-NEXT: lw s1, 0(a0) ; RV32I-WITHFP-NEXT: lui a0, 98 ; RV32I-WITHFP-NEXT: addi a0, a0, -1384 ; RV32I-WITHFP-NEXT: add a0, sp, a0 ; RV32I-WITHFP-NEXT: lw s0, 0(a0) ; RV32I-WITHFP-NEXT: lui a0, 98 ; RV32I-WITHFP-NEXT: addi a0, a0, -1380 ; RV32I-WITHFP-NEXT: add a0, sp, a0 ; RV32I-WITHFP-NEXT: lw ra, 0(a0) ; RV32I-WITHFP-NEXT: lui a0, 98 ; RV32I-WITHFP-NEXT: addi a0, a0, -1376 ; RV32I-WITHFP-NEXT: add sp, sp, a0 ; 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 }