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|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
; RUN: -target-abi=ilp32d | FileCheck -check-prefixes=CHECKIFD,RV32IFD %s
; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \
; RUN: -target-abi=lp64d | FileCheck -check-prefixes=CHECKIFD,RV64IFD %s
; RUN: llc -mtriple=riscv32 -mattr=+zdinx -verify-machineinstrs < %s \
; RUN: -target-abi=ilp32 | FileCheck -check-prefixes=RV32IZFINXZDINX %s
; RUN: llc -mtriple=riscv64 -mattr=+zdinx -verify-machineinstrs < %s \
; RUN: -target-abi=lp64 | FileCheck -check-prefixes=RV64IZFINXZDINX %s
define dso_local double @fld(ptr %a) nounwind {
; CHECKIFD-LABEL: fld:
; CHECKIFD: # %bb.0:
; CHECKIFD-NEXT: fld fa5, 0(a0)
; CHECKIFD-NEXT: fld fa4, 24(a0)
; CHECKIFD-NEXT: fadd.d fa0, fa5, fa4
; CHECKIFD-NEXT: ret
;
; RV32IZFINXZDINX-LABEL: fld:
; RV32IZFINXZDINX: # %bb.0:
; RV32IZFINXZDINX-NEXT: addi sp, sp, -16
; RV32IZFINXZDINX-NEXT: lw a2, 0(a0)
; RV32IZFINXZDINX-NEXT: lw a3, 4(a0)
; RV32IZFINXZDINX-NEXT: lw a1, 28(a0)
; RV32IZFINXZDINX-NEXT: lw a0, 24(a0)
; RV32IZFINXZDINX-NEXT: fadd.d a0, a2, a0
; RV32IZFINXZDINX-NEXT: sw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: sw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: lw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: addi sp, sp, 16
; RV32IZFINXZDINX-NEXT: ret
;
; RV64IZFINXZDINX-LABEL: fld:
; RV64IZFINXZDINX: # %bb.0:
; RV64IZFINXZDINX-NEXT: ld a1, 0(a0)
; RV64IZFINXZDINX-NEXT: ld a0, 24(a0)
; RV64IZFINXZDINX-NEXT: fadd.d a0, a1, a0
; RV64IZFINXZDINX-NEXT: ret
%1 = load double, ptr %a
%2 = getelementptr double, ptr %a, i32 3
%3 = load double, ptr %2
; Use both loaded values in an FP op to ensure an fld is used, even for the
; soft float ABI
%4 = fadd double %1, %3
ret double %4
}
define dso_local void @fsd(ptr %a, double %b, double %c) nounwind {
; CHECKIFD-LABEL: fsd:
; CHECKIFD: # %bb.0:
; CHECKIFD-NEXT: fadd.d fa5, fa0, fa1
; CHECKIFD-NEXT: fsd fa5, 0(a0)
; CHECKIFD-NEXT: fsd fa5, 64(a0)
; CHECKIFD-NEXT: ret
;
; RV32IZFINXZDINX-LABEL: fsd:
; RV32IZFINXZDINX: # %bb.0:
; RV32IZFINXZDINX-NEXT: addi sp, sp, -16
; RV32IZFINXZDINX-NEXT: sw a3, 8(sp)
; RV32IZFINXZDINX-NEXT: sw a4, 12(sp)
; RV32IZFINXZDINX-NEXT: lw a4, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a5, 12(sp)
; RV32IZFINXZDINX-NEXT: sw a1, 8(sp)
; RV32IZFINXZDINX-NEXT: sw a2, 12(sp)
; RV32IZFINXZDINX-NEXT: lw a2, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a3, 12(sp)
; RV32IZFINXZDINX-NEXT: fadd.d a2, a2, a4
; RV32IZFINXZDINX-NEXT: sw a2, 0(a0)
; RV32IZFINXZDINX-NEXT: sw a3, 4(a0)
; RV32IZFINXZDINX-NEXT: sw a2, 64(a0)
; RV32IZFINXZDINX-NEXT: sw a3, 68(a0)
; RV32IZFINXZDINX-NEXT: addi sp, sp, 16
; RV32IZFINXZDINX-NEXT: ret
;
; RV64IZFINXZDINX-LABEL: fsd:
; RV64IZFINXZDINX: # %bb.0:
; RV64IZFINXZDINX-NEXT: fadd.d a1, a1, a2
; RV64IZFINXZDINX-NEXT: sd a1, 0(a0)
; RV64IZFINXZDINX-NEXT: sd a1, 64(a0)
; RV64IZFINXZDINX-NEXT: ret
; Use %b and %c in an FP op to ensure floating point registers are used, even
; for the soft float ABI
%1 = fadd double %b, %c
store double %1, ptr %a
%2 = getelementptr double, ptr %a, i32 8
store double %1, ptr %2
ret void
}
; Check load and store to a global
@G = dso_local global double 0.0
define dso_local double @fld_fsd_global(double %a, double %b) nounwind {
; CHECKIFD-LABEL: fld_fsd_global:
; CHECKIFD: # %bb.0:
; CHECKIFD-NEXT: fadd.d fa0, fa0, fa1
; CHECKIFD-NEXT: lui a0, %hi(G)
; CHECKIFD-NEXT: fld fa5, %lo(G)(a0)
; CHECKIFD-NEXT: addi a1, a0, %lo(G)
; CHECKIFD-NEXT: fsd fa0, %lo(G)(a0)
; CHECKIFD-NEXT: fld fa5, 72(a1)
; CHECKIFD-NEXT: fsd fa0, 72(a1)
; CHECKIFD-NEXT: ret
;
; RV32IZFINXZDINX-LABEL: fld_fsd_global:
; RV32IZFINXZDINX: # %bb.0:
; RV32IZFINXZDINX-NEXT: addi sp, sp, -16
; RV32IZFINXZDINX-NEXT: sw a2, 8(sp)
; RV32IZFINXZDINX-NEXT: sw a3, 12(sp)
; RV32IZFINXZDINX-NEXT: lw a2, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a3, 12(sp)
; RV32IZFINXZDINX-NEXT: sw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: sw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: lw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: fadd.d a0, a0, a2
; RV32IZFINXZDINX-NEXT: lui a2, %hi(G)
; RV32IZFINXZDINX-NEXT: lw a4, %lo(G)(a2)
; RV32IZFINXZDINX-NEXT: lw a5, %lo(G+4)(a2)
; RV32IZFINXZDINX-NEXT: addi a3, a2, %lo(G)
; RV32IZFINXZDINX-NEXT: sw a0, %lo(G)(a2)
; RV32IZFINXZDINX-NEXT: sw a1, %lo(G+4)(a2)
; RV32IZFINXZDINX-NEXT: lw a4, 72(a3)
; RV32IZFINXZDINX-NEXT: lw a5, 76(a3)
; RV32IZFINXZDINX-NEXT: sw a0, 72(a3)
; RV32IZFINXZDINX-NEXT: sw a1, 76(a3)
; RV32IZFINXZDINX-NEXT: sw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: sw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: lw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: addi sp, sp, 16
; RV32IZFINXZDINX-NEXT: ret
;
; RV64IZFINXZDINX-LABEL: fld_fsd_global:
; RV64IZFINXZDINX: # %bb.0:
; RV64IZFINXZDINX-NEXT: fadd.d a0, a0, a1
; RV64IZFINXZDINX-NEXT: lui a1, %hi(G)
; RV64IZFINXZDINX-NEXT: ld a2, %lo(G)(a1)
; RV64IZFINXZDINX-NEXT: addi a2, a1, %lo(G)
; RV64IZFINXZDINX-NEXT: sd a0, %lo(G)(a1)
; RV64IZFINXZDINX-NEXT: ld a1, 72(a2)
; RV64IZFINXZDINX-NEXT: sd a0, 72(a2)
; RV64IZFINXZDINX-NEXT: ret
; Use %a and %b in an FP op to ensure floating point registers are used, even
; for the soft float ABI
%1 = fadd double %a, %b
%2 = load volatile double, ptr @G
store double %1, ptr @G
%3 = getelementptr double, ptr @G, i32 9
%4 = load volatile double, ptr %3
store double %1, ptr %3
ret double %1
}
; Ensure that 1 is added to the high 20 bits if bit 11 of the low part is 1
define dso_local double @fld_fsd_constant(double %a) nounwind {
; RV32IFD-LABEL: fld_fsd_constant:
; RV32IFD: # %bb.0:
; RV32IFD-NEXT: lui a0, 912092
; RV32IFD-NEXT: fld fa5, -273(a0)
; RV32IFD-NEXT: fadd.d fa0, fa0, fa5
; RV32IFD-NEXT: fsd fa0, -273(a0)
; RV32IFD-NEXT: ret
;
; RV64IFD-LABEL: fld_fsd_constant:
; RV64IFD: # %bb.0:
; RV64IFD-NEXT: lui a0, 228023
; RV64IFD-NEXT: slli a0, a0, 2
; RV64IFD-NEXT: fld fa5, -273(a0)
; RV64IFD-NEXT: fadd.d fa0, fa0, fa5
; RV64IFD-NEXT: fsd fa0, -273(a0)
; RV64IFD-NEXT: ret
;
; RV32IZFINXZDINX-LABEL: fld_fsd_constant:
; RV32IZFINXZDINX: # %bb.0:
; RV32IZFINXZDINX-NEXT: addi sp, sp, -16
; RV32IZFINXZDINX-NEXT: sw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: sw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: lw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: lui a2, 912092
; RV32IZFINXZDINX-NEXT: lw a4, -273(a2)
; RV32IZFINXZDINX-NEXT: lw a5, -269(a2)
; RV32IZFINXZDINX-NEXT: fadd.d a0, a0, a4
; RV32IZFINXZDINX-NEXT: sw a0, -273(a2)
; RV32IZFINXZDINX-NEXT: sw a1, -269(a2)
; RV32IZFINXZDINX-NEXT: sw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: sw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: lw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: addi sp, sp, 16
; RV32IZFINXZDINX-NEXT: ret
;
; RV64IZFINXZDINX-LABEL: fld_fsd_constant:
; RV64IZFINXZDINX: # %bb.0:
; RV64IZFINXZDINX-NEXT: lui a1, 228023
; RV64IZFINXZDINX-NEXT: slli a1, a1, 2
; RV64IZFINXZDINX-NEXT: ld a2, -273(a1)
; RV64IZFINXZDINX-NEXT: fadd.d a0, a0, a2
; RV64IZFINXZDINX-NEXT: sd a0, -273(a1)
; RV64IZFINXZDINX-NEXT: ret
%1 = inttoptr i32 3735928559 to ptr
%2 = load volatile double, ptr %1
%3 = fadd double %a, %2
store double %3, ptr %1
ret double %3
}
declare void @notdead(ptr)
define dso_local double @fld_stack(double %a) nounwind {
; RV32IFD-LABEL: fld_stack:
; RV32IFD: # %bb.0:
; RV32IFD-NEXT: addi sp, sp, -32
; RV32IFD-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
; RV32IFD-NEXT: fsd fs0, 16(sp) # 8-byte Folded Spill
; RV32IFD-NEXT: fmv.d fs0, fa0
; RV32IFD-NEXT: addi a0, sp, 8
; RV32IFD-NEXT: call notdead@plt
; RV32IFD-NEXT: fld fa5, 8(sp)
; RV32IFD-NEXT: fadd.d fa0, fa5, fs0
; RV32IFD-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
; RV32IFD-NEXT: fld fs0, 16(sp) # 8-byte Folded Reload
; RV32IFD-NEXT: addi sp, sp, 32
; RV32IFD-NEXT: ret
;
; RV64IFD-LABEL: fld_stack:
; RV64IFD: # %bb.0:
; RV64IFD-NEXT: addi sp, sp, -32
; RV64IFD-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64IFD-NEXT: fsd fs0, 16(sp) # 8-byte Folded Spill
; RV64IFD-NEXT: fmv.d fs0, fa0
; RV64IFD-NEXT: addi a0, sp, 8
; RV64IFD-NEXT: call notdead@plt
; RV64IFD-NEXT: fld fa5, 8(sp)
; RV64IFD-NEXT: fadd.d fa0, fa5, fs0
; RV64IFD-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64IFD-NEXT: fld fs0, 16(sp) # 8-byte Folded Reload
; RV64IFD-NEXT: addi sp, sp, 32
; RV64IFD-NEXT: ret
;
; RV32IZFINXZDINX-LABEL: fld_stack:
; RV32IZFINXZDINX: # %bb.0:
; RV32IZFINXZDINX-NEXT: addi sp, sp, -32
; RV32IZFINXZDINX-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
; RV32IZFINXZDINX-NEXT: sw s0, 24(sp) # 4-byte Folded Spill
; RV32IZFINXZDINX-NEXT: sw s1, 20(sp) # 4-byte Folded Spill
; RV32IZFINXZDINX-NEXT: sw a0, 0(sp)
; RV32IZFINXZDINX-NEXT: sw a1, 4(sp)
; RV32IZFINXZDINX-NEXT: lw s0, 0(sp)
; RV32IZFINXZDINX-NEXT: lw s1, 4(sp)
; RV32IZFINXZDINX-NEXT: addi a0, sp, 8
; RV32IZFINXZDINX-NEXT: call notdead@plt
; RV32IZFINXZDINX-NEXT: lw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: fadd.d a0, a0, s0
; RV32IZFINXZDINX-NEXT: sw a0, 0(sp)
; RV32IZFINXZDINX-NEXT: sw a1, 4(sp)
; RV32IZFINXZDINX-NEXT: lw a0, 0(sp)
; RV32IZFINXZDINX-NEXT: lw a1, 4(sp)
; RV32IZFINXZDINX-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
; RV32IZFINXZDINX-NEXT: lw s0, 24(sp) # 4-byte Folded Reload
; RV32IZFINXZDINX-NEXT: lw s1, 20(sp) # 4-byte Folded Reload
; RV32IZFINXZDINX-NEXT: addi sp, sp, 32
; RV32IZFINXZDINX-NEXT: ret
;
; RV64IZFINXZDINX-LABEL: fld_stack:
; RV64IZFINXZDINX: # %bb.0:
; RV64IZFINXZDINX-NEXT: addi sp, sp, -32
; RV64IZFINXZDINX-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64IZFINXZDINX-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64IZFINXZDINX-NEXT: mv s0, a0
; RV64IZFINXZDINX-NEXT: addi a0, sp, 8
; RV64IZFINXZDINX-NEXT: call notdead@plt
; RV64IZFINXZDINX-NEXT: ld a0, 8(sp)
; RV64IZFINXZDINX-NEXT: fadd.d a0, a0, s0
; RV64IZFINXZDINX-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64IZFINXZDINX-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; RV64IZFINXZDINX-NEXT: addi sp, sp, 32
; RV64IZFINXZDINX-NEXT: ret
%1 = alloca double, align 8
call void @notdead(ptr %1)
%2 = load double, ptr %1
%3 = fadd double %2, %a ; force load in to FPR64
ret double %3
}
define dso_local void @fsd_stack(double %a, double %b) nounwind {
; RV32IFD-LABEL: fsd_stack:
; RV32IFD: # %bb.0:
; RV32IFD-NEXT: addi sp, sp, -16
; RV32IFD-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IFD-NEXT: fadd.d fa5, fa0, fa1
; RV32IFD-NEXT: fsd fa5, 0(sp)
; RV32IFD-NEXT: mv a0, sp
; RV32IFD-NEXT: call notdead@plt
; RV32IFD-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IFD-NEXT: addi sp, sp, 16
; RV32IFD-NEXT: ret
;
; RV64IFD-LABEL: fsd_stack:
; RV64IFD: # %bb.0:
; RV64IFD-NEXT: addi sp, sp, -16
; RV64IFD-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64IFD-NEXT: fadd.d fa5, fa0, fa1
; RV64IFD-NEXT: fsd fa5, 0(sp)
; RV64IFD-NEXT: mv a0, sp
; RV64IFD-NEXT: call notdead@plt
; RV64IFD-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64IFD-NEXT: addi sp, sp, 16
; RV64IFD-NEXT: ret
;
; RV32IZFINXZDINX-LABEL: fsd_stack:
; RV32IZFINXZDINX: # %bb.0:
; RV32IZFINXZDINX-NEXT: addi sp, sp, -32
; RV32IZFINXZDINX-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
; RV32IZFINXZDINX-NEXT: sw a2, 8(sp)
; RV32IZFINXZDINX-NEXT: sw a3, 12(sp)
; RV32IZFINXZDINX-NEXT: lw a2, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a3, 12(sp)
; RV32IZFINXZDINX-NEXT: sw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: sw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: lw a0, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a1, 12(sp)
; RV32IZFINXZDINX-NEXT: fadd.d a0, a0, a2
; RV32IZFINXZDINX-NEXT: sw a0, 16(sp)
; RV32IZFINXZDINX-NEXT: sw a1, 20(sp)
; RV32IZFINXZDINX-NEXT: addi a0, sp, 16
; RV32IZFINXZDINX-NEXT: call notdead@plt
; RV32IZFINXZDINX-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
; RV32IZFINXZDINX-NEXT: addi sp, sp, 32
; RV32IZFINXZDINX-NEXT: ret
;
; RV64IZFINXZDINX-LABEL: fsd_stack:
; RV64IZFINXZDINX: # %bb.0:
; RV64IZFINXZDINX-NEXT: addi sp, sp, -16
; RV64IZFINXZDINX-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64IZFINXZDINX-NEXT: fadd.d a0, a0, a1
; RV64IZFINXZDINX-NEXT: sd a0, 0(sp)
; RV64IZFINXZDINX-NEXT: mv a0, sp
; RV64IZFINXZDINX-NEXT: call notdead@plt
; RV64IZFINXZDINX-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64IZFINXZDINX-NEXT: addi sp, sp, 16
; RV64IZFINXZDINX-NEXT: ret
%1 = fadd double %a, %b ; force store from FPR64
%2 = alloca double, align 8
store double %1, ptr %2
call void @notdead(ptr %2)
ret void
}
; Test selection of store<ST4[%a], trunc to f32>, ..
define dso_local void @fsd_trunc(ptr %a, double %b) nounwind noinline optnone {
; CHECKIFD-LABEL: fsd_trunc:
; CHECKIFD: # %bb.0:
; CHECKIFD-NEXT: fcvt.s.d fa5, fa0
; CHECKIFD-NEXT: fsw fa5, 0(a0)
; CHECKIFD-NEXT: ret
;
; RV32IZFINXZDINX-LABEL: fsd_trunc:
; RV32IZFINXZDINX: # %bb.0:
; RV32IZFINXZDINX-NEXT: addi sp, sp, -16
; RV32IZFINXZDINX-NEXT: sw a1, 8(sp)
; RV32IZFINXZDINX-NEXT: sw a2, 12(sp)
; RV32IZFINXZDINX-NEXT: lw a2, 8(sp)
; RV32IZFINXZDINX-NEXT: lw a3, 12(sp)
; RV32IZFINXZDINX-NEXT: fcvt.s.d a1, a2
; RV32IZFINXZDINX-NEXT: sw a1, 0(a0)
; RV32IZFINXZDINX-NEXT: addi sp, sp, 16
; RV32IZFINXZDINX-NEXT: ret
;
; RV64IZFINXZDINX-LABEL: fsd_trunc:
; RV64IZFINXZDINX: # %bb.0:
; RV64IZFINXZDINX-NEXT: fcvt.s.d a1, a1
; RV64IZFINXZDINX-NEXT: sw a1, 0(a0)
; RV64IZFINXZDINX-NEXT: ret
%1 = fptrunc double %b to float
store float %1, ptr %a, align 4
ret void
}
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