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|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch64 --mattr=+d --target-abi=lp64d < %s \
; RUN: | FileCheck --check-prefix=LA64-FPELIM %s
; RUN: llc --mtriple=loongarch64 --mattr=+d --target-abi=lp64d < %s \
; RUN: --frame-pointer=all < %s \
; RUN: | FileCheck --check-prefix=LA64-WITHFP %s
declare void @llvm.va_start(ptr)
declare void @llvm.va_end(ptr)
declare void @notdead(ptr)
define i64 @va1(ptr %fmt, ...) {
; LA64-FPELIM-LABEL: va1:
; LA64-FPELIM: # %bb.0:
; LA64-FPELIM-NEXT: addi.d $sp, $sp, -80
; LA64-FPELIM-NEXT: .cfi_def_cfa_offset 80
; LA64-FPELIM-NEXT: move $a0, $a1
; LA64-FPELIM-NEXT: st.d $a7, $sp, 72
; LA64-FPELIM-NEXT: st.d $a6, $sp, 64
; LA64-FPELIM-NEXT: st.d $a5, $sp, 56
; LA64-FPELIM-NEXT: st.d $a4, $sp, 48
; LA64-FPELIM-NEXT: st.d $a3, $sp, 40
; LA64-FPELIM-NEXT: st.d $a2, $sp, 32
; LA64-FPELIM-NEXT: st.d $a1, $sp, 24
; LA64-FPELIM-NEXT: addi.d $a1, $sp, 32
; LA64-FPELIM-NEXT: st.d $a1, $sp, 8
; LA64-FPELIM-NEXT: addi.d $sp, $sp, 80
; LA64-FPELIM-NEXT: ret
;
; LA64-WITHFP-LABEL: va1:
; LA64-WITHFP: # %bb.0:
; LA64-WITHFP-NEXT: addi.d $sp, $sp, -96
; LA64-WITHFP-NEXT: .cfi_def_cfa_offset 96
; LA64-WITHFP-NEXT: st.d $ra, $sp, 24 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: st.d $fp, $sp, 16 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: .cfi_offset 1, -72
; LA64-WITHFP-NEXT: .cfi_offset 22, -80
; LA64-WITHFP-NEXT: addi.d $fp, $sp, 32
; LA64-WITHFP-NEXT: .cfi_def_cfa 22, 64
; LA64-WITHFP-NEXT: move $a0, $a1
; LA64-WITHFP-NEXT: st.d $a7, $fp, 56
; LA64-WITHFP-NEXT: st.d $a6, $fp, 48
; LA64-WITHFP-NEXT: st.d $a5, $fp, 40
; LA64-WITHFP-NEXT: st.d $a4, $fp, 32
; LA64-WITHFP-NEXT: st.d $a3, $fp, 24
; LA64-WITHFP-NEXT: st.d $a2, $fp, 16
; LA64-WITHFP-NEXT: st.d $a1, $fp, 8
; LA64-WITHFP-NEXT: addi.d $a1, $fp, 16
; LA64-WITHFP-NEXT: st.d $a1, $fp, -32
; LA64-WITHFP-NEXT: ld.d $fp, $sp, 16 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: ld.d $ra, $sp, 24 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: addi.d $sp, $sp, 96
; LA64-WITHFP-NEXT: ret
%va = alloca ptr, align 8
call void @llvm.va_start(ptr %va)
%argp.cur = load ptr, ptr %va, align 8
%argp.next = getelementptr inbounds i64, ptr %argp.cur, i32 1
store ptr %argp.next, ptr %va, align 8
%1 = load i64, ptr %argp.cur, align 8
call void @llvm.va_end(ptr %va)
ret i64 %1
}
define i64 @va1_va_arg(ptr %fmt, ...) nounwind {
; LA64-FPELIM-LABEL: va1_va_arg:
; LA64-FPELIM: # %bb.0:
; LA64-FPELIM-NEXT: addi.d $sp, $sp, -80
; LA64-FPELIM-NEXT: move $a0, $a1
; LA64-FPELIM-NEXT: st.d $a7, $sp, 72
; LA64-FPELIM-NEXT: st.d $a6, $sp, 64
; LA64-FPELIM-NEXT: st.d $a5, $sp, 56
; LA64-FPELIM-NEXT: st.d $a4, $sp, 48
; LA64-FPELIM-NEXT: st.d $a3, $sp, 40
; LA64-FPELIM-NEXT: st.d $a2, $sp, 32
; LA64-FPELIM-NEXT: st.d $a1, $sp, 24
; LA64-FPELIM-NEXT: addi.d $a1, $sp, 32
; LA64-FPELIM-NEXT: st.d $a1, $sp, 8
; LA64-FPELIM-NEXT: addi.d $sp, $sp, 80
; LA64-FPELIM-NEXT: ret
;
; LA64-WITHFP-LABEL: va1_va_arg:
; LA64-WITHFP: # %bb.0:
; LA64-WITHFP-NEXT: addi.d $sp, $sp, -96
; LA64-WITHFP-NEXT: st.d $ra, $sp, 24 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: st.d $fp, $sp, 16 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: addi.d $fp, $sp, 32
; LA64-WITHFP-NEXT: move $a0, $a1
; LA64-WITHFP-NEXT: st.d $a7, $fp, 56
; LA64-WITHFP-NEXT: st.d $a6, $fp, 48
; LA64-WITHFP-NEXT: st.d $a5, $fp, 40
; LA64-WITHFP-NEXT: st.d $a4, $fp, 32
; LA64-WITHFP-NEXT: st.d $a3, $fp, 24
; LA64-WITHFP-NEXT: st.d $a2, $fp, 16
; LA64-WITHFP-NEXT: st.d $a1, $fp, 8
; LA64-WITHFP-NEXT: addi.d $a1, $fp, 16
; LA64-WITHFP-NEXT: st.d $a1, $fp, -32
; LA64-WITHFP-NEXT: ld.d $fp, $sp, 16 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: ld.d $ra, $sp, 24 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: addi.d $sp, $sp, 96
; LA64-WITHFP-NEXT: ret
%va = alloca ptr, align 8
call void @llvm.va_start(ptr %va)
%1 = va_arg ptr %va, i64
call void @llvm.va_end(ptr %va)
ret i64 %1
}
;; Ensure the adjustment when restoring the stack pointer using the frame
;; pointer is correct
define i64 @va1_va_arg_alloca(ptr %fmt, ...) nounwind {
; LA64-FPELIM-LABEL: va1_va_arg_alloca:
; LA64-FPELIM: # %bb.0:
; LA64-FPELIM-NEXT: addi.d $sp, $sp, -112
; LA64-FPELIM-NEXT: st.d $ra, $sp, 40 # 8-byte Folded Spill
; LA64-FPELIM-NEXT: st.d $fp, $sp, 32 # 8-byte Folded Spill
; LA64-FPELIM-NEXT: st.d $s0, $sp, 24 # 8-byte Folded Spill
; LA64-FPELIM-NEXT: addi.d $fp, $sp, 48
; LA64-FPELIM-NEXT: move $s0, $a1
; LA64-FPELIM-NEXT: st.d $a7, $fp, 56
; LA64-FPELIM-NEXT: st.d $a6, $fp, 48
; LA64-FPELIM-NEXT: st.d $a5, $fp, 40
; LA64-FPELIM-NEXT: st.d $a4, $fp, 32
; LA64-FPELIM-NEXT: st.d $a3, $fp, 24
; LA64-FPELIM-NEXT: st.d $a2, $fp, 16
; LA64-FPELIM-NEXT: st.d $a1, $fp, 8
; LA64-FPELIM-NEXT: addi.d $a0, $fp, 16
; LA64-FPELIM-NEXT: st.d $a0, $fp, -40
; LA64-FPELIM-NEXT: addi.d $a0, $a1, 15
; LA64-FPELIM-NEXT: bstrins.d $a0, $zero, 3, 0
; LA64-FPELIM-NEXT: sub.d $a0, $sp, $a0
; LA64-FPELIM-NEXT: move $sp, $a0
; LA64-FPELIM-NEXT: pcaddu18i $ra, %call36(notdead)
; LA64-FPELIM-NEXT: jirl $ra, $ra, 0
; LA64-FPELIM-NEXT: move $a0, $s0
; LA64-FPELIM-NEXT: addi.d $sp, $fp, -48
; LA64-FPELIM-NEXT: ld.d $s0, $sp, 24 # 8-byte Folded Reload
; LA64-FPELIM-NEXT: ld.d $fp, $sp, 32 # 8-byte Folded Reload
; LA64-FPELIM-NEXT: ld.d $ra, $sp, 40 # 8-byte Folded Reload
; LA64-FPELIM-NEXT: addi.d $sp, $sp, 112
; LA64-FPELIM-NEXT: ret
;
; LA64-WITHFP-LABEL: va1_va_arg_alloca:
; LA64-WITHFP: # %bb.0:
; LA64-WITHFP-NEXT: addi.d $sp, $sp, -112
; LA64-WITHFP-NEXT: st.d $ra, $sp, 40 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: st.d $fp, $sp, 32 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: st.d $s0, $sp, 24 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: addi.d $fp, $sp, 48
; LA64-WITHFP-NEXT: move $s0, $a1
; LA64-WITHFP-NEXT: st.d $a7, $fp, 56
; LA64-WITHFP-NEXT: st.d $a6, $fp, 48
; LA64-WITHFP-NEXT: st.d $a5, $fp, 40
; LA64-WITHFP-NEXT: st.d $a4, $fp, 32
; LA64-WITHFP-NEXT: st.d $a3, $fp, 24
; LA64-WITHFP-NEXT: st.d $a2, $fp, 16
; LA64-WITHFP-NEXT: st.d $a1, $fp, 8
; LA64-WITHFP-NEXT: addi.d $a0, $fp, 16
; LA64-WITHFP-NEXT: st.d $a0, $fp, -40
; LA64-WITHFP-NEXT: addi.d $a0, $a1, 15
; LA64-WITHFP-NEXT: bstrins.d $a0, $zero, 3, 0
; LA64-WITHFP-NEXT: sub.d $a0, $sp, $a0
; LA64-WITHFP-NEXT: move $sp, $a0
; LA64-WITHFP-NEXT: pcaddu18i $ra, %call36(notdead)
; LA64-WITHFP-NEXT: jirl $ra, $ra, 0
; LA64-WITHFP-NEXT: move $a0, $s0
; LA64-WITHFP-NEXT: addi.d $sp, $fp, -48
; LA64-WITHFP-NEXT: ld.d $s0, $sp, 24 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: ld.d $fp, $sp, 32 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: ld.d $ra, $sp, 40 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: addi.d $sp, $sp, 112
; LA64-WITHFP-NEXT: ret
%va = alloca ptr, align 8
call void @llvm.va_start(ptr %va)
%1 = va_arg ptr %va, i64
%2 = alloca i8, i64 %1
call void @notdead(ptr %2)
call void @llvm.va_end(ptr %va)
ret i64 %1
}
define void @va1_caller() nounwind {
; LA64-FPELIM-LABEL: va1_caller:
; LA64-FPELIM: # %bb.0:
; LA64-FPELIM-NEXT: addi.d $sp, $sp, -16
; LA64-FPELIM-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
; LA64-FPELIM-NEXT: lu52i.d $a1, $zero, 1023
; LA64-FPELIM-NEXT: ori $a2, $zero, 2
; LA64-FPELIM-NEXT: pcaddu18i $ra, %call36(va1)
; LA64-FPELIM-NEXT: jirl $ra, $ra, 0
; LA64-FPELIM-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
; LA64-FPELIM-NEXT: addi.d $sp, $sp, 16
; LA64-FPELIM-NEXT: ret
;
; LA64-WITHFP-LABEL: va1_caller:
; LA64-WITHFP: # %bb.0:
; LA64-WITHFP-NEXT: addi.d $sp, $sp, -16
; LA64-WITHFP-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: st.d $fp, $sp, 0 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: addi.d $fp, $sp, 16
; LA64-WITHFP-NEXT: lu52i.d $a1, $zero, 1023
; LA64-WITHFP-NEXT: ori $a2, $zero, 2
; LA64-WITHFP-NEXT: pcaddu18i $ra, %call36(va1)
; LA64-WITHFP-NEXT: jirl $ra, $ra, 0
; LA64-WITHFP-NEXT: ld.d $fp, $sp, 0 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: addi.d $sp, $sp, 16
; LA64-WITHFP-NEXT: ret
%1 = call i64 (ptr, ...) @va1(ptr undef, double 1.0, i64 2)
ret void
}
;; Ensure a named 2*GRLen argument is passed in a1 and a2, while the
;; vararg long double is passed in a4 and a5 (rather than a3 and a4)
declare i64 @va_aligned_register(i64 %a, i128 %b, ...)
define void @va_aligned_register_caller() nounwind {
; LA64-FPELIM-LABEL: va_aligned_register_caller:
; LA64-FPELIM: # %bb.0:
; LA64-FPELIM-NEXT: addi.d $sp, $sp, -16
; LA64-FPELIM-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
; LA64-FPELIM-NEXT: lu12i.w $a0, 335544
; LA64-FPELIM-NEXT: ori $a0, $a0, 1311
; LA64-FPELIM-NEXT: lu32i.d $a0, 335544
; LA64-FPELIM-NEXT: lu52i.d $a4, $a0, -328
; LA64-FPELIM-NEXT: lu12i.w $a0, -503317
; LA64-FPELIM-NEXT: ori $a0, $a0, 2129
; LA64-FPELIM-NEXT: lu32i.d $a0, 37355
; LA64-FPELIM-NEXT: lu52i.d $a5, $a0, 1024
; LA64-FPELIM-NEXT: ori $a0, $zero, 2
; LA64-FPELIM-NEXT: ori $a1, $zero, 1111
; LA64-FPELIM-NEXT: move $a2, $zero
; LA64-FPELIM-NEXT: pcaddu18i $ra, %call36(va_aligned_register)
; LA64-FPELIM-NEXT: jirl $ra, $ra, 0
; LA64-FPELIM-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
; LA64-FPELIM-NEXT: addi.d $sp, $sp, 16
; LA64-FPELIM-NEXT: ret
;
; LA64-WITHFP-LABEL: va_aligned_register_caller:
; LA64-WITHFP: # %bb.0:
; LA64-WITHFP-NEXT: addi.d $sp, $sp, -16
; LA64-WITHFP-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: st.d $fp, $sp, 0 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: addi.d $fp, $sp, 16
; LA64-WITHFP-NEXT: lu12i.w $a0, 335544
; LA64-WITHFP-NEXT: ori $a0, $a0, 1311
; LA64-WITHFP-NEXT: lu32i.d $a0, 335544
; LA64-WITHFP-NEXT: lu52i.d $a4, $a0, -328
; LA64-WITHFP-NEXT: lu12i.w $a0, -503317
; LA64-WITHFP-NEXT: ori $a0, $a0, 2129
; LA64-WITHFP-NEXT: lu32i.d $a0, 37355
; LA64-WITHFP-NEXT: lu52i.d $a5, $a0, 1024
; LA64-WITHFP-NEXT: ori $a0, $zero, 2
; LA64-WITHFP-NEXT: ori $a1, $zero, 1111
; LA64-WITHFP-NEXT: move $a2, $zero
; LA64-WITHFP-NEXT: pcaddu18i $ra, %call36(va_aligned_register)
; LA64-WITHFP-NEXT: jirl $ra, $ra, 0
; LA64-WITHFP-NEXT: ld.d $fp, $sp, 0 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: addi.d $sp, $sp, 16
; LA64-WITHFP-NEXT: ret
%1 = call i64 (i64, i128, ...) @va_aligned_register(i64 2, i128 1111,
fp128 0xLEB851EB851EB851F400091EB851EB851)
ret void
}
;; Check 2*GRLen values are aligned appropriately when passed on the stack
;; in a vararg call
declare i32 @va_aligned_stack_callee(i32, ...)
define void @va_aligned_stack_caller() nounwind {
; LA64-FPELIM-LABEL: va_aligned_stack_caller:
; LA64-FPELIM: # %bb.0:
; LA64-FPELIM-NEXT: addi.d $sp, $sp, -112
; LA64-FPELIM-NEXT: st.d $ra, $sp, 104 # 8-byte Folded Spill
; LA64-FPELIM-NEXT: ori $a0, $zero, 17
; LA64-FPELIM-NEXT: st.d $a0, $sp, 48
; LA64-FPELIM-NEXT: ori $a0, $zero, 16
; LA64-FPELIM-NEXT: st.d $a0, $sp, 40
; LA64-FPELIM-NEXT: ori $a0, $zero, 15
; LA64-FPELIM-NEXT: st.d $a0, $sp, 32
; LA64-FPELIM-NEXT: ori $a0, $zero, 14
; LA64-FPELIM-NEXT: st.d $a0, $sp, 0
; LA64-FPELIM-NEXT: lu12i.w $a0, -503317
; LA64-FPELIM-NEXT: ori $a0, $a0, 2129
; LA64-FPELIM-NEXT: lu32i.d $a0, 37355
; LA64-FPELIM-NEXT: lu52i.d $a0, $a0, 1024
; LA64-FPELIM-NEXT: st.d $a0, $sp, 24
; LA64-FPELIM-NEXT: lu12i.w $a0, 335544
; LA64-FPELIM-NEXT: ori $a0, $a0, 1311
; LA64-FPELIM-NEXT: lu32i.d $a0, 335544
; LA64-FPELIM-NEXT: lu52i.d $a0, $a0, -328
; LA64-FPELIM-NEXT: st.d $a0, $sp, 16
; LA64-FPELIM-NEXT: st.d $zero, $sp, 88
; LA64-FPELIM-NEXT: vrepli.b $vr0, 0
; LA64-FPELIM-NEXT: vst $vr0, $sp, 72
; LA64-FPELIM-NEXT: ori $a5, $zero, 1000
; LA64-FPELIM-NEXT: ori $a0, $zero, 1
; LA64-FPELIM-NEXT: ori $a1, $zero, 11
; LA64-FPELIM-NEXT: addi.d $a2, $sp, 64
; LA64-FPELIM-NEXT: ori $a3, $zero, 12
; LA64-FPELIM-NEXT: ori $a4, $zero, 13
; LA64-FPELIM-NEXT: ori $a7, $zero, 1
; LA64-FPELIM-NEXT: st.d $a5, $sp, 64
; LA64-FPELIM-NEXT: move $a6, $zero
; LA64-FPELIM-NEXT: pcaddu18i $ra, %call36(va_aligned_stack_callee)
; LA64-FPELIM-NEXT: jirl $ra, $ra, 0
; LA64-FPELIM-NEXT: ld.d $ra, $sp, 104 # 8-byte Folded Reload
; LA64-FPELIM-NEXT: addi.d $sp, $sp, 112
; LA64-FPELIM-NEXT: ret
;
; LA64-WITHFP-LABEL: va_aligned_stack_caller:
; LA64-WITHFP: # %bb.0:
; LA64-WITHFP-NEXT: addi.d $sp, $sp, -128
; LA64-WITHFP-NEXT: st.d $ra, $sp, 120 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: st.d $fp, $sp, 112 # 8-byte Folded Spill
; LA64-WITHFP-NEXT: addi.d $fp, $sp, 128
; LA64-WITHFP-NEXT: ori $a0, $zero, 17
; LA64-WITHFP-NEXT: st.d $a0, $sp, 48
; LA64-WITHFP-NEXT: ori $a0, $zero, 16
; LA64-WITHFP-NEXT: st.d $a0, $sp, 40
; LA64-WITHFP-NEXT: ori $a0, $zero, 15
; LA64-WITHFP-NEXT: st.d $a0, $sp, 32
; LA64-WITHFP-NEXT: ori $a0, $zero, 14
; LA64-WITHFP-NEXT: st.d $a0, $sp, 0
; LA64-WITHFP-NEXT: lu12i.w $a0, -503317
; LA64-WITHFP-NEXT: ori $a0, $a0, 2129
; LA64-WITHFP-NEXT: lu32i.d $a0, 37355
; LA64-WITHFP-NEXT: lu52i.d $a0, $a0, 1024
; LA64-WITHFP-NEXT: st.d $a0, $sp, 24
; LA64-WITHFP-NEXT: lu12i.w $a0, 335544
; LA64-WITHFP-NEXT: ori $a0, $a0, 1311
; LA64-WITHFP-NEXT: lu32i.d $a0, 335544
; LA64-WITHFP-NEXT: lu52i.d $a0, $a0, -328
; LA64-WITHFP-NEXT: st.d $a0, $sp, 16
; LA64-WITHFP-NEXT: st.d $zero, $fp, -40
; LA64-WITHFP-NEXT: vrepli.b $vr0, 0
; LA64-WITHFP-NEXT: vst $vr0, $fp, -56
; LA64-WITHFP-NEXT: ori $a5, $zero, 1000
; LA64-WITHFP-NEXT: ori $a0, $zero, 1
; LA64-WITHFP-NEXT: ori $a1, $zero, 11
; LA64-WITHFP-NEXT: addi.d $a2, $fp, -64
; LA64-WITHFP-NEXT: ori $a3, $zero, 12
; LA64-WITHFP-NEXT: ori $a4, $zero, 13
; LA64-WITHFP-NEXT: ori $a7, $zero, 1
; LA64-WITHFP-NEXT: st.d $a5, $fp, -64
; LA64-WITHFP-NEXT: move $a6, $zero
; LA64-WITHFP-NEXT: pcaddu18i $ra, %call36(va_aligned_stack_callee)
; LA64-WITHFP-NEXT: jirl $ra, $ra, 0
; LA64-WITHFP-NEXT: ld.d $fp, $sp, 112 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: ld.d $ra, $sp, 120 # 8-byte Folded Reload
; LA64-WITHFP-NEXT: addi.d $sp, $sp, 128
; LA64-WITHFP-NEXT: ret
%1 = call i32 (i32, ...) @va_aligned_stack_callee(i32 1, i32 11,
i256 1000, i32 12, i32 13, i128 18446744073709551616, i32 14,
fp128 0xLEB851EB851EB851F400091EB851EB851, i64 15,
[2 x i64] [i64 16, i64 17])
ret void
}
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