; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s %struct.key_t = type { i32, [16 x i8] } declare void @llvm.memset.p0i8.i64(ptr, i8, i64, i1) declare void @test1(ptr) define i32 @test() nounwind { ; CHECK-LABEL: test: ; CHECK: # %bb.0: ; CHECK-NEXT: addi.d $sp, $sp, -32 ; CHECK-NEXT: st.d $ra, $sp, 24 # 8-byte Folded Spill ; CHECK-NEXT: st.w $zero, $sp, 16 ; CHECK-NEXT: st.d $zero, $sp, 8 ; CHECK-NEXT: st.d $zero, $sp, 0 ; CHECK-NEXT: addi.d $a0, $sp, 4 ; CHECK-NEXT: bl %plt(test1) ; CHECK-NEXT: move $a0, $zero ; CHECK-NEXT: ld.d $ra, $sp, 24 # 8-byte Folded Reload ; CHECK-NEXT: addi.d $sp, $sp, 32 ; CHECK-NEXT: ret %key = alloca %struct.key_t, align 4 call void @llvm.memset.p0i8.i64(ptr %key, i8 0, i64 20, i1 false) %1 = getelementptr inbounds %struct.key_t, ptr %key, i64 0, i32 1, i64 0 call void @test1(ptr %1) ret i32 0 } ;; Note: will create an emergency spill slot, if (!isInt<11>(StackSize)). ;; Should involve only one SP-adjusting addi per adjustment. define void @test_large_frame_size_2032() { ; CHECK-LABEL: test_large_frame_size_2032: ; CHECK: # %bb.0: ; CHECK-NEXT: addi.d $sp, $sp, -2032 ; CHECK-NEXT: .cfi_def_cfa_offset 2032 ; CHECK-NEXT: addi.d $sp, $sp, 2032 ; CHECK-NEXT: ret %1 = alloca i8, i32 2016 ; + 16(emergency slot) = 2032 ret void } ;; Should involve two SP-adjusting addi's when adjusting SP up, but only one ;; when adjusting down. define void @test_large_frame_size_2048() { ; CHECK-LABEL: test_large_frame_size_2048: ; CHECK: # %bb.0: ; CHECK-NEXT: addi.d $sp, $sp, -2048 ; CHECK-NEXT: .cfi_def_cfa_offset 2048 ; CHECK-NEXT: addi.d $sp, $sp, 2032 ; CHECK-NEXT: addi.d $sp, $sp, 16 ; CHECK-NEXT: ret %1 = alloca i8, i32 2032 ; + 16(emergency slot) = 2048 ret void } ;; Should involve two SP-adjusting addi's per adjustment. define void @test_large_frame_size_2064() { ; CHECK-LABEL: test_large_frame_size_2064: ; CHECK: # %bb.0: ; CHECK-NEXT: addi.d $sp, $sp, -2048 ; CHECK-NEXT: addi.d $sp, $sp, -16 ; CHECK-NEXT: .cfi_def_cfa_offset 2064 ; CHECK-NEXT: addi.d $sp, $sp, 2032 ; CHECK-NEXT: addi.d $sp, $sp, 32 ; CHECK-NEXT: ret %1 = alloca i8, i32 2048 ; + 16(emergency slot) = 2064 ret void } ;; NOTE: Due to the problem with the emegency spill slot, the scratch register ;; will not be used when the fp is eliminated. To make this test valid, add the ;; attribute "frame-pointer=all". ;; SP should be adjusted with help of a scratch register. define void @test_large_frame_size_1234576() "frame-pointer"="all" { ; CHECK-LABEL: test_large_frame_size_1234576: ; CHECK: # %bb.0: ; CHECK-NEXT: addi.d $sp, $sp, -2032 ; CHECK-NEXT: .cfi_def_cfa_offset 2032 ; CHECK-NEXT: st.d $ra, $sp, 2024 # 8-byte Folded Spill ; CHECK-NEXT: st.d $fp, $sp, 2016 # 8-byte Folded Spill ; CHECK-NEXT: .cfi_offset 1, -8 ; CHECK-NEXT: .cfi_offset 22, -16 ; CHECK-NEXT: addi.d $fp, $sp, 2032 ; CHECK-NEXT: .cfi_def_cfa 22, 0 ; CHECK-NEXT: lu12i.w $a0, 300 ; CHECK-NEXT: ori $a0, $a0, 3760 ; CHECK-NEXT: sub.d $sp, $sp, $a0 ; CHECK-NEXT: lu12i.w $a0, 300 ; CHECK-NEXT: ori $a0, $a0, 3760 ; CHECK-NEXT: add.d $sp, $sp, $a0 ; CHECK-NEXT: ld.d $fp, $sp, 2016 # 8-byte Folded Reload ; CHECK-NEXT: ld.d $ra, $sp, 2024 # 8-byte Folded Reload ; CHECK-NEXT: addi.d $sp, $sp, 2032 ; CHECK-NEXT: ret %1 = alloca i8, i32 1234567 ret void }