1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc --mtriple=loongarch64 -mattr=+d --verify-machineinstrs < %s \ 3; RUN: | FileCheck %s 4 5;; The stack size is 2048 and the SP adjustment will be split. 6define i32 @SplitSP() nounwind { 7; CHECK-LABEL: SplitSP: 8; CHECK: # %bb.0: # %entry 9; CHECK-NEXT: addi.d $sp, $sp, -2032 10; CHECK-NEXT: st.d $ra, $sp, 2024 # 8-byte Folded Spill 11; CHECK-NEXT: addi.d $sp, $sp, -16 12; CHECK-NEXT: addi.d $a0, $sp, 12 13; CHECK-NEXT: bl %plt(foo) 14; CHECK-NEXT: move $a0, $zero 15; CHECK-NEXT: addi.d $sp, $sp, 16 16; CHECK-NEXT: ld.d $ra, $sp, 2024 # 8-byte Folded Reload 17; CHECK-NEXT: addi.d $sp, $sp, 2032 18; CHECK-NEXT: ret 19entry: 20 %xx = alloca [2028 x i8], align 1 21 %0 = getelementptr inbounds [2028 x i8], ptr %xx, i32 0, i32 0 22 %call = call i32 @foo(ptr nonnull %0) 23 ret i32 0 24} 25 26;; The stack size is 2032 and the SP adjustment will not be split. 27;; 2016 + 8(RA) + 8(emergency spill slot) = 2032 28define i32 @NoSplitSP() nounwind { 29; CHECK-LABEL: NoSplitSP: 30; CHECK: # %bb.0: # %entry 31; CHECK-NEXT: addi.d $sp, $sp, -2032 32; CHECK-NEXT: st.d $ra, $sp, 2024 # 8-byte Folded Spill 33; CHECK-NEXT: addi.d $a0, $sp, 8 34; CHECK-NEXT: bl %plt(foo) 35; CHECK-NEXT: move $a0, $zero 36; CHECK-NEXT: ld.d $ra, $sp, 2024 # 8-byte Folded Reload 37; CHECK-NEXT: addi.d $sp, $sp, 2032 38; CHECK-NEXT: ret 39entry: 40 %xx = alloca [2016 x i8], align 1 41 %0 = getelementptr inbounds [2024 x i8], ptr %xx, i32 0, i32 0 42 %call = call i32 @foo(ptr nonnull %0) 43 ret i32 0 44} 45 46declare i32 @foo(ptr) 47