1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
3 ; RUN: | FileCheck %s -check-prefix=RV32I
5 ; The stack size is 2048 and the SP adjustment will be split.
6 define i32 @SplitSP() nounwind {
7 ; RV32I-LABEL: SplitSP:
8 ; RV32I: # %bb.0: # %entry
9 ; RV32I-NEXT: addi sp, sp, -2032
10 ; RV32I-NEXT: sw ra, 2028(sp) # 4-byte Folded Spill
11 ; RV32I-NEXT: addi sp, sp, -16
12 ; RV32I-NEXT: addi a0, sp, 16
13 ; RV32I-NEXT: call foo
14 ; RV32I-NEXT: li a0, 0
15 ; RV32I-NEXT: addi sp, sp, 16
16 ; RV32I-NEXT: lw ra, 2028(sp) # 4-byte Folded Reload
17 ; RV32I-NEXT: addi sp, sp, 2032
20 %xx = alloca [2028 x i8], align 1
21 %call = call i32 @foo(ptr nonnull %xx)
25 ; The stack size is 2032 and the SP adjustment will not be split.
26 define i32 @NoSplitSP() nounwind {
27 ; RV32I-LABEL: NoSplitSP:
28 ; RV32I: # %bb.0: # %entry
29 ; RV32I-NEXT: addi sp, sp, -2032
30 ; RV32I-NEXT: sw ra, 2028(sp) # 4-byte Folded Spill
31 ; RV32I-NEXT: addi a0, sp, 4
32 ; RV32I-NEXT: call foo
33 ; RV32I-NEXT: li a0, 0
34 ; RV32I-NEXT: lw ra, 2028(sp) # 4-byte Folded Reload
35 ; RV32I-NEXT: addi sp, sp, 2032
38 %xx = alloca [2024 x i8], align 1
39 %call = call i32 @foo(ptr nonnull %xx)