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)
11 ; RV32I-NEXT: addi sp, sp, -16
12 ; RV32I-NEXT: addi a0, sp, 16
13 ; RV32I-NEXT: call foo
14 ; RV32I-NEXT: mv a0, zero
15 ; RV32I-NEXT: addi sp, sp, 16
16 ; RV32I-NEXT: lw ra, 2028(sp)
17 ; RV32I-NEXT: addi sp, sp, 2032
20 %xx = alloca [2028 x i8], align 1
21 %0 = getelementptr inbounds [2028 x i8], [2028 x i8]* %xx, i32 0, i32 0
22 %call = call i32 @foo(i8* nonnull %0)
26 ; The stack size is 2032 and the SP adjustment will not be split.
27 define i32 @NoSplitSP() nounwind {
28 ; RV32I-LABEL: NoSplitSP:
29 ; RV32I: # %bb.0: # %entry
30 ; RV32I-NEXT: addi sp, sp, -2032
31 ; RV32I-NEXT: sw ra, 2028(sp)
32 ; RV32I-NEXT: addi a0, sp, 4
33 ; RV32I-NEXT: call foo
34 ; RV32I-NEXT: mv a0, zero
35 ; RV32I-NEXT: lw ra, 2028(sp)
36 ; RV32I-NEXT: addi sp, sp, 2032
39 %xx = alloca [2024 x i8], align 1
40 %0 = getelementptr inbounds [2024 x i8], [2024 x i8]* %xx, i32 0, i32 0
41 %call = call i32 @foo(i8* nonnull %0)