xref: /llvm-project/llvm/test/CodeGen/RISCV/rv64-large-stack.ll (revision eabaee0c59110d0e11b33a69db54ccda526b35fd)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s | FileCheck %s
3;
4; The test case check that RV64 could handle the stack adjustment offset exceed
5; 32-bit.
6
7define void @foo() nounwind {
8; CHECK-LABEL: foo:
9; CHECK:       # %bb.0: # %entry
10; CHECK-NEXT:    addi sp, sp, -2032
11; CHECK-NEXT:    sd ra, 2024(sp) # 8-byte Folded Spill
12; CHECK-NEXT:    lui a0, 390625
13; CHECK-NEXT:    slli a0, a0, 1
14; CHECK-NEXT:    addi a0, a0, -2000
15; CHECK-NEXT:    sub sp, sp, a0
16; CHECK-NEXT:    addi a0, sp, 16
17; CHECK-NEXT:    call baz
18; CHECK-NEXT:    lui a0, 390625
19; CHECK-NEXT:    slli a0, a0, 1
20; CHECK-NEXT:    addi a0, a0, -2000
21; CHECK-NEXT:    add sp, sp, a0
22; CHECK-NEXT:    ld ra, 2024(sp) # 8-byte Folded Reload
23; CHECK-NEXT:    addi sp, sp, 2032
24; CHECK-NEXT:    ret
25entry:
26  %w = alloca [100000000 x { fp128, fp128 }], align 16
27  %arraydecay = getelementptr inbounds [100000000 x { fp128, fp128 }], ptr %w, i64 0, i64 0
28  call void @baz(ptr nonnull %arraydecay)
29  ret void
30}
31
32declare void @baz(ptr)
33