File: rv64-large-stack.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (32 lines) | stat: -rw-r--r-- 1,083 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s | FileCheck %s
;
; The test case check that RV64 could handle the stack adjustment offset exceed
; 32-bit.

define void @foo() nounwind {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    addi sp, sp, -2032
; CHECK-NEXT:    sd ra, 2024(sp) # 8-byte Folded Spill
; CHECK-NEXT:    lui a0, 390625
; CHECK-NEXT:    slli a0, a0, 1
; CHECK-NEXT:    addi a0, a0, -2000
; CHECK-NEXT:    sub sp, sp, a0
; CHECK-NEXT:    addi a0, sp, 16
; CHECK-NEXT:    call baz
; CHECK-NEXT:    lui a0, 390625
; CHECK-NEXT:    slli a0, a0, 1
; CHECK-NEXT:    addi a0, a0, -2000
; CHECK-NEXT:    add sp, sp, a0
; CHECK-NEXT:    ld ra, 2024(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 2032
; CHECK-NEXT:    ret
entry:
  %w = alloca [100000000 x { fp128, fp128 }], align 16
  %arraydecay = getelementptr inbounds [100000000 x { fp128, fp128 }], ptr %w, i64 0, i64 0
  call void @baz(ptr nonnull %arraydecay)
  ret void
}

declare void @baz(ptr)