xref: /llvm-project/llvm/test/CodeGen/AArch64/large-stack.ll (revision 5ddce70ef0e5a641d7fea95e31fc5e2439cb98cb)
1; RUN: llc < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
2
3@.str = private unnamed_addr constant [11 x i8] c"val = %ld\0A\00", align 1
4
5; Function Attrs: noinline optnone
6define dso_local void @set_large(i64 %val) #0 {
7entry:
8  %val.addr = alloca i64, align 8
9  %large = alloca [268435456 x i64], align 8
10  %i = alloca i32, align 4
11  store i64 %val, ptr %val.addr, align 8
12  %0 = load i64, ptr %val.addr, align 8
13  %arrayidx = getelementptr inbounds [268435456 x i64], ptr %large, i64 0, i64 %0
14  store i64 1, ptr %arrayidx, align 8
15  %1 = load i64, ptr %val.addr, align 8
16  %arrayidx1 = getelementptr inbounds [268435456 x i64], ptr %large, i64 0, i64 %1
17  %2 = load i64, ptr %arrayidx1, align 8
18  %call = call i32 (ptr, ...) @printf(ptr @.str, i64 %2)
19  ret void
20}
21
22declare dso_local i32 @printf(ptr, ...)
23
24attributes #0 = { noinline optnone "frame-pointer"="all" uwtable }
25
26; CHECK:                  stp	x[[SPILL_REG1:[0-9]+]], x[[SPILL_REG2:[0-9]+]], [sp, #-[[SPILL_OFFSET1:[0-9]+]]]
27; CHECK-NEXT:             .cfi_def_cfa_offset [[SPILL_OFFSET1]]
28; CHECK-NEXT:             str	x[[SPILL_REG3:[0-9]+]], [sp, #[[SPILL_OFFSET2:[0-9]+]]]
29; CHECK-NEXT:             mov	x[[FRAME:[0-9]+]], sp
30; CHECK-NEXT:             .cfi_def_cfa w[[FRAME]], [[SPILL_OFFSET1]]
31; CHECK-COUNT-128:        sub	sp, sp, #[[STACK1:[0-9]+]], lsl #12
32; CHECK-NEXT:             sub	sp, sp, #[[STACK2:[0-9]+]], lsl #12
33; CHECK-NEXT:             sub	sp, sp, #[[STACK3:[0-9]+]]
34; CHECK:                  sub	x[[INDEX:[0-9]+]], x[[FRAME]], #8
35; CHECK-NEXT:             str	x0, [x[[INDEX]]]
36; CHECK-NEXT:             ldr	x[[VAL1:[0-9]+]], [x[[INDEX]]]
37; CHECK-NEXT:             add	x[[VAL3:[0-9]+]], sp, #8
38; CHECK-NEXT:             mov	x[[VAL2:[0-9]+]], #8
39; CHECK-NEXT:             madd	x[[VAL1]], x[[VAL1]], x[[VAL2]], x[[VAL3]]
40; CHECK-NEXT:             mov	x[[TMP1:[0-9]+]], #1
41; CHECK-NEXT:             str	x[[TMP1]], [x[[VAL1]]]
42; CHECK-NEXT:             ldr	x[[INDEX]], [x[[INDEX]]]
43; CHECK-NEXT:             add   x[[VAL3:[0-9]+]], sp, #8
44; CHECK-NEXT:             mov	x[[VAL4:[0-9]+]], #8
45; CHECK-NEXT:             madd	x[[INDEX]], x[[INDEX]], x[[VAL4]], x[[VAL3]]
46; CHECK-NEXT:             ldr	x1, [x[[INDEX]]
47; CHECK:                  bl	printf
48; CHECK-COUNT-128:        add	sp, sp, #[[STACK1]], lsl #12
49; CHECK-NEXT:             add	sp, sp, #[[STACK2]], lsl #12
50; CHECK-NEXT:             add	sp, sp, #[[STACK3]]
51; CHECK-NEXT:	            .cfi_def_cfa wsp, [[SPILL_OFFSET1]]
52; CHECK-NEXT:             ldr	x[[SPILL_REG3]], [sp, #[[SPILL_OFFSET2]]]
53; CHECK-NEXT:             ldp	x[[SPILL_REG1]], x[[SPILL_REG2]], [sp], #[[SPILL_OFFSET1]]
54; CHECK-NEXT:           	.cfi_def_cfa_offset 0
55; CHECK-NEXT:           	.cfi_restore w[[SPILL_REG3]]
56; CHECK-NEXT:           	.cfi_restore w[[SPILL_REG2]]
57; CHECK-NEXT:           	.cfi_restore w[[SPILL_REG1]]
58