large-stack.ll
2.4 KB
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; RUN: llc < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
@.str = private unnamed_addr constant [11 x i8] c"val = %ld\0A\00", align 1
; Function Attrs: noinline optnone
define dso_local void @set_large(i64 %val) #0 {
entry:
%val.addr = alloca i64, align 8
%large = alloca [268435456 x i64], align 8
%i = alloca i32, align 4
store i64 %val, i64* %val.addr, align 8
%0 = load i64, i64* %val.addr, align 8
%arrayidx = getelementptr inbounds [268435456 x i64], [268435456 x i64]* %large, i64 0, i64 %0
store i64 1, i64* %arrayidx, align 8
%1 = load i64, i64* %val.addr, align 8
%arrayidx1 = getelementptr inbounds [268435456 x i64], [268435456 x i64]* %large, i64 0, i64 %1
%2 = load i64, i64* %arrayidx1, align 8
%call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i64 %2)
ret void
}
declare dso_local i32 @printf(i8*, ...)
attributes #0 = { noinline optnone "frame-pointer"="all" }
; CHECK: stp x[[SPILL_REG1:[0-9]+]], x[[SPILL_REG2:[0-9]+]], [sp, #-[[SPILL_OFFSET1:[0-9]+]]]
; CHECK-NEXT: str x[[SPILL_REG3:[0-9]+]], [sp, #[[SPILL_OFFSET2:[0-9]+]]]
; CHECK-NEXT: mov x[[FRAME:[0-9]+]], sp
; CHECK-COUNT-128: sub sp, sp, #[[STACK1:[0-9]+]], lsl #12
; CHECK-NEXT: sub sp, sp, #[[STACK2:[0-9]+]], lsl #12
; CHECK-NEXT: sub sp, sp, #[[STACK3:[0-9]+]]
; CHECK: sub x[[INDEX:[0-9]+]], x[[FRAME]], #8
; CHECK-NEXT: str x0, [x[[INDEX]]]
; CHECK-NEXT: ldr x[[VAL1:[0-9]+]], [x[[INDEX]]]
; CHECK-NEXT: mov x[[VAL2:[0-9]+]], #8
; CHECK-NEXT: add x[[VAL3:[0-9]+]], sp, #8
; CHECK-NEXT: madd x[[VAL1]], x[[VAL1]], x[[VAL2]], x[[VAL3]]
; CHECK-NEXT: mov x[[TMP1:[0-9]+]], #1
; CHECK-NEXT: str x[[TMP1]], [x[[VAL1]]]
; CHECK-NEXT: ldr x[[INDEX]], [x[[INDEX]]]
; CHECK-NEXT: mov x[[VAL4:[0-9]+]], #8
; CHECK-NEXT: madd x[[INDEX]], x[[INDEX]], x[[VAL4]], x[[VAL3]]
; CHECK-NEXT: ldr x1, [x[[INDEX]]
; CHECK: bl printf
; CHECK-COUNT-128: add sp, sp, #[[STACK1]], lsl #12
; CHECK-NEXT: add sp, sp, #[[STACK2]], lsl #12
; CHECK-NEXT: add sp, sp, #[[STACK3]]
; CHECK-NEXT: ldr x[[SPILL_REG3]], [sp, #[[SPILL_OFFSET2]]]
; CHECK-NEXT: ldp x[[SPILL_REG1]], x[[SPILL_REG2]], [sp], #[[SPILL_OFFSET1]]