1; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s 2 3; When a function does a dynamic stack allocation, the function's stack size 4; is reported as UINT64_MAX. 5 6; CHECK-LABEL: .section .llvm_stackmaps 7; CHECK-NEXT: __LLVM_StackMaps: 8; Header 9; CHECK-NEXT: .byte 3 10; CHECK-NEXT: .byte 0 11; CHECK-NEXT: .hword 0 12; Num Functions 13; CHECK-NEXT: .word 1 14; Num LargeConstants 15; CHECK-NEXT: .word 0 16; Num Callsites 17; CHECK-NEXT: .word 1 18 19; Functions and stack size 20; CHECK-NEXT: .xword f 21; CHECK-NEXT: .xword -1 22 23define void @f(i32 %nelems) { 24entry: 25 %mem = alloca i32, i32 %nelems 26 call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0, ptr %mem) 27 ret void 28} 29 30declare void @llvm.experimental.stackmap(i64, i32, ...) 31