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1; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s2 3; When a function does a dynamic stack allocation, the function's stack size4; is reported as UINT64_MAX.5 6; CHECK-LABEL: .section .llvm_stackmaps7; CHECK-NEXT: __LLVM_StackMaps:8; Header9; CHECK-NEXT: .byte 310; CHECK-NEXT: .byte 011; CHECK-NEXT: .hword 012; Num Functions13; CHECK-NEXT: .word 114; Num LargeConstants15; CHECK-NEXT: .word 016; Num Callsites17; CHECK-NEXT: .word 118 19; Functions and stack size20; CHECK-NEXT: .xword f21; CHECK-NEXT: .xword -122 23define void @f(i32 %nelems) {24entry:25 %mem = alloca i32, i32 %nelems26 call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0, ptr %mem)27 ret void28}29 30declare void @llvm.experimental.stackmap(i64, i32, ...)31