1; RUN: llc < %s -O1 -mtriple=x86_64-pc-win32 | FileCheck %s -check-prefix=ASM 2; RUN: llc < %s -O1 -mtriple=x86_64-pc-win32 -filetype=obj -o %t 3; RUN: llvm-readobj --unwind %t | FileCheck %s -check-prefix=READOBJ 4 5declare void @g(i32) 6 7define i32 @not_leaf(i32) uwtable { 8entry: 9 call void @g(i32 42) 10 ret i32 42 11 12; ASM-LABEL: not_leaf: 13; ASM: .seh 14 15; READOBJ: RuntimeFunction { 16; READOBJ-NEXT: StartAddress: not_leaf 17; READOBJ-NEXT: EndAddress: not_leaf 18} 19 20define void @leaf_func(i32) uwtable { 21entry: 22 tail call void @g(i32 42) 23 ret void 24 25; A Win64 "leaf" function gets no .seh directives in the asm. 26; ASM-LABEL: leaf_func: 27; ASM-NOT: .seh 28 29; and no unwind info in the object file. 30; READOBJ-NOT: leaf_func 31} 32 33define void @naked_func() naked { 34 call void asm sideeffect "ret", ""() 35 unreachable 36} 37; ASM-LABEL: naked_func: 38; ASM-NOT: .seh_ 39; ASM: ret 40; ASM-NOT: .seh_ 41