llvm-project/llvm/test/CodeGen/Mips/naked-fn-with-frame-pointer.ll
Alex Rønne Petersen ad4a582fd9
[llvm] Consistently respect naked fn attribute in TargetFrameLowering::hasFP() (#106014)
Some targets (e.g. PPC and Hexagon) already did this. I think it's best
to do this consistently so that frontend authors don't run into
inconsistent results when they emit `naked` functions. For example, in
Zig, we had to change our emit code to also set `frame-pointer=none` to
get reliable results across targets.

Note: I don't have commit access.
2024-10-18 09:35:42 +04:00

88 lines
3.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple mips | FileCheck %s -check-prefixes=CHECK-32-BE
; RUN: llc < %s -mtriple mipsel | FileCheck %s -check-prefixes=CHECK-32-LE
; RUN: llc < %s -mtriple mips64 | FileCheck %s -check-prefixes=CHECK-64-BE
; RUN: llc < %s -mtriple mips64el | FileCheck %s -check-prefixes=CHECK-64-LE
declare dso_local void @main()
define dso_local void @naked() naked "frame-pointer"="all" {
; CHECK-32-BE-LABEL: naked:
; CHECK-32-BE: # %bb.0:
; CHECK-32-BE-NEXT: jal main
; CHECK-32-BE-NEXT: nop
;
; CHECK-32-LE-LABEL: naked:
; CHECK-32-LE: # %bb.0:
; CHECK-32-LE-NEXT: jal main
; CHECK-32-LE-NEXT: nop
;
; CHECK-64-BE-LABEL: naked:
; CHECK-64-BE: # %bb.0:
; CHECK-64-BE-NEXT: jal main
; CHECK-64-BE-NEXT: nop
;
; CHECK-64-LE-LABEL: naked:
; CHECK-64-LE: # %bb.0:
; CHECK-64-LE-NEXT: jal main
; CHECK-64-LE-NEXT: nop
call void @main()
unreachable
}
define dso_local void @normal() "frame-pointer"="all" {
; CHECK-32-BE-LABEL: normal:
; CHECK-32-BE: # %bb.0:
; CHECK-32-BE-NEXT: addiu $sp, $sp, -24
; CHECK-32-BE-NEXT: .cfi_def_cfa_offset 24
; CHECK-32-BE-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
; CHECK-32-BE-NEXT: sw $fp, 16($sp) # 4-byte Folded Spill
; CHECK-32-BE-NEXT: .cfi_offset 31, -4
; CHECK-32-BE-NEXT: .cfi_offset 30, -8
; CHECK-32-BE-NEXT: move $fp, $sp
; CHECK-32-BE-NEXT: .cfi_def_cfa_register 30
; CHECK-32-BE-NEXT: jal main
; CHECK-32-BE-NEXT: nop
;
; CHECK-32-LE-LABEL: normal:
; CHECK-32-LE: # %bb.0:
; CHECK-32-LE-NEXT: addiu $sp, $sp, -24
; CHECK-32-LE-NEXT: .cfi_def_cfa_offset 24
; CHECK-32-LE-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
; CHECK-32-LE-NEXT: sw $fp, 16($sp) # 4-byte Folded Spill
; CHECK-32-LE-NEXT: .cfi_offset 31, -4
; CHECK-32-LE-NEXT: .cfi_offset 30, -8
; CHECK-32-LE-NEXT: move $fp, $sp
; CHECK-32-LE-NEXT: .cfi_def_cfa_register 30
; CHECK-32-LE-NEXT: jal main
; CHECK-32-LE-NEXT: nop
;
; CHECK-64-BE-LABEL: normal:
; CHECK-64-BE: # %bb.0:
; CHECK-64-BE-NEXT: daddiu $sp, $sp, -16
; CHECK-64-BE-NEXT: .cfi_def_cfa_offset 16
; CHECK-64-BE-NEXT: sd $ra, 8($sp) # 8-byte Folded Spill
; CHECK-64-BE-NEXT: sd $fp, 0($sp) # 8-byte Folded Spill
; CHECK-64-BE-NEXT: .cfi_offset 31, -8
; CHECK-64-BE-NEXT: .cfi_offset 30, -16
; CHECK-64-BE-NEXT: move $fp, $sp
; CHECK-64-BE-NEXT: .cfi_def_cfa_register 30
; CHECK-64-BE-NEXT: jal main
; CHECK-64-BE-NEXT: nop
;
; CHECK-64-LE-LABEL: normal:
; CHECK-64-LE: # %bb.0:
; CHECK-64-LE-NEXT: daddiu $sp, $sp, -16
; CHECK-64-LE-NEXT: .cfi_def_cfa_offset 16
; CHECK-64-LE-NEXT: sd $ra, 8($sp) # 8-byte Folded Spill
; CHECK-64-LE-NEXT: sd $fp, 0($sp) # 8-byte Folded Spill
; CHECK-64-LE-NEXT: .cfi_offset 31, -8
; CHECK-64-LE-NEXT: .cfi_offset 30, -16
; CHECK-64-LE-NEXT: move $fp, $sp
; CHECK-64-LE-NEXT: .cfi_def_cfa_register 30
; CHECK-64-LE-NEXT: jal main
; CHECK-64-LE-NEXT: nop
call void @main()
unreachable
}