
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.
88 lines
3.0 KiB
LLVM
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
|
|
}
|