| ; RUN: llc -mtriple=ppc64-- -ppc-always-use-base-pointer < %s | FileCheck %s --check-prefix CHECK --check-prefix PPC64 |
| ; RUN: llc -ppc-always-use-base-pointer -relocation-model=static < %s | FileCheck %s --check-prefix CHECK --check-prefix PPC32 |
| ; RUN: llc -ppc-always-use-base-pointer -relocation-model=pic < %s | FileCheck %s --check-prefix CHECK --check-prefix PPC32PIC |
| |
| ; CHECK-LABEL: fred: |
| |
| ; Check for saving/restoring frame pointer (X31) and base pointer (X30) |
| ; on ppc64: |
| ; PPC64: std 31, -8(1) |
| ; PPC64: std 30, -16(1) |
| ; PPC64: ld 31, -8(1) |
| ; PPC64: ld 30, -16(1) |
| |
| ; Check for saving/restoring frame pointer (R31) and base pointer (R30) |
| ; on ppc32: |
| ; PPC32: stwux 1, 1, 0 |
| ; PPC32; addic 0, 0, -4 |
| ; PPC32: stwx 31, 0, 0 |
| ; PPC32: addic 0, 0, -4 |
| ; PPC32: stwx 30, 0, 0 |
| ; The restore sequence: |
| ; PPC32: lwz 31, 0(1) |
| ; PPC32: addic 30, 0, 8 |
| ; PPC32: lwz 0, -4(31) |
| ; PPC32: lwz 30, -8(31) |
| ; PPC32: mr 1, 31 |
| ; PPC32: mr 31, 0 |
| |
| ; Check for saving/restoring frame pointer (R31) and base pointer (R29) |
| ; on ppc32/pic. This is mostly the same as without pic, except that base |
| ; pointer is in R29. |
| ; PPC32PIC: stwux 1, 1, 0 |
| ; PPC32PIC; addic 0, 0, -4 |
| ; PPC32PIC: stwx 31, 0, 0 |
| ; PPC32PIC: addic 0, 0, -8 |
| ; PPC32PIC: stwx 29, 0, 0 |
| ; The restore sequence: |
| ; PPC32PIC: lwz 31, 0(1) |
| ; PPC32PIC: addic 29, 0, 12 |
| ; PPC32PIC: lwz 0, -4(31) |
| ; PPC32PIC: lwz 29, -12(31) |
| ; PPC32PIC: mr 1, 31 |
| ; PPC32PIC: mr 31, 0 |
| |
| |
| target datalayout = "E-m:e-p:32:32-i64:64-n32" |
| target triple = "powerpc-unknown-freebsd" |
| |
| define i64 @fred() local_unnamed_addr #0 { |
| entry: |
| ret i64 0 |
| } |
| |
| attributes #0 = { norecurse readnone nounwind sspstrong "no-frame-pointer-elim"="true" "target-cpu"="ppc" } |
