55 lines
1.6 KiB
LLVM
55 lines
1.6 KiB
LLVM
; RUN: llc -mtriple=ppc64-- -ppc-always-use-base-pointer < %s | FileCheck %s --check-prefix CHECK --check-prefix PPC64
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; RUN: llc -ppc-always-use-base-pointer -relocation-model=static < %s | FileCheck %s --check-prefix CHECK --check-prefix PPC32
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; RUN: llc -ppc-always-use-base-pointer -relocation-model=pic < %s | FileCheck %s --check-prefix CHECK --check-prefix PPC32PIC
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; CHECK-LABEL: fred:
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; Check for saving/restoring frame pointer (X31) and base pointer (X30)
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; on ppc64:
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; PPC64: std 31, -8(1)
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; PPC64: std 30, -16(1)
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; PPC64: ld 31, -8(1)
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; PPC64: ld 30, -16(1)
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; Check for saving/restoring frame pointer (R31) and base pointer (R30)
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; on ppc32:
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; PPC32: stwux 1, 1, 0
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; PPC32; addic 0, 0, -4
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; PPC32: stwx 31, 0, 0
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; PPC32: addic 0, 0, -4
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; PPC32: stwx 30, 0, 0
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; The restore sequence:
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; PPC32: lwz 31, 0(1)
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; PPC32: addic 30, 0, 8
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; PPC32: lwz 0, -4(31)
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; PPC32: lwz 30, -8(31)
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; PPC32: mr 1, 31
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; PPC32: mr 31, 0
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; Check for saving/restoring frame pointer (R31) and base pointer (R29)
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; on ppc32/pic. This is mostly the same as without pic, except that base
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; pointer is in R29.
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; PPC32PIC: stwux 1, 1, 0
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; PPC32PIC; addic 0, 0, -4
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; PPC32PIC: stwx 31, 0, 0
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; PPC32PIC: addic 0, 0, -8
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; PPC32PIC: stwx 29, 0, 0
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; The restore sequence:
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; PPC32PIC: lwz 31, 0(1)
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; PPC32PIC: addic 29, 0, 12
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; PPC32PIC: lwz 0, -4(31)
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; PPC32PIC: lwz 29, -12(31)
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; PPC32PIC: mr 1, 31
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; PPC32PIC: mr 31, 0
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target datalayout = "E-m:e-p:32:32-i64:64-n32"
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target triple = "powerpc-unknown-freebsd"
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define i64 @fred() local_unnamed_addr #0 {
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entry:
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ret i64 0
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}
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attributes #0 = { norecurse readnone nounwind sspstrong "frame-pointer"="all" "target-cpu"="ppc" }
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