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; RUN: llc -mcpu=pwr7 -mattr=-altivec -verify-machineinstrs \
; RUN: -mtriple=powerpc-unknown-aix < %s | FileCheck %s --check-prefix 32BIT
; RUN: llc -mcpu=pwr7 -mattr=-altivec -verify-machineinstrs \
; RUN: -mtriple=powerpc64-unknown-aix < %s | FileCheck %s --check-prefix 64BIT
; Use an overaligned buffer to force base-pointer usage. Test verifies:
; - base pointer register (r30) is saved/defined/restored.
; - frame pointer register (r31) is saved/defined/restored.
; - stack frame is allocated with correct alignment.
; - Address of %AlignedBuffer is calculated based off offset from the stack
; pointer.
define float @caller(float %f) {
%AlignedBuffer = alloca [32 x i32], align 32
call void @callee(ptr %AlignedBuffer)
ret float %f
}
declare void @callee(ptr)
; 32BIT-LABEL: .caller:
; 32BIT: stw 30, -16(1)
; 32BIT: mr 30, 1
; 32BIT: clrlwi 0, 1, 27
; 32BIT: subfic 0, 0, -224
; 32BIT: stwux 1, 1, 0
; 32BIT: addi 3, 1, 64
; 32BIT: stw 31, -12(30)
; 32BIT: bl .callee
; 32BIT: lwz 31, -12(30)
; 32BIT: mr 1, 30
; 32BIT: lwz 30, -16(1)
; 64BIT-LABEL: .caller:
; 64BIT: std 30, -24(1)
; 64BIT: mr 30, 1
; 64BIT: clrldi 0, 1, 59
; 64BIT: subfic 0, 0, -288
; 64BIT: stdux 1, 1, 0
; 64BIT: addi 3, 1, 128
; 64BIT: std 31, -16(30)
; 64BIT: bl .callee
; 64BIT: ld 31, -16(30)
; 64BIT: mr 1, 30
; 64BIT: ld 30, -24(1)
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