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1; RUN: llc -mcpu=pwr7 -mattr=-altivec -verify-machineinstrs \2; RUN: -mtriple=powerpc-unknown-aix < %s | FileCheck %s --check-prefix 32BIT3 4; RUN: llc -mcpu=pwr7 -mattr=-altivec -verify-machineinstrs \5; RUN: -mtriple=powerpc64-unknown-aix < %s | FileCheck %s --check-prefix 64BIT6 7; Use an overaligned buffer to force base-pointer usage. Test verifies:8; - base pointer register (r30) is saved/defined/restored.9; - frame pointer register (r31) is saved/defined/restored.10; - stack frame is allocated with correct alignment.11; - Address of %AlignedBuffer is calculated based off offset from the stack12; pointer.13 14define float @caller(float %f) {15 %AlignedBuffer = alloca [32 x i32], align 3216 call void @callee(ptr %AlignedBuffer)17 ret float %f18}19 20declare void @callee(ptr)21 22; 32BIT-LABEL: .caller:23; 32BIT: stw 30, -16(1)24; 32BIT: mr 30, 125; 32BIT: clrlwi 0, 1, 2726; 32BIT: subfic 0, 0, -22427; 32BIT: stwux 1, 1, 028; 32BIT: addi 3, 1, 6429; 32BIT: stw 31, -12(30)30; 32BIT: bl .callee31; 32BIT: lwz 31, -12(30)32; 32BIT: mr 1, 3033; 32BIT: lwz 30, -16(1)34 35; 64BIT-LABEL: .caller:36; 64BIT: std 30, -24(1)37; 64BIT: mr 30, 138; 64BIT: clrldi 0, 1, 5939; 64BIT: subfic 0, 0, -28840; 64BIT: stdux 1, 1, 041; 64BIT: addi 3, 1, 12842; 64BIT: std 31, -16(30)43; 64BIT: bl .callee44; 64BIT: ld 31, -16(30)45; 64BIT: mr 1, 3046; 64BIT: ld 30, -24(1)47