1*9880d681SAndroid Build Coastguard Worker; Tests the genration of ".arch_extension" attribute for hardware 2*9880d681SAndroid Build Coastguard Worker; division on krait CPU. For now, krait is recognized as "cortex-a9" + hwdiv 3*9880d681SAndroid Build Coastguard Worker; Also, tests for the hwdiv instruction on krait CPU 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; check for arch_extension/cpu directive 6*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv7-linux-gnueabi -mcpu=krait | FileCheck %s --check-prefix=DIV_EXTENSION 7*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -mcpu=krait | FileCheck %s --check-prefix=DIV_EXTENSION 8*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv7-linux-gnueabi -mcpu=cortex-a9 | FileCheck %s --check-prefix=NODIV_KRAIT 9*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -mcpu=cortex-a9 | FileCheck %s --check-prefix=NODIV_KRAIT 10*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv7-linux-gnueabi -mcpu=krait -mattr=-hwdiv,-hwdiv-arm | FileCheck %s --check-prefix=NODIV_KRAIT 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Worker; check if correct instruction is emitted by integrated assembler 13*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv7-linux-gnueabi -mcpu=krait -filetype=obj | llvm-objdump -mcpu=krait -triple armv7-linux-gnueabi -d - | FileCheck %s --check-prefix=HWDIV 14*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -mcpu=krait -filetype=obj | llvm-objdump -mcpu=krait -triple thumbv7-linux-gnueabi -d - | FileCheck %s --check-prefix=HWDIV 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Worker; arch_extension attribute 17*9880d681SAndroid Build Coastguard Worker; DIV_EXTENSION: .cpu cortex-a9 18*9880d681SAndroid Build Coastguard Worker; DIV_EXTENSION: .arch_extension idiv 19*9880d681SAndroid Build Coastguard Worker; NODIV_KRAIT-NOT: .arch_extension idiv 20*9880d681SAndroid Build Coastguard Worker; HWDIV: sdiv 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerdefine i32 @main() #0 { 23*9880d681SAndroid Build Coastguard Workerentry: 24*9880d681SAndroid Build Coastguard Worker %retval = alloca i32, align 4 25*9880d681SAndroid Build Coastguard Worker %a = alloca i32, align 4 26*9880d681SAndroid Build Coastguard Worker %b = alloca i32, align 4 27*9880d681SAndroid Build Coastguard Worker %c = alloca i32, align 4 28*9880d681SAndroid Build Coastguard Worker store i32 0, i32* %retval 29*9880d681SAndroid Build Coastguard Worker store volatile i32 100, i32* %b, align 4 30*9880d681SAndroid Build Coastguard Worker store volatile i32 32, i32* %c, align 4 31*9880d681SAndroid Build Coastguard Worker %0 = load volatile i32, i32* %b, align 4 32*9880d681SAndroid Build Coastguard Worker %1 = load volatile i32, i32* %c, align 4 33*9880d681SAndroid Build Coastguard Worker %div = sdiv i32 %0, %1 34*9880d681SAndroid Build Coastguard Worker store volatile i32 %div, i32* %a, align 4 35*9880d681SAndroid Build Coastguard Worker ret i32 0 36*9880d681SAndroid Build Coastguard Worker} 37