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1; Tests the genration of ".arch_extension" attribute for hardware2; division on krait CPU. For now, krait is recognized as "cortex-a9" + hwdiv3; Also, tests for the hwdiv instruction on krait CPU4 5; check for arch_extension/cpu directive6; RUN: llc < %s -mtriple=armv7-linux-gnueabi -mcpu=krait | FileCheck %s --check-prefix=DIV_EXTENSION7; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -mcpu=krait | FileCheck %s --check-prefix=DIV_EXTENSION8; RUN: llc < %s -mtriple=armv7-linux-gnueabi -mcpu=cortex-a9 | FileCheck %s --check-prefix=NODIV_KRAIT9; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -mcpu=cortex-a9 | FileCheck %s --check-prefix=NODIV_KRAIT10; RUN: llc < %s -mtriple=armv7-linux-gnueabi -mcpu=krait -mattr=-hwdiv,-hwdiv-arm | FileCheck %s --check-prefix=NODIV_KRAIT11 12; check if correct instruction is emitted by integrated assembler13; RUN: llc < %s -mtriple=armv7-linux-gnueabi -mcpu=krait -filetype=obj | llvm-objdump --mcpu=krait --triple=armv7-linux-gnueabi -d - | FileCheck %s --check-prefix=HWDIV14; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -mcpu=krait -filetype=obj | llvm-objdump --mcpu=krait --triple=thumbv7-linux-gnueabi -d - | FileCheck %s --check-prefix=HWDIV15 16; arch_extension attribute17; DIV_EXTENSION: .cpu cortex-a918; DIV_EXTENSION: .arch_extension idiv19; NODIV_KRAIT-NOT: .arch_extension idiv20; HWDIV: sdiv21 22define i32 @main() #0 {23entry:24 %retval = alloca i32, align 425 %a = alloca i32, align 426 %b = alloca i32, align 427 %c = alloca i32, align 428 store i32 0, ptr %retval29 store volatile i32 100, ptr %b, align 430 store volatile i32 32, ptr %c, align 431 %0 = load volatile i32, ptr %b, align 432 %1 = load volatile i32, ptr %c, align 433 %div = sdiv i32 %0, %134 store volatile i32 %div, ptr %a, align 435 ret i32 036}37