1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=thumbv7s | FileCheck %s 3target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32" 4target triple = "thumbv7s-apple-ios3.1.3" 5 6define void @bfi_chain_cse_crash(ptr %0, ptr %ptr) { 7; CHECK-LABEL: bfi_chain_cse_crash: 8; CHECK: @ %bb.0: @ %entry 9; CHECK-NEXT: ldrb r2, [r0] 10; CHECK-NEXT: and r3, r2, #1 11; CHECK-NEXT: lsr.w r12, r2, #3 12; CHECK-NEXT: bfi r3, r12, #3, #1 13; CHECK-NEXT: strb r3, [r0] 14; CHECK-NEXT: and r0, r2, #4 15; CHECK-NEXT: bfi r0, r12, #3, #1 16; CHECK-NEXT: strb r0, [r1] 17; CHECK-NEXT: bx lr 18entry: 19 %1 = load i8, ptr %0, align 1 20 %2 = and i8 %1, 1 21 %3 = select i1 false, i8 %2, i8 0 22 %4 = and i8 %1, 4 23 %5 = icmp eq i8 %4, 0 24 %6 = zext i8 %3 to i32 25 %7 = or i32 %6, 4 26 %8 = trunc i32 %7 to i8 27 %9 = select i1 %5, i8 %3, i8 %8 28 %10 = and i8 %1, 8 29 %11 = icmp eq i8 %10, 0 30 %12 = zext i8 %2 to i32 31 %13 = or i32 %12, 8 32 %14 = trunc i32 %13 to i8 33 %15 = zext i8 %9 to i32 34 %16 = or i32 %15, 8 35 %17 = trunc i32 %16 to i8 36 %18 = select i1 %11, i8 %2, i8 %14 37 %19 = select i1 %11, i8 %9, i8 %17 38 store i8 %18, ptr %0, align 1 39 store i8 %19, ptr %ptr, align 1 40 ret void 41} 42