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