blob: 6424f7b665ed92970bb0ebcbd473b1e2c82a57c6 [file] [log] [blame]
; 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
}