1 ; RUN: llc -asm-verbose=false < %s | FileCheck %s 2 ; PR26063 3 4 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 5 target triple = "armv7--linux-gnueabihf" 6 7 ; CHECK: .LBB0_1: 8 ; CHECK-NEXT: bl f{{$}} 9 ; CHECK-NEXT: ldrb r[[T0:[0-9]+]], [r{{[0-9]+}}, #1]!{{$}} 10 ; CHECK-NEXT: cmp r{{[0-9]+}}, #1{{$}} 11 ; CHECK-NEXT: cmpne r[[T0]], #0{{$}} 12 ; CHECK-NEXT: bne .LBB0_1{{$}} 13 define i8* @h(i8* readonly %a, i32 %b, i32 %c) { 14 entry: 15 %0 = load i8, i8* %a, align 1 16 %tobool4 = icmp ne i8 %0, 0 17 %cmp5 = icmp ne i32 %b, 1 18 %1 = and i1 %cmp5, %tobool4 19 br i1 %1, label %while.body.preheader, label %while.end 20 21 while.body.preheader: ; preds = %entry 22 br label %while.body 23 24 while.body: ; preds = %while.body.preheader, %while.body 25 %a.addr.06 = phi i8* [ %incdec.ptr, %while.body ], [ %a, %while.body.preheader ] 26 %call = tail call i32 bitcast (i32 (...)* @f to i32 ()*)() 27 %incdec.ptr = getelementptr inbounds i8, i8* %a.addr.06, i32 1 28 %2 = load i8, i8* %incdec.ptr, align 1 29 %tobool = icmp ne i8 %2, 0 30 %cmp = icmp ne i32 %call, 1 31 %3 = and i1 %cmp, %tobool 32 br i1 %3, label %while.body, label %while.end.loopexit 33 34 while.end.loopexit: ; preds = %while.body 35 %incdec.ptr.lcssa = phi i8* [ %incdec.ptr, %while.body ] 36 br label %while.end 37 38 while.end: ; preds = %while.end.loopexit, %entry 39 %a.addr.0.lcssa = phi i8* [ %a, %entry ], [ %incdec.ptr.lcssa, %while.end.loopexit ] 40 ret i8* %a.addr.0.lcssa 41 } 42 43 declare i32 @f(...) 44
