| ; RUN: llc -asm-verbose=false < %s | FileCheck %s |
| ; PR26063 |
| |
| target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "armv7--linux-gnueabihf" |
| |
| ; CHECK: .LBB0_1: |
| ; CHECK-NEXT: bl f{{$}} |
| ; CHECK-NEXT: ldrb r[[T0:[0-9]+]], [r{{[0-9]+}}, #1]!{{$}} |
| ; CHECK-NEXT: cmp r{{[0-9]+}}, #1{{$}} |
| ; CHECK-NEXT: cmpne r[[T0]], #0{{$}} |
| ; CHECK-NEXT: bne .LBB0_1{{$}} |
| define i8* @h(i8* readonly %a, i32 %b, i32 %c) { |
| entry: |
| %0 = load i8, i8* %a, align 1 |
| %tobool4 = icmp ne i8 %0, 0 |
| %cmp5 = icmp ne i32 %b, 1 |
| %1 = and i1 %cmp5, %tobool4 |
| br i1 %1, label %while.body.preheader, label %while.end |
| |
| while.body.preheader: ; preds = %entry |
| br label %while.body |
| |
| while.body: ; preds = %while.body.preheader, %while.body |
| %a.addr.06 = phi i8* [ %incdec.ptr, %while.body ], [ %a, %while.body.preheader ] |
| %call = tail call i32 bitcast (i32 (...)* @f to i32 ()*)() |
| %incdec.ptr = getelementptr inbounds i8, i8* %a.addr.06, i32 1 |
| %2 = load i8, i8* %incdec.ptr, align 1 |
| %tobool = icmp ne i8 %2, 0 |
| %cmp = icmp ne i32 %call, 1 |
| %3 = and i1 %cmp, %tobool |
| br i1 %3, label %while.body, label %while.end.loopexit |
| |
| while.end.loopexit: ; preds = %while.body |
| %incdec.ptr.lcssa = phi i8* [ %incdec.ptr, %while.body ] |
| br label %while.end |
| |
| while.end: ; preds = %while.end.loopexit, %entry |
| %a.addr.0.lcssa = phi i8* [ %a, %entry ], [ %incdec.ptr.lcssa, %while.end.loopexit ] |
| ret i8* %a.addr.0.lcssa |
| } |
| |
| declare i32 @f(...) |
