| ; RUN: llc -mcpu=ppc64 < %s | FileCheck %s |
| target datalayout = "E-m:e-i64:64-n32:64" |
| target triple = "powerpc64-unknown-linux-gnu" |
| |
| ; Function Attrs: noreturn nounwind |
| define signext i32 @_Z1fRPc(i8** nocapture dereferenceable(8) %p) #0 { |
| entry: |
| %.pre = load i8*, i8** %p, align 8 |
| br label %loop |
| |
| loop: ; preds = %loop.backedge, %entry |
| %0 = phi i8* [ %.pre, %entry ], [ %.be, %loop.backedge ] |
| %1 = load i8, i8* %0, align 1 |
| %tobool = icmp eq i8 %1, 0 |
| %incdec.ptr = getelementptr inbounds i8, i8* %0, i64 1 |
| store i8* %incdec.ptr, i8** %p, align 8 |
| %2 = load i8, i8* %incdec.ptr, align 1 |
| %tobool2 = icmp ne i8 %2, 0 |
| %or.cond = and i1 %tobool, %tobool2 |
| br i1 %or.cond, label %if.then3, label %loop.backedge |
| |
| if.then3: ; preds = %loop |
| %incdec.ptr4 = getelementptr inbounds i8, i8* %0, i64 2 |
| store i8* %incdec.ptr4, i8** %p, align 8 |
| br label %loop.backedge |
| |
| loop.backedge: ; preds = %if.then3, %loop |
| %.be = phi i8* [ %incdec.ptr4, %if.then3 ], [ %incdec.ptr, %loop ] |
| br label %loop |
| |
| ; CHECK-LABEL: @_Z1fRPc |
| ; CHECK-NOT: rlwinm {{[0-9]+}}, {{[0-9]+}}, 0, 24, 31 |
| ; CHECK-NOT: clrlwi {{[0-9]+}}, {{[0-9]+}}, 24 |
| } |
| |
| attributes #0 = { noreturn nounwind } |
| |
