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1;RUN: opt -passes=instcombine -S < %s | llc -mtriple=armv5e--linux-gnueabi | FileCheck %s2;RUN: opt -passes=instcombine -S < %s | llc -mtriple=thumbv4t--linux-gnueabi | FileCheck %s3;RUN: opt -passes=instcombine -S < %s | llc -mtriple=armv6--linux-gnueabi | FileCheck %s4 5;RUN: opt -passes=instcombine -S < %s | llc -mtriple=armv7--linux-gnueabi | FileCheck %s --check-prefix=RBIT6;RUN: opt -passes=instcombine -S < %s | llc -mtriple=thumbv8--linux-gnueabi | FileCheck %s --check-prefix=RBIT7 8;CHECK-NOT: rbit9;RBIT: rbit10 11define void @byte_reversal(ptr %p, i32 %n) {12entry:13 br label %for.cond14 15for.cond: ; preds = %for.body, %entry16 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]17 %cmp = icmp ult i32 %i.0, %n18 br i1 %cmp, label %for.body, label %for.end19 20for.body: ; preds = %for.cond21 %0 = sext i32 %i.0 to i6422 %arrayidx = getelementptr inbounds i8, ptr %p, i64 %023 %1 = load i8, ptr %arrayidx, align 124 %or19 = call i8 @llvm.bitreverse.i8(i8 %1)25 store i8 %or19, ptr %arrayidx, align 126 %inc = add i32 %i.0, 127 br label %for.cond28 29for.end: ; preds = %for.cond30 ret void31}32 33; Function Attrs: nounwind readnone34declare i8 @llvm.bitreverse.i8(i8)35