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1; RUN: opt -passes=inline %s -S | FileCheck %s2 3target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"4target triple = "thumbv7m-arm-none-eabi"5 6; CHECK-LABEL: define void @matcpy7define void @matcpy(ptr %dest, ptr %source, i32 %num) #0 {8entry:9 %0 = ptrtoint ptr %dest to i3210 %1 = ptrtoint ptr %source to i3211 %2 = xor i32 %0, %112 %3 = and i32 %2, 313 %cmp = icmp eq i32 %3, 014 br i1 %cmp, label %if.then, label %if.else2015 16if.then: ; preds = %entry17 %sub = sub i32 0, %018 %and2 = and i32 %sub, 319 %add = or i32 %and2, 420 %cmp3 = icmp ugt i32 %add, %num21 br i1 %cmp3, label %if.else, label %if.then422 23if.then4: ; preds = %if.then24 %sub5 = sub i32 %num, %and225 %shr = and i32 %sub5, -426 %sub7 = sub i32 %sub5, %shr27 %tobool = icmp eq i32 %and2, 028 br i1 %tobool, label %if.end, label %if.then829 30if.then8: ; preds = %if.then431; CHECK: call fastcc void @memcpy32 call fastcc void @memcpy(ptr %dest, ptr %source, i32 %and2) #033 %add.ptr = getelementptr inbounds i8, ptr %dest, i32 %and234 %add.ptr9 = getelementptr inbounds i8, ptr %source, i32 %and235 br label %if.end36 37if.end: ; preds = %if.then4, %if.then838 %p_dest.0 = phi ptr [ %add.ptr, %if.then8 ], [ %dest, %if.then4 ]39 %p_source.0 = phi ptr [ %add.ptr9, %if.then8 ], [ %source, %if.then4 ]40 %tobool14 = icmp eq i32 %sub7, 041 br i1 %tobool14, label %if.end22, label %if.then1542 43if.then15: ; preds = %if.end44 %add.ptr13 = getelementptr inbounds i8, ptr %p_source.0, i32 %shr45 %add.ptr11 = getelementptr inbounds i8, ptr %p_dest.0, i32 %shr46; CHECK: call fastcc void @memcpy47 call fastcc void @memcpy(ptr %add.ptr11, ptr %add.ptr13, i32 %sub7) #048 br label %if.end2249 50if.else: ; preds = %if.then51 call fastcc void @memcpy(ptr %dest, ptr %source, i32 %num) #052 br label %if.end2253 54if.else20: ; preds = %entry55 call fastcc void @memcpy(ptr %dest, ptr %source, i32 %num) #056 br label %if.end2257 58if.end22: ; preds = %if.then15, %if.end, %if.else, %if.else2059 ret void60}61 62; CHECK-LABEL: define internal void @memcpy63define internal void @memcpy(ptr nocapture %dest, ptr nocapture readonly %source, i32 %num) #0 {64entry:65 br label %while.cond66 67while.cond: ; preds = %while.body, %entry68 %num.addr.0 = phi i32 [ %num, %entry ], [ %dec, %while.body ]69 %p_dest.0 = phi ptr [ %dest, %entry ], [ %incdec.ptr1, %while.body ]70 %p_source.0 = phi ptr [ %source, %entry ], [ %incdec.ptr, %while.body ]71 %cmp = icmp eq i32 %num.addr.0, 072 br i1 %cmp, label %while.end, label %while.body73 74while.body: ; preds = %while.cond75 %incdec.ptr = getelementptr inbounds i8, ptr %p_source.0, i32 176 %0 = load i8, ptr %p_source.0, align 177 %incdec.ptr1 = getelementptr inbounds i8, ptr %p_dest.0, i32 178 store i8 %0, ptr %p_dest.0, align 179 %dec = add i32 %num.addr.0, -180 br label %while.cond81 82while.end: ; preds = %while.cond83 ret void84}85 86attributes #0 = { minsize optsize }87 88