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| ; RUN: opt < %s -indvars -disable-output
; PR4009
; PR4038
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
target triple = "i386-pc-linux-gnu"
define void @safe_bcopy(i8* %to) nounwind {
entry:
%cmp11 = icmp ult i8* %to, null ; <i1> [#uses=1]
br i1 %cmp11, label %loop, label %return
return: ; preds = %entry
ret void
loop: ; preds = %loop, %if.else
%pn = phi i8* [ %ge, %loop ], [ null, %entry ] ; <i8*> [#uses=1]
%cp = ptrtoint i8* %to to i32 ; <i32> [#uses=1]
%su = sub i32 0, %cp ; <i32> [#uses=1]
%ge = getelementptr i8, i8* %pn, i32 %su ; <i8*> [#uses=2]
tail call void @bcopy(i8* %ge) nounwind
br label %loop
}
define void @safe_bcopy_4038(i8* %from, i8* %to, i32 %size) nounwind {
entry:
br i1 false, label %if.else, label %if.then12
if.then12: ; preds = %entry
ret void
if.else: ; preds = %entry
%sub.ptr.rhs.cast40 = ptrtoint i8* %from to i32 ; <i32> [#uses=1]
br label %if.end54
if.end54: ; preds = %if.end54, %if.else
%sub.ptr4912.pn = phi i8* [ %sub.ptr4912, %if.end54 ], [ null, %if.else ] ; <i8*> [#uses=1]
%sub.ptr7 = phi i8* [ %sub.ptr, %if.end54 ], [ null, %if.else ] ; <i8*> [#uses=2]
%sub.ptr.rhs.cast46.pn = ptrtoint i8* %from to i32 ; <i32> [#uses=1]
%sub.ptr.lhs.cast45.pn = ptrtoint i8* %to to i32 ; <i32> [#uses=1]
%sub.ptr.sub47.pn = sub i32 %sub.ptr.rhs.cast46.pn, %sub.ptr.lhs.cast45.pn ; <i32> [#uses=1]
%sub.ptr4912 = getelementptr i8, i8* %sub.ptr4912.pn, i32 %sub.ptr.sub47.pn ; <i8*> [#uses=2]
tail call void @bcopy_4038(i8* %sub.ptr4912, i8* %sub.ptr7, i32 0) nounwind
%sub.ptr = getelementptr i8, i8* %sub.ptr7, i32 %sub.ptr.rhs.cast40 ; <i8*> [#uses=1]
br label %if.end54
}
declare void @bcopy(i8* nocapture) nounwind
declare void @bcopy_4038(i8*, i8*, i32) nounwind
|