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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@fptr = internal unnamed_addr global i32 (i32)* @f2, align 8
define dso_local i32 @foo(i32 %x) local_unnamed_addr {
entry:
%0 = load i32 (i32)*, i32 (i32)** @fptr, align 8
%call = tail call i32 %0(i32 %x), !callees !0
ret i32 %call
}
define internal i32 @f2(i32 %x) {
entry:
%tobool = icmp eq i32 %x, 0
br i1 %tobool, label %if.end, label %if.then
if.then: ; preds = %entry
store i32 (i32)* @f1, i32 (i32)** @fptr, align 8
%sub.i = add nsw i32 %x, -1
br label %if.end
if.end: ; preds = %entry, %if.then
%phi.call = phi i32 [ %sub.i, %if.then ], [ -1, %entry ]
ret i32 %phi.call
}
define internal i32 @f1(i32 %x) {
entry:
%sub = add nsw i32 %x, -1
ret i32 %sub
}
!0 = !{i32 (i32)* @f1, i32 (i32)* @f2}
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