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