forked from OSchip/llvm-project
25 lines
804 B
LLVM
25 lines
804 B
LLVM
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; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc"
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%class.A = type { i32 (...)** }
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@0 = constant [1 x i8*] zeroinitializer
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@vtbl = alias i8*, getelementptr inbounds ([1 x i8*], [1 x i8*]* @0, i32 0, i32 0)
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define i32 (%class.A*)* @test() {
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; CHECK-LABEL: test
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entry:
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br i1 undef, label %for.body, label %for.end
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for.body: ; preds = %for.body, %entry
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br i1 undef, label %for.body, label %for.end
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for.end: ; preds = %for.body, %entry
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%A = phi i32 (%class.A*)** [ bitcast (i8** @vtbl to i32 (%class.A*)**), %for.body ], [ null, %entry ]
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%B = load i32 (%class.A*)*, i32 (%class.A*)** %A
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ret i32 (%class.A*)* %B
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}
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