1
0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-16 11:30:51 +00:00
llvm-6502/test/Transforms/InstCombine/alias-recursion.ll

25 lines
799 B
LLVM
Raw Normal View History

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