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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
826 B
LLVM
25 lines
826 B
LLVM
; Test that lib call simplification doesn't simplify __memcpy_chk calls
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; with the wrong prototype.
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;
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; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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%struct.T1 = type { [100 x i32], [100 x i32], [1024 x i8] }
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%struct.T2 = type { [100 x i32], [100 x i32], [1024 x i8] }
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@t1 = common global %struct.T1 zeroinitializer
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@t2 = common global %struct.T2 zeroinitializer
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define void @test_no_simplify() {
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; CHECK-LABEL: @test_no_simplify(
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%dst = bitcast %struct.T1* @t1 to i8*
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%src = bitcast %struct.T2* @t2 to i8*
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; CHECK-NEXT: call i8* @__memcpy_chk
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call i8* @__memcpy_chk(i8* %dst, i8* %src, i64 1824)
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ret void
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}
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declare i8* @__memcpy_chk(i8*, i8*, i64)
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