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22 lines
760 B
22 lines
760 B
4 months ago
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; Test that lib call simplification doesn't simplify __strcpy_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:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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@a = common global [60 x i16] zeroinitializer, align 1
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@.str = private constant [8 x i8] c"abcdefg\00"
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define void @test_no_simplify() {
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; CHECK-LABEL: @test_no_simplify(
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%dst = getelementptr inbounds [60 x i16], [60 x i16]* @a, i32 0, i32 0
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%src = getelementptr inbounds [8 x i8], [8 x i8]* @.str, i32 0, i32 0
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; CHECK-NEXT: call i16* @__strcpy_chk
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call i16* @__strcpy_chk(i16* %dst, i8* %src, i32 8)
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ret void
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}
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declare i16* @__strcpy_chk(i16*, i8*, i32)
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