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authorDimitry Andric <dim@FreeBSD.org>2012-12-02 13:10:19 +0000
committerDimitry Andric <dim@FreeBSD.org>2012-12-02 13:10:19 +0000
commit522600a229b950314b5f4af84eba4f3e8a0ffea1 (patch)
tree32b4679ab4b8f28e5228daafc65e9dc436935353 /test/Transforms/InstCombine/strcpy_chk-2.ll
parent902a7b529820e6a0aa85f98f21afaeb1805a22f8 (diff)
Notes
Diffstat (limited to 'test/Transforms/InstCombine/strcpy_chk-2.ll')
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diff --git a/test/Transforms/InstCombine/strcpy_chk-2.ll b/test/Transforms/InstCombine/strcpy_chk-2.ll
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index 0000000000000..d76ea5d068bcd
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+++ b/test/Transforms/InstCombine/strcpy_chk-2.ll
@@ -0,0 +1,21 @@
+; Test that lib call simplification doesn't simplify __strcpy_chk calls
+; with the wrong prototype.
+;
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+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"
+
+@a = common global [60 x i16] zeroinitializer, align 1
+@.str = private constant [8 x i8] c"abcdefg\00"
+
+define void @test_no_simplify() {
+; CHECK: @test_no_simplify
+ %dst = getelementptr inbounds [60 x i16]* @a, i32 0, i32 0
+ %src = getelementptr inbounds [8 x i8]* @.str, i32 0, i32 0
+
+; CHECK-NEXT: call i16* @__strcpy_chk
+ call i16* @__strcpy_chk(i16* %dst, i8* %src, i32 8)
+ ret void
+}
+
+declare i16* @__strcpy_chk(i16*, i8*, i32)