From 1821c6c3b0ad23c7caf8205dfb6ffd710635cfa5 Mon Sep 17 00:00:00 2001 From: Rafael Espindola Date: Fri, 15 Jun 2012 18:00:24 +0000 Subject: Some optimizations done by globalopt are safe only for internal linkage, not linkonce linkage. For example, it is not valid to add unnamed_addr. This also fixes a crash in g++.dg/opt/static5.C. llvm-svn: 158528 --- llvm/test/Transforms/GlobalOpt/unnamed-addr.ll | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'llvm/test/Transforms/GlobalOpt/unnamed-addr.ll') diff --git a/llvm/test/Transforms/GlobalOpt/unnamed-addr.ll b/llvm/test/Transforms/GlobalOpt/unnamed-addr.ll index be028212277..babadc62103 100644 --- a/llvm/test/Transforms/GlobalOpt/unnamed-addr.ll +++ b/llvm/test/Transforms/GlobalOpt/unnamed-addr.ll @@ -4,11 +4,23 @@ @b = internal global i32 0, align 4 @c = internal global i32 0, align 4 @d = internal constant [4 x i8] c"foo\00", align 1 +@e = linkonce_odr global i32 0 ; CHECK: @a = internal global i32 0, align 4 ; CHECK: @b = internal global i32 0, align 4 ; CHECK: @c = internal unnamed_addr global i32 0, align 4 ; CHECK: @d = internal unnamed_addr constant [4 x i8] c"foo\00", align 1 +; CHECK: @e = linkonce_odr global i32 0 + +define i32 @get_e() { + %t = load i32* @e + ret i32 %t +} + +define void @set_e(i32 %x) { + store i32 %x, i32* @e + ret void +} define i1 @bah(i64 %i) nounwind readonly optsize ssp { entry: -- cgit v1.2.3