diff options
| -rw-r--r-- | llvm/lib/Transforms/IPO/GlobalOpt.cpp | 3 | ||||
| -rw-r--r-- | llvm/test/Transforms/GlobalOpt/unnamed-addr.ll | 12 |
2 files changed, 15 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/GlobalOpt.cpp b/llvm/lib/Transforms/IPO/GlobalOpt.cpp index 9e3b8c28269..cca959b2476 100644 --- a/llvm/lib/Transforms/IPO/GlobalOpt.cpp +++ b/llvm/lib/Transforms/IPO/GlobalOpt.cpp @@ -1729,6 +1729,9 @@ bool GlobalOpt::ProcessGlobal(GlobalVariable *GV, return true; } + if (!GV->hasLocalLinkage()) + return false; + SmallPtrSet<const PHINode*, 16> PHIUsers; GlobalStatus GS; 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: |
