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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2012-06-14 22:48:13 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2012-06-14 22:48:13 +0000 |
| commit | 0397729d3b8da4208660a163d18296b1a3bd32b8 (patch) | |
| tree | 06128ec39f9c9771e28692b44a8ceb8edb41e338 /test | |
| parent | 312091ece3e7860cea0410318cf1e06cea75954e (diff) | |
| download | llvm-0397729d3b8da4208660a163d18296b1a3bd32b8.tar.gz llvm-0397729d3b8da4208660a163d18296b1a3bd32b8.tar.bz2 llvm-0397729d3b8da4208660a163d18296b1a3bd32b8.tar.xz | |
Implement the isSafeToDiscardIfUnused predicate and use it in globalopt and
globaldce. Globaldce was already removing linkonce globals, but globalopt was
not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158476 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/GlobalOpt/deadglobal.ll | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/test/Transforms/GlobalOpt/deadglobal.ll b/test/Transforms/GlobalOpt/deadglobal.ll index c8d8e7674d..cad5a91488 100644 --- a/test/Transforms/GlobalOpt/deadglobal.ll +++ b/test/Transforms/GlobalOpt/deadglobal.ll @@ -1,9 +1,25 @@ -; RUN: opt < %s -globalopt -S | not grep internal +; RUN: opt < %s -globalopt -S | FileCheck %s -@G = internal global i32 123 ; <i32*> [#uses=1] +@G1 = internal global i32 123 ; <i32*> [#uses=1] -define void @foo() { - store i32 1, i32* @G +; CHECK-NOT: @G1 +; CHECK: @G2 +; CHECK-NOT: @G3 + +define void @foo1() { +; CHECK: define void @foo +; CHECK-NEXT: ret + store i32 1, i32* @G1 + ret void +} + +@G2 = linkonce_odr constant i32 42 + +define void @foo2() { +; CHECK: define void @foo2 +; CHECK-NEXT: store + store i32 1, i32* @G2 ret void } +@G3 = linkonce_odr constant i32 42 |