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author | Chris Lattner <sabre@nondot.org> | 2010-02-12 18:17:23 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-02-12 18:17:23 +0000 |
commit | c3b6ffc431bbf01f615c6695a0dc1b9368102cad (patch) | |
tree | 35c30443f188f65f61d9345ee9ff82309370790a /test/Transforms/ConstantMerge | |
parent | 4b2657a404b58e193f84ae7c38ea6ba705d5071d (diff) | |
download | external_llvm-c3b6ffc431bbf01f615c6695a0dc1b9368102cad.zip external_llvm-c3b6ffc431bbf01f615c6695a0dc1b9368102cad.tar.gz external_llvm-c3b6ffc431bbf01f615c6695a0dc1b9368102cad.tar.bz2 |
1. modernize the constantmerge pass, using densemap/smallvector.
2. don't bother trying to merge globals in non-default sections,
doing so is quite dubious at best anyway.
3. fix a bug reported by Arnaud de Grandmaison where we'd try to
merge two globals in different address spaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95995 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/ConstantMerge')
-rw-r--r-- | test/Transforms/ConstantMerge/dont-merge.ll | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/test/Transforms/ConstantMerge/dont-merge.ll b/test/Transforms/ConstantMerge/dont-merge.ll index cea18a0..877cf8d 100644 --- a/test/Transforms/ConstantMerge/dont-merge.ll +++ b/test/Transforms/ConstantMerge/dont-merge.ll @@ -1,16 +1,30 @@ -; RUN: opt < %s -constmerge -S | grep foo -; RUN: opt < %s -constmerge -S | grep bar +; RUN: opt < %s -constmerge -S | FileCheck %s -; Don't merge constants in different sections. +; Don't merge constants with specified sections. -@G1 = internal constant i32 1, section "foo" ; <i32*> [#uses=1] -@G2 = internal constant i32 1, section "bar" ; <i32*> [#uses=1] -@G3 = internal constant i32 1, section "bar" ; <i32*> [#uses=1] +@T1G1 = internal constant i32 1, section "foo" +@T1G2 = internal constant i32 1, section "bar" +@T1G3 = internal constant i32 1, section "bar" -define void @test(i32** %P1, i32** %P2, i32** %P3) { - store i32* @G1, i32** %P1 - store i32* @G2, i32** %P2 - store i32* @G3, i32** %P3 +; CHECK: @T1G1 +; CHECK: @T1G2 +; CHECK: @T1G3 + +define void @test1(i32** %P1, i32** %P2, i32** %P3) { + store i32* @T1G1, i32** %P1 + store i32* @T1G2, i32** %P2 + store i32* @T1G3, i32** %P3 ret void } +@T2a = internal constant i32 224 +@T2b = internal addrspace(30) constant i32 224 + +; CHECK: @T2a +; CHECK: @T2b + +define void @test2(i32** %P1, i32 addrspace(30)** %P2) { + store i32* @T2a, i32** %P1 + store i32 addrspace(30)* @T2b, i32 addrspace(30)** %P2 + ret void +} |