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| author | Pete Cooper <peter_cooper@apple.com> | 2011-11-08 19:30:00 +0000 |
|---|---|---|
| committer | Pete Cooper <peter_cooper@apple.com> | 2011-11-08 19:30:00 +0000 |
| commit | 2d76a7846200fcbe518e6f73291a6cbda8864ea0 (patch) | |
| tree | 46b5600dc47195898de1d3dc12ff7beb87c50567 /test/Transforms/LICM | |
| parent | 67a917d495d38004e3a4a134eec81b312a71a164 (diff) | |
| download | external_llvm-2d76a7846200fcbe518e6f73291a6cbda8864ea0.zip external_llvm-2d76a7846200fcbe518e6f73291a6cbda8864ea0.tar.gz external_llvm-2d76a7846200fcbe518e6f73291a6cbda8864ea0.tar.bz2 | |
LICM pass now understands invariant load metadata. Nothing generates this yet so it will currently never get used in real tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144107 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/LICM')
| -rw-r--r-- | test/Transforms/LICM/hoist-invariant-load.ll | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test/Transforms/LICM/hoist-invariant-load.ll b/test/Transforms/LICM/hoist-invariant-load.ll new file mode 100644 index 0000000..4e100d3 --- /dev/null +++ b/test/Transforms/LICM/hoist-invariant-load.ll @@ -0,0 +1,39 @@ +; RUN: opt < %s -licm -stats -S |& grep "1 licm" + +@"\01L_OBJC_METH_VAR_NAME_" = internal global [4 x i8] c"foo\00", section "__TEXT,__objc_methname,cstring_literals", align 1 +@"\01L_OBJC_SELECTOR_REFERENCES_" = internal global i8* getelementptr inbounds ([4 x i8]* @"\01L_OBJC_METH_VAR_NAME_", i32 0, i32 0), section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip" +@"\01L_OBJC_IMAGE_INFO" = internal constant [2 x i32] [i32 0, i32 16], section "__DATA, __objc_imageinfo, regular, no_dead_strip" +@llvm.used = appending global [3 x i8*] [i8* getelementptr inbounds ([4 x i8]* @"\01L_OBJC_METH_VAR_NAME_", i32 0, i32 0), i8* bitcast (i8** @"\01L_OBJC_SELECTOR_REFERENCES_" to i8*), i8* bitcast ([2 x i32]* @"\01L_OBJC_IMAGE_INFO" to i8*)], section "llvm.metadata" + +define void @test(i8* %x) uwtable ssp { +entry: + %x.addr = alloca i8*, align 8 + %i = alloca i32, align 4 + store i8* %x, i8** %x.addr, align 8 + store i32 0, i32* %i, align 4 + br label %for.cond + +for.cond: ; preds = %for.inc, %entry + %0 = load i32* %i, align 4 + %cmp = icmp ult i32 %0, 10000 + br i1 %cmp, label %for.body, label %for.end + +for.body: ; preds = %for.cond + %1 = load i8** %x.addr, align 8 + %2 = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_", !invariant.load !0 + %call = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)(i8* %1, i8* %2) + br label %for.inc + +for.inc: ; preds = %for.body + %3 = load i32* %i, align 4 + %inc = add i32 %3, 1 + store i32 %inc, i32* %i, align 4 + br label %for.cond + +for.end: ; preds = %for.cond + ret void +} + +declare i8* @objc_msgSend(i8*, i8*, ...) nonlazybind + +!0 = metadata !{} |