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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-05-06 02:07:24 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-05-06 02:07:24 +0000 |
| commit | c23753a53e5f159697491075cc6bd0b872455dd7 (patch) | |
| tree | ae7bc51135275c6fa4f7fe16d07fe0c6621c0e3b /llvm/test | |
| parent | c229a4fff4f5814e761fa6153408a3d28a0c539e (diff) | |
| download | bcm5719-llvm-c23753a53e5f159697491075cc6bd0b872455dd7.tar.gz bcm5719-llvm-c23753a53e5f159697491075cc6bd0b872455dd7.zip | |
Fix unchecked uses of DominatorTree in MemoryDependenceAnalysis.
Use unknown results for places where it would be needed
llvm-svn: 181176
Diffstat (limited to 'llvm/test')
3 files changed, 34 insertions, 0 deletions
diff --git a/llvm/test/Analysis/MemoryDependenceAnalysis/lit.local.cfg b/llvm/test/Analysis/MemoryDependenceAnalysis/lit.local.cfg new file mode 100644 index 00000000000..c6106e4746f --- /dev/null +++ b/llvm/test/Analysis/MemoryDependenceAnalysis/lit.local.cfg @@ -0,0 +1 @@ +config.suffixes = ['.ll'] diff --git a/llvm/test/Analysis/MemoryDependenceAnalysis/memdep_requires_dominator_tree.ll b/llvm/test/Analysis/MemoryDependenceAnalysis/memdep_requires_dominator_tree.ll new file mode 100644 index 00000000000..3c957708d70 --- /dev/null +++ b/llvm/test/Analysis/MemoryDependenceAnalysis/memdep_requires_dominator_tree.ll @@ -0,0 +1,19 @@ +; RUN: opt -memdep -gvn < %s + +define void @__memdep_requires_dominator_tree(i32* nocapture %bufUInt, i32* nocapture %pattern) nounwind { +entry: + br label %for.body + +for.exit: ; preds = %for.body + ret void + +for.body: ; preds = %for.body, %entry + %i.01 = phi i32 [ 0, %entry ], [ %tmp8.7, %for.body ] + %arrayidx = getelementptr i32* %bufUInt, i32 %i.01 + %arrayidx5 = getelementptr i32* %pattern, i32 %i.01 + %tmp6 = load i32* %arrayidx5, align 4 + store i32 %tmp6, i32* %arrayidx, align 4 + %tmp8.7 = add i32 %i.01, 8 + %cmp.7 = icmp ult i32 %tmp8.7, 1024 + br i1 %cmp.7, label %for.body, label %for.exit +} diff --git a/llvm/test/Transforms/GVN/unreachable_block_infinite_loop.ll b/llvm/test/Transforms/GVN/unreachable_block_infinite_loop.ll new file mode 100644 index 00000000000..fe335ced5c3 --- /dev/null +++ b/llvm/test/Transforms/GVN/unreachable_block_infinite_loop.ll @@ -0,0 +1,14 @@ +; RUN: opt -memdep -gvn -disable-output + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" +target triple = "x86_64-apple-darwin10.0" + +define i32 @test2() nounwind ssp { +entry: + ret i32 0 + +unreachable_block: + %a = add i32 %a, 1 + ret i32 %a +} + |
