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Diffstat (limited to 'llvm/test/Transforms/CalledValuePropagation/simple-memory.ll')
-rw-r--r-- | llvm/test/Transforms/CalledValuePropagation/simple-memory.ll | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/llvm/test/Transforms/CalledValuePropagation/simple-memory.ll b/llvm/test/Transforms/CalledValuePropagation/simple-memory.ll deleted file mode 100644 index e42f10c1436..00000000000 --- a/llvm/test/Transforms/CalledValuePropagation/simple-memory.ll +++ /dev/null @@ -1,62 +0,0 @@ -; RUN: opt -called-value-propagation -S < %s | FileCheck %s - -target triple = "aarch64-unknown-linux-gnueabi" - -@global_function = internal unnamed_addr global void ()* null, align 8 -@global_array = common unnamed_addr global i64* null, align 8 - -; This test checks that we propagate the functions through an internal global -; variable, and attach !callees metadata to the call. Such metadata can enable -; optimizations of this code sequence. -; -; For example, since both of the targeted functions have the "nounwind" and -; "readnone" function attributes, LICM can be made to move the call and the -; function pointer load outside the loop. This would then enable the loop -; vectorizer to vectorize the sum reduction. -; -; CHECK: call void %tmp0(), !callees ![[MD:[0-9]+]] -; CHECK: ![[MD]] = !{void ()* @invariant_1, void ()* @invariant_2} -; -define i64 @test_memory_entry(i64 %n, i1 %flag) { -entry: - br i1 %flag, label %then, label %else - -then: - store void ()* @invariant_1, void ()** @global_function - br label %merge - -else: - store void ()* @invariant_2, void ()** @global_function - br label %merge - -merge: - %tmp1 = call i64 @test_memory(i64 %n) - ret i64 %tmp1 -} - -define internal i64 @test_memory(i64 %n) { -entry: - %array = load i64*, i64** @global_array - br label %for.body - -for.body: - %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] - %r = phi i64 [ 0, %entry ], [ %tmp3, %for.body ] - %tmp0 = load void ()*, void ()** @global_function - call void %tmp0() - %tmp1 = getelementptr inbounds i64, i64* %array, i64 %i - %tmp2 = load i64, i64* %tmp1 - %tmp3 = add i64 %tmp2, %r - %i.next = add nuw nsw i64 %i, 1 - %cond = icmp slt i64 %i.next, %n - br i1 %cond, label %for.body, label %for.end - -for.end: - %tmp4 = phi i64 [ %tmp3, %for.body ] - ret i64 %tmp4 -} - -declare void @invariant_1() #0 -declare void @invariant_2() #0 - -attributes #0 = { nounwind readnone } |