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Diffstat (limited to 'llvm/test/Transforms/CalledValuePropagation/simple-arguments.ll')
-rw-r--r-- | llvm/test/Transforms/CalledValuePropagation/simple-arguments.ll | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/llvm/test/Transforms/CalledValuePropagation/simple-arguments.ll b/llvm/test/Transforms/CalledValuePropagation/simple-arguments.ll deleted file mode 100644 index 34274f3b348..00000000000 --- a/llvm/test/Transforms/CalledValuePropagation/simple-arguments.ll +++ /dev/null @@ -1,83 +0,0 @@ -; RUN: opt -called-value-propagation -S < %s | FileCheck %s - -target triple = "aarch64-unknown-linux-gnueabi" - - -; This test checks that we propagate the functions through arguments and attach -; !callees metadata to the call. Such metadata can enable optimizations of this -; code sequence. -; -; For example, the code below a illustrates a contrived sort-like algorithm -; that accepts a pointer to a comparison function. Since the indirect call to -; the comparison function has only two targets, the call can be promoted to two -; direct calls using an if-then-else. The loop can then be unswitched and the -; called functions inlined. This essentially produces two loops, once -; specialized for each comparison. -; -; CHECK: %tmp3 = call i1 %cmp(i64* %tmp1, i64* %tmp2), !callees ![[MD:[0-9]+]] -; CHECK: ![[MD]] = !{i1 (i64*, i64*)* @ugt, i1 (i64*, i64*)* @ule} -; -define void @test_argument(i64* %x, i64 %n, i1 %flag) { -entry: - %tmp0 = sub i64 %n, 1 - br i1 %flag, label %then, label %else - -then: - call void @arrange_data(i64* %x, i64 %tmp0, i1 (i64*, i64*)* @ugt) - br label %merge - -else: - call void @arrange_data(i64* %x, i64 %tmp0, i1 (i64*, i64*)* @ule) - br label %merge - -merge: - ret void -} - -define internal void @arrange_data(i64* %x, i64 %n, i1 (i64*, i64*)* %cmp) { -entry: - %tmp0 = icmp eq i64 %n, 1 - br i1 %tmp0, label %merge, label %for.body - -for.body: - %i = phi i64 [ 0, %entry ], [ %i.next, %cmp.false ] - %i.next = add nuw nsw i64 %i, 1 - %tmp1 = getelementptr inbounds i64, i64* %x, i64 %i - %tmp2 = getelementptr inbounds i64, i64* %x, i64 %i.next - %tmp3 = call i1 %cmp(i64* %tmp1, i64* %tmp2) - br i1 %tmp3, label %cmp.true, label %cmp.false - -cmp.true: - call void @swap(i64* %tmp1, i64* %tmp2) - br label %cmp.false - -cmp.false: - %cond = icmp slt i64 %i.next, %n - br i1 %cond, label %for.body, label %for.end - -for.end: - %tmp4 = sub i64 %n, 1 - call void @arrange_data(i64* %x, i64 %tmp4, i1 (i64*, i64*)* %cmp) - br label %merge - -merge: - ret void -} - -define internal i1 @ugt(i64* %a, i64* %b) { -entry: - %tmp0 = load i64, i64* %a - %tmp1 = load i64, i64* %b - %tmp2 = icmp ugt i64 %tmp0, %tmp1 - ret i1 %tmp2 -} - -define internal i1 @ule(i64* %a, i64* %b) { -entry: - %tmp0 = load i64, i64* %a - %tmp1 = load i64, i64* %b - %tmp2 = icmp ule i64 %tmp0, %tmp1 - ret i1 %tmp2 -} - -declare void @swap(i64*, i64*) |