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Diffstat (limited to 'llvm/test/Transforms/SimplifyCFG/PhiBlockMerge.ll')
-rw-r--r-- | llvm/test/Transforms/SimplifyCFG/PhiBlockMerge.ll | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/PhiBlockMerge.ll b/llvm/test/Transforms/SimplifyCFG/PhiBlockMerge.ll deleted file mode 100644 index 85b98706018..00000000000 --- a/llvm/test/Transforms/SimplifyCFG/PhiBlockMerge.ll +++ /dev/null @@ -1,29 +0,0 @@ -; NOTE: Assertions have been autogenerated by update_test_checks.py -; Test merging of blocks that only have PHI nodes in them -; -; RUN: opt < %s -simplifycfg -S | FileCheck %s -; - -define i32 @test(i1 %a, i1 %b) { -; CHECK-LABEL: @test( -; CHECK: M: -; CHECK-NEXT: [[DOT:%.*]] = select i1 %b, i32 0, i32 1 -; CHECK-NEXT: [[W:%.*]] = select i1 %a, i32 2, i32 [[DOT]] -; CHECK-NEXT: [[R:%.*]] = add i32 [[W]], 1 -; CHECK-NEXT: ret i32 [[R]] -; - br i1 %a, label %M, label %O -O: ; preds = %0 - br i1 %b, label %N, label %Q -Q: ; preds = %O - br label %N -N: ; preds = %Q, %O - ; This block should be foldable into M - %Wp = phi i32 [ 0, %O ], [ 1, %Q ] ; <i32> [#uses=1] - br label %M -M: ; preds = %N, %0 - %W = phi i32 [ %Wp, %N ], [ 2, %0 ] ; <i32> [#uses=1] - %R = add i32 %W, 1 ; <i32> [#uses=1] - ret i32 %R -} - |