diff options
Diffstat (limited to 'test/Transforms/LoopStrengthReduce/share_code_in_preheader.ll')
| -rw-r--r-- | test/Transforms/LoopStrengthReduce/share_code_in_preheader.ll | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/test/Transforms/LoopStrengthReduce/share_code_in_preheader.ll b/test/Transforms/LoopStrengthReduce/share_code_in_preheader.ll index 27c72d2..a78fa5f 100644 --- a/test/Transforms/LoopStrengthReduce/share_code_in_preheader.ll +++ b/test/Transforms/LoopStrengthReduce/share_code_in_preheader.ll @@ -1,28 +1,27 @@ -; RUN: llvm-upgrade < %s | llvm-as | opt -loop-reduce | llvm-dis | grep mul | count 1 +; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | grep mul | count 1 ; LSR should not make two copies of the Q*L expression in the preheader! -sbyte %test(sbyte* %A, sbyte* %B, int %L, int %Q, int %N.s) { +define i8 @test(i8* %A, i8* %B, i32 %L, i32 %Q, i32 %N.s) { entry: - %tmp.6 = mul int %Q, %L ; <int> [#uses=1] - %N = cast int %N.s to uint ; <uint> [#uses=1] + %tmp.6 = mul i32 %Q, %L ; <i32> [#uses=1] + %N = bitcast i32 %N.s to i32 ; <i32> [#uses=1] br label %no_exit - -no_exit: ; preds = %no_exit, %no_exit.preheader - %indvar.ui = phi uint [ 0, %entry], [ %indvar.next, %no_exit ] ; <uint> [#uses=2] - %Sum.0.0 = phi sbyte [ 0, %entry], [ %tmp.21, %no_exit ] ; <sbyte> [#uses=1] - %indvar = cast uint %indvar.ui to int ; <int> [#uses=1] - %N_addr.0.0 = sub int %N.s, %indvar ; <int> [#uses=1] - %tmp.8 = add int %N_addr.0.0, %tmp.6 ; <int> [#uses=2] - %tmp.9 = getelementptr sbyte* %A, int %tmp.8 ; <sbyte*> [#uses=1] - %tmp.10 = load sbyte* %tmp.9 ; <sbyte> [#uses=1] - %tmp.17 = getelementptr sbyte* %B, int %tmp.8 ; <sbyte*> [#uses=1] - %tmp.18 = load sbyte* %tmp.17 ; <sbyte> [#uses=1] - %tmp.19 = sub sbyte %tmp.10, %tmp.18 ; <sbyte> [#uses=1] - %tmp.21 = add sbyte %tmp.19, %Sum.0.0 ; <sbyte> [#uses=2] - %indvar.next = add uint %indvar.ui, 1 ; <uint> [#uses=2] - %exitcond = seteq uint %indvar.next, %N ; <bool> [#uses=1] - br bool %exitcond, label %loopexit, label %no_exit - -loopexit: - ret sbyte %tmp.21 +no_exit: ; preds = %no_exit, %entry + %indvar.ui = phi i32 [ 0, %entry ], [ %indvar.next, %no_exit ] ; <i32> [#uses=2] + %Sum.0.0 = phi i8 [ 0, %entry ], [ %tmp.21, %no_exit ] ; <i8> [#uses=1] + %indvar = bitcast i32 %indvar.ui to i32 ; <i32> [#uses=1] + %N_addr.0.0 = sub i32 %N.s, %indvar ; <i32> [#uses=1] + %tmp.8 = add i32 %N_addr.0.0, %tmp.6 ; <i32> [#uses=2] + %tmp.9 = getelementptr i8* %A, i32 %tmp.8 ; <i8*> [#uses=1] + %tmp.10 = load i8* %tmp.9 ; <i8> [#uses=1] + %tmp.17 = getelementptr i8* %B, i32 %tmp.8 ; <i8*> [#uses=1] + %tmp.18 = load i8* %tmp.17 ; <i8> [#uses=1] + %tmp.19 = sub i8 %tmp.10, %tmp.18 ; <i8> [#uses=1] + %tmp.21 = add i8 %tmp.19, %Sum.0.0 ; <i8> [#uses=2] + %indvar.next = add i32 %indvar.ui, 1 ; <i32> [#uses=2] + %exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1] + br i1 %exitcond, label %loopexit, label %no_exit +loopexit: ; preds = %no_exit + ret i8 %tmp.21 } + |