diff options
Diffstat (limited to 'llvm/test/Transforms/LoopUnswitch/unswitch-equality-undef.ll')
-rw-r--r-- | llvm/test/Transforms/LoopUnswitch/unswitch-equality-undef.ll | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/llvm/test/Transforms/LoopUnswitch/unswitch-equality-undef.ll b/llvm/test/Transforms/LoopUnswitch/unswitch-equality-undef.ll deleted file mode 100644 index c6b49c7281d..00000000000 --- a/llvm/test/Transforms/LoopUnswitch/unswitch-equality-undef.ll +++ /dev/null @@ -1,122 +0,0 @@ -; REQUIRES: asserts -; RUN: opt < %s -instcombine -licm -loop-unswitch -loop-unswitch-threshold=1000 -enable-mssa-loop-dependency=true -verify-memoryssa -disable-output -stats 2>&1| FileCheck %s -; Check no loop unswitch is done because unswitching of equality expr with -; undef is unsafe before the freeze patch is committed. -; CHECK-NOT: Number of branches unswitched - -define void @ham(i64 %arg) local_unnamed_addr { -bb: - %tmp = icmp eq i64 %arg, 0 - br i1 %tmp, label %bb3, label %bb1 - -bb1: ; preds = %bb - %tmp2 = load volatile i64, i64* @global, align 8 - br label %bb3 - -bb3: ; preds = %bb1, %bb - %tmp4 = phi i64 [ %tmp2, %bb1 ], [ undef, %bb ] - %tmp5 = load i64, i64* @global.1, align 8 - br label %bb6 - -bb6: ; preds = %bb21, %bb3 - %tmp7 = phi i64 [ 3, %bb21 ], [ %tmp5, %bb3 ] - %tmp8 = phi i64 [ %tmp25, %bb21 ], [ 0, %bb3 ] - %tmp9 = icmp eq i64 %tmp7, %arg - br i1 %tmp9, label %bb10, label %bb28 - -bb10: ; preds = %bb6 - %tmp11 = icmp eq i64 %tmp7, 0 - br i1 %tmp11, label %bb21, label %bb12 - -bb12: ; preds = %bb10 - %tmp13 = load i64, i64* @global.2, align 8 - %tmp14 = add nsw i64 %tmp13, 1 - store i64 %tmp14, i64* @global.2, align 8 - %tmp15 = load i64, i64* @global.3, align 8 - %tmp16 = icmp eq i64 %tmp15, %tmp4 - br i1 %tmp16, label %bb17, label %bb21 - -bb17: ; preds = %bb12 - %tmp18 = phi i64 [ %tmp15, %bb12 ] - %tmp19 = load i64, i64* @global.4, align 8 - %tmp20 = add nsw i64 %tmp19, %tmp18 - store i64 %tmp20, i64* @global.5, align 8 - br label %bb29 - -bb21: ; preds = %bb12, %bb10 - %tmp22 = load i64, i64* @global.3, align 8 - %tmp23 = load volatile i64, i64* @global, align 8 - %tmp24 = add nsw i64 %tmp23, %tmp22 - store i64 %tmp24, i64* @global.5, align 8 - store i64 3, i64* @global.1, align 8 - %tmp25 = add nsw i64 %tmp8, 1 - %tmp26 = load i64, i64* @global.6, align 8 - %tmp27 = icmp slt i64 %tmp25, %tmp26 - br i1 %tmp27, label %bb6, label %bb28 - -bb28: ; preds = %bb21, %bb6 - br label %bb29 - -bb29: ; preds = %bb28, %bb17 - ret void -} - -define void @zot(i64 %arg, i64 %arg1) local_unnamed_addr { -bb: - %tmp = icmp eq i64 %arg, 0 - %tmp2 = select i1 %tmp, i64 %arg1, i64 undef - %tmp3 = load i64, i64* @global.1, align 8 - br label %bb4 - -bb4: ; preds = %bb19, %bb - %tmp5 = phi i64 [ 3, %bb19 ], [ %tmp3, %bb ] - %tmp6 = phi i64 [ %tmp23, %bb19 ], [ 0, %bb ] - %tmp7 = icmp eq i64 %tmp5, %arg - br i1 %tmp7, label %bb8, label %bb26 - -bb8: ; preds = %bb4 - %tmp9 = icmp eq i64 %tmp5, 0 - br i1 %tmp9, label %bb19, label %bb10 - -bb10: ; preds = %bb8 - %tmp11 = load i64, i64* @global.2, align 8 - %tmp12 = add nsw i64 %tmp11, 1 - store i64 %tmp12, i64* @global.2, align 8 - %tmp13 = load i64, i64* @global.3, align 8 - %tmp14 = icmp eq i64 %tmp13, %tmp2 - br i1 %tmp14, label %bb15, label %bb19 - -bb15: ; preds = %bb10 - %tmp16 = phi i64 [ %tmp13, %bb10 ] - %tmp17 = load i64, i64* @global.4, align 8 - %tmp18 = add nsw i64 %tmp17, %tmp16 - store i64 %tmp18, i64* @global.5, align 8 - br label %bb27 - -bb19: ; preds = %bb10, %bb8 - %tmp20 = load i64, i64* @global.3, align 8 - %tmp21 = load volatile i64, i64* @global, align 8 - %tmp22 = add nsw i64 %tmp21, %tmp20 - store i64 %tmp22, i64* @global.5, align 8 - store i64 3, i64* @global.1, align 8 - %tmp23 = add nsw i64 %tmp6, 1 - %tmp24 = load i64, i64* @global.6, align 8 - %tmp25 = icmp slt i64 %tmp23, %tmp24 - br i1 %tmp25, label %bb4, label %bb26 - -bb26: ; preds = %bb19, %bb4 - br label %bb27 - -bb27: ; preds = %bb26, %bb15 - ret void -} - -@global = common global i64 0, align 8 -@global.1 = common global i64 0, align 8 -@global.2 = common global i64 0, align 8 -@global.3 = common global i64 0, align 8 -@global.4 = common global i64 0, align 8 -@global.5 = common global i64 0, align 8 -@global.6 = common global i64 0, align 8 - - |