diff options
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/scev-exit-phi-invalidation.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/scev-exit-phi-invalidation.ll | 49 |
1 files changed, 19 insertions, 30 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/scev-exit-phi-invalidation.ll b/llvm/test/Transforms/LoopVectorize/scev-exit-phi-invalidation.ll index a43ea07d0c7a..c7b27040d648 100644 --- a/llvm/test/Transforms/LoopVectorize/scev-exit-phi-invalidation.ll +++ b/llvm/test/Transforms/LoopVectorize/scev-exit-phi-invalidation.ll @@ -19,60 +19,49 @@ define void @test_pr63368(i1 %c, ptr %A) { ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i32 [[INDEX_NEXT]], 100 ; CHECK-NEXT: br i1 [[TMP1]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; CHECK: middle.block: +; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP0]], [[VECTOR_BODY]] ] ; CHECK-NEXT: br label [[EXIT_1:%.*]] -; CHECK: scalar.ph: -; CHECK-NEXT: br label [[LOOP_1_HEADER:%.*]] -; CHECK: loop.1.header: -; CHECK-NEXT: [[IV_1:%.*]] = phi i32 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_1_NEXT:%.*]], [[LOOP_1_LATCH:%.*]] ] -; CHECK-NEXT: [[L:%.*]] = load i32, ptr [[A]], align 4 -; CHECK-NEXT: br i1 [[C]], label [[LOOP_1_LATCH]], label [[LOOP_1_LATCH]] -; CHECK: loop.1.latch: -; CHECK-NEXT: [[L_LCSSA:%.*]] = phi i32 [ [[L]], [[LOOP_1_HEADER]] ], [ [[L]], [[LOOP_1_HEADER]] ] -; CHECK-NEXT: [[IV_1_NEXT]] = add nuw nsw i32 [[IV_1]], 1 -; CHECK-NEXT: [[EC_1:%.*]] = icmp eq i32 [[IV_1_NEXT]], 100 -; CHECK-NEXT: br i1 [[EC_1]], label [[EXIT_1]], label [[LOOP_1_HEADER]] ; CHECK: exit.1: -; CHECK-NEXT: [[L_LCSSA_LCSSA:%.*]] = phi i32 [ [[L_LCSSA]], [[LOOP_1_LATCH]] ], [ [[TMP0]], [[MIDDLE_BLOCK]] ] -; CHECK-NEXT: [[SMAX1:%.*]] = call i32 @llvm.smax.i32(i32 [[L_LCSSA_LCSSA]], i32 -1) +; CHECK-NEXT: [[SMAX1:%.*]] = call i32 @llvm.smax.i32(i32 [[DOTLCSSA]], i32 -1) ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[SMAX1]], 2 ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP2]], 4 -; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH2:%.*]], label [[VECTOR_SCEVCHECK:%.*]] +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]] ; CHECK: vector.scevcheck: -; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[L_LCSSA_LCSSA]], i32 -1) +; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 poison, i32 -1) ; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[SMAX]], 1 ; CHECK-NEXT: [[TMP4:%.*]] = trunc i32 [[TMP3]] to i8 ; CHECK-NEXT: [[TMP5:%.*]] = add i8 1, [[TMP4]] ; CHECK-NEXT: [[TMP6:%.*]] = icmp slt i8 [[TMP5]], 1 ; CHECK-NEXT: [[TMP7:%.*]] = icmp ugt i32 [[TMP3]], 255 ; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]] -; CHECK-NEXT: br i1 [[TMP8]], label [[SCALAR_PH2]], label [[VECTOR_PH3:%.*]] -; CHECK: vector.ph3: +; CHECK-NEXT: br i1 [[TMP8]], label [[SCALAR_PH]], label [[VECTOR_PH2:%.*]] +; CHECK: vector.ph2: ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP2]], 4 ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP2]], [[N_MOD_VF]] ; CHECK-NEXT: [[TMP9:%.*]] = trunc i32 [[N_VEC]] to i8 -; CHECK-NEXT: br label [[VECTOR_BODY4:%.*]] -; CHECK: vector.body4: -; CHECK-NEXT: [[INDEX5:%.*]] = phi i32 [ 0, [[VECTOR_PH3]] ], [ [[INDEX_NEXT6:%.*]], [[VECTOR_BODY4]] ] -; CHECK-NEXT: [[OFFSET_IDX:%.*]] = trunc i32 [[INDEX5]] to i8 +; CHECK-NEXT: br label [[VECTOR_BODY3:%.*]] +; CHECK: vector.body3: +; CHECK-NEXT: [[INDEX4:%.*]] = phi i32 [ 0, [[VECTOR_PH2]] ], [ [[INDEX_NEXT5:%.*]], [[VECTOR_BODY3]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = trunc i32 [[INDEX4]] to i8 ; CHECK-NEXT: [[TMP10:%.*]] = add i8 [[OFFSET_IDX]], 1 ; CHECK-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[A]], i8 [[TMP10]] ; CHECK-NEXT: store <4 x i8> zeroinitializer, ptr [[TMP11]], align 1 -; CHECK-NEXT: [[INDEX_NEXT6]] = add nuw i32 [[INDEX5]], 4 -; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i32 [[INDEX_NEXT6]], [[N_VEC]] -; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK7:%.*]], label [[VECTOR_BODY4]], !llvm.loop [[LOOP3:![0-9]+]] -; CHECK: middle.block7: +; CHECK-NEXT: [[INDEX_NEXT5]] = add nuw i32 [[INDEX4]], 4 +; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i32 [[INDEX_NEXT5]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK6:%.*]], label [[VECTOR_BODY3]], !llvm.loop [[LOOP3:![0-9]+]] +; CHECK: middle.block6: ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP2]], [[N_VEC]] -; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT_2:%.*]], label [[SCALAR_PH2]] -; CHECK: scalar.ph2: -; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[TMP9]], [[MIDDLE_BLOCK7]] ], [ 0, [[EXIT_1]] ], [ 0, [[VECTOR_SCEVCHECK]] ] +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT_2:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[TMP9]], [[MIDDLE_BLOCK6]] ], [ 0, [[EXIT_1]] ], [ 0, [[VECTOR_SCEVCHECK]] ] ; CHECK-NEXT: br label [[LOOP_2:%.*]] ; CHECK: loop.2: -; CHECK-NEXT: [[IV_2:%.*]] = phi i8 [ [[BC_RESUME_VAL]], [[SCALAR_PH2]] ], [ [[IV_2_NEXT:%.*]], [[LOOP_2]] ] +; CHECK-NEXT: [[IV_2:%.*]] = phi i8 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], [[LOOP_2]] ] ; CHECK-NEXT: [[IV_2_NEXT]] = add i8 [[IV_2]], 1 ; CHECK-NEXT: [[GEP_A:%.*]] = getelementptr i8, ptr [[A]], i8 [[IV_2_NEXT]] ; CHECK-NEXT: store i8 0, ptr [[GEP_A]], align 1 ; CHECK-NEXT: [[IV_2_SEXT:%.*]] = sext i8 [[IV_2]] to i32 -; CHECK-NEXT: [[EC_2:%.*]] = icmp sge i32 [[L_LCSSA_LCSSA]], [[IV_2_SEXT]] +; CHECK-NEXT: [[EC_2:%.*]] = icmp sge i32 [[DOTLCSSA]], [[IV_2_SEXT]] ; CHECK-NEXT: br i1 [[EC_2]], label [[LOOP_2]], label [[EXIT_2]], !llvm.loop [[LOOP4:![0-9]+]] ; CHECK: exit.2: ; CHECK-NEXT: ret void |