diff options
Diffstat (limited to 'llvm/test/Transforms/LoopInterchange/loop-interchange-optimization-remarks.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopInterchange/loop-interchange-optimization-remarks.ll | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/llvm/test/Transforms/LoopInterchange/loop-interchange-optimization-remarks.ll b/llvm/test/Transforms/LoopInterchange/loop-interchange-optimization-remarks.ll deleted file mode 100644 index b19a4a4875b..00000000000 --- a/llvm/test/Transforms/LoopInterchange/loop-interchange-optimization-remarks.ll +++ /dev/null @@ -1,217 +0,0 @@ -; Test optimization remarks generated by the LoopInterchange pass. -; -; RUN: opt < %s -basicaa -loop-interchange -verify-dom-info -verify-loop-info \ -; RUN: -pass-remarks-output=%t -pass-remarks-missed='loop-interchange' \ -; RUN: -pass-remarks='loop-interchange' -S -; RUN: cat %t | FileCheck %s - -@A = common global [100 x [100 x i32]] zeroinitializer -@B = common global [100 x [100 x i32]] zeroinitializer -@C = common global [100 x i32] zeroinitializer - -;;---------------------------------------Test case 01--------------------------------- -;; Loops interchange is not profitable. -;; for(int i=1;i<N;i++) -;; for(int j=1;j<N;j++) -;; A[i-1][j-1] = A[i - 1][j-1] + B[i][j]; - -define void @test01(i32 %N){ -entry: - %cmp31 = icmp sgt i32 %N, 1 - br i1 %cmp31, label %for.cond1.preheader.lr.ph, label %for.end19 - -for.cond1.preheader.lr.ph: - %0 = add i32 %N, -1 - br label %for.body3.lr.ph - -for.body3.lr.ph: - %indvars.iv34 = phi i64 [ 1, %for.cond1.preheader.lr.ph ], [ %indvars.iv.next35, %for.inc17 ] - %1 = add nsw i64 %indvars.iv34, -1 - br label %for.body3 - -for.body3: - %indvars.iv = phi i64 [ 1, %for.body3.lr.ph ], [ %indvars.iv.next, %for.body3 ] - %2 = add nsw i64 %indvars.iv, -1 - %arrayidx6 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %1, i64 %2 - %3 = load i32, i32* %arrayidx6 - %arrayidx10 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @B, i64 0, i64 %indvars.iv34, i64 %indvars.iv - %4 = load i32, i32* %arrayidx10 - %add = add nsw i32 %4, %3 - store i32 %add, i32* %arrayidx6 - %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 - %lftr.wideiv = trunc i64 %indvars.iv to i32 - %exitcond = icmp eq i32 %lftr.wideiv, %0 - br i1 %exitcond, label %for.inc17, label %for.body3 - -for.inc17: - %indvars.iv.next35 = add nuw nsw i64 %indvars.iv34, 1 - %lftr.wideiv37 = trunc i64 %indvars.iv34 to i32 - %exitcond38 = icmp eq i32 %lftr.wideiv37, %0 - br i1 %exitcond38, label %for.end19, label %for.body3.lr.ph - -for.end19: - ret void -} - -; CHECK: --- !Missed -; CHECK-NEXT: Pass: loop-interchange -; CHECK-NEXT: Name: Dependence -; CHECK-NEXT: Function: test01 -; CHECK-NEXT: Args: -; CHECK-NEXT: - String: Cannot interchange loops due to dependences. -; CHECK-NEXT: ... - -;;--------------------------------------Test case 02------------------------------------ -;; [FIXME] This loop though valid is currently not interchanged due to the -;; limitation that we cannot split the inner loop latch due to multiple use of inner induction -;; variable.(used to increment the loop counter and to access A[j+1][i+1] -;; for(int i=0;i<N-1;i++) -;; for(int j=1;j<N-1;j++) -;; A[j+1][i+1] = A[j+1][i+1] + k; - -define void @test02(i32 %k, i32 %N) { - entry: - %sub = add nsw i32 %N, -1 - %cmp26 = icmp sgt i32 %N, 1 - br i1 %cmp26, label %for.cond1.preheader.lr.ph, label %for.end17 - - for.cond1.preheader.lr.ph: - %cmp324 = icmp sgt i32 %sub, 1 - %0 = add i32 %N, -2 - %1 = sext i32 %sub to i64 - br label %for.cond1.preheader - - for.cond.loopexit: - %cmp = icmp slt i64 %indvars.iv.next29, %1 - br i1 %cmp, label %for.cond1.preheader, label %for.end17 - - for.cond1.preheader: - %indvars.iv28 = phi i64 [ 0, %for.cond1.preheader.lr.ph ], [ %indvars.iv.next29, %for.cond.loopexit ] - %indvars.iv.next29 = add nuw nsw i64 %indvars.iv28, 1 - br i1 %cmp324, label %for.body4, label %for.cond.loopexit - - for.body4: - %indvars.iv = phi i64 [ %indvars.iv.next, %for.body4 ], [ 1, %for.cond1.preheader ] - %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 - %arrayidx7 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv.next, i64 %indvars.iv.next29 - %2 = load i32, i32* %arrayidx7 - %add8 = add nsw i32 %2, %k - store i32 %add8, i32* %arrayidx7 - %lftr.wideiv = trunc i64 %indvars.iv to i32 - %exitcond = icmp eq i32 %lftr.wideiv, %0 - br i1 %exitcond, label %for.cond.loopexit, label %for.body4 - - for.end17: - ret void -} - -; CHECK: --- !Missed -; CHECK-NEXT: Pass: loop-interchange -; CHECK-NEXT: Name: Dependence -; CHECK-NEXT: Function: test02 -; CHECK-NEXT: Args: -; CHECK-NEXT: - String: Cannot interchange loops due to dependences. -; CHECK-NEXT: ... - -;;-----------------------------------Test case 03------------------------------- -;; Test to make sure we can handle output dependencies. -;; -;; for (int i = 0; i < 2; ++i) -;; for(int j = 0; j < 3; ++j) { -;; A[j][i] = i; -;; A[j][i+1] = j; -;; } - -@A10 = local_unnamed_addr global [3 x [3 x i32]] zeroinitializer, align 16 - -define void @test03() { -entry: - br label %for.cond1.preheader - -for.cond.loopexit: ; preds = %for.body4 - %exitcond28 = icmp ne i64 %indvars.iv.next27, 2 - br i1 %exitcond28, label %for.cond1.preheader, label %for.cond.cleanup - -for.cond1.preheader: ; preds = %for.cond.loopexit, %entry - %indvars.iv26 = phi i64 [ 0, %entry ], [ %indvars.iv.next27, %for.cond.loopexit ] - %indvars.iv.next27 = add nuw nsw i64 %indvars.iv26, 1 - br label %for.body4 - -for.cond.cleanup: ; preds = %for.cond.loopexit - ret void - -for.body4: ; preds = %for.body4, %for.cond1.preheader - %indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.body4 ] - %arrayidx6 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* @A10, i64 0, i64 %indvars.iv, i64 %indvars.iv26 - %tmp = trunc i64 %indvars.iv26 to i32 - store i32 %tmp, i32* %arrayidx6, align 4 - %arrayidx10 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* @A10, i64 0, i64 %indvars.iv, i64 %indvars.iv.next27 - %tmp1 = trunc i64 %indvars.iv to i32 - store i32 %tmp1, i32* %arrayidx10, align 4 - %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 - %exitcond = icmp ne i64 %indvars.iv.next, 3 - br i1 %exitcond, label %for.body4, label %for.cond.loopexit -} - -; CHECK: --- !Missed -; CHECK-NEXT: Pass: loop-interchange -; CHECK-NEXT: Name: Dependence -; CHECK-NEXT: Function: test03 -; CHECK-NEXT: Args: -; CHECK-NEXT: - String: Cannot interchange loops due to dependences. -; CHECK-NEXT: ... - -;;--------------------------------------Test case 04------------------------------------- -;; Loops not tightly nested are not interchanged -;; for(int j=0;j<N;j++) { -;; B[j] = j+k; -;; for(int i=0;i<N;i++) -;; A[j][i] = A[j][i]+B[j]; -;; } - -define void @test04(i32 %k, i32 %N){ -entry: - %cmp30 = icmp sgt i32 %N, 0 - br i1 %cmp30, label %for.body.lr.ph, label %for.end17 - -for.body.lr.ph: - %0 = add i32 %N, -1 - %1 = zext i32 %k to i64 - br label %for.body - -for.body: - %indvars.iv32 = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next33, %for.inc15 ] - %2 = add nsw i64 %indvars.iv32, %1 - %arrayidx = getelementptr inbounds [100 x i32], [100 x i32]* @C, i64 0, i64 %indvars.iv32 - %3 = trunc i64 %2 to i32 - store i32 %3, i32* %arrayidx - br label %for.body3 - -for.body3: - %indvars.iv = phi i64 [ 0, %for.body ], [ %indvars.iv.next, %for.body3 ] - %arrayidx7 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv32, i64 %indvars.iv - %4 = load i32, i32* %arrayidx7 - %add10 = add nsw i32 %3, %4 - store i32 %add10, i32* %arrayidx7 - %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 - %lftr.wideiv = trunc i64 %indvars.iv to i32 - %exitcond = icmp eq i32 %lftr.wideiv, %0 - br i1 %exitcond, label %for.inc15, label %for.body3 - -for.inc15: - %indvars.iv.next33 = add nuw nsw i64 %indvars.iv32, 1 - %lftr.wideiv35 = trunc i64 %indvars.iv32 to i32 - %exitcond36 = icmp eq i32 %lftr.wideiv35, %0 - br i1 %exitcond36, label %for.end17, label %for.body - -for.end17: - ret void -} - -; CHECK: --- !Missed -; CHECK-NEXT: Pass: loop-interchange -; CHECK-NEXT: Name: Dependence -; CHECK-NEXT: Function: test04 -; CHECK-NEXT: Args: -; CHECK-NEXT: - String: Cannot interchange loops due to dependences. -; CHECK-NEXT: ... |
