| ; RUN: opt -S -mtriple=x86_64-pc-linux-gnu -mcpu=generic -slp-vectorizer -pass-remarks-output=%t < %s | FileCheck %s |
| ; RUN: FileCheck --input-file=%t --check-prefix=YAML %s |
| |
| define i32 @foo(i32* nocapture readonly %diff) #0 { |
| entry: |
| %m2 = alloca [8 x [8 x i32]], align 16 |
| %0 = bitcast [8 x [8 x i32]]* %m2 to i8* |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %entry |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %a.088 = phi i32 [ 0, %entry ], [ %add24, %for.body ] |
| %1 = shl i64 %indvars.iv, 3 |
| %arrayidx = getelementptr inbounds i32, i32* %diff, i64 %1 |
| %2 = load i32, i32* %arrayidx, align 4 |
| %3 = or i64 %1, 4 |
| %arrayidx2 = getelementptr inbounds i32, i32* %diff, i64 %3 |
| %4 = load i32, i32* %arrayidx2, align 4 |
| %add3 = add nsw i32 %4, %2 |
| %arrayidx6 = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %m2, i64 0, i64 %indvars.iv, i64 0 |
| store i32 %add3, i32* %arrayidx6, align 16 |
| %add10 = add nsw i32 %add3, %a.088 |
| %5 = or i64 %1, 1 |
| %arrayidx13 = getelementptr inbounds i32, i32* %diff, i64 %5 |
| %6 = load i32, i32* %arrayidx13, align 4 |
| %7 = or i64 %1, 5 |
| %arrayidx16 = getelementptr inbounds i32, i32* %diff, i64 %7 |
| %8 = load i32, i32* %arrayidx16, align 4 |
| %add17 = add nsw i32 %8, %6 |
| %arrayidx20 = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %m2, i64 0, i64 %indvars.iv, i64 1 |
| store i32 %add17, i32* %arrayidx20, align 4 |
| %add24 = add nsw i32 %add10, %add17 |
| |
| ; CHECK-NOT: add nsw <{{[0-9]+}} x i32> |
| ; YAML: Pass: slp-vectorizer |
| ; YAML-NEXT: Name: NotPossible |
| ; YAML-NEXT: Function: foo |
| ; YAML-NEXT: Args: |
| ; YAML-NEXT: - String: 'Cannot SLP vectorize list: vectorization was impossible' |
| ; YAML-NEXT: - String: ' with available vectorization factors' |
| |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 8 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.body |
| %arraydecay = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %m2, i64 0, i64 0 |
| ret i32 %add24 |
| } |
| |