121 lines
4.9 KiB
LLVM
121 lines
4.9 KiB
LLVM
; RUN: opt < %s -disable-output -passes="print<da>" \
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; RUN: -da-disable-delinearization-checks 2>&1 | FileCheck %s
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; RUN: opt < %s -da -analyze -enable-new-pm=0 -da-disable-delinearization-checks | FileCheck %s
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; CHECK-LABEL: t1
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; CHECK: da analyze - none!
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; CHECK: da analyze - consistent anti [1 -2]!
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; CHECK: da analyze - none!
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;; #define N 1024
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;; #define M 2048
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;; void t1(int a[N][M]) {
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;; for (int i = 0; i < N-1; ++i)
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;; for (int j = 2; j < M; ++j)
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;; a[i][j] = a[i+1][j-2];
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;; }
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define void @t1([2048 x i32]* %a) {
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entry:
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br label %for.body
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for.body: ; preds = %entry, %for.inc11
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%indvars.iv4 = phi i64 [ 0, %entry ], [ %indvars.iv.next5, %for.inc11 ]
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br label %for.body4
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for.body4: ; preds = %for.body, %for.body4
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%indvars.iv = phi i64 [ 2, %for.body ], [ %indvars.iv.next, %for.body4 ]
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%0 = add nuw nsw i64 %indvars.iv4, 1
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%1 = add nsw i64 %indvars.iv, -2
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%arrayidx6 = getelementptr inbounds [2048 x i32], [2048 x i32]* %a, i64 %0, i64 %1
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%2 = load i32, i32* %arrayidx6, align 4
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%arrayidx10 = getelementptr inbounds [2048 x i32], [2048 x i32]* %a, i64 %indvars.iv4, i64 %indvars.iv
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store i32 %2, i32* %arrayidx10, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp ne i64 %indvars.iv.next, 2048
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br i1 %exitcond, label %for.body4, label %for.inc11
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for.inc11: ; preds = %for.body4
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%indvars.iv.next5 = add nuw nsw i64 %indvars.iv4, 1
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%exitcond7 = icmp ne i64 %indvars.iv.next5, 1023
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br i1 %exitcond7, label %for.body, label %for.end13
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for.end13: ; preds = %for.inc11
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ret void
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}
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; CHECK-LABEL: t2
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; CHECK: da analyze - none!
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; CHECK: da analyze - consistent anti [1 -2 0 -3 2]!
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; CHECK: da analyze - none!
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;; #define N 1024
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;; #define M 2048
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;; void t2(int a[][N][N][N][M]) {
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;; for (int i1 = 0; i1 < N-1; ++i1)
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;; for (int i2 = 2; i2 < N; ++i2)
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;; for (int i3 = 0; i3 < N; ++i3)
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;; for (int i4 = 3; i4 < N; ++i4)
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;; for (int i5 = 0; i5 < M-2; ++i5)
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;; a[i1][i2][i3][i4][i5] = a[i1+1][i2-2][i3][i4-3][i5+2];
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;; }
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define void @t2([1024 x [1024 x [1024 x [2048 x i32]]]]* %a) {
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entry:
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br label %for.body
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for.body: ; preds = %entry, %for.inc46
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%indvars.iv18 = phi i64 [ 0, %entry ], [ %indvars.iv.next19, %for.inc46 ]
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br label %for.body4
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for.body4: ; preds = %for.body, %for.inc43
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%indvars.iv14 = phi i64 [ 2, %for.body ], [ %indvars.iv.next15, %for.inc43 ]
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br label %for.body8
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for.body8: ; preds = %for.body4, %for.inc40
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%indvars.iv11 = phi i64 [ 0, %for.body4 ], [ %indvars.iv.next12, %for.inc40 ]
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br label %for.body12
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for.body12: ; preds = %for.body8, %for.inc37
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%indvars.iv7 = phi i64 [ 3, %for.body8 ], [ %indvars.iv.next8, %for.inc37 ]
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br label %for.body16
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for.body16: ; preds = %for.body12, %for.body16
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%indvars.iv = phi i64 [ 0, %for.body12 ], [ %indvars.iv.next, %for.body16 ]
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%0 = add nuw nsw i64 %indvars.iv18, 1
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%1 = add nsw i64 %indvars.iv14, -2
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%2 = add nsw i64 %indvars.iv7, -3
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%3 = add nuw nsw i64 %indvars.iv, 2
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%arrayidx26 = getelementptr inbounds [1024 x [1024 x [1024 x [2048 x i32]]]], [1024 x [1024 x [1024 x [2048 x i32]]]]* %a, i64 %0, i64 %1, i64 %indvars.iv11, i64 %2, i64 %3
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%4 = load i32, i32* %arrayidx26, align 4
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%arrayidx36 = getelementptr inbounds [1024 x [1024 x [1024 x [2048 x i32]]]], [1024 x [1024 x [1024 x [2048 x i32]]]]* %a, i64 %indvars.iv18, i64 %indvars.iv14, i64 %indvars.iv11, i64 %indvars.iv7, i64 %indvars.iv
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store i32 %4, i32* %arrayidx36, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp ne i64 %indvars.iv.next, 2046
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br i1 %exitcond, label %for.body16, label %for.inc37
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for.inc37: ; preds = %for.body16
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%indvars.iv.next8 = add nuw nsw i64 %indvars.iv7, 1
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%exitcond10 = icmp ne i64 %indvars.iv.next8, 1024
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br i1 %exitcond10, label %for.body12, label %for.inc40
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for.inc40: ; preds = %for.inc37
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%indvars.iv.next12 = add nuw nsw i64 %indvars.iv11, 1
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%exitcond13 = icmp ne i64 %indvars.iv.next12, 1024
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br i1 %exitcond13, label %for.body8, label %for.inc43
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for.inc43: ; preds = %for.inc40
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%indvars.iv.next15 = add nuw nsw i64 %indvars.iv14, 1
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%exitcond17 = icmp ne i64 %indvars.iv.next15, 1024
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br i1 %exitcond17, label %for.body4, label %for.inc46
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for.inc46: ; preds = %for.inc43
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%indvars.iv.next19 = add nuw nsw i64 %indvars.iv18, 1
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%exitcond21 = icmp ne i64 %indvars.iv.next19, 1023
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br i1 %exitcond21, label %for.body, label %for.end48
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for.end48: ; preds = %for.inc46
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ret void
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}
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