mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-31 12:30:06 +00:00
558 lines
23 KiB
LLVM
558 lines
23 KiB
LLVM
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; RUN: opt < %s -basicaa -loop-interchange -S | FileCheck %s
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;; We test the complete .ll for adjustment in outer loop header/latch and inner loop header/latch.
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@A = common global [100 x [100 x i32]] zeroinitializer
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@B = common global [100 x i32] zeroinitializer
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@C = common global [100 x [100 x i32]] zeroinitializer
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@D = common global [100 x [100 x [100 x i32]]] zeroinitializer
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declare void @foo(...)
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;;--------------------------------------Test case 01------------------------------------
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;; for(int i=0;i<N;i++)
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;; for(int j=1;j<N;j++)
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;; A[j][i] = A[j][i]+k;
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define void @interchange_01(i32 %k, i32 %N) {
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entry:
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%cmp21 = icmp sgt i32 %N, 0
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br i1 %cmp21, label %for.cond1.preheader.lr.ph, label %for.end12
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for.cond1.preheader.lr.ph:
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%cmp219 = icmp sgt i32 %N, 1
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%0 = add i32 %N, -1
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br label %for.cond1.preheader
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for.cond1.preheader:
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%indvars.iv23 = phi i64 [ 0, %for.cond1.preheader.lr.ph ], [ %indvars.iv.next24, %for.inc10 ]
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br i1 %cmp219, label %for.body3, label %for.inc10
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for.body3:
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ 1, %for.cond1.preheader ]
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%arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv, i64 %indvars.iv23
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%1 = load i32, i32* %arrayidx5
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%add = add nsw i32 %1, %k
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store i32 %add, i32* %arrayidx5
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %0
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br i1 %exitcond, label %for.inc10, label %for.body3
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for.inc10:
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%indvars.iv.next24 = add nuw nsw i64 %indvars.iv23, 1
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%lftr.wideiv25 = trunc i64 %indvars.iv23 to i32
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%exitcond26 = icmp eq i32 %lftr.wideiv25, %0
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br i1 %exitcond26, label %for.end12, label %for.cond1.preheader
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for.end12:
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ret void
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}
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; CHECK-LABEL: @interchange_01
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; CHECK: entry:
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; CHECK: %cmp21 = icmp sgt i32 %N, 0
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; CHECK: br i1 %cmp21, label %for.body3.preheader, label %for.end12
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; CHECK: for.cond1.preheader.lr.ph:
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; CHECK: br label %for.cond1.preheader
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; CHECK: for.cond1.preheader:
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; CHECK: %indvars.iv23 = phi i64 [ 0, %for.cond1.preheader.lr.ph ], [ %indvars.iv.next24, %for.inc10 ]
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; CHECK: br i1 %cmp219, label %for.body3.split1, label %for.end12.loopexit
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; CHECK: for.body3.preheader:
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; CHECK: %cmp219 = icmp sgt i32 %N, 1
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; CHECK: %0 = add i32 %N, -1
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; CHECK: br label %for.body3
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; CHECK: for.body3:
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; CHECK: %indvars.iv = phi i64 [ %indvars.iv.next, %for.body3.split ], [ 1, %for.body3.preheader ]
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; CHECK: br label %for.cond1.preheader.lr.ph
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; CHECK: for.body3.split1:
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; CHECK: %arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv, i64 %indvars.iv23
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; CHECK: %1 = load i32, i32* %arrayidx5
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; CHECK: %add = add nsw i32 %1, %k
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; CHECK: store i32 %add, i32* %arrayidx5
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; CHECK: br label %for.inc10.loopexit
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; CHECK: for.body3.split:
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; CHECK: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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; CHECK: %lftr.wideiv = trunc i64 %indvars.iv to i32
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; CHECK: %exitcond = icmp eq i32 %lftr.wideiv, %0
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; CHECK: br i1 %exitcond, label %for.end12.loopexit, label %for.body3
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; CHECK: for.inc10.loopexit:
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; CHECK: br label %for.inc10
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; CHECK: for.inc10:
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; CHECK: %indvars.iv.next24 = add nuw nsw i64 %indvars.iv23, 1
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; CHECK: %lftr.wideiv25 = trunc i64 %indvars.iv23 to i32
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; CHECK: %exitcond26 = icmp eq i32 %lftr.wideiv25, %0
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; CHECK: br i1 %exitcond26, label %for.body3.split, label %for.cond1.preheader
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; CHECK: for.end12.loopexit:
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; CHECK: br label %for.end12
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; CHECK: for.end12:
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; CHECK: ret void
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;;--------------------------------------Test case 02-------------------------------------
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;; for(int i=0;i<100;i++)
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;; for(int j=100;j>=0;j--)
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;; A[j][i] = A[j][i]+k;
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define void @interchange_02(i32 %k) {
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entry:
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br label %for.cond1.preheader
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for.cond1.preheader:
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%indvars.iv19 = phi i64 [ 0, %entry ], [ %indvars.iv.next20, %for.inc10 ]
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br label %for.body3
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for.body3:
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%indvars.iv = phi i64 [ 100, %for.cond1.preheader ], [ %indvars.iv.next, %for.body3 ]
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%arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv, i64 %indvars.iv19
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%0 = load i32, i32* %arrayidx5
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%add = add nsw i32 %0, %k
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store i32 %add, i32* %arrayidx5
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%indvars.iv.next = add nsw i64 %indvars.iv, -1
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%cmp2 = icmp sgt i64 %indvars.iv, 0
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br i1 %cmp2, label %for.body3, label %for.inc10
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for.inc10:
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%indvars.iv.next20 = add nuw nsw i64 %indvars.iv19, 1
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%exitcond = icmp eq i64 %indvars.iv.next20, 100
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br i1 %exitcond, label %for.end11, label %for.cond1.preheader
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for.end11:
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ret void
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}
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; CHECK-LABEL: @interchange_02
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; CHECK: entry:
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; CHECK: br label %for.body3.preheader
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; CHECK: for.cond1.preheader.preheader:
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; CHECK: br label %for.cond1.preheader
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; CHECK: for.cond1.preheader:
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; CHECK: %indvars.iv19 = phi i64 [ %indvars.iv.next20, %for.inc10 ], [ 0, %for.cond1.preheader.preheader ]
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; CHECK: br label %for.body3.split1
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; CHECK: for.body3.preheader:
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; CHECK: br label %for.body3
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; CHECK: for.body3:
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; CHECK: %indvars.iv = phi i64 [ %indvars.iv.next, %for.body3.split ], [ 100, %for.body3.preheader ]
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; CHECK: br label %for.cond1.preheader.preheader
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; CHECK: for.body3.split1: ; preds = %for.cond1.preheader
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; CHECK: %arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv, i64 %indvars.iv19
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; CHECK: %0 = load i32, i32* %arrayidx5
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; CHECK: %add = add nsw i32 %0, %k
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; CHECK: store i32 %add, i32* %arrayidx5
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; CHECK: br label %for.inc10
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; CHECK: for.body3.split:
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; CHECK: %indvars.iv.next = add nsw i64 %indvars.iv, -1
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; CHECK: %cmp2 = icmp sgt i64 %indvars.iv, 0
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; CHECK: br i1 %cmp2, label %for.body3, label %for.end11
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; CHECK: for.inc10:
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; CHECK: %indvars.iv.next20 = add nuw nsw i64 %indvars.iv19, 1
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; CHECK: %exitcond = icmp eq i64 %indvars.iv.next20, 100
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; CHECK: br i1 %exitcond, label %for.body3.split, label %for.cond1.preheader
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; CHECK: for.end11:
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; CHECK: ret void
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;;--------------------------------------Test case 03-------------------------------------
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;; Loops should not be interchanged in this case as it is not profitable.
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;; for(int i=0;i<100;i++)
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;; for(int j=0;j<100;j++)
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;; A[i][j] = A[i][j]+k;
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define void @interchange_03(i32 %k) {
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entry:
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br label %for.cond1.preheader
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for.cond1.preheader:
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%indvars.iv21 = phi i64 [ 0, %entry ], [ %indvars.iv.next22, %for.inc10 ]
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br label %for.body3
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for.body3:
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%indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.body3 ]
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%arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv21, i64 %indvars.iv
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%0 = load i32, i32* %arrayidx5
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%add = add nsw i32 %0, %k
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store i32 %add, i32* %arrayidx5
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp eq i64 %indvars.iv.next, 100
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br i1 %exitcond, label %for.inc10, label %for.body3
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for.inc10:
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%indvars.iv.next22 = add nuw nsw i64 %indvars.iv21, 1
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%exitcond23 = icmp eq i64 %indvars.iv.next22, 100
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br i1 %exitcond23, label %for.end12, label %for.cond1.preheader
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for.end12:
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ret void
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}
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; CHECK-LABEL: @interchange_03
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; CHECK: entry:
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; CHECK: br label %for.cond1.preheader.preheader
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; CHECK: for.cond1.preheader.preheader: ; preds = %entry
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; CHECK: br label %for.cond1.preheader
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; CHECK: for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc10
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; CHECK: %indvars.iv21 = phi i64 [ %indvars.iv.next22, %for.inc10 ], [ 0, %for.cond1.preheader.preheader ]
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; CHECK: br label %for.body3.preheader
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; CHECK: for.body3.preheader: ; preds = %for.cond1.preheader
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; CHECK: br label %for.body3
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; CHECK: for.body3: ; preds = %for.body3.preheader, %for.body3
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; CHECK: %indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ 0, %for.body3.preheader ]
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; CHECK: %arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv21, i64 %indvars.iv
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; CHECK: %0 = load i32, i32* %arrayidx5
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; CHECK: %add = add nsw i32 %0, %k
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; CHECK: store i32 %add, i32* %arrayidx5
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; CHECK: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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; CHECK: %exitcond = icmp eq i64 %indvars.iv.next, 100
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; CHECK: br i1 %exitcond, label %for.inc10, label %for.body3
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; CHECK: for.inc10: ; preds = %for.body3
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; CHECK: %indvars.iv.next22 = add nuw nsw i64 %indvars.iv21, 1
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; CHECK: %exitcond23 = icmp eq i64 %indvars.iv.next22, 100
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; CHECK: br i1 %exitcond23, label %for.end12, label %for.cond1.preheader
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; CHECK: for.end12: ; preds = %for.inc10
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; CHECK: ret void
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;;--------------------------------------Test case 04-------------------------------------
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;; Loops should not be interchanged in this case as it is not legal due to dependency.
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;; for(int j=0;j<99;j++)
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;; for(int i=0;i<99;i++)
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;; A[j][i+1] = A[j+1][i]+k;
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define void @interchange_04(i32 %k){
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entry:
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br label %for.cond1.preheader
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for.cond1.preheader:
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%indvars.iv23 = phi i64 [ 0, %entry ], [ %indvars.iv.next24, %for.inc12 ]
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%indvars.iv.next24 = add nuw nsw i64 %indvars.iv23, 1
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br label %for.body3
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for.body3:
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%indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.body3 ]
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%arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv.next24, i64 %indvars.iv
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%0 = load i32, i32* %arrayidx5
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%add6 = add nsw i32 %0, %k
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%arrayidx11 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv23, i64 %indvars.iv.next
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store i32 %add6, i32* %arrayidx11
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%exitcond = icmp eq i64 %indvars.iv.next, 99
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br i1 %exitcond, label %for.inc12, label %for.body3
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for.inc12:
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%exitcond25 = icmp eq i64 %indvars.iv.next24, 99
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br i1 %exitcond25, label %for.end14, label %for.cond1.preheader
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for.end14:
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ret void
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}
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; CHECK-LABEL: @interchange_04
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; CHECK: entry:
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; CHECK: br label %for.cond1.preheader
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; CHECK: for.cond1.preheader: ; preds = %for.inc12, %entry
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; CHECK: %indvars.iv23 = phi i64 [ 0, %entry ], [ %indvars.iv.next24, %for.inc12 ]
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; CHECK: %indvars.iv.next24 = add nuw nsw i64 %indvars.iv23, 1
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; CHECK: br label %for.body3
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; CHECK: for.body3: ; preds = %for.body3, %for.cond1.preheader
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; CHECK: %indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.body3 ]
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; CHECK: %arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv.next24, i64 %indvars.iv
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; CHECK: %0 = load i32, i32* %arrayidx5
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; CHECK: %add6 = add nsw i32 %0, %k
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; CHECK: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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; CHECK: %arrayidx11 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv23, i64 %indvars.iv.next
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; CHECK: store i32 %add6, i32* %arrayidx11
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; CHECK: %exitcond = icmp eq i64 %indvars.iv.next, 99
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; CHECK: br i1 %exitcond, label %for.inc12, label %for.body3
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; CHECK: for.inc12: ; preds = %for.body3
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; CHECK: %exitcond25 = icmp eq i64 %indvars.iv.next24, 99
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; CHECK: br i1 %exitcond25, label %for.end14, label %for.cond1.preheader
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; CHECK: for.end14: ; preds = %for.inc12
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; CHECK: ret void
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;;--------------------------------------Test case 05-------------------------------------
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;; Loops not tightly nested are not interchanged
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;; for(int j=0;j<N;j++) {
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;; B[j] = j+k;
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;; for(int i=0;i<N;i++)
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;; A[j][i] = A[j][i]+B[j];
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;; }
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define void @interchange_05(i32 %k, i32 %N){
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entry:
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%cmp30 = icmp sgt i32 %N, 0
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br i1 %cmp30, label %for.body.lr.ph, label %for.end17
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for.body.lr.ph:
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%0 = add i32 %N, -1
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%1 = zext i32 %k to i64
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br label %for.body
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for.body:
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%indvars.iv32 = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next33, %for.inc15 ]
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%2 = add nsw i64 %indvars.iv32, %1
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%arrayidx = getelementptr inbounds [100 x i32], [100 x i32]* @B, i64 0, i64 %indvars.iv32
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%3 = trunc i64 %2 to i32
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store i32 %3, i32* %arrayidx
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br label %for.body3
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for.body3:
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%indvars.iv = phi i64 [ 0, %for.body ], [ %indvars.iv.next, %for.body3 ]
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%arrayidx7 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv32, i64 %indvars.iv
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%4 = load i32, i32* %arrayidx7
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%add10 = add nsw i32 %3, %4
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store i32 %add10, i32* %arrayidx7
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %0
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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-LABEL: @interchange_05
|
||
|
; CHECK: entry:
|
||
|
; CHECK: %cmp30 = icmp sgt i32 %N, 0
|
||
|
; CHECK: br i1 %cmp30, label %for.body.lr.ph, label %for.end17
|
||
|
; CHECK: for.body.lr.ph:
|
||
|
; CHECK: %0 = add i32 %N, -1
|
||
|
; CHECK: %1 = zext i32 %k to i64
|
||
|
; CHECK: br label %for.body
|
||
|
; CHECK: for.body:
|
||
|
; CHECK: %indvars.iv32 = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next33, %for.inc15 ]
|
||
|
; CHECK: %2 = add nsw i64 %indvars.iv32, %1
|
||
|
; CHECK: %arrayidx = getelementptr inbounds [100 x i32], [100 x i32]* @B, i64 0, i64 %indvars.iv32
|
||
|
; CHECK: %3 = trunc i64 %2 to i32
|
||
|
; CHECK: store i32 %3, i32* %arrayidx
|
||
|
; CHECK: br label %for.body3.preheader
|
||
|
; CHECK: for.body3.preheader:
|
||
|
; CHECK: br label %for.body3
|
||
|
; CHECK: for.body3:
|
||
|
; CHECK: %indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ 0, %for.body3.preheader ]
|
||
|
; CHECK: %arrayidx7 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv32, i64 %indvars.iv
|
||
|
; CHECK: %4 = load i32, i32* %arrayidx7
|
||
|
; CHECK: %add10 = add nsw i32 %3, %4
|
||
|
; CHECK: store i32 %add10, i32* %arrayidx7
|
||
|
; CHECK: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
||
|
; CHECK: %lftr.wideiv = trunc i64 %indvars.iv to i32
|
||
|
; CHECK: %exitcond = icmp eq i32 %lftr.wideiv, %0
|
||
|
; CHECK: br i1 %exitcond, label %for.inc15, label %for.body3
|
||
|
; CHECK: for.inc15:
|
||
|
; CHECK: %indvars.iv.next33 = add nuw nsw i64 %indvars.iv32, 1
|
||
|
; CHECK: %lftr.wideiv35 = trunc i64 %indvars.iv32 to i32
|
||
|
; CHECK: %exitcond36 = icmp eq i32 %lftr.wideiv35, %0
|
||
|
; CHECK: br i1 %exitcond36, label %for.end17.loopexit, label %for.body
|
||
|
; CHECK: for.end17.loopexit:
|
||
|
; CHECK: br label %for.end17
|
||
|
; CHECK: for.end17:
|
||
|
; CHECK: ret void
|
||
|
|
||
|
|
||
|
;;--------------------------------------Test case 06-------------------------------------
|
||
|
;; Loops not tightly nested are not interchanged
|
||
|
;; for(int j=0;j<N;j++) {
|
||
|
;; foo();
|
||
|
;; for(int i=2;i<N;i++)
|
||
|
;; A[j][i] = A[j][i]+k;
|
||
|
;; }
|
||
|
|
||
|
define void @interchange_06(i32 %k, i32 %N) {
|
||
|
entry:
|
||
|
%cmp22 = icmp sgt i32 %N, 0
|
||
|
br i1 %cmp22, label %for.body.lr.ph, label %for.end12
|
||
|
|
||
|
for.body.lr.ph:
|
||
|
%0 = add i32 %N, -1
|
||
|
br label %for.body
|
||
|
|
||
|
for.body:
|
||
|
%indvars.iv24 = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next25, %for.inc10 ]
|
||
|
tail call void (...)* @foo()
|
||
|
br label %for.body3
|
||
|
|
||
|
for.body3:
|
||
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ 2, %for.body ]
|
||
|
%arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv24, i64 %indvars.iv
|
||
|
%1 = load i32, i32* %arrayidx5
|
||
|
%add = add nsw i32 %1, %k
|
||
|
store i32 %add, i32* %arrayidx5
|
||
|
%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.inc10, label %for.body3
|
||
|
|
||
|
for.inc10:
|
||
|
%indvars.iv.next25 = add nuw nsw i64 %indvars.iv24, 1
|
||
|
%lftr.wideiv26 = trunc i64 %indvars.iv24 to i32
|
||
|
%exitcond27 = icmp eq i32 %lftr.wideiv26, %0
|
||
|
br i1 %exitcond27, label %for.end12, label %for.body
|
||
|
|
||
|
for.end12:
|
||
|
ret void
|
||
|
}
|
||
|
;; Here we are checking if the inner phi is not split then we have not interchanged.
|
||
|
; CHECK-LABEL: @interchange_06
|
||
|
; CHECK: phi i64 [ %indvars.iv.next, %for.body3 ], [ 2, %for.body3.preheader ]
|
||
|
; CHECK-NEXT: getelementptr
|
||
|
; CHECK-NEXT: %1 = load
|
||
|
|
||
|
;;--------------------------------------Test case 07-------------------------------------
|
||
|
;; FIXME:
|
||
|
;; Test for interchange when we have an lcssa phi. This should ideally be interchanged but it is currently not supported.
|
||
|
;; for(gi=1;gi<N;gi++)
|
||
|
;; for(gj=1;gj<M;gj++)
|
||
|
;; A[gj][gi] = A[gj - 1][gi] + C[gj][gi];
|
||
|
|
||
|
@gi = common global i32 0
|
||
|
@gj = common global i32 0
|
||
|
|
||
|
define void @interchange_07(i32 %N, i32 %M){
|
||
|
entry:
|
||
|
store i32 1, i32* @gi
|
||
|
%cmp21 = icmp sgt i32 %N, 1
|
||
|
br i1 %cmp21, label %for.cond1.preheader.lr.ph, label %for.end16
|
||
|
|
||
|
for.cond1.preheader.lr.ph:
|
||
|
%cmp218 = icmp sgt i32 %M, 1
|
||
|
%gi.promoted = load i32, i32* @gi
|
||
|
%0 = add i32 %M, -1
|
||
|
%1 = sext i32 %gi.promoted to i64
|
||
|
%2 = sext i32 %N to i64
|
||
|
%3 = add i32 %gi.promoted, 1
|
||
|
%4 = icmp slt i32 %3, %N
|
||
|
%smax = select i1 %4, i32 %N, i32 %3
|
||
|
br label %for.cond1.preheader
|
||
|
|
||
|
for.cond1.preheader:
|
||
|
%indvars.iv25 = phi i64 [ %1, %for.cond1.preheader.lr.ph ], [ %indvars.iv.next26, %for.inc14 ]
|
||
|
br i1 %cmp218, label %for.body3, label %for.inc14
|
||
|
|
||
|
for.body3:
|
||
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ 1, %for.cond1.preheader ]
|
||
|
%5 = add nsw i64 %indvars.iv, -1
|
||
|
%arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %5, i64 %indvars.iv25
|
||
|
%6 = load i32, i32* %arrayidx5
|
||
|
%arrayidx9 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @C, i64 0, i64 %indvars.iv, i64 %indvars.iv25
|
||
|
%7 = load i32, i32* %arrayidx9
|
||
|
%add = add nsw i32 %7, %6
|
||
|
%arrayidx13 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv, i64 %indvars.iv25
|
||
|
store i32 %add, i32* %arrayidx13
|
||
|
%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.inc14, label %for.body3
|
||
|
|
||
|
for.inc14:
|
||
|
%inc.lcssa23 = phi i32 [ 1, %for.cond1.preheader ], [ %M, %for.body3 ]
|
||
|
%indvars.iv.next26 = add nsw i64 %indvars.iv25, 1
|
||
|
%cmp = icmp slt i64 %indvars.iv.next26, %2
|
||
|
br i1 %cmp, label %for.cond1.preheader, label %for.cond.for.end16_crit_edge
|
||
|
|
||
|
for.cond.for.end16_crit_edge:
|
||
|
store i32 %inc.lcssa23, i32* @gj
|
||
|
store i32 %smax, i32* @gi
|
||
|
br label %for.end16
|
||
|
|
||
|
for.end16:
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; CHECK-LABEL: @interchange_07
|
||
|
; CHECK: for.body3: ; preds = %for.body3.preheader, %for.body3
|
||
|
; CHECK: %indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ 1, %for.body3.preheader ]
|
||
|
; CHECK: %5 = add nsw i64 %indvars.iv, -1
|
||
|
; CHECK: %arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %5, i64 %indvars.iv25
|
||
|
; CHECK: %6 = load i32, i32* %arrayidx5
|
||
|
; CHECK: %arrayidx9 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @C, i64 0, i64 %indvars.iv, i64 %indvars.iv25
|
||
|
|
||
|
;;------------------------------------------------Test case 08-------------------------------
|
||
|
;; Test for interchange in loop nest greater than 2.
|
||
|
;; for(int i=0;i<100;i++)
|
||
|
;; for(int j=0;j<100;j++)
|
||
|
;; for(int k=0;k<100;k++)
|
||
|
;; D[i][k][j] = D[i][k][j]+t;
|
||
|
|
||
|
define void @interchange_08(i32 %t){
|
||
|
entry:
|
||
|
br label %for.cond1.preheader
|
||
|
|
||
|
for.cond1.preheader: ; preds = %for.inc15, %entry
|
||
|
%i.028 = phi i32 [ 0, %entry ], [ %inc16, %for.inc15 ]
|
||
|
br label %for.cond4.preheader
|
||
|
|
||
|
for.cond4.preheader: ; preds = %for.inc12, %for.cond1.preheader
|
||
|
%j.027 = phi i32 [ 0, %for.cond1.preheader ], [ %inc13, %for.inc12 ]
|
||
|
br label %for.body6
|
||
|
|
||
|
for.body6: ; preds = %for.body6, %for.cond4.preheader
|
||
|
%k.026 = phi i32 [ 0, %for.cond4.preheader ], [ %inc, %for.body6 ]
|
||
|
%arrayidx8 = getelementptr inbounds [100 x [100 x [100 x i32]]], [100 x [100 x [100 x i32]]]* @D, i32 0, i32 %i.028, i32 %k.026, i32 %j.027
|
||
|
%0 = load i32, i32* %arrayidx8
|
||
|
%add = add nsw i32 %0, %t
|
||
|
store i32 %add, i32* %arrayidx8
|
||
|
%inc = add nuw nsw i32 %k.026, 1
|
||
|
%exitcond = icmp eq i32 %inc, 100
|
||
|
br i1 %exitcond, label %for.inc12, label %for.body6
|
||
|
|
||
|
for.inc12: ; preds = %for.body6
|
||
|
%inc13 = add nuw nsw i32 %j.027, 1
|
||
|
%exitcond29 = icmp eq i32 %inc13, 100
|
||
|
br i1 %exitcond29, label %for.inc15, label %for.cond4.preheader
|
||
|
|
||
|
for.inc15: ; preds = %for.inc12
|
||
|
%inc16 = add nuw nsw i32 %i.028, 1
|
||
|
%exitcond30 = icmp eq i32 %inc16, 100
|
||
|
br i1 %exitcond30, label %for.end17, label %for.cond1.preheader
|
||
|
|
||
|
for.end17: ; preds = %for.inc15
|
||
|
ret void
|
||
|
}
|
||
|
; CHECK-LABEL: @interchange_08
|
||
|
; CHECK: entry:
|
||
|
; CHECK: br label %for.cond1.preheader.preheader
|
||
|
; CHECK: for.cond1.preheader.preheader: ; preds = %entry
|
||
|
; CHECK: br label %for.cond1.preheader
|
||
|
; CHECK: for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc15
|
||
|
; CHECK: %i.028 = phi i32 [ %inc16, %for.inc15 ], [ 0, %for.cond1.preheader.preheader ]
|
||
|
; CHECK: br label %for.body6.preheader
|
||
|
; CHECK: for.cond4.preheader.preheader: ; preds = %for.body6
|
||
|
; CHECK: br label %for.cond4.preheader
|
||
|
; CHECK: for.cond4.preheader: ; preds = %for.cond4.preheader.preheader, %for.inc12
|
||
|
; CHECK: %j.027 = phi i32 [ %inc13, %for.inc12 ], [ 0, %for.cond4.preheader.preheader ]
|
||
|
; CHECK: br label %for.body6.split1
|
||
|
; CHECK: for.body6.preheader: ; preds = %for.cond1.preheader
|
||
|
; CHECK: br label %for.body6
|
||
|
; CHECK: for.body6: ; preds = %for.body6.preheader, %for.body6.split
|
||
|
; CHECK: %k.026 = phi i32 [ %inc, %for.body6.split ], [ 0, %for.body6.preheader ]
|
||
|
; CHECK: br label %for.cond4.preheader.preheader
|
||
|
; CHECK: for.body6.split1: ; preds = %for.cond4.preheader
|
||
|
; CHECK: %arrayidx8 = getelementptr inbounds [100 x [100 x [100 x i32]]], [100 x [100 x [100 x i32]]]* @D, i32 0, i32 %i.028, i32 %k.026, i32 %j.027
|
||
|
; CHECK: %0 = load i32, i32* %arrayidx8
|
||
|
; CHECK: %add = add nsw i32 %0, %t
|
||
|
; CHECK: store i32 %add, i32* %arrayidx8
|
||
|
; CHECK: br label %for.inc12
|
||
|
; CHECK: for.body6.split: ; preds = %for.inc12
|
||
|
; CHECK: %inc = add nuw nsw i32 %k.026, 1
|
||
|
; CHECK: %exitcond = icmp eq i32 %inc, 100
|
||
|
; CHECK: br i1 %exitcond, label %for.inc15, label %for.body6
|
||
|
; CHECK: for.inc12: ; preds = %for.body6.split1
|
||
|
; CHECK: %inc13 = add nuw nsw i32 %j.027, 1
|
||
|
; CHECK: %exitcond29 = icmp eq i32 %inc13, 100
|
||
|
; CHECK: br i1 %exitcond29, label %for.body6.split, label %for.cond4.preheader
|
||
|
; CHECK: for.inc15: ; preds = %for.body6.split
|
||
|
; CHECK: %inc16 = add nuw nsw i32 %i.028, 1
|
||
|
; CHECK: %exitcond30 = icmp eq i32 %inc16, 100
|
||
|
; CHECK: br i1 %exitcond30, label %for.end17, label %for.cond1.preheader
|
||
|
; CHECK: for.end17: ; preds = %for.inc15
|
||
|
; CHECK: ret void
|
||
|
|