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dependencies.ll
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; RUN: opt -basic-aa -loop-unroll-and-jam -allow-unroll-and-jam -unroll-and-jam-count=4 < %s -S | FileCheck %s
; RUN: opt -aa-pipeline=basic-aa -passes='loop-unroll-and-jam' -allow-unroll-and-jam -unroll-and-jam-count=4 < %s -S | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
; CHECK-LABEL: fore_aft_less
; CHECK: %j = phi
; CHECK: %j.1 = phi
; CHECK: %j.2 = phi
; CHECK: %j.3 = phi
define void @fore_aft_less(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add6 = add nuw nsw i32 %j, 1
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%add72 = add nuw nsw i32 %i, -1
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %add72
store i32 %add, i32* %arrayidx8, align 4
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}
; CHECK-LABEL: fore_aft_eq
; CHECK: %j = phi
; CHECK: %j.1 = phi
; CHECK: %j.2 = phi
; CHECK: %j.3 = phi
define void @fore_aft_eq(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add6 = add nuw nsw i32 %j, 1
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%add72 = add nuw nsw i32 %i, 0
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %i
store i32 %add, i32* %arrayidx8, align 4
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}
; CHECK-LABEL: fore_aft_more
; CHECK: %j = phi
; CHECK-NOT: %j.1 = phi
define void @fore_aft_more(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add6 = add nuw nsw i32 %j, 1
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%add72 = add nuw nsw i32 %i, 1
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %add72
store i32 %add, i32* %arrayidx8, align 4
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}
; CHECK-LABEL: fore_sub_less
; CHECK: %j = phi
; CHECK: %j.1 = phi
; CHECK: %j.2 = phi
; CHECK: %j.3 = phi
define void @fore_sub_less(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add72 = add nuw nsw i32 %i, -1
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %add72
store i32 %add, i32* %arrayidx8, align 4
%add6 = add nuw nsw i32 %j, 1
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}
; CHECK-LABEL: fore_sub_eq
; CHECK: %j = phi
; CHECK: %j.1 = phi
; CHECK: %j.2 = phi
; CHECK: %j.3 = phi
define void @fore_sub_eq(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add72 = add nuw nsw i32 %i, 0
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %add72
store i32 %add, i32* %arrayidx8, align 4
%add6 = add nuw nsw i32 %j, 1
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}
; CHECK-LABEL: fore_sub_more
; CHECK: %j = phi
; CHECK-NOT: %j.1 = phi
define void @fore_sub_more(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add72 = add nuw nsw i32 %i, 1
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %add72
store i32 %add, i32* %arrayidx8, align 4
%add6 = add nuw nsw i32 %j, 1
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}
; CHECK-LABEL: sub_aft_less
; CHECK: %j = phi
; CHECK: %j.1 = phi
; CHECK: %j.2 = phi
; CHECK: %j.3 = phi
define void @sub_aft_less(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add6 = add nuw nsw i32 %j, 1
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%add72 = add nuw nsw i32 %i, -1
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %add72
store i32 %add, i32* %arrayidx8, align 4
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}
; CHECK-LABEL: sub_aft_eq
; CHECK: %j = phi
; CHECK: %j.1 = phi
; CHECK: %j.2 = phi
; CHECK: %j.3 = phi
define void @sub_aft_eq(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add6 = add nuw nsw i32 %j, 1
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%add72 = add nuw nsw i32 %i, 0
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %i
store i32 %add, i32* %arrayidx8, align 4
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}
; CHECK-LABEL: sub_aft_more
; CHECK: %j = phi
; CHECK-NOT: %j.1 = phi
define void @sub_aft_more(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add6 = add nuw nsw i32 %j, 1
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%add72 = add nuw nsw i32 %i, 1
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %add72
store i32 %add, i32* %arrayidx8, align 4
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}
; CHECK-LABEL: sub_sub_less
; CHECK: %j = phi
; CHECK-NOT: %j.1 = phi
define void @sub_sub_less(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add6 = add nuw nsw i32 %j, 1
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
%add72 = add nuw nsw i32 %i, -1
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %add72
store i32 %add, i32* %arrayidx8, align 4
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}
; CHECK-LABEL: sub_sub_eq
; CHECK: %j = phi
; CHECK: %j.1 = phi
; CHECK: %j.2 = phi
; CHECK: %j.3 = phi
define void @sub_sub_eq(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add6 = add nuw nsw i32 %j, 1
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
%add72 = add nuw nsw i32 %i, 0
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %add72
store i32 %add, i32* %arrayidx8, align 4
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}
; CHECK-LABEL: sub_sub_more
; CHECK: %j = phi
; CHECK-NOT: %j.1 = phi
define void @sub_sub_more(i32* noalias nocapture %A, i32 %N, i32* noalias nocapture readonly %B) {
entry:
%cmp = icmp sgt i32 %N, 0
br i1 %cmp, label %for.outer, label %cleanup
for.outer:
%i = phi i32 [ %add7, %for.latch ], [ 0, %entry ]
br label %for.inner
for.inner:
%j = phi i32 [ %add6, %for.inner ], [ 0, %for.outer ]
%sum = phi i32 [ %add, %for.inner ], [ 0, %for.outer ]
%arrayidx5 = getelementptr inbounds i32, i32* %B, i32 %j
%0 = load i32, i32* %arrayidx5, align 4
%mul = mul nsw i32 %0, %i
%add = add nsw i32 %mul, %sum
%add6 = add nuw nsw i32 %j, 1
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i
store i32 1, i32* %arrayidx, align 4
%add72 = add nuw nsw i32 %i, 1
%arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %add72
store i32 %add, i32* %arrayidx8, align 4
%exitcond = icmp eq i32 %add6, %N
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add7 = add nuw nsw i32 %i, 1
%exitcond29 = icmp eq i32 %add7, %N
br i1 %exitcond29, label %cleanup, label %for.outer
cleanup:
ret void
}