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Apply loop-rotate to several vectorizer tests.

Browse Source 
Such loops shouldn't be vectorized due to the loops form.
After applying loop-rotate (+simplifycfg) the tests again start to check
what they are intended to check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223170 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Zolotukhin 2014-12-02 22:59:02 +00:00
parent ec49b722fd
commit 6845cace0e
3 changed files with 149 additions and 179 deletions
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154
test/Transforms/LoopVectorize/runtime-check-address-space.ll
View File

@ -31,25 +31,23 @@ define void @foo(i32 addrspace(1)* %a, i32 addrspace(1)* %b, i32 %n) #0 {
; CHECK: ret
entry:
br label %for.cond
%cmp1 = icmp slt i32 0, %n
br i1 %cmp1, label %for.body, label %for.end
for.cond: ; preds = %for.body, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i32 %i.0, %n
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%idxprom = sext i32 %i.0 to i64
for.body: ; preds = %entry, %for.body
%i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%idxprom = sext i32 %i.02 to i64
%arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %idxprom
%0 = load i32 addrspace(1)* %arrayidx, align 4
%mul = mul nsw i32 %0, 3
%idxprom1 = sext i32 %i.0 to i64
%idxprom1 = sext i32 %i.02 to i64
%arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %idxprom1
store i32 %mul, i32 addrspace(1)* %arrayidx2, align 4
%inc = add nsw i32 %i.0, 1
br label %for.cond
%inc = add nsw i32 %i.02, 1
%cmp = icmp slt i32 %inc, %n
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body, %entry
ret void
}
@ -60,25 +58,23 @@ define void @bar0(i32* %a, i32 addrspace(1)* %b, i32 %n) #0 {
; CHECK: ret
entry:
br label %for.cond
%cmp1 = icmp slt i32 0, %n
br i1 %cmp1, label %for.body, label %for.end
for.cond: ; preds = %for.body, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i32 %i.0, %n
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%idxprom = sext i32 %i.0 to i64
for.body: ; preds = %entry, %for.body
%i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%idxprom = sext i32 %i.02 to i64
%arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %idxprom
%0 = load i32 addrspace(1)* %arrayidx, align 4
%mul = mul nsw i32 %0, 3
%idxprom1 = sext i32 %i.0 to i64
%idxprom1 = sext i32 %i.02 to i64
%arrayidx2 = getelementptr inbounds i32* %a, i64 %idxprom1
store i32 %mul, i32* %arrayidx2, align 4
%inc = add nsw i32 %i.0, 1
br label %for.cond
%inc = add nsw i32 %i.02, 1
%cmp = icmp slt i32 %inc, %n
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body, %entry
ret void
}
@ -89,25 +85,23 @@ define void @bar1(i32 addrspace(1)* %a, i32* %b, i32 %n) #0 {
; CHECK: ret
entry:
br label %for.cond
%cmp1 = icmp slt i32 0, %n
br i1 %cmp1, label %for.body, label %for.end
for.cond: ; preds = %for.body, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i32 %i.0, %n
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%idxprom = sext i32 %i.0 to i64
for.body: ; preds = %entry, %for.body
%i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%idxprom = sext i32 %i.02 to i64
%arrayidx = getelementptr inbounds i32* %b, i64 %idxprom
%0 = load i32* %arrayidx, align 4
%mul = mul nsw i32 %0, 3
%idxprom1 = sext i32 %i.0 to i64
%idxprom1 = sext i32 %i.02 to i64
%arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %idxprom1
store i32 %mul, i32 addrspace(1)* %arrayidx2, align 4
%inc = add nsw i32 %i.0, 1
br label %for.cond
%inc = add nsw i32 %i.02, 1
%cmp = icmp slt i32 %inc, %n
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body, %entry
ret void
}
@ -119,25 +113,23 @@ define void @bar2(i32* noalias %a, i32 addrspace(1)* noalias %b, i32 %n) #0 {
; CHECK: ret
entry:
br label %for.cond
%cmp1 = icmp slt i32 0, %n
br i1 %cmp1, label %for.body, label %for.end
for.cond: ; preds = %for.body, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i32 %i.0, %n
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%idxprom = sext i32 %i.0 to i64
for.body: ; preds = %entry, %for.body
%i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%idxprom = sext i32 %i.02 to i64
%arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %idxprom
%0 = load i32 addrspace(1)* %arrayidx, align 4
%mul = mul nsw i32 %0, 3
%idxprom1 = sext i32 %i.0 to i64
%idxprom1 = sext i32 %i.02 to i64
%arrayidx2 = getelementptr inbounds i32* %a, i64 %idxprom1
store i32 %mul, i32* %arrayidx2, align 4
%inc = add nsw i32 %i.0, 1
br label %for.cond
%inc = add nsw i32 %i.02, 1
%cmp = icmp slt i32 %inc, %n
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body, %entry
ret void
}
@ -149,25 +141,23 @@ define void @arst0(i32* %b, i32 %n) #0 {
; CHECK: ret
entry:
br label %for.cond
%cmp1 = icmp slt i32 0, %n
br i1 %cmp1, label %for.body, label %for.end
for.cond: ; preds = %for.body, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i32 %i.0, %n
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%idxprom = sext i32 %i.0 to i64
for.body: ; preds = %entry, %for.body
%i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%idxprom = sext i32 %i.02 to i64
%arrayidx = getelementptr inbounds i32* %b, i64 %idxprom
%0 = load i32* %arrayidx, align 4
%mul = mul nsw i32 %0, 3
%idxprom1 = sext i32 %i.0 to i64
%idxprom1 = sext i32 %i.02 to i64
%arrayidx2 = getelementptr inbounds [1024 x i32] addrspace(1)* @g_as1, i64 0, i64 %idxprom1
store i32 %mul, i32 addrspace(1)* %arrayidx2, align 4
%inc = add nsw i32 %i.0, 1
br label %for.cond
%inc = add nsw i32 %i.02, 1
%cmp = icmp slt i32 %inc, %n
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body, %entry
ret void
}
@ -180,25 +170,23 @@ define void @arst1(i32* %b, i32 %n) #0 {
; CHECK: ret
entry:
br label %for.cond
%cmp1 = icmp slt i32 0, %n
br i1 %cmp1, label %for.body, label %for.end
for.cond: ; preds = %for.body, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i32 %i.0, %n
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%idxprom = sext i32 %i.0 to i64
for.body: ; preds = %entry, %for.body
%i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%idxprom = sext i32 %i.02 to i64
%arrayidx = getelementptr inbounds [1024 x i32] addrspace(1)* @g_as1, i64 0, i64 %idxprom
%0 = load i32 addrspace(1)* %arrayidx, align 4
%mul = mul nsw i32 %0, 3
%idxprom1 = sext i32 %i.0 to i64
%idxprom1 = sext i32 %i.02 to i64
%arrayidx2 = getelementptr inbounds i32* %b, i64 %idxprom1
store i32 %mul, i32* %arrayidx2, align 4
%inc = add nsw i32 %i.0, 1
br label %for.cond
%inc = add nsw i32 %i.02, 1
%cmp = icmp slt i32 %inc, %n
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body, %entry
ret void
}
@ -210,25 +198,23 @@ define void @aoeu(i32 %n) #0 {
; CHECK: ret
entry:
br label %for.cond
%cmp1 = icmp slt i32 0, %n
br i1 %cmp1, label %for.body, label %for.end
for.cond: ; preds = %for.body, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i32 %i.0, %n
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%idxprom = sext i32 %i.0 to i64
for.body: ; preds = %entry, %for.body
%i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%idxprom = sext i32 %i.02 to i64
%arrayidx = getelementptr inbounds [1024 x i32] addrspace(2)* @q_as2, i64 0, i64 %idxprom
%0 = load i32 addrspace(2)* %arrayidx, align 4
%mul = mul nsw i32 %0, 3
%idxprom1 = sext i32 %i.0 to i64
%idxprom1 = sext i32 %i.02 to i64
%arrayidx2 = getelementptr inbounds [1024 x i32] addrspace(1)* @g_as1, i64 0, i64 %idxprom1
store i32 %mul, i32 addrspace(1)* %arrayidx2, align 4
%inc = add nsw i32 %i.0, 1
br label %for.cond
%inc = add nsw i32 %i.02, 1
%cmp = icmp slt i32 %inc, %n
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body, %entry
ret void
}

120
test/Transforms/LoopVectorize/runtime-check-readonly-address-space.ll
View File

@ -8,26 +8,24 @@ define void @add_ints_1_1_1(i32 addrspace(1)* %a, i32 addrspace(1)* %b, i32 addr
; CHECK-LABEL: @add_ints_1_1_1(
; CHECK: <4 x i32>
; CHECK: ret
entry:
br label %for.cond
br label %for.body
for.cond: ; preds = %for.body, %entry
%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp ult i64 %i.0, 200
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.0
for.body: ; preds = %entry, %for.body
%i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.01
%0 = load i32 addrspace(1)* %arrayidx, align 4
%arrayidx1 = getelementptr inbounds i32 addrspace(1)* %c, i64 %i.0
%arrayidx1 = getelementptr inbounds i32 addrspace(1)* %c, i64 %i.01
%1 = load i32 addrspace(1)* %arrayidx1, align 4
%add = add nsw i32 %0, %1
%arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %i.0
%arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %i.01
store i32 %add, i32 addrspace(1)* %arrayidx2, align 4
%inc = add i64 %i.0, 1
br label %for.cond
%inc = add i64 %i.01, 1
%cmp = icmp ult i64 %inc, 200
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body
ret void
}
@ -35,26 +33,24 @@ define void @add_ints_as_1_0_0(i32 addrspace(1)* %a, i32* %b, i32* %c) #0 {
; CHECK-LABEL: @add_ints_as_1_0_0(
; CHECK-NOT: <4 x i32>
; CHECK: ret
entry:
br label %for.cond
br label %for.body
for.cond: ; preds = %for.body, %entry
%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp ult i64 %i.0, 200
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds i32* %b, i64 %i.0
for.body: ; preds = %entry, %for.body
%i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i32* %b, i64 %i.01
%0 = load i32* %arrayidx, align 4
%arrayidx1 = getelementptr inbounds i32* %c, i64 %i.0
%arrayidx1 = getelementptr inbounds i32* %c, i64 %i.01
%1 = load i32* %arrayidx1, align 4
%add = add nsw i32 %0, %1
%arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %i.0
%arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %i.01
store i32 %add, i32 addrspace(1)* %arrayidx2, align 4
%inc = add i64 %i.0, 1
br label %for.cond
%inc = add i64 %i.01, 1
%cmp = icmp ult i64 %inc, 200
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body
ret void
}
@ -62,26 +58,24 @@ define void @add_ints_as_0_1_0(i32* %a, i32 addrspace(1)* %b, i32* %c) #0 {
; CHECK-LABEL: @add_ints_as_0_1_0(
; CHECK-NOT: <4 x i32>
; CHECK: ret
entry:
br label %for.cond
br label %for.body
for.cond: ; preds = %for.body, %entry
%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp ult i64 %i.0, 200
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.0
for.body: ; preds = %entry, %for.body
%i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.01
%0 = load i32 addrspace(1)* %arrayidx, align 4
%arrayidx1 = getelementptr inbounds i32* %c, i64 %i.0
%arrayidx1 = getelementptr inbounds i32* %c, i64 %i.01
%1 = load i32* %arrayidx1, align 4
%add = add nsw i32 %0, %1
%arrayidx2 = getelementptr inbounds i32* %a, i64 %i.0
%arrayidx2 = getelementptr inbounds i32* %a, i64 %i.01
store i32 %add, i32* %arrayidx2, align 4
%inc = add i64 %i.0, 1
br label %for.cond
%inc = add i64 %i.01, 1
%cmp = icmp ult i64 %inc, 200
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body
ret void
}
@ -89,26 +83,24 @@ define void @add_ints_as_0_1_1(i32* %a, i32 addrspace(1)* %b, i32 addrspace(1)*
; CHECK-LABEL: @add_ints_as_0_1_1(
; CHECK-NOT: <4 x i32>
; CHECK: ret
entry:
br label %for.cond
br label %for.body
for.cond: ; preds = %for.body, %entry
%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp ult i64 %i.0, 200
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.0
for.body: ; preds = %entry, %for.body
%i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.01
%0 = load i32 addrspace(1)* %arrayidx, align 4
%arrayidx1 = getelementptr inbounds i32 addrspace(1)* %c, i64 %i.0
%arrayidx1 = getelementptr inbounds i32 addrspace(1)* %c, i64 %i.01
%1 = load i32 addrspace(1)* %arrayidx1, align 4
%add = add nsw i32 %0, %1
%arrayidx2 = getelementptr inbounds i32* %a, i64 %i.0
%arrayidx2 = getelementptr inbounds i32* %a, i64 %i.01
store i32 %add, i32* %arrayidx2, align 4
%inc = add i64 %i.0, 1
br label %for.cond
%inc = add i64 %i.01, 1
%cmp = icmp ult i64 %inc, 200
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body
ret void
}
@ -116,26 +108,24 @@ define void @add_ints_as_0_1_2(i32* %a, i32 addrspace(1)* %b, i32 addrspace(2)*
; CHECK-LABEL: @add_ints_as_0_1_2(
; CHECK-NOT: <4 x i32>
; CHECK: ret
entry:
br label %for.cond
br label %for.body
for.cond: ; preds = %for.body, %entry
%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp ult i64 %i.0, 200
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.0
for.body: ; preds = %entry, %for.body
%i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.01
%0 = load i32 addrspace(1)* %arrayidx, align 4
%arrayidx1 = getelementptr inbounds i32 addrspace(2)* %c, i64 %i.0
%arrayidx1 = getelementptr inbounds i32 addrspace(2)* %c, i64 %i.01
%1 = load i32 addrspace(2)* %arrayidx1, align 4
%add = add nsw i32 %0, %1
%arrayidx2 = getelementptr inbounds i32* %a, i64 %i.0
%arrayidx2 = getelementptr inbounds i32* %a, i64 %i.01
store i32 %add, i32* %arrayidx2, align 4
%inc = add i64 %i.0, 1
br label %for.cond
%inc = add i64 %i.01, 1
%cmp = icmp ult i64 %inc, 200
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.cond
for.end: ; preds = %for.body
ret void
}

54
test/Transforms/LoopVectorize/vect.stats.ll
View File

@ -13,53 +13,47 @@ target triple = "x86_64-unknown-linux-gnu"
define void @vectorized(float* nocapture %a, i64 %size) {
entry:
%cmp1 = icmp sgt i64 %size, 0
br i1 %cmp1, label %for.header, label %for.end
%cmp1 = icmp sle i64 %size, 0
%cmp21 = icmp sgt i64 0, %size
%or.cond = or i1 %cmp1, %cmp21
br i1 %or.cond, label %for.end, label %for.body
for.header:
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%cmp2 = icmp sgt i64 %indvars.iv, %size
br i1 %cmp2, label %for.end, label %for.body
for.body:
%arrayidx = getelementptr inbounds float* %a, i64 %indvars.iv
for.body: ; preds = %entry, %for.body
%indvars.iv2 = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%arrayidx = getelementptr inbounds float* %a, i64 %indvars.iv2
%0 = load float* %arrayidx, align 4
%mul = fmul float %0, %0
store float %mul, float* %arrayidx, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv2, 1
%cmp2 = icmp sgt i64 %indvars.iv.next, %size
br i1 %cmp2, label %for.end, label %for.body
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.header
for.end:
for.end: ; preds = %entry, %for.body
ret void
}
define void @not_vectorized(float* nocapture %a, i64 %size) {
entry:
%cmp1 = icmp sgt i64 %size, 0
br i1 %cmp1, label %for.header, label %for.end
%cmp1 = icmp sle i64 %size, 0
%cmp21 = icmp sgt i64 0, %size
%or.cond = or i1 %cmp1, %cmp21
br i1 %or.cond, label %for.end, label %for.body
for.header:
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%cmp2 = icmp sgt i64 %indvars.iv, %size
br i1 %cmp2, label %for.end, label %for.body
for.body:
%0 = add nsw i64 %indvars.iv, -5
for.body: ; preds = %entry, %for.body
%indvars.iv2 = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%0 = add nsw i64 %indvars.iv2, -5
%arrayidx = getelementptr inbounds float* %a, i64 %0
%1 = load float* %arrayidx, align 4
%2 = add nsw i64 %indvars.iv, 2
%2 = add nsw i64 %indvars.iv2, 2
%arrayidx2 = getelementptr inbounds float* %a, i64 %2
%3 = load float* %arrayidx2, align 4
%mul = fmul float %1, %3
%arrayidx4 = getelementptr inbounds float* %a, i64 %indvars.iv
%arrayidx4 = getelementptr inbounds float* %a, i64 %indvars.iv2
store float %mul, float* %arrayidx4, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv2, 1
%cmp2 = icmp sgt i64 %indvars.iv.next, %size
br i1 %cmp2, label %for.end, label %for.body
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.header
for.end:
for.end: ; preds = %entry, %for.body
ret void
}