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39f4e8d9cc
This update was done with the following bash script:
find test/Transforms -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc" $NAME; then
TEMP=`mktemp -t temp`
cp $NAME $TEMP
sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
while read FUNC; do
sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3@$FUNC(/g" $TEMP
done
mv $TEMP $NAME
fi
done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
109 lines
3.2 KiB
LLVM
109 lines
3.2 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -enable-if-conversion -dce -instcombine -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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; This is the loop in this example:
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;
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;int function0(int *a, int *b, int start, int end) {
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;
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; for (int i=start; i<end; ++i) {
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; unsigned k = a[i];
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;
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; if (a[i] > b[i]) <------ notice the IF inside the loop.
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; k = k * 5 + 3;
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;
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; a[i] = k; <---- K is a phi node that becomes vector-select.
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; }
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;}
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;CHECK-LABEL: @function0(
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;CHECK: load <4 x i32>
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;CHECK: icmp sgt <4 x i32>
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;CHECK: mul <4 x i32>
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;CHECK: add <4 x i32>
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;CHECK: select <4 x i1>
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;CHECK: ret i32
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define i32 @function0(i32* nocapture %a, i32* nocapture %b, i32 %start, i32 %end) nounwind uwtable ssp {
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entry:
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%cmp16 = icmp slt i32 %start, %end
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br i1 %cmp16, label %for.body.lr.ph, label %for.end
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for.body.lr.ph:
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%0 = sext i32 %start to i64
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br label %for.body
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for.body:
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%indvars.iv = phi i64 [ %0, %for.body.lr.ph ], [ %indvars.iv.next, %if.end ]
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%arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
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%1 = load i32* %arrayidx, align 4
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%arrayidx4 = getelementptr inbounds i32* %b, i64 %indvars.iv
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%2 = load i32* %arrayidx4, align 4
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%cmp5 = icmp sgt i32 %1, %2
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br i1 %cmp5, label %if.then, label %if.end
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if.then:
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%mul = mul i32 %1, 5
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%add = add i32 %mul, 3
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br label %if.end
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if.end:
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%k.0 = phi i32 [ %add, %if.then ], [ %1, %for.body ]
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store i32 %k.0, i32* %arrayidx, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%3 = trunc i64 %indvars.iv.next to i32
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%cmp = icmp slt i32 %3, %end
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret i32 undef
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}
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; int func(int *A, int n) {
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; unsigned sum = 0;
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; for (int i = 0; i < n; ++i)
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; if (A[i] > 30)
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; sum += A[i] + 2;
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;
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; return sum;
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; }
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;CHECK-LABEL: @reduction_func(
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;CHECK: load <4 x i32>
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;CHECK: icmp sgt <4 x i32>
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;CHECK: add <4 x i32>
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;CHECK: select <4 x i1>
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;CHECK: ret i32
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define i32 @reduction_func(i32* nocapture %A, i32 %n) nounwind uwtable readonly ssp {
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entry:
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%cmp10 = icmp sgt i32 %n, 0
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br i1 %cmp10, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.inc
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
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%sum.011 = phi i32 [ %sum.1, %for.inc ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds i32* %A, i64 %indvars.iv
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%0 = load i32* %arrayidx, align 4
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%cmp1 = icmp sgt i32 %0, 30
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br i1 %cmp1, label %if.then, label %for.inc
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if.then: ; preds = %for.body
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%add = add i32 %sum.011, 2
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%add4 = add i32 %add, %0
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br label %for.inc
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for.inc: ; preds = %for.body, %if.then
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%sum.1 = phi i32 [ %add4, %if.then ], [ %sum.011, %for.body ]
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.inc, %entry
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%sum.0.lcssa = phi i32 [ 0, %entry ], [ %sum.1, %for.inc ]
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ret i32 %sum.0.lcssa
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}
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