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	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
		
	
		
			
				
	
	
		
			46 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: opt < %s  -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -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-macosx10.8.0"
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; Make sure that the reverse iterators are calculated using 64bit arithmetic, not 32.
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;
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; int foo(int n, int *A) {
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;   int sum;
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;   for (int i=n; i > 0; i--)
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;     sum += A[i*2];
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;   return sum;
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; }
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;
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;CHECK-LABEL: @foo(
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;CHECK:  <i64 0, i64 -1, i64 -2, i64 -3>
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;CHECK: ret
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define i32 @foo(i32 %n, i32* nocapture %A) {
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  %1 = icmp sgt i32 %n, 0
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  br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph:                                           ; preds = %0
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  %2 = sext i32 %n to i64
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  br label %3
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; <label>:3                                       ; preds = %.lr.ph, %3
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  %indvars.iv = phi i64 [ %2, %.lr.ph ], [ %indvars.iv.next, %3 ]
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  %sum.01 = phi i32 [ undef, %.lr.ph ], [ %9, %3 ]
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  %4 = trunc i64 %indvars.iv to i32
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  %5 = shl nsw i32 %4, 1
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  %6 = sext i32 %5 to i64
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  %7 = getelementptr inbounds i32* %A, i64 %6
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  %8 = load i32* %7, align 4
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  %9 = add nsw i32 %8, %sum.01
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  %indvars.iv.next = add i64 %indvars.iv, -1
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  %10 = trunc i64 %indvars.iv.next to i32
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  %11 = icmp sgt i32 %10, 0
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  br i1 %11, label %3, label %._crit_edge
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._crit_edge:                                      ; preds = %3, %0
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  %sum.0.lcssa = phi i32 [ undef, %0 ], [ %9, %3 ]
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  ret i32 %sum.0.lcssa
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}
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