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      1 ; RUN: llc < %s -march=x86 > %t
      2 ; RUN: grep dec %t | count 1
      3 ; RUN: not grep test %t
      4 ; RUN: not grep cmp %t
      5 
      6 define void @foo(i32 %n, double* nocapture %p) nounwind {
      7 	br label %bb
      8 
      9 bb:
     10 	%indvar = phi i32 [ 0, %0 ], [ %indvar.next, %bb ]
     11 	%i.03 = sub i32 %n, %indvar
     12 	%1 = getelementptr double, double* %p, i32 %i.03
     13 	%2 = load double, double* %1, align 4
     14 	%3 = fmul double %2, 2.930000e+00
     15 	store double %3, double* %1, align 4
     16 	%4 = add i32 %i.03, -1
     17 	%phitmp = icmp slt i32 %4, 0
     18 	%indvar.next = add i32 %indvar, 1
     19 	br i1 %phitmp, label %bb, label %return
     20 
     21 return:
     22 	ret void
     23 }
     24