1 ; RUN: llc < %s | FileCheck %s 2 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" 3 target triple = "x86_64-apple-darwin10.0.0" 4 5 define i32 @f(i32 %x) nounwind ssp { 6 entry: 7 %shl.i = shl i32 %x, 12 8 %neg.i = xor i32 %shl.i, -1 9 %add.i = add nsw i32 %neg.i, %x 10 %shr.i = ashr i32 %add.i, 22 11 %xor.i = xor i32 %shr.i, %add.i 12 %shl5.i = shl i32 %xor.i, 13 13 %neg6.i = xor i32 %shl5.i, -1 14 %add8.i = add nsw i32 %xor.i, %neg6.i 15 %shr10.i = ashr i32 %add8.i, 8 16 %xor12.i = xor i32 %shr10.i, %add8.i 17 %add16.i = mul i32 %xor12.i, 9 18 %shr18.i = ashr i32 %add16.i, 15 19 %xor20.i = xor i32 %shr18.i, %add16.i 20 %shl22.i = shl i32 %xor20.i, 27 21 %neg23.i = xor i32 %shl22.i, -1 22 %add25.i = add nsw i32 %xor20.i, %neg23.i 23 %shr27.i = ashr i32 %add25.i, 31 24 %rem = srem i32 %x, 7 25 %cmp = icmp eq i32 %rem, 3 26 br i1 %cmp, label %land.lhs.true, label %do.body.preheader 27 28 land.lhs.true: 29 %call3 = tail call i32 @g(i32 %x) nounwind 30 %cmp4 = icmp eq i32 %call3, 10 31 br i1 %cmp4, label %do.body.preheader, label %if.then 32 33 ; %add16.i should be sinked all the way down to do.body.preheader, but not into the loop. 34 ; CHECK: do.body.preheader 35 ; CHECK-NOT: do.body 36 ; CHECK: leal ([[SRC:%r[a-z0-9]+]],[[SRC]],8) 37 38 do.body.preheader: 39 %xor29.i = xor i32 %shr27.i, %add25.i 40 br label %do.body 41 42 if.then: 43 %add = add nsw i32 %x, 11 44 ret i32 %add 45 46 do.body: 47 %x.addr.1 = phi i32 [ %add9, %do.body ], [ %x, %do.body.preheader ] 48 %xor = xor i32 %xor29.i, %x.addr.1 49 %add9 = add nsw i32 %xor, %x.addr.1 50 %and = and i32 %add9, 13 51 %tobool = icmp eq i32 %and, 0 52 br i1 %tobool, label %if.end, label %do.body 53 54 if.end: 55 ret i32 %add9 56 } 57 58 declare i32 @g(i32) 59
