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1; RUN: llc -O1 < %s2; PR121383target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"4target triple = "i386-apple-macosx10.7.0"5 6%struct.S0 = type { i8, i32 }7 8@d = external global [2 x [2 x %struct.S0]], align 49@c = external global i32, align 410@e = external global i32, align 411@b = external global i32, align 412@a = external global i32, align 413 14define void @fn2() nounwind optsize ssp {15entry:16 store i64 0, ptr @d, align 417 %0 = load i32, ptr @c, align 418 %tobool2 = icmp eq i32 %0, 019 %1 = load i32, ptr @a, align 420 %tobool4 = icmp eq i32 %1, 021 br label %for.cond22 23for.cond: ; preds = %if.end, %entry24 %f.1.0 = phi i32 [ undef, %entry ], [ %sub, %if.end ]25 %g.0 = phi i64 [ 0, %entry ], [ %ins, %if.end ]26 %tobool = icmp eq i32 %f.1.0, 027 br i1 %tobool, label %for.end, label %for.body28 29for.body: ; preds = %for.cond30 %2 = lshr i64 %g.0, 3231 %conv = trunc i64 %2 to i1632 br i1 %tobool2, label %lor.rhs, label %lor.end33 34lor.rhs: ; preds = %for.body35 store i32 1, ptr @e, align 436 br label %lor.end37 38lor.end: ; preds = %lor.rhs, %for.body39 %xor.i = xor i16 %conv, 140 %p1.lobit.i8 = lshr i64 %g.0, 4741 %p1.lobit.i8.tr = trunc i64 %p1.lobit.i8 to i1642 %p1.lobit.i = and i16 %p1.lobit.i8.tr, 143 %and.i = and i16 %p1.lobit.i, %xor.i44 %3 = xor i16 %and.i, 145 %sub.conv.i = sub i16 %conv, %346 %conv3 = sext i16 %sub.conv.i to i3247 store i32 %conv3, ptr @b, align 448 br i1 %tobool4, label %if.end, label %for.end49 50if.end: ; preds = %lor.end51 %mask = and i64 %g.0, -25652 %ins = or i64 %mask, 153 %sub = add nsw i32 %f.1.0, -154 br label %for.cond55 56for.end: ; preds = %lor.end, %for.cond57 ret void58}59