1 ; RUN: llc < %s -march=x86-64 | FileCheck %s
3 %"class.std::bitset" = type { [8 x i8] }
5 define zeroext i1 @_Z3fooPjmS_mRSt6bitsetILm32EE(i32* nocapture %a, i64 %asize, i32* nocapture %b, i64 %bsize, %"class.std::bitset"* %bits) nounwind readonly ssp noredzone {
7 %tmp.i.i.i.i = bitcast %"class.std::bitset"* %bits to i64*
10 for.cond: ; preds = %for.inc, %entry
11 %0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
12 %conv = zext i32 %0 to i64
13 %cmp = icmp eq i64 %conv, %bsize
14 br i1 %cmp, label %return, label %for.body
16 for.body: ; preds = %for.cond
17 %arrayidx = getelementptr inbounds i32* %b, i64 %conv
18 %tmp5 = load i32* %arrayidx, align 4
19 %conv6 = zext i32 %tmp5 to i64
20 %rem.i.i.i.i = and i64 %conv6, 63
21 %tmp3.i = load i64* %tmp.i.i.i.i, align 8
22 %shl.i.i = shl i64 1, %rem.i.i.i.i
23 %and.i = and i64 %shl.i.i, %tmp3.i
24 %cmp.i = icmp eq i64 %and.i, 0
25 br i1 %cmp.i, label %for.inc, label %return
27 for.inc: ; preds = %for.body
31 return: ; preds = %for.body, %for.cond
33 %retval.0 = phi i1 [ true, %for.body ], [ false, %for.cond ]