1 ; RUN: llc < %s -march=x86-64 | FileCheck %s 2 3 %"class.std::bitset" = type { [8 x i8] } 4 5 define zeroext i1 @_Z3fooPjmS_mRSt6bitsetILm32EE(i32* nocapture %a, i64 %asize, i32* nocapture %b, i64 %bsize, %"class.std::bitset"* %bits) nounwind readonly ssp noredzone { 6 entry: 7 %tmp.i.i.i.i = bitcast %"class.std::bitset"* %bits to i64* 8 br label %for.cond 9 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 15 16 for.body: ; preds = %for.cond 17 %arrayidx = getelementptr inbounds i32, i32* %b, i64 %conv 18 %tmp5 = load i32, 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, 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 26 27 for.inc: ; preds = %for.body 28 %inc = add i32 %0, 1 29 br label %for.cond 30 31 return: ; preds = %for.body, %for.cond 32 ; CHECK-NOT: and 33 %retval.0 = phi i1 [ true, %for.body ], [ false, %for.cond ] 34 ret i1 %retval.0 35 } 36 37 ; This test case caused an assertion failure; see PR9324. 38 define void @func_37() noreturn nounwind ssp { 39 entry: 40 br i1 undef, label %lbl_919, label %entry.for.inc_crit_edge 41 42 entry.for.inc_crit_edge: ; preds = %entry 43 br label %for.inc 44 45 lbl_919: ; preds = %for.cond7.preheader, %entry 46 br label %for.cond7.preheader 47 48 for.cond7.preheader: ; preds = %for.inc, %lbl_919 49 %storemerge.ph = phi i8 [ 0, %lbl_919 ], [ %add, %for.inc ] 50 br i1 undef, label %for.inc, label %lbl_919 51 52 for.inc: ; preds = %for.cond7.preheader, %entry.for.inc_crit_edge 53 %add = add i8 undef, 1 54 br label %for.cond7.preheader 55 } 56
