; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s %"class.std::bitset" = type { [8 x i8] } define zeroext i1 @_Z3fooPjmS_mRSt6bitsetILm32EE(i32* nocapture %a, i64 %asize, i32* nocapture %b, i64 %bsize, %"class.std::bitset"* %bits) nounwind readonly ssp noredzone { entry: %tmp.i.i.i.i = bitcast %"class.std::bitset"* %bits to i64* br label %for.cond for.cond: ; preds = %for.inc, %entry %0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] %conv = zext i32 %0 to i64 %cmp = icmp eq i64 %conv, %bsize br i1 %cmp, label %return, label %for.body for.body: ; preds = %for.cond %arrayidx = getelementptr inbounds i32, i32* %b, i64 %conv %tmp5 = load i32, i32* %arrayidx, align 4 %conv6 = zext i32 %tmp5 to i64 %rem.i.i.i.i = and i64 %conv6, 63 %tmp3.i = load i64, i64* %tmp.i.i.i.i, align 8 %shl.i.i = shl i64 1, %rem.i.i.i.i %and.i = and i64 %shl.i.i, %tmp3.i %cmp.i = icmp eq i64 %and.i, 0 br i1 %cmp.i, label %for.inc, label %return for.inc: ; preds = %for.body %inc = add i32 %0, 1 br label %for.cond return: ; preds = %for.body, %for.cond ; CHECK-NOT: and %retval.0 = phi i1 [ true, %for.body ], [ false, %for.cond ] ret i1 %retval.0 } ; This test case caused an assertion failure; see PR9324. define void @func_37() noreturn nounwind ssp { entry: br i1 undef, label %lbl_919, label %entry.for.inc_crit_edge entry.for.inc_crit_edge: ; preds = %entry br label %for.inc lbl_919: ; preds = %for.cond7.preheader, %entry br label %for.cond7.preheader for.cond7.preheader: ; preds = %for.inc, %lbl_919 %storemerge.ph = phi i8 [ 0, %lbl_919 ], [ %add, %for.inc ] br i1 undef, label %for.inc, label %lbl_919 for.inc: ; preds = %for.cond7.preheader, %entry.for.inc_crit_edge %add = add i8 undef, 1 br label %for.cond7.preheader }