| ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s | |
| define void @t() nounwind ssp { | |
| ; CHECK: t: | |
| entry: | |
| br i1 undef, label %return, label %if.end.i | |
| if.end.i: ; preds = %entry | |
| %tmp7.i = load i32* undef, align 4, !tbaa !0 | |
| br i1 undef, label %return, label %if.end | |
| if.end: ; preds = %if.end.i | |
| ; CHECK: %if.end | |
| ; CHECK: movl (%{{.*}}), [[REG:%[a-z]+]] | |
| ; CHECK-NOT: movl [[REG]], [[REG]] | |
| ; CHECK-NEXT: testl [[REG]], [[REG]] | |
| ; CHECK-NEXT: xorb | |
| %tmp138 = select i1 undef, i32 0, i32 %tmp7.i | |
| %tmp867 = zext i32 %tmp138 to i64 | |
| br label %while.cond | |
| while.cond: ; preds = %while.body, %if.end | |
| %tmp869 = sub i64 %tmp867, 0 | |
| %scale2.0 = trunc i64 %tmp869 to i32 | |
| %cmp149 = icmp eq i32 %scale2.0, 0 | |
| br i1 %cmp149, label %while.end, label %land.rhs | |
| land.rhs: ; preds = %while.cond | |
| br i1 undef, label %while.body, label %while.end | |
| while.body: ; preds = %land.rhs | |
| br label %while.cond | |
| while.end: ; preds = %land.rhs, %while.cond | |
| br i1 undef, label %cond.false205, label %cond.true190 | |
| cond.true190: ; preds = %while.end | |
| br i1 undef, label %cond.false242, label %cond.true225 | |
| cond.false205: ; preds = %while.end | |
| unreachable | |
| cond.true225: ; preds = %cond.true190 | |
| br i1 undef, label %cond.false280, label %cond.true271 | |
| cond.false242: ; preds = %cond.true190 | |
| unreachable | |
| cond.true271: ; preds = %cond.true225 | |
| unreachable | |
| cond.false280: ; preds = %cond.true225 | |
| unreachable | |
| return: ; preds = %if.end.i, %entry | |
| ret void | |
| } | |
| !0 = metadata !{metadata !"int", metadata !1} | |
| !1 = metadata !{metadata !"omnipotent char", metadata !2} | |
| !2 = metadata !{metadata !"Simple C/C++ TBAA", null} |