| ; RUN: llc < %s | |
| ; PR4136 | |
| target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8" | |
| target triple = "msp430-unknown-linux-gnu" | |
| @uip_len = external global i16 ; <i16*> [#uses=2] | |
| define void @uip_arp_arpin() nounwind { | |
| entry: | |
| %tmp = volatile load i16* @uip_len ; <i16> [#uses=1] | |
| %cmp = icmp ult i16 %tmp, 42 ; <i1> [#uses=1] | |
| volatile store i16 0, i16* @uip_len | |
| br i1 %cmp, label %if.then, label %if.end | |
| if.then: ; preds = %entry | |
| ret void | |
| if.end: ; preds = %entry | |
| switch i16 0, label %return [ | |
| i16 256, label %sw.bb | |
| i16 512, label %sw.bb18 | |
| ] | |
| sw.bb: ; preds = %if.end | |
| ret void | |
| sw.bb18: ; preds = %if.end | |
| ret void | |
| return: ; preds = %if.end | |
| ret void | |
| } |