--- /dev/null
+; RUN: llc < %s -march=bpf -verify-machineinstrs | FileCheck %s
+; Source Code:
+; struct loc_prog {
+; unsigned int ip;
+; int len;
+; };
+; int exec_prog(struct loc_prog *prog) {
+; if (prog->ip < prog->len) {
+; int x = prog->ip;
+; if (x < 3)
+; prog->ip += 2;
+; }
+; return 3;
+; }
+; Compilation flag:
+; clang -target bpf -O2 -S -emit-llvm t.c
+
+%struct.loc_prog = type { i32, i32 }
+
+; Function Attrs: nofree norecurse nounwind willreturn
+define dso_local i32 @exec_prog(%struct.loc_prog* nocapture %prog) local_unnamed_addr {
+entry:
+ %ip = getelementptr inbounds %struct.loc_prog, %struct.loc_prog* %prog, i64 0, i32 0
+ %0 = load i32, i32* %ip, align 4
+ %len = getelementptr inbounds %struct.loc_prog, %struct.loc_prog* %prog, i64 0, i32 1
+ %1 = load i32, i32* %len, align 4
+ %cmp = icmp ult i32 %0, %1
+ %cmp2 = icmp slt i32 %0, 3
+ %or.cond = and i1 %cmp2, %cmp
+; CHECK: r{{[0-9]+}} <<= 32
+; CHECK: r{{[0-9]+}} s>>= 32
+ br i1 %or.cond, label %if.then3, label %if.end5
+
+if.then3: ; preds = %entry
+ %add = add nsw i32 %0, 2
+ store i32 %add, i32* %ip, align 4
+ br label %if.end5
+
+if.end5: ; preds = %if.then3, %entry
+ ret i32 3
+}