--- /dev/null
+; RUN: opt -O2 -S -mtriple=bpf-pc-linux %s -o %t1
+; RUN: llc %t1 -o - | FileCheck -check-prefixes=CHECK,CHECK-V1 %s
+; RUN: opt -O2 -S -mtriple=bpf-pc-linux %s -o %t1
+; RUN: llc %t1 -mcpu=v3 -o - | FileCheck -check-prefixes=CHECK,CHECK-V3 %s
+;
+; Source:
+; int test1(unsigned long a) {
+; if ((unsigned)a > 3) return 2;
+; return 3;
+; }
+; int test2(unsigned long a) {
+; if ((unsigned)a >= 4) return 2;
+; return 3;
+; }
+; Compilation flag:
+; clang -target bpf -O2 -S -emit-llvm -Xclang -disable-llvm-passes test.c
+
+; Function Attrs: nounwind
+define dso_local i32 @test1(i64 %a) #0 {
+entry:
+ %retval = alloca i32, align 4
+ %a.addr = alloca i64, align 8
+ store i64 %a, i64* %a.addr, align 8, !tbaa !3
+ %0 = load i64, i64* %a.addr, align 8, !tbaa !3
+ %conv = trunc i64 %0 to i32
+ %cmp = icmp ugt i32 %conv, 3
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then: ; preds = %entry
+ store i32 2, i32* %retval, align 4
+ br label %return
+
+if.end: ; preds = %entry
+ store i32 3, i32* %retval, align 4
+ br label %return
+
+return: ; preds = %if.end, %if.then
+ %1 = load i32, i32* %retval, align 4
+ ret i32 %1
+}
+
+; CHECK-LABEL: test1
+; CHECK-V1: if r[[#]] > 3 goto
+; CHECK-V3: if w[[#]] > 3 goto
+
+; Function Attrs: nounwind
+define dso_local i32 @test2(i64 %a) #0 {
+entry:
+ %retval = alloca i32, align 4
+ %a.addr = alloca i64, align 8
+ store i64 %a, i64* %a.addr, align 8, !tbaa !3
+ %0 = load i64, i64* %a.addr, align 8, !tbaa !3
+ %conv = trunc i64 %0 to i32
+ %cmp = icmp uge i32 %conv, 4
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then: ; preds = %entry
+ store i32 2, i32* %retval, align 4
+ br label %return
+
+if.end: ; preds = %entry
+ store i32 3, i32* %retval, align 4
+ br label %return
+
+return: ; preds = %if.end, %if.then
+ %1 = load i32, i32* %retval, align 4
+ ret i32 %1
+}
+
+; CHECK-LABEL: test2
+; CHECK-V1: if r[[#]] > 3 goto
+; CHECK-V3: if w[[#]] > 3 goto
+
+attributes #0 = { nounwind "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
+
+!llvm.module.flags = !{!0, !1}
+!llvm.ident = !{!2}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{i32 7, !"frame-pointer", i32 2}
+!2 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git 930ccf0191b4a33332d924522e5676fff583f083)"}
+!3 = !{!4, !4, i64 0}
+!4 = !{!"long", !5, i64 0}
+!5 = !{!"omnipotent char", !6, i64 0}
+!6 = !{!"Simple C/C++ TBAA"}