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1; RUN: opt -O2 -S -mtriple=bpf-pc-linux %s -o %t12; RUN: llc %t1 -mcpu=v1 -o - | FileCheck -check-prefixes=CHECK,CHECK-V1 %s3; RUN: opt -O2 -S -mtriple=bpf-pc-linux %s -o %t14; RUN: llc %t1 -mcpu=v3 -o - | FileCheck -check-prefixes=CHECK,CHECK-V3 %s5;6; Source:7; int test1(unsigned long a) {8; if ((unsigned)a <= 3) return 2;9; return 3;10; }11; int test2(unsigned long a) {12; if ((unsigned)a < 4) return 2;13; return 3;14; }15; Compilation flag:16; clang -target bpf -O2 -S -emit-llvm -Xclang -disable-llvm-passes test.c17 18; Function Attrs: nounwind19define dso_local i32 @test1(i64 %a) #0 {20entry:21 %retval = alloca i32, align 422 %a.addr = alloca i64, align 823 store i64 %a, ptr %a.addr, align 8, !tbaa !324 %0 = load i64, ptr %a.addr, align 8, !tbaa !325 %conv = trunc i64 %0 to i3226 %cmp = icmp ule i32 %conv, 327 br i1 %cmp, label %if.then, label %if.end28 29if.then: ; preds = %entry30 store i32 2, ptr %retval, align 431 br label %return32 33if.end: ; preds = %entry34 store i32 3, ptr %retval, align 435 br label %return36 37return: ; preds = %if.end, %if.then38 %1 = load i32, ptr %retval, align 439 ret i32 %140}41 42; CHECK-LABEL: test143; CHECK-V1: if r[[#]] > r[[#]] goto44; CHECK-V3: if w[[#]] < 4 goto45 46; Function Attrs: nounwind47define dso_local i32 @test2(i64 %a) #0 {48entry:49 %retval = alloca i32, align 450 %a.addr = alloca i64, align 851 store i64 %a, ptr %a.addr, align 8, !tbaa !352 %0 = load i64, ptr %a.addr, align 8, !tbaa !353 %conv = trunc i64 %0 to i3254 %cmp = icmp ult i32 %conv, 455 br i1 %cmp, label %if.then, label %if.end56 57if.then: ; preds = %entry58 store i32 2, ptr %retval, align 459 br label %return60 61if.end: ; preds = %entry62 store i32 3, ptr %retval, align 463 br label %return64 65return: ; preds = %if.end, %if.then66 %1 = load i32, ptr %retval, align 467 ret i32 %168}69 70; CHECK-LABEL: test271; CHECK-V1: if r[[#]] > r[[#]] goto72; CHECK-V3: if w[[#]] < 4 goto73 74attributes #0 = { nounwind "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }75 76!llvm.module.flags = !{!0, !1}77!llvm.ident = !{!2}78 79!0 = !{i32 1, !"wchar_size", i32 4}80!1 = !{i32 7, !"frame-pointer", i32 2}81!2 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git b7892f95881c891032742e0cd81861b845512653)"}82!3 = !{!4, !4, i64 0}83!4 = !{!"long", !5, i64 0}84!5 = !{!"omnipotent char", !6, i64 0}85!6 = !{!"Simple C/C++ TBAA"}86