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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2;RUN: llc < %s -mtriple=riscv64-unknown-linux-gnu -mattr=+m | FileCheck %s3 4; This test used to cause an infinite loop.5 6@global = global i8 0, align 17@global.1 = global i32 0, align 48@global.2 = global i8 0, align 19@global.3 = global i32 0, align 410 11define signext i32 @wobble() nounwind {12; CHECK-LABEL: wobble:13; CHECK: # %bb.0: # %bb14; CHECK-NEXT: lui a0, %hi(global)15; CHECK-NEXT: lui a1, %hi(global.1)16; CHECK-NEXT: lbu a0, %lo(global)(a0)17; CHECK-NEXT: lui a2, %hi(global.2)18; CHECK-NEXT: lui a3, 5242919; CHECK-NEXT: lbu a2, %lo(global.2)(a2)20; CHECK-NEXT: addi a0, a0, 121; CHECK-NEXT: sw a0, %lo(global.1)(a1)22; CHECK-NEXT: lui a1, %hi(global.3)23; CHECK-NEXT: slli a3, a3, 424; CHECK-NEXT: mul a0, a0, a225; CHECK-NEXT: slli a2, a0, 4826; CHECK-NEXT: mulhu a2, a2, a327; CHECK-NEXT: srli a2, a2, 1828; CHECK-NEXT: li a3, 529; CHECK-NEXT: sw a2, %lo(global.3)(a1)30; CHECK-NEXT: bgeu a0, a3, .LBB0_231; CHECK-NEXT: # %bb.1: # %bb1232; CHECK-NEXT: li a0, 033; CHECK-NEXT: ret34; CHECK-NEXT: .LBB0_2: # %bb1035; CHECK-NEXT: tail quux36bb:37 %tmp = load i8, ptr @global, align 138 %tmp1 = zext i8 %tmp to i3239 %tmp2 = add nuw nsw i32 %tmp1, 140 store i32 %tmp2, ptr @global.1, align 441 %tmp3 = load i8, ptr @global.2, align 142 %tmp4 = zext i8 %tmp3 to i3243 %tmp5 = mul nuw nsw i32 %tmp2, %tmp444 %tmp6 = trunc i32 %tmp5 to i1645 %tmp7 = udiv i16 %tmp6, 546 %tmp8 = zext i16 %tmp7 to i3247 store i32 %tmp8, ptr @global.3, align 448 %tmp9 = icmp ult i32 %tmp5, 549 br i1 %tmp9, label %bb12, label %bb1050 51bb10: ; preds = %bb52 %tmp11 = tail call signext i32 @quux()53 br label %bb1254 55bb12: ; preds = %bb10, %bb56 ret i32 undef57}58 59declare signext i32 @quux(...)60