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1; Test 16-bit unsigned comparisons between memory and a constant.2;3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s4 5; Check a value near the low end of the unsigned 16-bit range.6define double @f1(double %a, double %b, ptr %ptr) {7; CHECK-LABEL: f1:8; CHECK: clhhsi 0(%r2), 19; CHECK-NEXT: bhr %r1410; CHECK: ldr %f0, %f211; CHECK: br %r1412 %val = load i16, ptr %ptr13 %cond = icmp ugt i16 %val, 114 %res = select i1 %cond, double %a, double %b15 ret double %res16}17 18; Check a value near the high end of the unsigned 16-bit range.19define double @f2(double %a, double %b, ptr %ptr) {20; CHECK-LABEL: f2:21; CHECK: clhhsi 0(%r2), 6553422; CHECK-NEXT: blr %r1423; CHECK: ldr %f0, %f224; CHECK: br %r1425 %val = load i16, ptr %ptr26 %cond = icmp ult i16 %val, 6553427 %res = select i1 %cond, double %a, double %b28 ret double %res29}30 31; Check the high end of the CLHHSI range.32define double @f3(double %a, double %b, i16 %i1, ptr %base) {33; CHECK-LABEL: f3:34; CHECK: clhhsi 4094(%r3), 135; CHECK-NEXT: bhr %r1436; CHECK: ldr %f0, %f237; CHECK: br %r1438 %ptr = getelementptr i16, ptr %base, i64 204739 %val = load i16, ptr %ptr40 %cond = icmp ugt i16 %val, 141 %res = select i1 %cond, double %a, double %b42 ret double %res43}44 45; Check the next halfword up, which needs separate address logic,46define double @f4(double %a, double %b, ptr %base) {47; CHECK-LABEL: f4:48; CHECK: aghi %r2, 409649; CHECK: clhhsi 0(%r2), 150; CHECK-NEXT: bhr %r1451; CHECK: ldr %f0, %f252; CHECK: br %r1453 %ptr = getelementptr i16, ptr %base, i64 204854 %val = load i16, ptr %ptr55 %cond = icmp ugt i16 %val, 156 %res = select i1 %cond, double %a, double %b57 ret double %res58}59 60; Check negative offsets, which also need separate address logic.61define double @f5(double %a, double %b, ptr %base) {62; CHECK-LABEL: f5:63; CHECK: aghi %r2, -264; CHECK: clhhsi 0(%r2), 165; CHECK-NEXT: bhr %r1466; CHECK: ldr %f0, %f267; CHECK: br %r1468 %ptr = getelementptr i16, ptr %base, i64 -169 %val = load i16, ptr %ptr70 %cond = icmp ugt i16 %val, 171 %res = select i1 %cond, double %a, double %b72 ret double %res73}74 75; Check that CLHHSI does not allow indices.76define double @f6(double %a, double %b, i64 %base, i64 %index) {77; CHECK-LABEL: f6:78; CHECK: agr {{%r2, %r3|%r3, %r2}}79; CHECK: clhhsi 0({{%r[23]}}), 180; CHECK-NEXT: bhr %r1481; CHECK: ldr %f0, %f282; CHECK: br %r1483 %add = add i64 %base, %index84 %ptr = inttoptr i64 %add to ptr85 %val = load i16, ptr %ptr86 %cond = icmp ugt i16 %val, 187 %res = select i1 %cond, double %a, double %b88 ret double %res89}90