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1; Test 32-bit unsigned comparison in which the second operand is a variable.2;3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s4 5; Check register comparison.6define double @f1(double %a, double %b, i32 %i1, i32 %i2) {7; CHECK-LABEL: f1:8; CHECK: clrbl %r2, %r3, 0(%r14)9; CHECK: ldr %f0, %f210; CHECK: br %r1411 %cond = icmp ult i32 %i1, %i212 %res = select i1 %cond, double %a, double %b13 ret double %res14}15 16; Check the low end of the CL range.17define double @f2(double %a, double %b, i32 %i1, ptr %ptr) {18; CHECK-LABEL: f2:19; CHECK: cl %r2, 0(%r3)20; CHECK-NEXT: blr %r1421; CHECK: ldr %f0, %f222; CHECK: br %r1423 %i2 = load i32, ptr %ptr24 %cond = icmp ult i32 %i1, %i225 %res = select i1 %cond, double %a, double %b26 ret double %res27}28 29; Check the high end of the aligned CL range.30define double @f3(double %a, double %b, i32 %i1, ptr %base) {31; CHECK-LABEL: f3:32; CHECK: cl %r2, 4092(%r3)33; CHECK-NEXT: blr %r1434; CHECK: ldr %f0, %f235; CHECK: br %r1436 %ptr = getelementptr i32, ptr %base, i64 102337 %i2 = load i32, ptr %ptr38 %cond = icmp ult i32 %i1, %i239 %res = select i1 %cond, double %a, double %b40 ret double %res41}42 43; Check the next word up, which should use CLY instead of CL.44define double @f4(double %a, double %b, i32 %i1, ptr %base) {45; CHECK-LABEL: f4:46; CHECK: cly %r2, 4096(%r3)47; CHECK-NEXT: blr %r1448; CHECK: ldr %f0, %f249; CHECK: br %r1450 %ptr = getelementptr i32, ptr %base, i64 102451 %i2 = load i32, ptr %ptr52 %cond = icmp ult i32 %i1, %i253 %res = select i1 %cond, double %a, double %b54 ret double %res55}56 57; Check the high end of the aligned CLY range.58define double @f5(double %a, double %b, i32 %i1, ptr %base) {59; CHECK-LABEL: f5:60; CHECK: cly %r2, 524284(%r3)61; CHECK-NEXT: blr %r1462; CHECK: ldr %f0, %f263; CHECK: br %r1464 %ptr = getelementptr i32, ptr %base, i64 13107165 %i2 = load i32, ptr %ptr66 %cond = icmp ult i32 %i1, %i267 %res = select i1 %cond, double %a, double %b68 ret double %res69}70 71; Check the next word up, which needs separate address logic.72; Other sequences besides this one would be OK.73define double @f6(double %a, double %b, i32 %i1, ptr %base) {74; CHECK-LABEL: f6:75; CHECK: agfi %r3, 52428876; CHECK: cl %r2, 0(%r3)77; CHECK-NEXT: blr %r1478; CHECK: ldr %f0, %f279; CHECK: br %r1480 %ptr = getelementptr i32, ptr %base, i64 13107281 %i2 = load i32, ptr %ptr82 %cond = icmp ult i32 %i1, %i283 %res = select i1 %cond, double %a, double %b84 ret double %res85}86 87; Check the high end of the negative aligned CLY range.88define double @f7(double %a, double %b, i32 %i1, ptr %base) {89; CHECK-LABEL: f7:90; CHECK: cly %r2, -4(%r3)91; CHECK-NEXT: blr %r1492; CHECK: ldr %f0, %f293; CHECK: br %r1494 %ptr = getelementptr i32, ptr %base, i64 -195 %i2 = load i32, ptr %ptr96 %cond = icmp ult i32 %i1, %i297 %res = select i1 %cond, double %a, double %b98 ret double %res99}100 101; Check the low end of the CLY range.102define double @f8(double %a, double %b, i32 %i1, ptr %base) {103; CHECK-LABEL: f8:104; CHECK: cly %r2, -524288(%r3)105; CHECK-NEXT: blr %r14106; CHECK: ldr %f0, %f2107; CHECK: br %r14108 %ptr = getelementptr i32, ptr %base, i64 -131072109 %i2 = load i32, ptr %ptr110 %cond = icmp ult i32 %i1, %i2111 %res = select i1 %cond, double %a, double %b112 ret double %res113}114 115; Check the next word down, which needs separate address logic.116; Other sequences besides this one would be OK.117define double @f9(double %a, double %b, i32 %i1, ptr %base) {118; CHECK-LABEL: f9:119; CHECK: agfi %r3, -524292120; CHECK: cl %r2, 0(%r3)121; CHECK-NEXT: blr %r14122; CHECK: ldr %f0, %f2123; CHECK: br %r14124 %ptr = getelementptr i32, ptr %base, i64 -131073125 %i2 = load i32, ptr %ptr126 %cond = icmp ult i32 %i1, %i2127 %res = select i1 %cond, double %a, double %b128 ret double %res129}130 131; Check that CL allows an index.132define double @f10(double %a, double %b, i32 %i1, i64 %base, i64 %index) {133; CHECK-LABEL: f10:134; CHECK: cl %r2, 4092({{%r4,%r3|%r3,%r4}})135; CHECK-NEXT: blr %r14136; CHECK: ldr %f0, %f2137; CHECK: br %r14138 %add1 = add i64 %base, %index139 %add2 = add i64 %add1, 4092140 %ptr = inttoptr i64 %add2 to ptr141 %i2 = load i32, ptr %ptr142 %cond = icmp ult i32 %i1, %i2143 %res = select i1 %cond, double %a, double %b144 ret double %res145}146 147; Check that CLY allows an index.148define double @f11(double %a, double %b, i32 %i1, i64 %base, i64 %index) {149; CHECK-LABEL: f11:150; CHECK: cly %r2, 4096({{%r4,%r3|%r3,%r4}})151; CHECK-NEXT: blr %r14152; CHECK: ldr %f0, %f2153; CHECK: br %r14154 %add1 = add i64 %base, %index155 %add2 = add i64 %add1, 4096156 %ptr = inttoptr i64 %add2 to ptr157 %i2 = load i32, ptr %ptr158 %cond = icmp ult i32 %i1, %i2159 %res = select i1 %cond, double %a, double %b160 ret double %res161}162 163; Check the comparison can be reversed if that allows CL to be used.164define double @f12(double %a, double %b, i32 %i2, ptr %ptr) {165; CHECK-LABEL: f12:166; CHECK: cl %r2, 0(%r3)167; CHECK-NEXT: bhr %r14168; CHECK: ldr %f0, %f2169; CHECK: br %r14170 %i1 = load i32, ptr %ptr171 %cond = icmp ult i32 %i1, %i2172 %res = select i1 %cond, double %a, double %b173 ret double %res174}175