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1; Test 64-bit GPR loads.2;3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s4 5; Check LG with no displacement.6define i64 @f1(ptr %src) {7; CHECK-LABEL: f1:8; CHECK: lg %r2, 0(%r2)9; CHECK: br %r1410 %val = load i64, ptr %src11 ret i64 %val12}13 14; Check the high end of the aligned LG range.15define i64 @f2(ptr %src) {16; CHECK-LABEL: f2:17; CHECK: lg %r2, 524280(%r2)18; CHECK: br %r1419 %ptr = getelementptr i64, ptr %src, i64 6553520 %val = load i64, ptr %ptr21 ret i64 %val22}23 24; Check the next doubleword up, which needs separate address logic.25; Other sequences besides this one would be OK.26define i64 @f3(ptr %src) {27; CHECK-LABEL: f3:28; CHECK: agfi %r2, 52428829; CHECK: lg %r2, 0(%r2)30; CHECK: br %r1431 %ptr = getelementptr i64, ptr %src, i64 6553632 %val = load i64, ptr %ptr33 ret i64 %val34}35 36; Check the high end of the negative aligned LG range.37define i64 @f4(ptr %src) {38; CHECK-LABEL: f4:39; CHECK: lg %r2, -8(%r2)40; CHECK: br %r1441 %ptr = getelementptr i64, ptr %src, i64 -142 %val = load i64, ptr %ptr43 ret i64 %val44}45 46; Check the low end of the LG range.47define i64 @f5(ptr %src) {48; CHECK-LABEL: f5:49; CHECK: lg %r2, -524288(%r2)50; CHECK: br %r1451 %ptr = getelementptr i64, ptr %src, i64 -6553652 %val = load i64, ptr %ptr53 ret i64 %val54}55 56; Check the next doubleword down, which needs separate address logic.57; Other sequences besides this one would be OK.58define i64 @f6(ptr %src) {59; CHECK-LABEL: f6:60; CHECK: agfi %r2, -52429661; CHECK: lg %r2, 0(%r2)62; CHECK: br %r1463 %ptr = getelementptr i64, ptr %src, i64 -6553764 %val = load i64, ptr %ptr65 ret i64 %val66}67 68; Check that LG allows an index.69define i64 @f7(i64 %src, i64 %index) {70; CHECK-LABEL: f7:71; CHECK: lg %r2, 524287({{%r3,%r2|%r2,%r3}})72; CHECK: br %r1473 %add1 = add i64 %src, %index74 %add2 = add i64 %add1, 52428775 %ptr = inttoptr i64 %add2 to ptr76 %val = load i64, ptr %ptr77 ret i64 %val78}79