1; Test 64-bit GPR stores. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5; Check STG with no displacement. 6define void @f1(i64 *%dst, i64 %val) { 7; CHECK-LABEL: f1: 8; CHECK: stg %r3, 0(%r2) 9; CHECK: br %r14 10 store i64 %val, i64 *%dst 11 ret void 12} 13 14; Check the high end of the aligned STG range. 15define void @f2(i64 *%dst, i64 %val) { 16; CHECK-LABEL: f2: 17; CHECK: stg %r3, 524280(%r2) 18; CHECK: br %r14 19 %ptr = getelementptr i64, i64 *%dst, i64 65535 20 store i64 %val, i64 *%ptr 21 ret void 22} 23 24; Check the next doubleword up, which needs separate address logic. 25; Other sequences besides this one would be OK. 26define void @f3(i64 *%dst, i64 %val) { 27; CHECK-LABEL: f3: 28; CHECK: agfi %r2, 524288 29; CHECK: stg %r3, 0(%r2) 30; CHECK: br %r14 31 %ptr = getelementptr i64, i64 *%dst, i64 65536 32 store i64 %val, i64 *%ptr 33 ret void 34} 35 36; Check the high end of the negative aligned STG range. 37define void @f4(i64 *%dst, i64 %val) { 38; CHECK-LABEL: f4: 39; CHECK: stg %r3, -8(%r2) 40; CHECK: br %r14 41 %ptr = getelementptr i64, i64 *%dst, i64 -1 42 store i64 %val, i64 *%ptr 43 ret void 44} 45 46; Check the low end of the STG range. 47define void @f5(i64 *%dst, i64 %val) { 48; CHECK-LABEL: f5: 49; CHECK: stg %r3, -524288(%r2) 50; CHECK: br %r14 51 %ptr = getelementptr i64, i64 *%dst, i64 -65536 52 store i64 %val, i64 *%ptr 53 ret void 54} 55 56; Check the next doubleword down, which needs separate address logic. 57; Other sequences besides this one would be OK. 58define void @f6(i64 *%dst, i64 %val) { 59; CHECK-LABEL: f6: 60; CHECK: agfi %r2, -524296 61; CHECK: stg %r3, 0(%r2) 62; CHECK: br %r14 63 %ptr = getelementptr i64, i64 *%dst, i64 -65537 64 store i64 %val, i64 *%ptr 65 ret void 66} 67 68; Check that STG allows an index. 69define void @f7(i64 %dst, i64 %index, i64 %val) { 70; CHECK-LABEL: f7: 71; CHECK: stg %r4, 524287({{%r3,%r2|%r2,%r3}}) 72; CHECK: br %r14 73 %add1 = add i64 %dst, %index 74 %add2 = add i64 %add1, 524287 75 %ptr = inttoptr i64 %add2 to i64 * 76 store i64 %val, i64 *%ptr 77 ret void 78} 79