1 ; Test additions between an i64 and a sign-extended i16 on z14. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s 4 5 declare i64 @foo() 6 7 ; Check AGH with no displacement. 8 define i64 @f1(i64 %a, i16 *%src) { 9 ; CHECK-LABEL: f1: 10 ; CHECK: agh %r2, 0(%r3) 11 ; CHECK: br %r14 12 %b = load i16, i16 *%src 13 %bext = sext i16 %b to i64 14 %add = add i64 %a, %bext 15 ret i64 %add 16 } 17 18 ; Check the high end of the aligned AGH range. 19 define i64 @f2(i64 %a, i16 *%src) { 20 ; CHECK-LABEL: f2: 21 ; CHECK: agh %r2, 524286(%r3) 22 ; CHECK: br %r14 23 %ptr = getelementptr i16, i16 *%src, i64 262143 24 %b = load i16, i16 *%ptr 25 %bext = sext i16 %b to i64 26 %add = add i64 %a, %bext 27 ret i64 %add 28 } 29 30 ; Check the next word up, which needs separate address logic. 31 ; Other sequences besides this one would be OK. 32 define i64 @f3(i64 %a, i16 *%src) { 33 ; CHECK-LABEL: f3: 34 ; CHECK: agfi %r3, 524288 35 ; CHECK: agh %r2, 0(%r3) 36 ; CHECK: br %r14 37 %ptr = getelementptr i16, i16 *%src, i64 262144 38 %b = load i16, i16 *%ptr 39 %bext = sext i16 %b to i64 40 %add = add i64 %a, %bext 41 ret i64 %add 42 } 43 44 ; Check the high end of the negative aligned AGH range. 45 define i64 @f4(i64 %a, i16 *%src) { 46 ; CHECK-LABEL: f4: 47 ; CHECK: agh %r2, -2(%r3) 48 ; CHECK: br %r14 49 %ptr = getelementptr i16, i16 *%src, i64 -1 50 %b = load i16, i16 *%ptr 51 %bext = sext i16 %b to i64 52 %add = add i64 %a, %bext 53 ret i64 %add 54 } 55 56 ; Check the low end of the AGH range. 57 define i64 @f5(i64 %a, i16 *%src) { 58 ; CHECK-LABEL: f5: 59 ; CHECK: agh %r2, -524288(%r3) 60 ; CHECK: br %r14 61 %ptr = getelementptr i16, i16 *%src, i64 -262144 62 %b = load i16, i16 *%ptr 63 %bext = sext i16 %b to i64 64 %add = add i64 %a, %bext 65 ret i64 %add 66 } 67 68 ; Check the next word down, which needs separate address logic. 69 ; Other sequences besides this one would be OK. 70 define i64 @f6(i64 %a, i16 *%src) { 71 ; CHECK-LABEL: f6: 72 ; CHECK: agfi %r3, -524290 73 ; CHECK: agh %r2, 0(%r3) 74 ; CHECK: br %r14 75 %ptr = getelementptr i16, i16 *%src, i64 -262145 76 %b = load i16, i16 *%ptr 77 %bext = sext i16 %b to i64 78 %add = add i64 %a, %bext 79 ret i64 %add 80 } 81 82 ; Check that AGH allows an index. 83 define i64 @f7(i64 %a, i64 %src, i64 %index) { 84 ; CHECK-LABEL: f7: 85 ; CHECK: agh %r2, 524284({{%r4,%r3|%r3,%r4}}) 86 ; CHECK: br %r14 87 %add1 = add i64 %src, %index 88 %add2 = add i64 %add1, 524284 89 %ptr = inttoptr i64 %add2 to i16 * 90 %b = load i16, i16 *%ptr 91 %bext = sext i16 %b to i64 92 %add = add i64 %a, %bext 93 ret i64 %add 94 } 95 96
