1 ; Test 64-bit floating-point loads. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5 ; Test the low end of the LD range. 6 define double @f1(double *%src) { 7 ; CHECK-LABEL: f1: 8 ; CHECK: ld %f0, 0(%r2) 9 ; CHECK: br %r14 10 %val = load double *%src 11 ret double %val 12 } 13 14 ; Test the high end of the LD range. 15 define double @f2(double *%src) { 16 ; CHECK-LABEL: f2: 17 ; CHECK: ld %f0, 4088(%r2) 18 ; CHECK: br %r14 19 %ptr = getelementptr double *%src, i64 511 20 %val = load double *%ptr 21 ret double %val 22 } 23 24 ; Check the next doubleword up, which should use LDY instead of LD. 25 define double @f3(double *%src) { 26 ; CHECK-LABEL: f3: 27 ; CHECK: ldy %f0, 4096(%r2) 28 ; CHECK: br %r14 29 %ptr = getelementptr double *%src, i64 512 30 %val = load double *%ptr 31 ret double %val 32 } 33 34 ; Check the high end of the aligned LDY range. 35 define double @f4(double *%src) { 36 ; CHECK-LABEL: f4: 37 ; CHECK: ldy %f0, 524280(%r2) 38 ; CHECK: br %r14 39 %ptr = getelementptr double *%src, i64 65535 40 %val = load double *%ptr 41 ret double %val 42 } 43 44 ; Check the next doubleword up, which needs separate address logic. 45 ; Other sequences besides this one would be OK. 46 define double @f5(double *%src) { 47 ; CHECK-LABEL: f5: 48 ; CHECK: agfi %r2, 524288 49 ; CHECK: ld %f0, 0(%r2) 50 ; CHECK: br %r14 51 %ptr = getelementptr double *%src, i64 65536 52 %val = load double *%ptr 53 ret double %val 54 } 55 56 ; Check the high end of the negative aligned LDY range. 57 define double @f6(double *%src) { 58 ; CHECK-LABEL: f6: 59 ; CHECK: ldy %f0, -8(%r2) 60 ; CHECK: br %r14 61 %ptr = getelementptr double *%src, i64 -1 62 %val = load double *%ptr 63 ret double %val 64 } 65 66 ; Check the low end of the LDY range. 67 define double @f7(double *%src) { 68 ; CHECK-LABEL: f7: 69 ; CHECK: ldy %f0, -524288(%r2) 70 ; CHECK: br %r14 71 %ptr = getelementptr double *%src, i64 -65536 72 %val = load double *%ptr 73 ret double %val 74 } 75 76 ; Check the next doubleword down, which needs separate address logic. 77 ; Other sequences besides this one would be OK. 78 define double @f8(double *%src) { 79 ; CHECK-LABEL: f8: 80 ; CHECK: agfi %r2, -524296 81 ; CHECK: ld %f0, 0(%r2) 82 ; CHECK: br %r14 83 %ptr = getelementptr double *%src, i64 -65537 84 %val = load double *%ptr 85 ret double %val 86 } 87 88 ; Check that LD allows an index. 89 define double @f9(i64 %src, i64 %index) { 90 ; CHECK-LABEL: f9: 91 ; CHECK: ld %f0, 4095({{%r3,%r2|%r2,%r3}}) 92 ; CHECK: br %r14 93 %add1 = add i64 %src, %index 94 %add2 = add i64 %add1, 4095 95 %ptr = inttoptr i64 %add2 to double * 96 %val = load double *%ptr 97 ret double %val 98 } 99 100 ; Check that LDY allows an index. 101 define double @f10(i64 %src, i64 %index) { 102 ; CHECK-LABEL: f10: 103 ; CHECK: ldy %f0, 4096({{%r3,%r2|%r2,%r3}}) 104 ; CHECK: br %r14 105 %add1 = add i64 %src, %index 106 %add2 = add i64 %add1, 4096 107 %ptr = inttoptr i64 %add2 to double * 108 %val = load double *%ptr 109 ret double %val 110 } 111
