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; Test 64-bit floating-point loads.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Test the low end of the LD range.
define double @f1(double *%src) {
; CHECK-LABEL: f1:
; CHECK: ld %f0, 0(%r2)
; CHECK: br %r14
%val = load double , double *%src
ret double %val
}
; Test the high end of the LD range.
define double @f2(double *%src) {
; CHECK-LABEL: f2:
; CHECK: ld %f0, 4088(%r2)
; CHECK: br %r14
%ptr = getelementptr double, double *%src, i64 511
%val = load double , double *%ptr
ret double %val
}
; Check the next doubleword up, which should use LDY instead of LD.
define double @f3(double *%src) {
; CHECK-LABEL: f3:
; CHECK: ldy %f0, 4096(%r2)
; CHECK: br %r14
%ptr = getelementptr double, double *%src, i64 512
%val = load double , double *%ptr
ret double %val
}
; Check the high end of the aligned LDY range.
define double @f4(double *%src) {
; CHECK-LABEL: f4:
; CHECK: ldy %f0, 524280(%r2)
; CHECK: br %r14
%ptr = getelementptr double, double *%src, i64 65535
%val = load double , double *%ptr
ret double %val
}
; Check the next doubleword up, which needs separate address logic.
; Other sequences besides this one would be OK.
define double @f5(double *%src) {
; CHECK-LABEL: f5:
; CHECK: agfi %r2, 524288
; CHECK: ld %f0, 0(%r2)
; CHECK: br %r14
%ptr = getelementptr double, double *%src, i64 65536
%val = load double , double *%ptr
ret double %val
}
; Check the high end of the negative aligned LDY range.
define double @f6(double *%src) {
; CHECK-LABEL: f6:
; CHECK: ldy %f0, -8(%r2)
; CHECK: br %r14
%ptr = getelementptr double, double *%src, i64 -1
%val = load double , double *%ptr
ret double %val
}
; Check the low end of the LDY range.
define double @f7(double *%src) {
; CHECK-LABEL: f7:
; CHECK: ldy %f0, -524288(%r2)
; CHECK: br %r14
%ptr = getelementptr double, double *%src, i64 -65536
%val = load double , double *%ptr
ret double %val
}
; Check the next doubleword down, which needs separate address logic.
; Other sequences besides this one would be OK.
define double @f8(double *%src) {
; CHECK-LABEL: f8:
; CHECK: agfi %r2, -524296
; CHECK: ld %f0, 0(%r2)
; CHECK: br %r14
%ptr = getelementptr double, double *%src, i64 -65537
%val = load double , double *%ptr
ret double %val
}
; Check that LD allows an index.
define double @f9(i64 %src, i64 %index) {
; CHECK-LABEL: f9:
; CHECK: ld %f0, 4095({{%r3,%r2|%r2,%r3}})
; CHECK: br %r14
%add1 = add i64 %src, %index
%add2 = add i64 %add1, 4095
%ptr = inttoptr i64 %add2 to double *
%val = load double , double *%ptr
ret double %val
}
; Check that LDY allows an index.
define double @f10(i64 %src, i64 %index) {
; CHECK-LABEL: f10:
; CHECK: ldy %f0, 4096({{%r3,%r2|%r2,%r3}})
; CHECK: br %r14
%add1 = add i64 %src, %index
%add2 = add i64 %add1, 4096
%ptr = inttoptr i64 %add2 to double *
%val = load double , double *%ptr
ret double %val
}
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