reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47

; Test calling functions with multiple return values (LLVM ABI extension)
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s

; Up to eight vector return values fit into VRs.
declare { <2 x double>, <2 x double>, <2 x double>, <2 x double>,
          <2 x double>, <2 x double>, <2 x double>, <2 x double> } @bar1()

define <2 x double> @f1() {
; CHECK-LABEL: f1:
; CHECK: brasl %r14, bar1
; CHECK: vlr %v24, %v31
; CHECK: br %r14
  %mret = call { <2 x double>, <2 x double>,
                 <2 x double>, <2 x double>,
                 <2 x double>, <2 x double>,
                 <2 x double>, <2 x double> } @bar1()
  %ret = extractvalue { <2 x double>, <2 x double>,
                        <2 x double>, <2 x double>,
                        <2 x double>, <2 x double>,
                        <2 x double>, <2 x double> } %mret, 7
  ret <2 x double> %ret
}

; More than eight vector return values use sret.
declare { <2 x double>, <2 x double>, <2 x double>, <2 x double>,
          <2 x double>, <2 x double>, <2 x double>, <2 x double>,
          <2 x double> } @bar2()

define <2 x double> @f2() {
; CHECK-LABEL: f2:
; CHECK: la %r2, 160(%r15)
; CHECK: brasl %r14, bar2
; CHECK: vl  %v24, 288(%r15)
; CHECK: br %r14
  %mret = call { <2 x double>, <2 x double>,
                 <2 x double>, <2 x double>,
                 <2 x double>, <2 x double>,
                 <2 x double>, <2 x double>,
                 <2 x double> } @bar2()
  %ret = extractvalue { <2 x double>, <2 x double>,
                        <2 x double>, <2 x double>,
                        <2 x double>, <2 x double>,
                        <2 x double>, <2 x double>,
                        <2 x double> } %mret, 8
  ret <2 x double> %ret
}