| ; 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 | |
| } |