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Diffstat (limited to 'test/CodeGen/SystemZ/vec-args-07.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/vec-args-07.ll | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/vec-args-07.ll b/test/CodeGen/SystemZ/vec-args-07.ll new file mode 100644 index 000000000000..f0b5e6835cfe --- /dev/null +++ b/test/CodeGen/SystemZ/vec-args-07.ll @@ -0,0 +1,47 @@ +; 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 +} |