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48 lines
1.7 KiB
LLVM
48 lines
1.7 KiB
LLVM
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; Test calling functions with multiple return values (LLVM ABI extension)
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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; Up to eight vector return values fit into VRs.
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declare { <2 x double>, <2 x double>, <2 x double>, <2 x double>,
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<2 x double>, <2 x double>, <2 x double>, <2 x double> } @bar1()
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define <2 x double> @f1() {
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; CHECK-LABEL: f1:
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; CHECK: brasl %r14, bar1
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; CHECK: vlr %v24, %v31
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; CHECK: br %r14
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%mret = call { <2 x double>, <2 x double>,
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<2 x double>, <2 x double>,
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<2 x double>, <2 x double>,
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<2 x double>, <2 x double> } @bar1()
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%ret = extractvalue { <2 x double>, <2 x double>,
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<2 x double>, <2 x double>,
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<2 x double>, <2 x double>,
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<2 x double>, <2 x double> } %mret, 7
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ret <2 x double> %ret
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}
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; More than eight vector return values use sret.
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declare { <2 x double>, <2 x double>, <2 x double>, <2 x double>,
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<2 x double>, <2 x double>, <2 x double>, <2 x double>,
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<2 x double> } @bar2()
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define <2 x double> @f2() {
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; CHECK-LABEL: f2:
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; CHECK: la %r2, 160(%r15)
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; CHECK: brasl %r14, bar2
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; CHECK: vl %v24, 288(%r15)
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; CHECK: br %r14
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%mret = call { <2 x double>, <2 x double>,
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<2 x double>, <2 x double>,
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<2 x double>, <2 x double>,
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<2 x double>, <2 x double>,
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<2 x double> } @bar2()
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%ret = extractvalue { <2 x double>, <2 x double>,
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<2 x double>, <2 x double>,
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<2 x double>, <2 x double>,
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<2 x double>, <2 x double>,
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<2 x double> } %mret, 8
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ret <2 x double> %ret
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}
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