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fc164ce098
COMDAT can only be applied to definitions, not declarations. This manifested in builds of llbuild with SwiftPM on Windows. The nominal type descriptor accessor declaration was marked as COMDAT.
15 lines
659 B
Swift
15 lines
659 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -emit-ir %S/Inputs/comdat1.swift %S/Inputs/comdat2.swift -O -num-threads 1 -module-name comdat -o %t/comdat1.ll -o %t/comdat2.ll
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// RUN: %FileCheck -check-prefix CHECK-1 %s < %t/comdat1.ll
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// RUN: %FileCheck -check-prefix CHECK-2 %s < %t/comdat2.ll
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// REQUIRES: OS=windows-msvc
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// Ensure that the definition is marked as COMDAT
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// CHECK-1: "$s6comdat1C33_{{.*}}LLCMa" = comdat any
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// CHECK-1: "$s6comdat1C33_{{.*}}LLCMn" = comdat any
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// Ensure that no foward declaration is emitted
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// CHECK-2-NOT: "$s6comdat1C33_{{.*}}LLCMa" = comdat any
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// CHECK-2-NOT: "$s6comdat1C33_{{.*}}LLCMn" = comdat any
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