mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
8cb1175e49
This prevents the linker from trying to emit relative relocations to locally-defined public symbols into dynamic libraries, which gives ld.so heartache.
32 lines
1.3 KiB
Swift
32 lines
1.3 KiB
Swift
// RUN: rm -rf %t
|
|
// RUN: mkdir %t
|
|
// RUN: echo "public var x = Int64()" | %target-swift-frontend -module-name FooBar -emit-module -o %t -
|
|
// RUN: %target-swift-frontend %s -O -I %t -emit-ir -g -o %t.ll
|
|
// RUN: FileCheck %s < %t.ll
|
|
// RUN: FileCheck %s -check-prefix=TRANSPARENT-CHECK < %t.ll
|
|
|
|
// CHECK: define{{( protected)?( signext)?}} i32 @main
|
|
// CHECK: tail call { i64, i1 } @llvm.smul.with.overflow.i64(i64 %[[C:.*]], i64 %[[C]]), !dbg ![[MULSCOPE:.*]]
|
|
// CHECK-DAG: ![[TOPLEVEL:.*]] = !DIFile(filename: "inlinescopes.swift"
|
|
|
|
import FooBar
|
|
|
|
func markUsed<T>(t: T) {}
|
|
|
|
@inline(__always)
|
|
func square(x: Int64) -> Int64 {
|
|
// CHECK-DAG: ![[MULSCOPE]] = !DILocation(line: [[@LINE+2]], column: {{.*}}, scope: ![[MUL:.*]], inlinedAt: ![[INLINED:.*]])
|
|
// CHECK-DAG: ![[MUL:.*]] = distinct !DILexicalBlock(
|
|
let res = x * x
|
|
// *(Int, Int) is a transparent function and should not show up in the debug info.
|
|
// TRANSPARENT-CHECK-NOT: !DISubprogram(name: "_TFsoi1mFTSiSi_Si"
|
|
return res
|
|
}
|
|
let c = Int64(x)
|
|
// CHECK-DAG: !DIGlobalVariable(name: "y",{{.*}} file: ![[TOPLEVEL]],{{.*}} line: [[@LINE+1]]
|
|
let y = square(c)
|
|
markUsed(y)
|
|
|
|
// Check if the inlined and removed square function still has the correct linkage name in the debug info.
|
|
// CHECK-DAG: !DISubprogram(name: "square", linkageName: "_TF4main6squareFVs5Int64S0_"
|