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Use linkonce_odr linkage for specific functions. (#5575)

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The same specific function will (eventually) be emitted as part of
lowering multiple different source files, so don't give them unique
external linkage.
This commit is contained in:
Richard Smith
2025-05-29 20:16:37 +00:00
committed by GitHub
parent aadd29b36c
commit 42c783defa
16 changed files with 115 additions and 113 deletions
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toolchain/lower/testdata/function/generic/call_basic_depth.carbon
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+3 -3
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@@ -54,19 +54,19 @@ fn M() {
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(i64 immarg, ptr captures(none)) #0
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CF.Main.b88d1103f417c6d4(i32 %x) !dbg !15 {
// CHECK:STDOUT: define linkonce_odr void @_CF.Main.b88d1103f417c6d4(i32 %x) !dbg !15 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !16
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_CG.Main.b88d1103f417c6d4(i32 %x) !dbg !17 {
// CHECK:STDOUT: define linkonce_odr i32 @_CG.Main.b88d1103f417c6d4(i32 %x) !dbg !17 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %H.call = call i32 @_CH.Main.b88d1103f417c6d4(i32 %x), !dbg !18
// CHECK:STDOUT: call void @_CF.Main.b88d1103f417c6d4(i32 %x), !dbg !19
// CHECK:STDOUT: ret i32 %x, !dbg !20
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_CH.Main.b88d1103f417c6d4(i32 %x) !dbg !21 {
// CHECK:STDOUT: define linkonce_odr i32 @_CH.Main.b88d1103f417c6d4(i32 %x) !dbg !21 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_CF.Main.b88d1103f417c6d4(i32 %x), !dbg !22
// CHECK:STDOUT: ret i32 %x, !dbg !23