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[Coro] [async] Disable inlining in async coroutine splitting (#80904)
The call to the inlining utility does not update the call graph. Leading to assertion failures when calling the call graph utility to update the call graph. Instead rely on an inline pass to run after coro splitting and use alwaysinline annotations. github.com/swiftlang/swift/issues/68708
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158 changes: 158 additions & 0 deletions
158
llvm/test/Transforms/Coroutines/coro-async-mutal-recursive.ll
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,158 @@ | ||
| ; RUN: opt < %s -passes='default<O2>' -S | FileCheck --check-prefixes=CHECK %s | ||
| ; RUN: opt < %s -O0 -S | FileCheck --check-prefixes=CHECK-O0 %s | ||
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| ; CHECK-NOT: llvm.coro.suspend.async | ||
| ; CHECK-O0-NOT: llvm.coro.suspend.async | ||
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| ; This test used to crash during updating the call graph in coro splitting. | ||
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| target datalayout = "p:64:64:64" | ||
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| %swift.async_func_pointer = type <{ i32, i32 }> | ||
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| @"$s1d3fooyySbYaFTu" = hidden global %swift.async_func_pointer <{ i32 trunc (i64 sub (i64 ptrtoint (ptr @"$s1d3fooyySbYaF" to i64), i64 ptrtoint (ptr @"$s1d3fooyySbYaFTu" to i64)) to i32), i32 16 }> | ||
| @"$s1d3baryySbYaFTu" = hidden global %swift.async_func_pointer <{ i32 trunc (i64 sub (i64 ptrtoint (ptr @"$s1d3baryySbYaF" to i64), i64 ptrtoint (ptr @"$s1d3baryySbYaFTu" to i64)) to i32), i32 16 }> | ||
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| define swifttailcc void @"$s1d3fooyySbYaF"(ptr swiftasync %0, i1 %1) { | ||
| entry: | ||
| %2 = alloca ptr, align 8 | ||
| %c.debug = alloca i1, align 8 | ||
| %3 = call token @llvm.coro.id.async(i32 16, i32 16, i32 0, ptr @"$s1d3fooyySbYaFTu") | ||
| %4 = call ptr @llvm.coro.begin(token %3, ptr null) | ||
| store ptr %0, ptr %2, align 8 | ||
| call void @llvm.memset.p0.i64(ptr align 8 %c.debug, i8 0, i64 1, i1 false) | ||
| store i1 %1, ptr %c.debug, align 8 | ||
| call void asm sideeffect "", "r"(ptr %c.debug) | ||
| %5 = load i32, ptr getelementptr inbounds (%swift.async_func_pointer, ptr @"$s1d3baryySbYaFTu", i32 0, i32 1), align 8 | ||
| %6 = zext i32 %5 to i64 | ||
| %7 = call swiftcc ptr @swift_task_alloc(i64 %6) #4 | ||
| call void @llvm.lifetime.start.p0(i64 -1, ptr %7) | ||
| %8 = load ptr, ptr %2, align 8 | ||
| %9 = getelementptr inbounds <{ ptr, ptr }>, ptr %7, i32 0, i32 0 | ||
| store ptr %8, ptr %9, align 8 | ||
| %10 = call ptr @llvm.coro.async.resume() | ||
| %11 = getelementptr inbounds <{ ptr, ptr }>, ptr %7, i32 0, i32 1 | ||
| store ptr %10, ptr %11, align 8 | ||
| %12 = call { ptr } (i32, ptr, ptr, ...) @llvm.coro.suspend.async.sl_p0s(i32 0, ptr %10, ptr @__swift_async_resume_project_context, ptr @"$s1d3fooyySbYaF.0", ptr @"$s1d3baryySbYaF", ptr %7, i1 %1) | ||
| %13 = extractvalue { ptr } %12, 0 | ||
| %14 = call ptr @__swift_async_resume_project_context(ptr %13) | ||
| store ptr %14, ptr %2, align 8 | ||
| call swiftcc void @swift_task_dealloc(ptr %7) #4 | ||
| call void @llvm.lifetime.end.p0(i64 -1, ptr %7) | ||
| %15 = load ptr, ptr %2, align 8 | ||
| %16 = getelementptr inbounds <{ ptr, ptr }>, ptr %15, i32 0, i32 1 | ||
| %17 = load ptr, ptr %16, align 8 | ||
| %18 = load ptr, ptr %2, align 8 | ||
| %19 = call i1 (ptr, i1, ...) @llvm.coro.end.async(ptr %4, i1 false, ptr @"$s1d3fooyySbYaF.0.1", ptr %17, ptr %18) | ||
| unreachable | ||
| } | ||
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| declare token @llvm.coro.id.async(i32, i32, i32, ptr) #1 | ||
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| declare void @llvm.trap() #2 | ||
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| declare ptr @llvm.coro.begin(token, ptr) #1 | ||
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| declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1 immarg) #3 | ||
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| define hidden swifttailcc void @"$s1d3baryySbYaF"(ptr swiftasync %0, i1 %1) { | ||
| entry: | ||
| %2 = alloca ptr, align 8 | ||
| %c.debug = alloca i1, align 8 | ||
| %3 = call token @llvm.coro.id.async(i32 16, i32 16, i32 0, ptr @"$s1d3baryySbYaFTu") | ||
| %4 = call ptr @llvm.coro.begin(token %3, ptr null) | ||
| store ptr %0, ptr %2, align 8 | ||
| call void @llvm.memset.p0.i64(ptr align 8 %c.debug, i8 0, i64 1, i1 false) | ||
| store i1 %1, ptr %c.debug, align 8 | ||
| call void asm sideeffect "", "r"(ptr %c.debug) | ||
| br i1 %1, label %5, label %17 | ||
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| 5: ; preds = %entry | ||
| %6 = xor i1 %1, true | ||
| %7 = load i32, ptr getelementptr inbounds (%swift.async_func_pointer, ptr @"$s1d3fooyySbYaFTu", i32 0, i32 1), align 8 | ||
| %8 = zext i32 %7 to i64 | ||
| %9 = call swiftcc ptr @swift_task_alloc(i64 %8) #4 | ||
| call void @llvm.lifetime.start.p0(i64 -1, ptr %9) | ||
| %10 = load ptr, ptr %2, align 8 | ||
| %11 = getelementptr inbounds <{ ptr, ptr }>, ptr %9, i32 0, i32 0 | ||
| store ptr %10, ptr %11, align 8 | ||
| %12 = call ptr @llvm.coro.async.resume() | ||
| %13 = getelementptr inbounds <{ ptr, ptr }>, ptr %9, i32 0, i32 1 | ||
| store ptr %12, ptr %13, align 8 | ||
| %14 = call { ptr } (i32, ptr, ptr, ...) @llvm.coro.suspend.async.sl_p0s(i32 0, ptr %12, ptr @__swift_async_resume_project_context, ptr @"$s1d3baryySbYaF.0.2", ptr @"$s1d3fooyySbYaF", ptr %9, i1 %6) | ||
| %15 = extractvalue { ptr } %14, 0 | ||
| %16 = call ptr @__swift_async_resume_project_context(ptr %15) | ||
| store ptr %16, ptr %2, align 8 | ||
| call swiftcc void @swift_task_dealloc(ptr %9) #4 | ||
| call void @llvm.lifetime.end.p0(i64 -1, ptr %9) | ||
| br label %18 | ||
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| 17: ; preds = %entry | ||
| br label %18 | ||
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| 18: ; preds = %5, %17 | ||
| %19 = load ptr, ptr %2, align 8 | ||
| %20 = getelementptr inbounds <{ ptr, ptr }>, ptr %19, i32 0, i32 1 | ||
| %21 = load ptr, ptr %20, align 8 | ||
| %22 = load ptr, ptr %2, align 8 | ||
| %23 = call i1 (ptr, i1, ...) @llvm.coro.end.async(ptr %4, i1 false, ptr @"$s1d3baryySbYaF.0", ptr %21, ptr %22) | ||
| unreachable | ||
| } | ||
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| declare swiftcc ptr @swift_task_alloc(i64) #4 | ||
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| declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #5 | ||
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| declare ptr @llvm.coro.async.resume() #6 | ||
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| define linkonce_odr hidden ptr @__swift_async_resume_project_context(ptr %0) #7 { | ||
| entry: | ||
| %1 = load ptr, ptr %0, align 8 | ||
| %2 = call ptr @llvm.swift.async.context.addr() | ||
| store ptr %1, ptr %2, align 8 | ||
| ret ptr %1 | ||
| } | ||
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| declare ptr @llvm.swift.async.context.addr() #1 | ||
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| define internal swifttailcc void @"$s1d3fooyySbYaF.0"(ptr %0, ptr %1, i1 %2) #8 { | ||
| entry: | ||
| musttail call swifttailcc void %0(ptr swiftasync %1, i1 %2) | ||
| ret void | ||
| } | ||
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| declare { ptr } @llvm.coro.suspend.async.sl_p0s(i32, ptr, ptr, ...) #6 | ||
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| declare swiftcc void @swift_task_dealloc(ptr) #4 | ||
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| declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #5 | ||
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| define internal swifttailcc void @"$s1d3fooyySbYaF.0.1"(ptr %0, ptr %1) #8 { | ||
| entry: | ||
| musttail call swifttailcc void %0(ptr swiftasync %1) | ||
| ret void | ||
| } | ||
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| declare i1 @llvm.coro.end.async(ptr, i1, ...) #1 | ||
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| define internal swifttailcc void @"$s1d3baryySbYaF.0"(ptr %0, ptr %1) #8 { | ||
| entry: | ||
| musttail call swifttailcc void %0(ptr swiftasync %1) | ||
| ret void | ||
| } | ||
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| define internal swifttailcc void @"$s1d3baryySbYaF.0.2"(ptr %0, ptr %1, i1 %2) #8 { | ||
| entry: | ||
| musttail call swifttailcc void %0(ptr swiftasync %1, i1 %2) | ||
| ret void | ||
| } | ||
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| attributes #1 = { nounwind } | ||
| attributes #2 = { cold noreturn nounwind } | ||
| attributes #3 = { nocallback nofree nounwind willreturn} | ||
| attributes #4 = { nounwind } | ||
| attributes #5 = { nocallback nofree nosync nounwind willreturn } | ||
| attributes #6 = { nomerge nounwind } | ||
| attributes #7 = { alwaysinline nounwind } | ||
| attributes #8 = { alwaysinline nounwind } |
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