49 lines
1.8 KiB
LLVM
49 lines
1.8 KiB
LLVM
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; Verifies that the restart trigger that is used by legacy coroutine passes
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; forces the legacy pass manager to restart IPO pipelines, thereby causing the
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; same coroutine to be looked at by CoroSplit pass twice.
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; REQUIRES: asserts
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; RUN: opt < %s -S -O0 -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s
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; RUN: opt < %s -S -O1 -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s
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; The following tests use the new pass manager, and verify that the coroutine
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; passes re-run the CGSCC pipeline.
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; RUN: opt < %s -S -passes='default<O0>' -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s
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; RUN: opt < %s -S -passes='default<O1>' -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s
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; CHECK: CoroSplit: Processing coroutine 'f' state: 0
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; CHECK-NEXT: CoroSplit: Processing coroutine 'f' state: 1
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define void @f() {
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%id = call token @llvm.coro.id(i32 0, i8* null, i8* null, i8* null)
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%size = call i32 @llvm.coro.size.i32()
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%alloc = call i8* @malloc(i32 %size)
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%hdl = call i8* @llvm.coro.begin(token %id, i8* %alloc)
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call void @print(i32 0)
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%s1 = call i8 @llvm.coro.suspend(token none, i1 false)
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switch i8 %s1, label %suspend [i8 0, label %resume
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i8 1, label %cleanup]
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resume:
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call void @print(i32 1)
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br label %cleanup
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cleanup:
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%mem = call i8* @llvm.coro.free(token %id, i8* %hdl)
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call void @free(i8* %mem)
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br label %suspend
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suspend:
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call i1 @llvm.coro.end(i8* %hdl, i1 0)
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ret void
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}
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declare token @llvm.coro.id(i32, i8*, i8*, i8*)
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declare i8* @llvm.coro.begin(token, i8*)
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declare i8* @llvm.coro.free(token, i8*)
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declare i32 @llvm.coro.size.i32()
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declare i8 @llvm.coro.suspend(token, i1)
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declare void @llvm.coro.resume(i8*)
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declare void @llvm.coro.destroy(i8*)
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declare i1 @llvm.coro.end(i8*, i1)
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declare noalias i8* @malloc(i32)
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declare void @print(i32)
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declare void @free(i8*)
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