forked from OSchip/llvm-project
47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
// RUN: %clang_cc1 -no-opaque-pointers -triple x86_64-pc-windows-msvc18.0.0 -fcoroutines-ts -emit-llvm %s -o - -disable-llvm-passes | FileCheck %s
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void *myAlloc(long long);
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// CHECK-LABEL: f(
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void f(int n) {
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// CHECK: %n.addr = alloca i32
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// CHECK: %promise = alloca i32
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int promise;
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// CHECK: %[[PROM_ADDR:.+]] = bitcast i32* %promise to i8*
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// CHECK-NEXT: %[[COROID:.+]] = call token @llvm.coro.id(i32 32, i8* %[[PROM_ADDR]], i8* null, i8* null)
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__builtin_coro_id(32, &promise, 0, 0);
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// CHECK-NEXT: call i1 @llvm.coro.alloc(token %[[COROID]])
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__builtin_coro_alloc();
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// CHECK-NEXT: call i8* @llvm.coro.noop()
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__builtin_coro_noop();
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// CHECK-NEXT: %[[SIZE:.+]] = call i64 @llvm.coro.size.i64()
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// CHECK-NEXT: %[[MEM:.+]] = call i8* @myAlloc(i64 noundef %[[SIZE]])
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// CHECK-NEXT: %[[FRAME:.+]] = call i8* @llvm.coro.begin(token %[[COROID]], i8* %[[MEM]])
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__builtin_coro_begin(myAlloc(__builtin_coro_size()));
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// CHECK-NEXT: call void @llvm.coro.resume(i8* %[[FRAME]])
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__builtin_coro_resume(__builtin_coro_frame());
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// CHECK-NEXT: call void @llvm.coro.destroy(i8* %[[FRAME]])
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__builtin_coro_destroy(__builtin_coro_frame());
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// CHECK-NEXT: call i1 @llvm.coro.done(i8* %[[FRAME]])
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__builtin_coro_done(__builtin_coro_frame());
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// CHECK-NEXT: call i8* @llvm.coro.promise(i8* %[[FRAME]], i32 48, i1 false)
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__builtin_coro_promise(__builtin_coro_frame(), 48, 0);
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// CHECK-NEXT: call i8* @llvm.coro.free(token %[[COROID]], i8* %[[FRAME]])
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__builtin_coro_free(__builtin_coro_frame());
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// CHECK-NEXT: call i1 @llvm.coro.end(i8* %[[FRAME]], i1 false)
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__builtin_coro_end(__builtin_coro_frame(), 0);
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// CHECK-NEXT: call i8 @llvm.coro.suspend(token none, i1 true)
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__builtin_coro_suspend(1);
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}
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